Reconstruct selected paths

Installer/Files/config.ini

@@ -1,3 +1,7 @@
 
 [plc]
 port = COM1
+
+[update]
+url = https://elwig.at/files/pamhagen-sysctrl/latest
+auto = true

PamhagenSysCtrl/App.xaml.cs

@@ -1,3 +1,4 @@
+using PamhagenSysCtrl.Dialogs;
 using PamhagenSysCtrl.Helpers;
 using System.IO;
 using System.Reflection;
@@ -10,6 +11,8 @@ namespace PamhagenSysCtrl {
         public static PamhagenPlant? Plant;
         public static Dispatcher? MainDispatcher;
 
+        private readonly DispatcherTimer AutoUpdateTimer = new() { Interval = TimeSpan.FromHours(1) };
+
         public static readonly string DataPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.CommonApplicationData), "Anlagensteuerung Pamhagen");
         public static readonly string ConfigPath = Path.Combine(DataPath, "config.ini");
         public static readonly string InstallPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ProgramFiles), "Anlagensteuerung Pamhagen");
@@ -45,6 +48,51 @@ namespace PamhagenSysCtrl {
             }
 
             base.OnStartup(evt);
+
+            if (Config.UpdateUrl != null && Config.UpdateAuto) {
+                AutoUpdateTimer.Tick += async (_, _) => {
+                    try {
+                        await CheckForUpdates();
+                    } catch { }
+                };
+                AutoUpdateTimer.Start();
+                await Dispatcher.BeginInvoke(async () => {
+                    await Task.Delay(1500);
+                    try {
+                        await CheckForUpdates();
+                    } catch { }
+                });
+            }
+        }
+
+        public static async Task CheckForUpdates(bool showResult = false) {
+            if (Config.UpdateUrl == null) return;
+
+            try {
+                var latest = await UpdateService.GetLatestInstallerUrl(Config.UpdateUrl);
+                if (latest.HasValue && new Version(latest.Value.Version) > Version) {
+                    var dialog = new UpdateDialog(latest.Value.Version, latest.Value.Url, latest.Value.Size) {
+                        Owner = Current.MainWindow,
+                    };
+                    if (dialog.ShowDialog() == true) {
+                        Current.Shutdown();
+                    }
+                } else if (showResult) {
+                    MessageBox.Show($"Die Anlagensteuerung ist auf dem aktuellen Stand.\n(Version {Version})", "Nach Updates suchen", MessageBoxButton.OK, MessageBoxImage.Information);
+                }
+            } catch (OperationCanceledException) {
+                if (showResult) {
+                    MessageBox.Show("Zeitüberschreitung beim Abrufen der Update-Informationen.", "Nach Updates suchen", MessageBoxButton.OK, MessageBoxImage.Error);
+                } else {
+                    throw;
+                }
+            } catch (Exception exc) {
+                if (showResult) {
+                    MessageBox.Show($"Die Update-Informationen konnten nicht abgerufen werden:\n\n{exc.Message}", "Nach Updates suchen", MessageBoxButton.OK, MessageBoxImage.Error);
+                } else {
+                    throw;
+                }
+            }
         }
 
         protected async void Application_Exit(object sender, ExitEventArgs evt) {

PamhagenSysCtrl/Dialogs/UpdateDialog.xaml

@@ -0,0 +1,37 @@
+<Window x:Class="PamhagenSysCtrl.Dialogs.UpdateDialog"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        ResizeMode="NoResize" ShowInTaskbar="False" Topmost="True"
+        WindowStartupLocation="CenterOwner"
+        Title="Update verfügbar - Anlagensteuerung Pamhagen"
+        Height="220" Width="480"
+        Closed="OnClosed">
+    <Grid Margin="20">
+        <Grid.RowDefinitions>
+            <RowDefinition Height="*"/>
+            <RowDefinition Height="Auto"/>
+            <RowDefinition Height="Auto"/>
+        </Grid.RowDefinitions>
+
+        <TextBlock x:Name="Description" FontSize="14" TextAlignment="Center"
+                   HorizontalAlignment="Center" VerticalAlignment="Center">
+            Version <Run x:Name="VersionText" FontWeight="Bold">0.0.0</Run> ist verfügbar.<LineBreak/>
+            Soll das Update heruntergeladen und installiert werden?<LineBreak/>
+            (ca. <Run x:Name="SizeText">0</Run> MB)<LineBreak/><LineBreak/>
+            <Run FontWeight="Bold">Hinweis:</Run> Die Anlagensteuerung wird für die Installation geschlossen.
+        </TextBlock>
+
+        <StackPanel x:Name="DownloadPanel" Grid.Row="0" VerticalAlignment="Center" Visibility="Collapsed">
+            <TextBlock x:Name="StatusText" Text="Update wird heruntergeladen..."
+                       FontSize="14" TextAlignment="Center" Margin="0,0,0,10"/>
+            <ProgressBar x:Name="DownloadProgress" Height="24" Minimum="0" Maximum="100"/>
+        </StackPanel>
+
+        <StackPanel Grid.Row="2" Orientation="Horizontal" HorizontalAlignment="Center" Margin="0,18,0,0">
+            <Button x:Name="InstallButton" Content="Installieren" IsDefault="True"
+                    Width="110" Height="30" Margin="0,0,12,0" Click="InstallButton_Click"/>
+            <Button x:Name="CancelButton" Content="Abbrechen" IsCancel="True"
+                    Width="110" Height="30"/>
+        </StackPanel>
+    </Grid>
+</Window>

PamhagenSysCtrl/Dialogs/UpdateDialog.xaml.cs

@@ -0,0 +1,45 @@
+using PamhagenSysCtrl.Helpers;
+using System.IO;
+using System.Windows;
+
+namespace PamhagenSysCtrl.Dialogs {
+    public partial class UpdateDialog : Window {
+
+        private readonly string Url;
+        private readonly CancellationTokenSource Cancellation = new();
+
+        public UpdateDialog(string version, string url, long size) {
+            Url = url;
+            InitializeComponent();
+            VersionText.Text = version;
+            SizeText.Text = Math.Ceiling(size / 1024d / 1024d).ToString("N0");
+        }
+
+        private void OnClosed(object? sender, EventArgs evt) {
+            Cancellation.Cancel();
+            Cancellation.Dispose();
+        }
+
+        private async void InstallButton_Click(object sender, RoutedEventArgs evt) {
+            Description.Visibility = Visibility.Collapsed;
+            DownloadPanel.Visibility = Visibility.Visible;
+            InstallButton.IsEnabled = false;
+
+            try {
+                var progress = new Progress<double>(value => DownloadProgress.Value = value * 100);
+                var filename = Path.Combine(App.TempPath, $"PamhagenSysCtrl-{VersionText.Text}.msi");
+                await UpdateService.DownloadInstaller(Url, filename, progress, Cancellation.Token);
+                StatusText.Text = "Installer wird gestartet...";
+                UpdateService.StartInstaller(filename);
+                DialogResult = true;
+            } catch (OperationCanceledException) {
+                // Closing the dialog cancels an active download.
+            } catch (Exception exc) {
+                MessageBox.Show($"Das Update konnte nicht installiert werden:\n\n{exc.Message}", "Update installieren", MessageBoxButton.OK, MessageBoxImage.Error);
+                Description.Visibility = Visibility.Visible;
+                DownloadPanel.Visibility = Visibility.Collapsed;
+                InstallButton.IsEnabled = true;
+            }
+        }
+    }
+}

PamhagenSysCtrl/Helpers/Config.cs

@@ -9,6 +9,8 @@ namespace PamhagenSysCtrl.Helpers {
         private readonly string FileName;
 
         public string PlcPort = "COM1";
+        public string? UpdateUrl;
+        public bool UpdateAuto;
 
         public Config(string filename) {
             FileName = filename;
@@ -19,6 +21,8 @@ namespace PamhagenSysCtrl.Helpers {
             try {
                 var config = new ConfigurationBuilder().AddIniFile(FileName).Build();
                 PlcPort = config["plc:port"] ?? "COM1";
+                UpdateUrl = config["update:url"];
+                UpdateAuto = TrueValues.Contains(config["update:auto"]?.ToLower());
             } catch (Exception exc) {
                 MessageBox.Show($"Die Konfigurationsdatei konnte nicht gelesen werden:\n\n{exc.Message}", "Konfigurationsdatei lesen", MessageBoxButton.OK, MessageBoxImage.Error);
                 Application.Current.Shutdown();

PamhagenSysCtrl/Helpers/PamhagenGraph.cs

@@ -18,78 +18,96 @@ namespace PamhagenSysCtrl.Helpers {
         public readonly Pump P6;
         public readonly EncasedAuger Auger1;
         public readonly EncasedAuger Auger3;
+        public readonly Press Press1;
+        public readonly Press Press2;
+        public readonly Tank Tank1;
+        public readonly Tank Tank2;
+        public readonly Tank Tank3;
+        public readonly Tank Tank4;
+        public readonly Tank Tank5;
+        public readonly Tank Tank6;
+        public readonly Tank Tank7;
+        public readonly Tank Tank8;
+        public readonly Tank Tank9;
 
         public PamhagenGraph() {
-            double mw2X = 180;
-            double mw1X = 300;
-            double mpY = 380;
-            double ltg1Y = 510;
-            double ltg2Y = ltg1Y + 30;
-            double ltg1X = 600;
-            double ltg2X = ltg1X + 30;
-            double ltg6Y = 160;
-            double ltg7Y = ltg6Y - 30;
-            double tanksY = 280;
-            double tValveY = ((tanksY - 50) + ltg6Y) / 2 + 5;
-            double wtX = ltg1X - 180;
-            double wt2Y = 225;
-            double wt1Y = wt2Y + 135;
-            double x1X = wtX + 40;
-            double t1X = 735;
-            double t2X = t1X + 80;
-            double t3X = t2X + 80;
-            double t4X = t3X + 80 + 30;
-            double t5X = t4X + 80;
-            double t6X = t5X + 80 + 30;
-            double t7X = t6X + 80;
-            double t8X = t7X + 80;
-            double t9X = t8X + 80;
-            var prY = 720;
-            var pr1X = 730;
-            var pr2X = 920;
+            double mw2X = -118;
+            double mw1X = -94;
+            double rebX = (mw1X + mw2X) / 2;
+            double rebY = -46;
+            double mpY = -10;
+            double tanksY = -30;
+            double ltg1Y = 16;
+            double ltg2Y = ltg1Y + 6;
+            double ltg1X = -34;
+            double ltg2X = ltg1X + 6;
+            double ltg3Y = 30;
+            double ltg4Y = ltg3Y + 6;
+            double ltg5Y = tanksY + 36;
+            double ltg6Y = -54;
+            double ltg7Y = ltg6Y - 6;
+            double ltg8Y = ltg3Y - 6;
+            double ltg9Y = ltg4Y + 6;
+            double tValveY = ((tanksY - 10) + ltg6Y) / 2 + 1;
+            double wtX = ltg1X - 36;
+            double wt2Y = -41;
+            double wt1Y = wt2Y + 27;
+            double x1X = wtX + 8;
+            double t1X = -7;
+            double t2X = t1X + 16;
+            double t3X = t2X + 16;
+            double t4X = t3X + 16 + 6;
+            double t5X = t4X + 16;
+            double t6X = t5X + 16 + 6;
+            double t7X = t6X + 16;
+            double t8X = t7X + 16;
+            double t9X = t8X + 16;
+            var prY = 58;
+            var pr1X = -15;
+            var pr2X = 23;
 
-            var trough = new EntryTrough("Auffangwanne", mw1X + 70, 100, () => App.Plant?.IsTroughAugerActive ?? false);
+            var trough = new EntryTrough("Auffangwanne", mw1X + 14, rebY - 20, () => App.Plant?.IsTroughAugerActive ?? false);
             Nodes.Add(trough);
 
-            Auger1 = new EncasedAuger("", (mw1X + mw2X) / 2 - 100, 200, () => App.Plant?.IsAuger1Active ?? false);
-            var auger0 = new EncasedAuger("Pressen-\nQuerschnecke", 40, 200, () => App.Plant?.IsPresseQuerSchneckeActive ?? false, 180, clickable: false);
-            Auger3 = new EncasedAuger("", 120, 80, () => App.Plant?.IsAuger3Active ?? false, 135);
-            var belt = new ConveyorBelt("", 90, 160, () => App.Plant?.IsAuger2Active ?? false);
+            Auger1 = new EncasedAuger("", rebX - 19, rebY, () => App.Plant?.IsAuger1Active ?? false);
+            var auger0 = new EncasedAuger("Pressen-\nQuerschnecke", rebX - 39, rebY, () => App.Plant?.IsPresseQuerSchneckeActive ?? false, 180, clickable: false);
+            Auger3 = new EncasedAuger("", rebX - 23, rebY - 24, () => App.Plant?.IsAuger3Active ?? false, 135);
+            var belt = new ConveyorBelt("", rebX - 29, rebY - 8, () => App.Plant?.IsAuger2Active ?? false);
             Nodes.Add(belt);
             Nodes.Add(Auger1);
             Nodes.Add(auger0);
             Nodes.Add(Auger3);
-            var rebler = new Rebler("Rebler", (mw1X + mw2X) / 2, 200, () => App.Plant?.IsReblerActive ?? false);
+            var rebler = new Rebler("Rebler", rebX, rebY, () => App.Plant?.IsReblerActive ?? false);
             Nodes.Add(rebler);
-            var switcher = new Switcher("", (mw1X + mw2X) / 2, 260, () => App.Plant?.TroughSelector ?? 0, () => App.Plant == null ? 0 : App.Plant.WantMW1Selected ? 1 : 2);
+            var switcher = new Switcher("", rebX, rebY + 12, () => App.Plant?.TroughSelector ?? 0, () => App.Plant == null ? 0 : App.Plant.WantMW1Selected ? 1 : 2);
             Nodes.Add(switcher);
 
-            MW1 = new Trough("MW1", mw1X, mpY - 70, () => App.Plant?.FillLevelMW1 ?? FillState.Unknown);
-            MW2 = new Trough("MW2", mw2X, mpY - 70, () => App.Plant?.FillLevelMW2 ?? FillState.Unknown);
+            MW1 = new Trough("MW1", mw1X, mpY - 14, () => App.Plant?.FillLevelMW1 ?? FillState.Unknown);
+            MW2 = new Trough("MW2", mw2X, mpY - 14, () => App.Plant?.FillLevelMW2 ?? FillState.Unknown);
             MP1 = new Pump("MP1", mw1X, mpY, () => App.Plant?.MP1 ?? default, () => App.Plant?.MP1HasClearance ?? false, (x) => SelectedPaths.Any(p => p.Hops.Any(h => h.Node == x)));
             MP2 = new Pump("MP2", mw2X, mpY, () => App.Plant?.MP2 ?? default, () => App.Plant?.MP2HasClearance ?? false, (x) => SelectedPaths.Any(p => p.Hops.Any(h => h.Node == x)));
-            var x1 = new PipeJoin(mw1X, mpY + 40);
-            var x2 = new PipeJoin(mw2X, mpY + 40);
+            var x1 = new PipeJoin(mw1X, mpY + 8);
+            var x2 = new PipeJoin(mw2X, mpY + 8);
 
             CreateOutlet(MW1, MP1);
             CreateOutlet(MW2, MP2);
             CreatePipe(MP1, x1);
             CreatePipe(MP2, x2);
 
-            var v1 = CreateValve(1, mw1X, mpY + 70);
-            var v2 = CreateValve(2, mw2X, mpY + 70);
-            var v3 = CreateValve(3, mw2X + 30, mpY + 70);
-            var v4 = CreateValve(4, mw1X - 30, mpY + 70);
+            var v1 = CreateValve(1, mw1X, mpY + 16);
+            var v2 = CreateValve(2, mw2X, mpY + 16);
+            var v3 = CreateValve(3, mw2X + 6, mpY + 16);
+            var v4 = CreateValve(4, mw1X - 6, mpY + 16);
 
             CreatePipe(x1, v1);
             CreatePipe(x1, v4);
             CreatePipe(x2, v2);
             CreatePipe(x2, v3);
 
-            var x3 = new PipeJoin(mw1X, mpY + 100);
+            var x3 = new PipeJoin(mw1X, ltg1Y);
             var x4 = new PipeJoin(x1X, ltg1Y);
-            var x5 = new PipeJoin(mw2X, mpY + 130);
-            var x6 = new PipeJoin(x1X - 30, ltg2Y);
+            var x5 = new PipeJoin(mw1X - 6, ltg2Y);
+            var x6 = new PipeJoin(x1X - 6, ltg2Y);
 
             CreatePipe(v1, x3, true);
             CreatePipe(v3, x3, true);
@@ -98,50 +116,50 @@ namespace PamhagenSysCtrl.Helpers {
             CreatePipe(v4, x5, true);
             CreatePipe(x5, x6, true);
 
-            var v5 = CreateValve(5, x1X + 30, ltg1Y);
-            var v6 = CreateValve(6, x1X + 30, ltg2Y + 40);
-            var v7 = CreateValve(7, x1X + 30, ltg2Y);
-            var v8 = CreateValve(8, x1X - 30, ltg2Y + 40);
-            var v9 = CreateValve(9, ltg2X, 500);
+            var v5 = CreateValve(5, x1X + 6, ltg1Y);
+            var v6 = CreateValve(6, x1X + 6, ltg2Y + 8);
+            var v7 = CreateValve(7, x1X + 6, ltg2Y);
+            var v8 = CreateValve(8, x1X - 6, ltg2Y + 8);
+            var v9 = CreateValve(9, ltg2X, ltg5Y + 8);
 
             CreatePipe(x4, v5);
             CreatePipe(x4, v6, true);
             CreatePipe(x6, v7);
             CreatePipe(x6, v8);
-            CreatePipe(v7, v9, label: "Ltg. 2", labelOffsetX: 30);
+            CreatePipe(v7, v9, label: "Ltg. 2", labelOffsetX: 6);
 
-            var xv15 = new PipeJoin(ltg1X, wt1Y + 40);
-            var xv11 = new PipeJoin(ltg2X, wt1Y + 70);
-            var x7 = new PipeJoin(ltg2X, 460);
+            var xv15 = new PipeJoin(ltg1X, wt1Y + 8);
+            var xv11 = new PipeJoin(ltg2X, wt1Y + 14);
+            var x7 = new PipeJoin(ltg2X, ltg5Y);
 
-            CreatePipe(v5, xv15, label: "Ltg. 1", labelOffsetX: 30);
+            CreatePipe(v5, xv15, label: "Ltg. 1", labelOffsetX: 6);
             CreatePipe(v9, x7);
             CreatePipe(x7, xv11);
 
-            var v10 = CreateValve(10, ltg2X + 40, 460);
-            var v11 = CreateValve(11, ltg1X - 30, wt1Y + 70);
+            var v10 = CreateValve(10, ltg2X + 8, ltg5Y);
+            var v11 = CreateValve(11, ltg1X - 6, wt1Y + 14);
             var v12 = CreateValve(12, ltg1X, wt1Y);
             var v13 = CreateValve(13, ltg2X, wt1Y);
-            var v14 = CreateValve(14, ltg1X - 30, wt1Y - 40);
-            var v15 = CreateValve(15, ltg1X - 30, wt1Y + 40);
-            var v16 = CreateValve(16, ltg1X - 30, wt1Y - 70);
+            var v14 = CreateValve(14, ltg1X - 6, wt1Y - 8);
+            var v15 = CreateValve(15, ltg1X - 6, wt1Y + 8);
+            var v16 = CreateValve(16, ltg1X - 6, wt1Y - 14);
             CreatePipe(v10, x7);
             CreatePipe(xv11, v11);
             CreatePipe(xv15, v15);
             CreatePipe(xv15, v12);
             CreatePipe(xv11, v13);
 
-            var xv16 = new PipeJoin(ltg1X, wt1Y - 70);
-            var xv14 = new PipeJoin(ltg2X, wt1Y - 40);
+            var xv16 = new PipeJoin(ltg1X, wt1Y - 14);
+            var xv14 = new PipeJoin(ltg2X, wt1Y - 8);
             CreatePipe(v12, xv16);
             CreatePipe(v13, xv14);
             CreatePipe(v16, xv16);
             CreatePipe(v14, xv14);
 
-            var v20 = CreateValve(20, ltg1X - 30, wt2Y - 70);
-            var v21 = CreateValve(21, ltg1X - 30, wt2Y - 40);
-            var xv20 = new PipeJoin(ltg1X, wt2Y - 70);
-            var xv21 = new PipeJoin(ltg2X, wt2Y - 40);
+            var v20 = CreateValve(20, ltg1X - 6, wt2Y - 14);
+            var v21 = CreateValve(21, ltg1X - 6, wt2Y - 8);
+            var xv20 = new PipeJoin(ltg1X, wt2Y - 14);
+            var xv21 = new PipeJoin(ltg2X, wt2Y - 8);
             CreatePipe(xv16, xv20);
             CreatePipe(xv14, xv21);
             CreatePipe(v20, xv20);
@@ -149,15 +167,15 @@ namespace PamhagenSysCtrl.Helpers {
 
             var wt1 = new HeatExchanger("WT Most", wtX, wt1Y);
             var wt2 = new HeatExchanger("WT Warmwasser", wtX, wt2Y);
-            var v17 = CreateValve(17, wtX + 70, wt1Y);
-            var v18 = CreateValve(18, wtX + 40, wt1Y + 40);
-            var v19 = CreateValve(19, wtX + 40, (wt1Y + wt2Y) / 2);
-            var xwt1 = new PipeJoin(wtX + 120, wt1Y + 40);
-            var xwt2 = new PipeJoin(wtX + 70, wt1Y + 40);
-            var xwt3 = new PipeJoin(wtX + 40, wt1Y - 40);
-            var xwt4 = new PipeJoin(wtX + 120, wt1Y - 40);
-            var xwt5 = new PipeJoin(wtX + 40, wt2Y + 40);
-            var xwt6 = new PipeJoin(wtX + 120, wt2Y - 40);
+            var v17 = CreateValve(17, wtX + 14, wt1Y);
+            var v18 = CreateValve(18, wtX + 8, wt1Y + 8);
+            var v19 = CreateValve(19, wtX + 8, (wt1Y + wt2Y) / 2);
+            var xwt1 = new PipeJoin(wtX + 24, wt1Y + 8);
+            var xwt2 = new PipeJoin(wtX + 14, wt1Y + 8);
+            var xwt3 = new PipeJoin(wtX + 8, wt1Y - 8);
+            var xwt4 = new PipeJoin(wtX + 24, wt1Y - 8);
+            var xwt5 = new PipeJoin(wtX + 8, wt2Y + 8);
+            var xwt6 = new PipeJoin(wtX + 24, wt2Y - 8);
             CreatePipe(v11, xwt1);
             CreatePipe(v15, xwt1);
             CreatePipe(xwt1, xwt2);
@@ -176,141 +194,141 @@ namespace PamhagenSysCtrl.Helpers {
             CreatePipe(v19, xwt5);
             CreatePipe(xwt5, wt2);
 
-            var xv22 = new PipeJoin(t1X - 15, ltg7Y);
-            var xv23 = new PipeJoin(t1X + 15, ltg6Y);
-            var v22 = CreateValve(22, t1X - 15, tValveY);
-            var v23 = CreateValve(23, t1X + 15, tValveY);
-            var t1 = CreateTank(1, t1X, tanksY, 35000);
-            CreatePipe(xv20, xv22, true, label: "Ltg. 7", labelOffsetX: 50);
-            CreatePipe(xv21, xv23, true, label: "Ltg. 6", labelOffsetX: 20);
+            var xv22 = new PipeJoin(t1X - 3, ltg7Y);
+            var xv23 = new PipeJoin(t1X + 3, ltg6Y);
+            var v22 = CreateValve(22, t1X - 3, tValveY);
+            var v23 = CreateValve(23, t1X + 3, tValveY);
+            Tank1 = CreateTank(1, t1X, tanksY, 35000);
+            CreatePipe(xv20, xv22, true, label: "Ltg. 7", labelOffsetX: 10);
+            CreatePipe(xv21, xv23, true, label: "Ltg. 6", labelOffsetX: 4);
             CreatePipe(xv22, v22);
             CreatePipe(xv23, v23);
-            CreateInlet(v22, t1);
-            CreateInlet(v23, t1);
+            CreateInlet(v22, Tank1);
+            CreateInlet(v23, Tank1);
 
-            var xv24 = new PipeJoin(t2X - 15, ltg7Y);
-            var xv25 = new PipeJoin(t2X + 15, ltg6Y);
-            var v24 = CreateValve(24, t2X - 15, tValveY);
-            var v25 = CreateValve(25, t2X + 15, tValveY);
-            var t2 = CreateTank(2, t2X, tanksY, 35000);
+            var xv24 = new PipeJoin(t2X - 3, ltg7Y);
+            var xv25 = new PipeJoin(t2X + 3, ltg6Y);
+            var v24 = CreateValve(24, t2X - 3, tValveY);
+            var v25 = CreateValve(25, t2X + 3, tValveY);
+            Tank2 = CreateTank(2, t2X, tanksY, 35000);
             CreatePipe(xv22, xv24);
             CreatePipe(xv23, xv25);
             CreatePipe(xv24, v24);
             CreatePipe(xv25, v25);
-            CreateInlet(v24, t2);
-            CreateInlet(v25, t2);
+            CreateInlet(v24, Tank2);
+            CreateInlet(v25, Tank2);
 
-            var xv26 = new PipeJoin(t3X - 15, ltg7Y);
-            var xv27 = new PipeJoin(t3X + 15, ltg6Y);
-            var v26 = CreateValve(26, t3X - 15, tValveY);
-            var v27 = CreateValve(27, t3X + 15, tValveY);
-            var t3 = CreateTank(3, t3X, tanksY, 35000);
+            var xv26 = new PipeJoin(t3X - 3, ltg7Y);
+            var xv27 = new PipeJoin(t3X + 3, ltg6Y);
+            var v26 = CreateValve(26, t3X - 3, tValveY);
+            var v27 = CreateValve(27, t3X + 3, tValveY);
+            Tank3 = CreateTank(3, t3X, tanksY, 35000);
             CreatePipe(xv24, xv26);
             CreatePipe(xv25, xv27);
             CreatePipe(xv26, v26);
             CreatePipe(xv27, v27);
-            CreateInlet(v26, t3);
-            CreateInlet(v27, t3);
+            CreateInlet(v26, Tank3);
+            CreateInlet(v27, Tank3);
 
             var v28 = CreateValve(28, (t3X + t4X) / 2, ltg7Y);
             var v29 = CreateValve(29, (t3X + t4X) / 2, ltg6Y);
             CreatePipe(xv26, v28);
             CreatePipe(xv27, v29);
 
-            var xv30 = new PipeJoin(t4X - 15, ltg7Y);
-            var xv31 = new PipeJoin(t4X + 15, ltg6Y);
-            var v30 = CreateValve(30, t4X - 15, tValveY);
-            var v31 = CreateValve(31, t4X + 15, tValveY);
-            var t4 = CreateTank(4, t4X, tanksY, 35000);
+            var xv30 = new PipeJoin(t4X - 3, ltg7Y);
+            var xv31 = new PipeJoin(t4X + 3, ltg6Y);
+            var v30 = CreateValve(30, t4X - 3, tValveY);
+            var v31 = CreateValve(31, t4X + 3, tValveY);
+            Tank4 = CreateTank(4, t4X, tanksY, 35000);
             CreatePipe(v28, xv30);
             CreatePipe(v29, xv31);
             CreatePipe(xv30, v30);
             CreatePipe(xv31, v31);
-            CreateInlet(v30, t4);
-            CreateInlet(v31, t4);
+            CreateInlet(v30, Tank4);
+            CreateInlet(v31, Tank4);
 
-            var xv32 = new PipeJoin(t5X - 15, ltg7Y);
-            var xv33 = new PipeJoin(t5X + 15, ltg6Y);
-            var v32 = CreateValve(32, t5X - 15, tValveY);
-            var v33 = CreateValve(33, t5X + 15, tValveY);
-            var t5 = CreateTank(5, t5X, tanksY, 35000);
-            CreatePipe(xv30, xv32, label: "Ltg. 7", labelOffsetX: 30);
+            var xv32 = new PipeJoin(t5X - 3, ltg7Y);
+            var xv33 = new PipeJoin(t5X + 3, ltg6Y);
+            var v32 = CreateValve(32, t5X - 3, tValveY);
+            var v33 = CreateValve(33, t5X + 3, tValveY);
+            Tank5 = CreateTank(5, t5X, tanksY, 35000);
+            CreatePipe(xv30, xv32, label: "Ltg. 7", labelOffsetX: 6);
             CreatePipe(xv31, xv33, label: "Ltg. 6", labelOffsetX: 0);
             CreatePipe(xv32, v32);
             CreatePipe(xv33, v33);
-            CreateInlet(v32, t5);
-            CreateInlet(v33, t5);
+            CreateInlet(v32, Tank5);
+            CreateInlet(v33, Tank5);
 
             var v34 = CreateValve(34, (t5X + t6X) / 2, ltg7Y);
             var v35 = CreateValve(35, (t5X + t6X) / 2, ltg6Y);
             CreatePipe(xv32, v34);
             CreatePipe(xv33, v35);
 
-            var xv36 = new PipeJoin(t6X + 15, ltg6Y);
-            var xv37 = new PipeJoin(t6X - 15, ltg7Y);
-            var v36 = CreateValve(36, t6X + 15, tValveY);
-            var v37 = CreateValve(37, t6X - 15, tValveY);
-            var t6 = CreateTank(6, t6X, tanksY, 35000);
+            var xv36 = new PipeJoin(t6X + 3, ltg6Y);
+            var xv37 = new PipeJoin(t6X - 3, ltg7Y);
+            var v36 = CreateValve(36, t6X + 3, tValveY);
+            var v37 = CreateValve(37, t6X - 3, tValveY);
+            Tank6 = CreateTank(6, t6X, tanksY, 35000);
             CreatePipe(v34, xv37);
             CreatePipe(v35, xv36);
             CreatePipe(xv37, v37);
             CreatePipe(xv36, v36);
-            CreateInlet(v36, t6);
-            CreateInlet(v37, t6);
+            CreateInlet(v36, Tank6);
+            CreateInlet(v37, Tank6);
 
-            var xv38 = new PipeJoin(t7X + 15, ltg6Y);
-            var xv39 = new PipeJoin(t7X - 15, ltg7Y);
-            var v38 = CreateValve(38, t7X + 15, tValveY);
-            var v39 = CreateValve(39, t7X - 15, tValveY);
-            var t7 = CreateTank(7, t7X, tanksY, 35000);
+            var xv38 = new PipeJoin(t7X + 3, ltg6Y);
+            var xv39 = new PipeJoin(t7X - 3, ltg7Y);
+            var v38 = CreateValve(38, t7X + 3, tValveY);
+            var v39 = CreateValve(39, t7X - 3, tValveY);
+            Tank7 = CreateTank(7, t7X, tanksY, 35000);
             CreatePipe(xv37, xv39);
             CreatePipe(xv36, xv38);
             CreatePipe(xv38, v38);
             CreatePipe(xv39, v39);
-            CreateInlet(v38, t7);
-            CreateInlet(v39, t7);
+            CreateInlet(v38, Tank7);
+            CreateInlet(v39, Tank7);
 
-            var xv40 = new PipeJoin(t8X + 15, ltg6Y);
-            var xv41 = new PipeJoin(t8X - 15, ltg7Y);
-            var v40 = CreateValve(40, t8X + 15, tValveY);
-            var v41 = CreateValve(41, t8X - 15, tValveY);
-            var t8 = CreateTank(8, t8X, tanksY, 35000);
+            var xv40 = new PipeJoin(t8X + 3, ltg6Y);
+            var xv41 = new PipeJoin(t8X - 3, ltg7Y);
+            var v40 = CreateValve(40, t8X + 3, tValveY);
+            var v41 = CreateValve(41, t8X - 3, tValveY);
+            Tank8 = CreateTank(8, t8X, tanksY, 35000);
             CreatePipe(xv38, xv40, label: "Ltg. 6", labelOffsetX: 0);
-            CreatePipe(xv39, xv41, label: "Ltg. 7", labelOffsetX: 30);
+            CreatePipe(xv39, xv41, label: "Ltg. 7", labelOffsetX: 6);
             CreatePipe(xv40, v40);
             CreatePipe(xv41, v41);
-            CreateInlet(v40, t8);
-            CreateInlet(v41, t8);
+            CreateInlet(v40, Tank8);
+            CreateInlet(v41, Tank8);
 
-            var v42 = CreateValve(42, t9X + 15, tValveY);
-            var v43 = CreateValve(43, t9X - 15, tValveY);
-            var t9 = CreateTank(9, t9X, tanksY, 35000);
+            var v42 = CreateValve(42, t9X + 3, tValveY);
+            var v43 = CreateValve(43, t9X - 3, tValveY);
+            Tank9 = CreateTank(9, t9X, tanksY, 35000);
             CreatePipe(xv40, v42);
             CreatePipe(xv41, v43);
-            CreateInlet(v42, t9);
-            CreateInlet(v43, t9);
+            CreateInlet(v42, Tank9);
+            CreateInlet(v43, Tank9);
 
-            var xp12 = new PipeJoin((t1X + t2X) / 2, tanksY + 80);
-            P12 = new Pump("P1/2", (t1X + t2X) / 2, tanksY + 110, () => App.Plant?.P12 ?? default, () => App.Plant?.P12HasClearance ?? false, (x) => SelectedPaths.Any(p => p.Hops.Any(h => h.Node == x)));
-            CreateOutlet(t1, xp12);
-            CreateOutlet(t2, xp12);
+            var xp12 = new PipeJoin((t1X + t2X) / 2, tanksY + 16);
+            P12 = new Pump("P1/2", (t1X + t2X) / 2, tanksY + 22, () => App.Plant?.P12 ?? default, () => App.Plant?.P12HasClearance ?? false, (x) => SelectedPaths.Any(p => p.Hops.Any(h => h.Node == x)));
+            CreateOutlet(Tank1, xp12);
+            CreateOutlet(Tank2, xp12);
             CreatePipe(xp12, P12);
 
-            P3 = new Pump("P3", t3X, tanksY + 110, () => App.Plant?.P3 ?? default, () => App.Plant?.P3HasClearance ?? false, (x) => SelectedPaths.Any(p => p.Hops.Any(h => h.Node == x)));
-            P4 = new Pump("P4", t4X, tanksY + 110, () => App.Plant?.P4 ?? default, () => App.Plant?.P4HasClearance ?? false, (x) => SelectedPaths.Any(p => p.Hops.Any(h => h.Node == x)));
-            P5 = new Pump("P5", t5X, tanksY + 110, () => App.Plant?.P5 ?? default, () => App.Plant?.P5HasClearance ?? false, (x) => SelectedPaths.Any(p => p.Hops.Any(h => h.Node == x)));
-            CreateOutlet(t3, P3);
-            CreateOutlet(t4, P4);
-            CreateOutlet(t5, P5);
+            P3 = new Pump("P3", t3X, tanksY + 22, () => App.Plant?.P3 ?? default, () => App.Plant?.P3HasClearance ?? false, (x) => SelectedPaths.Any(p => p.Hops.Any(h => h.Node == x)));
+            P4 = new Pump("P4", t4X, tanksY + 22, () => App.Plant?.P4 ?? default, () => App.Plant?.P4HasClearance ?? false, (x) => SelectedPaths.Any(p => p.Hops.Any(h => h.Node == x)));
+            P5 = new Pump("P5", t5X, tanksY + 22, () => App.Plant?.P5 ?? default, () => App.Plant?.P5HasClearance ?? false, (x) => SelectedPaths.Any(p => p.Hops.Any(h => h.Node == x)));
+            CreateOutlet(Tank3, P3);
+            CreateOutlet(Tank4, P4);
+            CreateOutlet(Tank5, P5);
 
-            var v44 = CreateValve(44, (t1X + t2X) / 2, tanksY + 150);
-            var v45 = CreateValve(45, t3X, tanksY + 150);
-            var v46 = CreateValve(46, (t3X + t4X) / 2, tanksY + 180);
-            var v47 = CreateValve(47, t4X, tanksY + 150);
-            var v48 = CreateValve(48, t5X, tanksY + 150);
-            var xv44 = new PipeJoin((t1X + t2X) / 2, tanksY + 180);
-            var xv45 = new PipeJoin(t3X, tanksY + 180);
-            var xv47 = new PipeJoin(t4X, tanksY + 180);
+            var v44 = CreateValve(44, (t1X + t2X) / 2, tanksY + 30);
+            var v45 = CreateValve(45, t3X, tanksY + 30);
+            var v46 = CreateValve(46, (t3X + t4X) / 2, ltg5Y);
+            var v47 = CreateValve(47, t4X, tanksY + 30);
+            var v48 = CreateValve(48, t5X, tanksY + 30);
+            var xv44 = new PipeJoin((t1X + t2X) / 2, tanksY + 36);
+            var xv45 = new PipeJoin(t3X, tanksY + 36);
+            var xv47 = new PipeJoin(t4X, tanksY + 36);
             CreatePipe(P12, v44);
             CreatePipe(P3, v45);
             CreatePipe(P4, v47);
@@ -325,45 +343,45 @@ namespace PamhagenSysCtrl.Helpers {
             CreateTwoWayPipe(v46, xv45);
             CreateTwoWayPipe(xv45, xv44);
 
-            var xt6 = new PipeJoin(t6X, tanksY + 110);
-            var xt7 = new PipeJoin(t7X, tanksY + 110);
-            var xt8 = new PipeJoin(t8X, tanksY + 110);
-            P6 = new Pump("P6", t6X, tanksY + 150, () => App.Plant?.P6 ?? default, () => App.Plant?.P6HasClearance ?? false, (x) => SelectedPaths.Any(p => p.Hops.Any(h => h.Node == x)));
-            CreateOutlet(t6, xt6);
-            CreateOutlet(t7, xt7);
-            CreateOutlet(t8, xt8);
-            CreateOutlet(t9, xt8);
+            var xt6 = new PipeJoin(t6X, tanksY + 22);
+            var xt7 = new PipeJoin(t7X, tanksY + 22);
+            var xt8 = new PipeJoin(t8X, tanksY + 22);
+            P6 = new Pump("P6", t6X, tanksY + 30, () => App.Plant?.P6 ?? default, () => App.Plant?.P6HasClearance ?? false, (x) => SelectedPaths.Any(p => p.Hops.Any(h => h.Node == x)));
+            CreateOutlet(Tank6, xt6);
+            CreateOutlet(Tank7, xt7);
+            CreateOutlet(Tank8, xt8);
+            CreateOutlet(Tank9, xt8);
             CreatePipe(xt8, xt7);
             CreatePipe(xt7, xt6);
             CreatePipe(xt6, P6);
 
-            var v49 = CreateValve(49, t4X, tanksY + 220);
+            var v49 = CreateValve(49, t4X, tanksY + 44);
             CreatePipe(xv47, v49);
 
             var prX = (pr1X + pr2X) / 2;
-            var pr1cX = prX - 15;
-            var pr2cX = prX + 15;
-            var press1 = new Press("Presse 1", pr1X, prY, 20000, () => FillState.Unknown);
-            var press2 = new Press("Presse 2", pr2X, prY, 15000, () => FillState.Unknown);
-            var v50 = CreateValve(50, pr2cX + 30, 580);
-            var v51 = CreateValve(51, pr1cX - 30, 580);
-            var v52 = CreateValve(52, pr1cX - 30, 610);
-            var v53 = CreateValve(53, pr2cX + 30, 610);
-            var v54 = CreateValve(54, pr2cX + 30, 550);
-            var v55 = CreateValve(55, pr1cX - 30, 550);
-            var v56 = CreateValve(56, pr1cX - 30, 640);
-            var v57 = CreateValve(57, pr2cX + 30, 640);
-            var xp1 = new PipeJoin(pr1cX - 70, 580);
-            var xp2 = new PipeJoin(pr1cX - 70, 610);
-            var xp3 = new PipeJoin(pr2cX + 70, 550);
-            var xp4 = new PipeJoin(pr2cX + 70, 640);
-            var xp5 = new PipeJoin(pr1cX, 580);
-            var xp6 = new PipeJoin(pr1cX, 610);
-            var xp7 = new PipeJoin(pr2cX, 550);
-            var xp8 = new PipeJoin(pr2cX, 640);
+            var pr1cX = prX - 3;
+            var pr2cX = prX + 3;
+            Press1 = new Press("Presse 1", pr1X, prY, 20000, () => FillState.Unknown);
+            Press2 = new Press("Presse 2", pr2X, prY, 15000, () => FillState.Unknown);
+            var v50 = CreateValve(50, pr2cX + 6, ltg3Y);
+            var v51 = CreateValve(51, pr1cX - 6, ltg3Y);
+            var v52 = CreateValve(52, pr1cX - 6, ltg4Y);
+            var v53 = CreateValve(53, pr2cX + 6, ltg4Y);
+            var v54 = CreateValve(54, pr2cX + 6, ltg8Y);
+            var v55 = CreateValve(55, pr1cX - 6, ltg8Y);
+            var v56 = CreateValve(56, pr1cX - 6, ltg9Y);
+            var v57 = CreateValve(57, pr2cX + 6, ltg9Y);
+            var xp1 = new PipeJoin(pr1cX - 14, ltg3Y);
+            var xp2 = new PipeJoin(pr1cX - 14, ltg4Y);
+            var xp3 = new PipeJoin(pr2cX + 14, ltg8Y);
+            var xp4 = new PipeJoin(pr2cX + 14, ltg9Y);
+            var xp5 = new PipeJoin(pr1cX, ltg3Y);
+            var xp6 = new PipeJoin(pr1cX, ltg4Y);
+            var xp7 = new PipeJoin(pr2cX, ltg8Y);
+            var xp8 = new PipeJoin(pr2cX, ltg9Y);
 
-            CreatePipe(v6, xp1, true, label: "Ltg. 3", labelOffsetX: 30);
-            CreatePipe(v8, xp2, true, label: "Ltg. 4", labelOffsetX: 90);
+            CreatePipe(v6, xp1, true, label: "Ltg. 3", labelOffsetX: 6);
+            CreatePipe(v8, xp2, true, label: "Ltg. 4", labelOffsetX: 18);
             CreatePipe(v49, xp3, true, label: "Ltg. 8");
             CreatePipe(P6, xp4, true, label: "Ltg. 9");
             CreatePipe(xp1, v51, true);
@@ -386,12 +404,12 @@ namespace PamhagenSysCtrl.Helpers {
             CreatePipe(xp5, xp6);
             CreatePipe(xp7, xp8);
 
-            var zv1 = new CenterValve("ZV1", pr1cX, prY - 40, () => App.Plant?.Press1HasClearance ?? false);
-            var zv2 = new CenterValve("ZV2", pr2cX, prY - 40, () => App.Plant?.Press2HasClearance ?? false);
+            var zv1 = new CenterValve("ZV1", pr1cX, prY - 8, () => App.Plant?.Press1HasClearance ?? false);
+            var zv2 = new CenterValve("ZV2", pr2cX, prY - 8, () => App.Plant?.Press2HasClearance ?? false);
             CreatePipe(xp6, zv1, true);
             CreatePipe(xp8, zv2, true);
-            CreateInlet(zv1, press1, true);
-            CreateInlet(zv2, press2, true);
+            CreateInlet(zv1, Press1, true);
+            CreateInlet(zv2, Press2, true);
         }
 
         protected Valve CreateValve(int n, double x, double y) {
@@ -402,6 +420,23 @@ namespace PamhagenSysCtrl.Helpers {
             return new($"Tank {n}", x, y, capacity, () => App.Plant?.TankFillLevels[n - 1] ?? FillState.Unknown);
         }
 
+        private int PathCost(Path p) {
+            return
+                1000 * p.Hops.Count(h => h.Node is Valve) +
+                (p.Hops.Any(h => h.Node is Valve v && v.Nr == 15) && !p.Hops.Any(h => h.Node is Valve v && (v.Nr == 16 || v.Nr == 20)) ? 10 : 0) +
+                (p.Hops.Any(h => h.Node is Valve v && v.Nr == 11) && !p.Hops.Any(h => h.Node is Valve v && (v.Nr == 14 || v.Nr == 21)) ? 10 : 0) +
+                (p.Hops.Any(h => h.Node is Valve v && v.Nr == 6) ? 10 : 0) +
+                p.Bends;
+        }
+
+        public Path? GetFreePath(IEnumerable<INode> points, bool overrideStart = false) {
+            if (overrideStart) {
+                return GetPath(points, (n) => n is not ISink && (n is not Valve v || !v.LockedForPaths.Any(p => p.Start != points.First())), PathCost);
+            } else {
+                return GetPath(points, (n) => n is not ISink && (n is not Valve v || !v.IsLocked), PathCost);
+            }
+        }
+
         public void TraverseSubgraph(INode start, Func<INode, bool> invalid, HashSet<IEdge>? _visited = null, Action<INode, bool, IEdge>? edgeAction = null, Action<Valve>? valveAction = null, bool reverse = false) {
             var visited = _visited ?? [];
             if (start is Valve v) {
@@ -455,7 +490,11 @@ namespace PamhagenSysCtrl.Helpers {
         private void UpdateValvesAdjacientToPath(Path path, bool locked, bool? wantOpen = null) {
             foreach (var (edge, node) in path.Hops) {
                 TraverseSubgraph(node, (n) => n is Valve || n is ISink || n is Pump, valveAction: (v) => {
-                    v.IsLocked = locked;
+                    if (locked) {
+                        v.LockedForPaths.Add(path);
+                    } else {
+                        v.LockedForPaths.Remove(path);
+                    }
                     if (wantOpen.HasValue) {
                         if (wantOpen.Value) {
                             App.Plant?.OpenV(v.Nr);

PamhagenSysCtrl/Helpers/PamhagenPlant.cs

@@ -30,7 +30,7 @@ namespace PamhagenSysCtrl.Helpers {
         public bool AreValvesClosed(params int[] ns) => ns.All(IsValveClosed) && ns.All(WantValveClosed);
 
         public int TroughSelector => Sensors.TroughSelector;
-        public bool IsMWSelected => Sensors.TroughSelector == 1;
+        public bool IsMW1Selected => Sensors.TroughSelector == 1;
         public bool IsMW2Selected => Sensors.TroughSelector == 2;
         public FillState FillLevelMW1 => Sensors.FillingLevelMW1;
         public FillState FillLevelMW2 => Sensors.FillingLevelMW2;
@@ -54,6 +54,7 @@ namespace PamhagenSysCtrl.Helpers {
         public bool WantMW2Selected => !Actuators.GetV(58);
 
         public bool IsTroughAugerActive => Actuators.TroughAuger;
+        public bool TroughAugerHasClearance => IsReblerActive && !(IsMW1Selected && FillLevelMW1 == FillState.Full) && !(IsMW2Selected && FillLevelMW2 == FillState.Full);
         public bool IsReblerActive => Actuators.Rebler;
         public bool IsStirrerMW1Active => Actuators.StirrerMW1;
         public bool IsStirrerMW2Active => Actuators.StirrerMW2;
@@ -88,7 +89,7 @@ namespace PamhagenSysCtrl.Helpers {
                 if (p.IsReblerActive && !p.IsAuger1Active) p.StartAuger1();
                 if (p.IsAuger1Active && !p.IsAuger2Active) p.StartAuger2();
                 if (p.IsAuger2Active && !p.IsAuger3Active) p.StartAuger3();
-                if (p.IsTroughAugerActive && (!p.IsReblerActive || (p.IsMWSelected && p.FillLevelMW1 == FillState.Full) || (p.IsMW2Selected && p.FillLevelMW2 == FillState.Full)))
+                if (p.IsTroughAugerActive && !p.TroughAugerHasClearance)
                     p.StopTroughAuger();
             }
 
@@ -410,7 +411,7 @@ namespace PamhagenSysCtrl.Helpers {
         }
 
         public void StartTroughAuger() {
-            if (!ManualControlMode && (!IsReblerActive || (IsMWSelected && FillLevelMW1 == FillState.Full) || (IsMW2Selected && FillLevelMW2 == FillState.Full)))
+            if (!ManualControlMode && !TroughAugerHasClearance)
                 throw new NoClearanceException("Schnecke Auffangwanne hat keine Freigabe");
             Actuators.TroughAuger = true;
             ActuatorsChanged = true;

PamhagenSysCtrl/Helpers/PamhagenPlc.cs

@@ -43,31 +43,28 @@ namespace PamhagenSysCtrl.Helpers {
             GC.SuppressFinalize(this);
         }
 
-        protected static FillState Int3ToFillState(int n) {
-            return n switch {
-                7 => FillState.Full,
-                6 => FillState.Half,
-                4 => FillState.Filled,
-                0 => FillState.Empty,
-                _ => FillState.Invalid,
-            };
+        protected static FillState Int3ToFillState(int n, bool bigEndian = true) {
+            return
+                (bigEndian && (n & 0x4) != 0) || (!bigEndian  && (n & 0x1) != 0) ? FillState.Full :
+                (bigEndian && (n & 0x2) != 0) || (!bigEndian  && (n & 0x2) != 0) ? FillState.Half :
+                (bigEndian && (n & 0x1) != 0) || (!bigEndian  && (n & 0x4) != 0) ? FillState.Filled :
+                n == 0 ? FillState.Empty :
+                FillState.Invalid;
         }
 
-        protected static FillState Int2ToFillState(int n) {
-            return n switch {
-                2 => FillState.Full,
-                0 => FillState.Filled,
-                1 => FillState.Empty,
-                _ => FillState.Invalid,
-            };
+        protected static FillState Int2ToFillState(int n, bool bigEndian = true) {
+            return
+                (bigEndian && (n & 0x2) != 0) || (!bigEndian  && (n & 0x1) != 0) ? FillState.Full :
+                (bigEndian && (n & 0x1) != 0) || (!bigEndian  && (n & 0x2) != 0) ? FillState.Filled :
+                n == 0 ? FillState.Empty :
+                FillState.Invalid;
         }
 
         protected static FillState Int1ToFillState(int n) {
-            return n switch {
-                1 => FillState.Full,
-                0 => FillState.Unknown,
-                _ => FillState.Invalid,
-            };
+            return
+                n == 1 ? FillState.Full :
+                n == 0 ? FillState.Unknown :
+                FillState.Invalid;
         }
 
         protected static MotorState Int2ToPumpState(int n, bool inverse) {
@@ -110,8 +107,8 @@ namespace PamhagenSysCtrl.Helpers {
             long pressure = (long)r1 | ((long)r2 << 16) | ((long)r3 << 32) | ((long)r4 << 48);
             pressure = (pressure & 0x01FFFFFFFFFFFFFF) | ((pressure & 0x0600000000000000) << 1);
 
-            var mw1 = Int3ToFillState((f1      ) & 0x7);  // 111 011 001 000
-            var mw2 = Int3ToFillState((f1 >>  3) & 0x7);  // 111 011 001 000
+            var mw1 = Int3ToFillState((f1      ) & 0x7, false);  // 111 011 001 000
+            var mw2 = Int3ToFillState((f1 >>  3) & 0x7, false);  // 111 011 001 000
             var p1  =                ((f1 >>  6) & 0x1) == 0;  // 1 0
             var p2  =                ((f1 >>  7) & 0x1) == 0;  // 1 0
             var wp  =                ((f1 >>  8) & 0x3);  // 10 01
@@ -129,11 +126,11 @@ namespace PamhagenSysCtrl.Helpers {
             //  -> factor: 0,03125 + (offset) 25 Oe
             double oe = v * 0.03125 + 25;
 
-            var t1 = Int2ToFillState((f2      ) & 0x3);  // 10 01 00
-            var t2 = Int2ToFillState((f2 >>  2) & 0x3);  // 10 01 00
-            var t3 = Int2ToFillState((f2 >>  4) & 0x3);  // 10 01 00
-            var t4 = Int2ToFillState((f2 >>  6) & 0x3);  // 10 01 00
-            var t5 = Int2ToFillState((f2 >>  8) & 0x3);  // 10 01 00
+            var t1 = Int1ToFillState(((f2      ) & 0x3) >> 1);  // 1X 0X
+            var t2 = Int1ToFillState(((f2 >>  2) & 0x3) >> 1);  // 1X 0X
+            var t3 = Int1ToFillState(((f2 >>  4) & 0x3) >> 1);  // 1X 0X
+            var t4 = Int1ToFillState(((f2 >>  6) & 0x3) >> 1);  // 1X 0X
+            var t5 = Int1ToFillState(((f2 >>  8) & 0x3) >> 1);  // 1X 0X
             var t6 = Int1ToFillState((f2 >> 10) & 0x1);  // 1 0
             var t7 = Int1ToFillState((f2 >> 11) & 0x1);  // 1 0
             var t8 = Int1ToFillState((f2 >> 12) & 0x1);  // 1 0

PamhagenSysCtrl/Helpers/Pipeline/Auger.cs

@@ -14,17 +14,21 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
         public double Angle { get; set; }
 
         public bool IsAnimationActive {
+            get => !(_storyboard?.GetIsPaused() ?? true);
             set {
-                if (value) {
-                    _storyboard?.Resume();
-                } else {
-                    _storyboard?.Pause();
+                if (_storyboard == null) return;
+                if (value && _storyboard.GetIsPaused()) {
+                    _storyboard.Resume();
+                } else if (!value && !_storyboard.GetIsPaused()) {
+                    _storyboard.Pause();
                 }
             }
         }
 
         private Polyline? _polyline;
         private Storyboard? _storyboard;
+        private DoubleAnimation? _leftSlide;
+        private Canvas? _clipCanvas;
 
         public Auger(double x, double y, double width, double height, double angle = 0) {
             CenterX = x;
@@ -35,41 +39,51 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
         }
 
         public void Draw(Canvas canvas) {
-            var d = Height / 4;
-            int n = (int)(Width / d / 4) + 2;
             _polyline = new Polyline() {
-                Points = [.. Enumerable.Range(0, n).SelectMany(i => new List<Point>() {
-                    new(i * 4 * d, Height / 2), new((i * 4 + 1) * d, 0),
-                    new((i * 4 + 2) * d, Height / 2), new((i * 4 + 3) * d, Height)
-                }), new(n * 4 * d, Height / 2), new(0, Height / 2)],
                 Fill = Brushes.Transparent,
                 Stroke = Brushes.Black,
-                StrokeThickness = 2,
             };
             _polyline.SetValue(Canvas.LeftProperty, 0.0);
 
-            var slideLeft = new DoubleAnimation {
+            _leftSlide = new DoubleAnimation {
                 From = 0,
-                To = -d * 4,
                 Duration = new Duration(TimeSpan.FromSeconds(1)),
                 RepeatBehavior = RepeatBehavior.Forever,
             };
+            Storyboard.SetTarget(_leftSlide, _polyline);
             _storyboard = new Storyboard();
-            _storyboard.Children.Add(slideLeft);
-            Storyboard.SetTarget(slideLeft, _polyline);
-            Storyboard.SetTargetProperty(slideLeft, new PropertyPath(Canvas.LeftProperty));
-            var clipCanvas = new Canvas() {
-                Width = Width,
-                Height = Height,
+            _storyboard.Children.Add(_leftSlide);
+            Storyboard.SetTargetProperty(_leftSlide, new PropertyPath(Canvas.LeftProperty));
+            _clipCanvas = new Canvas() {
                 ClipToBounds = true,
-                RenderTransform = new RotateTransform(Angle, Width / 2, Height / 2),
             };
-            clipCanvas.SetValue(Canvas.TopProperty, CenterY - Height / 2);
-            clipCanvas.SetValue(Canvas.LeftProperty, CenterX - Width / 2);
-            clipCanvas.Children.Add(_polyline);
-            canvas.Children.Add(clipCanvas);
+            _clipCanvas.Children.Add(_polyline);
+            canvas.Children.Add(_clipCanvas);
             _storyboard.Begin();
             _storyboard.Pause();
         }
+
+        public void Scale(double scale) {
+            var border = Graph.ToBorder(scale);
+            var d = Height / 4 * scale;
+            int n = (int)(Width * scale / d / 4) + 2;
+            _polyline?.Points = [.. Enumerable.Range(0, n).SelectMany(i => new List<Point>() {
+                new(i * 4 * d, Height / 2 * scale), new((i * 4 + 1) * d, 0),
+                new((i * 4 + 2) * d, Height / 2 * scale), new((i * 4 + 3) * d, Height * scale)
+            }), new(n * 4 * d, Height / 2 * scale), new(0, Height / 2 * scale)];
+            _polyline?.StrokeThickness = border;
+
+            var active = IsAnimationActive;
+            _leftSlide?.To = -d * 4;
+            _storyboard?.Stop();
+            _storyboard?.Begin();
+            if (!active) _storyboard?.Pause();
+
+            _clipCanvas?.Width = Width * scale;
+            _clipCanvas?.Height = Height * scale;
+            _clipCanvas?.RenderTransform = new RotateTransform(Angle, Width / 2 * scale, Height / 2 * scale);
+            _clipCanvas?.SetValue(Canvas.TopProperty, (CenterY - Height / 2) * scale);
+            _clipCanvas?.SetValue(Canvas.LeftProperty,( CenterX - Width / 2) * scale);
+        }
     }
 }

PamhagenSysCtrl/Helpers/Pipeline/CenterValve.cs

@@ -6,7 +6,7 @@ using System.Windows.Shapes;
 namespace PamhagenSysCtrl.Helpers.Pipeline {
     public class CenterValve : INode {
 
-        public const double DIAMETER = 24;
+        public const double DIAMETER = 4.8;
 
         public double CenterX { get; set; }
         public double CenterY { get; set; }
@@ -33,29 +33,30 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
 
         public void Draw(Canvas canvas) {
             _circle = new Ellipse() {
-                Height = DIAMETER,
-                Width = DIAMETER,
                 Fill = Brushes.DarkGray,
                 Stroke = Brushes.Black,
-                StrokeThickness = 2,
             };
-            _circle.SetValue(Canvas.LeftProperty, CenterX - DIAMETER / 2);
-            _circle.SetValue(Canvas.TopProperty, CenterY - DIAMETER / 2);
             _text = new() {
                 Text = Label,
-                FontSize = 10,
-                Width = DIAMETER,
-                Height = DIAMETER,
                 TextAlignment = TextAlignment.Center,
                 VerticalAlignment = VerticalAlignment.Center,
                 SnapsToDevicePixels = true,
             };
-            _text.SetValue(Canvas.LeftProperty, CenterX - DIAMETER / 2 + 0.5);
-            _text.SetValue(Canvas.TopProperty, CenterY - DIAMETER / 2 + 5.5);
             canvas.Children.Add(_circle);
             canvas.Children.Add(_text);
         }
 
+        public void Scale(double scale) {
+            var border = Graph.ToBorder(scale);
+            Graph.SetCenter(_circle, CenterX, CenterY, DIAMETER, DIAMETER, scale);
+            _circle?.StrokeThickness = border;
+            _text?.Width = DIAMETER * scale;
+            _text?.Height = DIAMETER * scale;
+            _text?.FontSize = 2 * scale;
+            _text?.SetValue(Canvas.LeftProperty, (CenterX - DIAMETER / 2 + 0.1) * scale);
+            _text?.SetValue(Canvas.TopProperty, (CenterY - DIAMETER / 2 + 1.1) * scale);
+        }
+
         public bool IsInside(double x, double y) {
             return Math.Sqrt(Math.Pow(CenterX - x, 2) + Math.Pow(CenterY - y, 2)) <= DIAMETER / 2;
         }

PamhagenSysCtrl/Helpers/Pipeline/ConveyorBelt.cs

@@ -7,8 +7,8 @@ using System.Windows.Shapes;
 namespace PamhagenSysCtrl.Helpers.Pipeline {
     public class ConveyorBelt : INode {
 
-        public const double WIDTH = 30;
-        public const double HEIGHT = 120;
+        public const double WIDTH = 6;
+        public const double HEIGHT = 24;
 
         public double CenterX { get; set; }
         public double CenterY { get; set; }
@@ -18,22 +18,23 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
 
         public bool IsActive => CallbackActive();
         public bool IsAnimationActive {
-            get => _animationActive;
+            get => !(_storyboard?.GetIsPaused() ?? true);
             set {
-                _animationActive = value;
-                if (value) {
-                    _storyboard?.Resume();
-                } else {
-                    _storyboard?.Pause();
+                if (_storyboard == null) return;
+                if (value && _storyboard.GetIsPaused()) {
+                    _storyboard.Resume();
+                } else if (!value && !_storyboard.GetIsPaused()) {
+                    _storyboard.Pause();
                 }
             }
         }
 
         protected Func<bool> CallbackActive;
 
-        private bool _animationActive;
-        private Shape? _rect;
+        private Rectangle? _rect;
         private Polyline? _polyline;
+        private DoubleAnimation? _slideUp;
+        private Canvas? _clipCanvas;
         private Storyboard? _storyboard;
 
         public ConveyorBelt(string label, double x, double y, Func<bool> cbActive) {
@@ -47,52 +48,63 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
 
         public void Draw(Canvas canvas) {
             _rect = new Rectangle() {
-                Width = WIDTH,
-                Height = HEIGHT,
                 Stroke = Brushes.Black,
-                StrokeThickness = 2,
                 Fill = Brushes.WhiteSmoke,
                 StrokeLineJoin = PenLineJoin.Round,
             };
-            _rect.SetValue(Canvas.LeftProperty, CenterX - WIDTH / 2);
-            _rect.SetValue(Canvas.TopProperty, CenterY - HEIGHT / 2);
 
-            var d = 15;
-            int n = (int)(HEIGHT / d) + 2;
             _polyline = new Polyline() {
-                Points = [.. Enumerable.Range(0, n).SelectMany(i => new List<Point>() {
-                    new(-WIDTH, i * d), new(WIDTH, i * d), new(-WIDTH, i * d)
-                })],
                 Fill = Brushes.Transparent,
                 Stroke = Brushes.Black,
                 StrokeThickness = 2,
             };
             _polyline.SetValue(Canvas.TopProperty, 0.0);
 
-            var slideUp = new DoubleAnimation {
+            _slideUp = new DoubleAnimation {
                 From = 0,
-                To = -d,
                 Duration = new Duration(TimeSpan.FromSeconds(1)),
                 RepeatBehavior = RepeatBehavior.Forever,
             };
+            Storyboard.SetTargetProperty(_slideUp, new PropertyPath(Canvas.TopProperty));
             _storyboard = new Storyboard();
-            _storyboard.Children.Add(slideUp);
-            Storyboard.SetTarget(slideUp, _polyline);
-            Storyboard.SetTargetProperty(slideUp, new PropertyPath(Canvas.TopProperty));
-            var clipCanvas = new Canvas() {
-                Width = WIDTH - 15,
-                Height = HEIGHT - 8,
+            _storyboard.Children.Add(_slideUp);
+            Storyboard.SetTarget(_slideUp, _polyline);
+            _clipCanvas = new Canvas() {
                 ClipToBounds = true,
             };
-            clipCanvas.SetValue(Canvas.TopProperty, CenterY - HEIGHT / 2 + 4);
-            clipCanvas.SetValue(Canvas.LeftProperty, CenterX - WIDTH / 2 + 7.5);
-            clipCanvas.Children.Add(_polyline);
+            _clipCanvas.Children.Add(_polyline);
 
             canvas.Children.Add(_rect);
-            canvas.Children.Add(clipCanvas);
+            canvas.Children.Add(_clipCanvas);
             _storyboard.Begin();
             _storyboard.Pause();
+        }
 
+        public void Scale(double scale) {
+            var border = Graph.ToBorder(scale);
+            _rect?.Width = WIDTH * scale;
+            _rect?.Height = HEIGHT * scale;
+            _rect?.StrokeThickness = border;
+            _rect?.SetValue(Canvas.LeftProperty, (CenterX - WIDTH / 2) * scale);
+            _rect?.SetValue(Canvas.TopProperty, (CenterY - HEIGHT / 2) * scale);
+
+            var d = Math.Round(3 * scale);
+            int n = (int)(HEIGHT * scale / d) + 2;
+            _polyline?.Points = [.. Enumerable.Range(0, n).SelectMany(i => new List<Point>() {
+                    new(-WIDTH * scale, i * d), new(WIDTH * scale, i * d), new(-WIDTH * scale, i * d)
+                })];
+            _polyline?.StrokeThickness = border;
+
+            var active = IsAnimationActive;
+            _slideUp?.To = -d;
+            _storyboard?.Stop();
+            _storyboard?.Begin();
+            if (!active) _storyboard?.Pause();
+
+            _clipCanvas?.Width = (WIDTH - 2.2) * scale - border * 2;
+            _clipCanvas?.Height = (HEIGHT - 0.8) * scale - border * 2;
+            _clipCanvas?.SetValue(Canvas.LeftProperty, (CenterX - WIDTH / 2 + 1.1) * scale + border);
+            _clipCanvas?.SetValue(Canvas.TopProperty, (CenterY - HEIGHT / 2 + 0.4) * scale + border);
         }
 
         public bool IsInside(double x, double y) {
@@ -102,11 +114,11 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
         public void Update(bool isHovering, bool isPressed) {
             IsAnimationActive = IsActive;
             _rect?.Fill =
-                IsAnimationActive && isHovering && isPressed ? PamhagenBrushes.Red :
-                IsAnimationActive && isHovering ? PamhagenBrushes.Red :
-                !IsAnimationActive && isHovering && isPressed ? PamhagenBrushes.Green :
-                !IsAnimationActive && isHovering ? PamhagenBrushes.Green :
-                IsAnimationActive ? PamhagenBrushes.Green :
+                IsActive && isHovering && isPressed ? PamhagenBrushes.Red :
+                IsActive && isHovering ? PamhagenBrushes.Red :
+                !IsActive && isHovering && isPressed ? PamhagenBrushes.Green :
+                !IsActive && isHovering ? PamhagenBrushes.Green :
+                IsActive ? PamhagenBrushes.Green :
                 Brushes.WhiteSmoke;
         }
     }

PamhagenSysCtrl/Helpers/Pipeline/EncasedAuger.cs

@@ -6,8 +6,8 @@ using System.Windows.Shapes;
 namespace PamhagenSysCtrl.Helpers.Pipeline {
     public class EncasedAuger : INode {
 
-        public const double WIDTH = 80;
-        public const double HEIGHT = 20;
+        public const double WIDTH = 16;
+        public const double HEIGHT = 4;
 
         public double CenterX { get; set; }
         public double CenterY { get; set; }
@@ -29,8 +29,9 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
         protected Func<bool> CallbackActive;
 
         private bool _animationActive;
-        private Shape? _inner;
-        private Shape? _outer;
+        private Canvas? _canvas;
+        private Rectangle? _inner;
+        private Rectangle? _outer;
         private Auger? _auger;
         private TextBlock? _text;
 
@@ -46,41 +47,49 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
         }
 
         public void Draw(Canvas canvas) {
-            var c = new Canvas() {
-                RenderTransform = new RotateTransform(Angle, WIDTH / 2, HEIGHT / 2),
+            _canvas = new Canvas() {
+                RenderTransform = new RotateTransform(Angle),
             };
             _outer = new Rectangle() {
-                Width = WIDTH,
-                Height = HEIGHT,
                 Fill = Brushes.Black,
             };
             _inner = new Rectangle() {
-                Width = WIDTH,
-                Height = HEIGHT - 4,
                 Fill = Brushes.WhiteSmoke,
             };
-            c.SetValue(Canvas.LeftProperty, CenterX - WIDTH / 2);
-            c.SetValue(Canvas.TopProperty, CenterY - HEIGHT / 2);
-            _inner.SetValue(Canvas.TopProperty, 2.0);
-            c.Children.Add(_outer);
-            c.Children.Add(_inner);
-            canvas.Children.Add(c);
+
+            _canvas.Children.Add(_outer);
+            _canvas.Children.Add(_inner);
+            canvas.Children.Add(_canvas);
 
             _text = new() {
                 Text = Label,
-                Width = WIDTH,
-                FontSize = 12,
                 TextAlignment = TextAlignment.Center,
                 VerticalAlignment = VerticalAlignment.Center,
             };
-            _text.SetValue(Canvas.LeftProperty, CenterX - WIDTH / 2);
-            _text.SetValue(Canvas.TopProperty, CenterY + HEIGHT / 2);
             canvas.Children.Add(_text);
 
-            _auger = new Auger(CenterX, CenterY, WIDTH, 12, Angle);
+            _auger = new Auger(CenterX, CenterY, WIDTH, 2.4, Angle);
             _auger.Draw(canvas);
         }
 
+        public void Scale(double scale) {
+            var border = Graph.ToBorder(scale);
+            _canvas?.SetValue(Canvas.LeftProperty, (CenterX - WIDTH / 2) * scale);
+            _canvas?.SetValue(Canvas.TopProperty, (CenterY - HEIGHT / 2) * scale);
+            _canvas?.RenderTransform = new RotateTransform(Angle, WIDTH / 2 * scale, HEIGHT / 2 * scale);
+            _outer?.Width = WIDTH * scale;
+            _outer?.Height = HEIGHT * scale;
+            _inner?.Width = WIDTH * scale;
+            _inner?.Height = HEIGHT * scale - border * 2;
+            _inner?.SetValue(Canvas.TopProperty, border);
+
+            _text?.FontSize = 12;
+            _text?.Width = WIDTH * scale;
+            _text?.SetValue(Canvas.LeftProperty, (CenterX - WIDTH / 2) * scale);
+            _text?.SetValue(Canvas.TopProperty, (CenterY + HEIGHT / 2) * scale);
+            _auger?.Scale(scale);
+        }
+
         public bool IsInside(double x, double y) {
             return Math.Sqrt(Math.Pow(CenterX - x, 2) + Math.Pow(CenterY - y, 2)) <= WIDTH / 2;
         }

PamhagenSysCtrl/Helpers/Pipeline/EntryTrough.cs

@@ -7,8 +7,8 @@ using System.Windows.Shapes;
 namespace PamhagenSysCtrl.Helpers.Pipeline {
     class EntryTrough : INode {
 
-        public const double WIDTH = 150;
-        public const double HEIGHT = 60;
+        public const double WIDTH = 30;
+        public const double HEIGHT = 12;
 
         public double CenterX { get; set; }
         public double CenterY { get; set; }
@@ -20,9 +20,8 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
         public bool IsAnimationActive {
             get => _animationActive;
             set {
-                _animationActive = value;
                 _auger?.IsAnimationActive = value;
-                if (value) {
+                if (value && !_animationActive) {
                     _doorTransform?.BeginAnimation(
                         RotateTransform.AngleProperty,
                         new DoubleAnimation {
@@ -30,7 +29,7 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
                             To = 60,
                             Duration = TimeSpan.FromSeconds(Math.Abs(_doorTransform.Angle - 60) / 60.0)
                         });
-                } else {
+                } else if (!value && _animationActive) {
                     _doorTransform?.BeginAnimation(
                         RotateTransform.AngleProperty,
                         new DoubleAnimation {
@@ -39,17 +38,23 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
                             Duration = TimeSpan.FromSeconds(Math.Abs(_doorTransform.Angle - 0) / 60.0)
                         });
                 }
+                _animationActive = value;
             }
         }
 
+        public double Top => CenterY - HEIGHT / 2;
+        public double Right => CenterX + WIDTH / 2;
+        public double Bottom => CenterY + HEIGHT / 2;
+        public double Left => CenterX - WIDTH / 2;
+
         protected Func<bool> CallbackActive;
 
         private bool _animationActive;
-        private Shape? _inner;
-        private Shape? _outer;
+        private Polygon? _inner;
+        private Polygon? _outer;
         private TextBlock? _text;
         private Auger? _auger;
-        private Shape? _door;
+        private Line? _door;
         private RotateTransform? _doorTransform;
 
         public EntryTrough(string label, double x, double y, Func<bool> cbActive) {
@@ -62,42 +67,62 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
         }
 
         public void Draw(Canvas canvas) {
-            var top = CenterY - HEIGHT / 2;
-            var right = CenterX + WIDTH / 2;
-            var bottom = CenterY + HEIGHT / 2;
-            var left = CenterX - WIDTH / 2;
             _outer = new Polygon() {
-                Points = [new(left, top), new(right, top), new(right - 20, bottom), new(left, bottom), new(left, bottom - 20), new(left + 12.5, bottom - 20)],
                 Fill = Brushes.Black,
             };
             _inner = new Polygon() {
-                Points = [new(left + 2, top), new(right - 2, top), new(right - 20 - 2, bottom - 2), new(left, bottom - 2), new(left, bottom - 18), new(left + 15.5, bottom - 18)],
                 Fill = Brushes.WhiteSmoke,
             };
-            _doorTransform = new RotateTransform(0, left, bottom - 24);
+            _doorTransform = new RotateTransform(0);
             _door = new Line() {
-                X1 = left, Y1 = bottom - 24, X2 = left, Y2 = bottom + 4,
                 Stroke = Brushes.Black,
-                StrokeThickness = 4,
                 RenderTransform = _doorTransform,
             };
             _text = new() {
                 Text = Label,
-                FontSize = 12,
-                Width = WIDTH,
                 TextAlignment = TextAlignment.Center,
                 VerticalAlignment = VerticalAlignment.Center,
             };
-            _text.SetValue(Canvas.LeftProperty, CenterX - WIDTH / 2);
-            _text.SetValue(Canvas.TopProperty, CenterY - 7.5 - 8);
             canvas.Children.Add(_outer);
             canvas.Children.Add(_inner);
             canvas.Children.Add(_text);
             canvas.Children.Add(_door);
-            _auger = new(CenterX - 11, CenterY + HEIGHT / 2 - 9, WIDTH - 25, 12);
+            _auger = new(CenterX - 2.2, CenterY + HEIGHT / 2 - 1.8, WIDTH - 5, 2.4);
             _auger.Draw(canvas);
         }
 
+        public void Scale(double scale) {
+            var border = Graph.ToBorder(scale);
+            _outer?.Points = [
+                new(Left * scale, Top * scale),
+                new(Right * scale, Top * scale),
+                new((Right - 4) * scale, Bottom * scale),
+                new(Left * scale, Bottom * scale),
+                new(Left * scale, (Bottom - 4) * scale),
+                new((Left + 2.5) * scale, (Bottom - 4) * scale),
+            ];
+            _inner?.Points = [
+                new(Left * scale + border, Top * scale),
+                new(Right * scale - border, Top * scale),
+                new((Right - 4) * scale - border, Bottom * scale - border),
+                new(Left * scale, Bottom * scale - border),
+                new(Left * scale, (Bottom - 3.6) * scale),
+                new((Left + 3.1) * scale, (Bottom - 3.6) * scale),
+            ];
+            _door?.X1 = Left * scale;
+            _door?.Y1 = (Bottom - 4.8) * scale;
+            _door?.X2 = Left * scale;
+            _door?.Y2 = (Bottom + 0.8) * scale;
+            _door?.StrokeThickness = border * 2;
+            _doorTransform?.CenterX = Left * scale;
+            _doorTransform?.CenterY = (Bottom - 4.8) * scale;
+            _text?.FontSize = 12;
+            _text?.Width = WIDTH * scale;
+            _text?.SetValue(Canvas.LeftProperty, (CenterX - WIDTH / 2) * scale);
+            _text?.SetValue(Canvas.TopProperty, (CenterY - 1.5) * scale - 8);
+            _auger?.Scale(scale);
+        }
+
         public bool IsInside(double x, double y) {
             return Math.Abs(x - CenterX) <= WIDTH / 2 && Math.Abs(y - CenterY) <= HEIGHT / 2;
         }

PamhagenSysCtrl/Helpers/Pipeline/FlowArrows.cs

@@ -7,42 +7,40 @@ using System.Windows.Shapes;
 namespace PamhagenSysCtrl.Helpers.Pipeline {
     internal sealed class FlowArrows {
 
-        public const double SPEED = 20;
-        public const double SPACING = 15;
-        public const double LENGTH = 7;
-        public const double WIDTH = 7;
+        public const double SPEED = 4;
+        public const double SPACING = 3;
+        public const double LENGTH = 1.4;
+        public const double WIDTH = 1.4;
 
         private static readonly Stopwatch Clock = Stopwatch.StartNew();
 
+        private double _scale = 5;
         private readonly Canvas _layer;
         private readonly Point[] _path;
         private Point[] _points = [];
-        private double _length;
         private double _pathOffset;
         private bool _isActive;
 
-        public double Length => GetLength(_path[0], _path[1]) + GetLength(_path[1], _path[2]);
+        public double Length { get; init; }
 
-        private FlowArrows(Canvas canvas, Point[] path) {
+        private FlowArrows(Point[] path) {
             _path = path;
+            Length = _path.Length <= 1 ? 0 : Enumerable.Range(0, _path.Length - 1).Sum(i => GetLength(_path[i], _path[i + 1]));
             _layer = new Canvas() {
                 IsHitTestVisible = false,
                 Visibility = Visibility.Collapsed,
             };
             _layer.Unloaded += (_, _) => Stop();
-            canvas.Children.Add(_layer);
         }
 
-        public static FlowArrows Create(Canvas canvas, Line first, Line second) {
-            return new FlowArrows(canvas, [
-                new Point(first.X1, first.Y1),
-                new Point(first.X2, first.Y2),
-                new Point(second.X2, second.Y2),
-            ]);
+        public static FlowArrows Create(Canvas canvas, IEnumerable<Point> points) {
+            var arrows = new FlowArrows([.. points]);
+            canvas.Children.Add(arrows._layer);
+            return arrows;
         }
 
-        public static FlowArrows Create(Canvas canvas, Polyline path) {
-            return new FlowArrows(canvas, [.. path.Points]);
+        public void Scale(double scale) {
+            _scale = scale;
         }
 
         public void Update((bool TowardEnd, double PathOffset)? flow) {
@@ -52,7 +50,6 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
             }
 
             _points = flow.Value.TowardEnd ? _path : [.. _path.Reverse()];
-            _length = GetLength(_points[0], _points[1]) + GetLength(_points[1], _points[2]);
             _pathOffset = flow.Value.PathOffset;
             if (!_isActive) {
                 CompositionTarget.Rendering += OnRendering;
@@ -69,7 +66,7 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
         private void Render() {
             var distance = ((Clock.Elapsed.TotalSeconds * SPEED - _pathOffset) % SPACING + SPACING) % SPACING;
             var arrowIndex = 0;
-            while (distance <= _length) {
+            while (distance <= Length) {
                 var arrow = GetArrow(arrowIndex++);
                 SetPosition(arrow, distance);
                 arrow.Visibility = Visibility.Visible;
@@ -145,9 +142,9 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
                 direction = v2;
             }
 
-            double ux = direction.X;
-            double uy = direction.Y;
-            (arrow.RenderTransform as MatrixTransform)?.Matrix = new Matrix(ux, uy, -uy, ux, position.X, position.Y);
+            double ux = direction.X * _scale;
+            double uy = direction.Y * _scale;
+            (arrow.RenderTransform as MatrixTransform)?.Matrix = new Matrix(ux, uy, -uy, ux, position.X * _scale, position.Y * _scale);
         }
 
         private void Stop() {

PamhagenSysCtrl/Helpers/Pipeline/Graph.cs

@@ -1,5 +1,7 @@
+using System.Windows;
 using System.Windows.Controls;
 using System.Windows.Media;
+using System.Windows.Media.Media3D;
 using System.Windows.Shapes;
 
 namespace PamhagenSysCtrl.Helpers.Pipeline {
@@ -54,64 +56,115 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
             return p;
         }
 
-        public Path? GetPath(IEnumerable<INode> points, Func<INode, bool>? valid = null) {
+        public Path? GetPath(IEnumerable<INode> points, Func<INode, bool>? valid = null, Func<Path, int>? cost = null) {
             if (points.Count() < 2) return null;
             var start = points.First();
-            var path = new Path(start, []);
+            List<Path> paths = [new(start, [])];
             foreach (var end in points.Skip(1)) {
-                if (valid != null && start != points.First() && !valid(start)) {
+                if (valid != null && start != points.First() && !valid(start))
                     return null;
-                } else if (GetPath(start, end, valid, visited: [.. path.Hops.Select(h => h.Node)]) is not Path p) {
-                    return null;
-                } else {
-                    path.Hops = [.. path.Hops, .. p.Hops];
-                    start = end;
+
+                var newPaths = new List<Path>();
+                foreach (var path in paths) {
+                    foreach (var subPath in GetPaths(start, end, visited: [.. path.Hops.Select(h => h.Node)], valid)) {
+                        newPaths.Add(new(path.Start, [.. path.Hops, .. subPath.Hops]));
+                    }
                 }
+                if (newPaths.Count == 0)
+                    return null;
+
+                paths = newPaths;
+                start = end;
+            }
+            if (paths.Count == 0) {
+                return null;
+            } else {
+                cost ??= p => 0;
+                return paths.OrderBy(cost).First();
             }
-            return path;
         }
 
-        public Path? GetPath(INode start, INode end, Func<INode, bool>? valid = null, HashSet<INode>? visited = null) {
+        public IEnumerable<Path> GetPaths(INode start, INode end, HashSet<INode>? visited = null, Func<INode, bool>? valid = null) {
             if (!Nodes.Contains(start) || !Nodes.Contains(end)) throw new ArgumentException("Start/end node not contained in graph");
             valid ??= a => true;
             visited = [.. visited ?? [], start];
             List<(IEdge, INode)> hops = [];
-            Path? path = null;
             foreach (var o in start.Outputs) {
                 var e = o.IsTwoWay && o.End == start ? o.Start : o.End;
                 if (e == end) {
-                    return new(start, [(o, e)]);
+                    yield return new(start, [(o, e)]);
+                    continue;
                 } else if (!valid(e) || visited.Contains(e)) {
                     continue;
                 }
 
-                var p = GetPath(e, end, valid, visited);
-                if (p != null) {
-                    var p2 = new Path(start, [(o, e), .. p.Value.Hops]);
-                    if (path == null || p2.Bends < path.Value.Bends || (p2.Bends == path.Value.Bends && p2.Length < path.Value.Length)) {
-                        path = p2;
-                    }
+                foreach (var p in GetPaths(e, end, visited, valid)) {
+                    yield return new(start, [(o, e), .. p.Hops]);
                 }
             }
-            return path != null ? new(start, path.Value.Hops) : null;
         }
 
-        public void Draw(Canvas canvas) {
-            canvas.Children.Add(new Rectangle() {
+        public void Draw(Canvas canvas, double scale) {
+            var bg = new Rectangle() {
                 Fill = Brushes.White,
-                Width = 5000,
-                Height = 5000,
-            });
+                Width = 8000,
+                Height = 8000,
+            };
+            SetPos(bg, -4000, -4000, 1);
+            canvas.Children.Add(bg);
             foreach (var e in Edges) {
                 e.Draw(canvas);
+                e.Scale(scale);
             }
             foreach (var n in Nodes) {
                 n.Draw(canvas);
+                n.Scale(scale);
             }
         }
 
-        public ISet<INode> GetHover(double x, double y) {
-            return Nodes.Where(n => n.IsInside(x, y)).ToHashSet();
+        public void Scale(double scale) {
+            foreach (var e in Edges) {
+                e.Scale(scale);
+            }
+            foreach (var n in Nodes) {
+                n.Scale(scale);
+            }
+        }
+
+        public static double ToPx(double v, double scale) {
+            return Math.Round(v * scale);
+        }
+
+        public static Point ToPx(double x, double y, double scale, double dxpx = 0, double dypx = 0, bool round = true) {
+            var p = new Point(x * scale + dxpx, y * scale + dypx);
+            return round ? new(Math.Round(p.X), Math.Round(p.Y)) : p;
+        }
+
+        public static Point ToPx(Point p, double scale) {
+            return ToPx(p.X, p.Y, scale);
+        }
+
+        public static double ToBorder(double scale) {
+            return scale > 10 ? 4 : scale > 7.5 ? 3 : scale > 4 ? 2 : 1;
+        }
+
+        public static void SetPos(FrameworkElement? s, double x, double y, double scale, double dxpx = 0, double dypx = 0) {
+            s?.SetValue(Canvas.LeftProperty, ToPx(x, scale) + dxpx);
+            s?.SetValue(Canvas.TopProperty, ToPx(y, scale) + dypx);
+        }
+
+        public static void SetWH(Shape? s, double w, double h, double scale) {
+            s?.Width = ToPx(w, scale);
+            s?.Height = ToPx(h, scale);
+        }
+
+        public static void SetCenter(Shape? s, double cx, double cy, double w, double h, double scale) {
+            Graph.SetWH(s, w, h, scale);
+            Graph.SetPos(s, cx - w / 2, cy - h / 2, scale);
+        }
+
+        public ISet<INode> GetHover(double x, double y, double scale) {
+            return Nodes.Where(n => n.IsInside(x / scale, y / scale)).ToHashSet();
         }
 
         public void Update(ISet<INode> hovering, bool isPressed) {

PamhagenSysCtrl/Helpers/Pipeline/HeatExchanger.cs

@@ -6,8 +6,8 @@ using System.Windows.Shapes;
 namespace PamhagenSysCtrl.Helpers.Pipeline {
     public class HeatExchanger : INode {
 
-        public const double WIDTH = 30;
-        public const double HEIGHT = 120;
+        public const double WIDTH = 6;
+        public const double HEIGHT = 24;
 
         public double CenterX { get; set; }
         public double CenterY { get; set; }
@@ -28,29 +28,30 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
 
         public void Draw(Canvas canvas) {
             _rect = new Rectangle() {
-                Width = WIDTH,
-                Height = HEIGHT,
                 Stroke = Brushes.Black,
-                StrokeThickness = 2,
                 Fill = Brushes.WhiteSmoke,
             };
             _text = new() {
                 Text = Label,
-                FontSize = 12,
-                Width = HEIGHT,
                 TextAlignment = TextAlignment.Center,
                 VerticalAlignment = VerticalAlignment.Center,
                 RenderTransform = new RotateTransform(270),
                 SnapsToDevicePixels = true,
             };
-            _rect.SetValue(Canvas.LeftProperty, CenterX - WIDTH / 2);
-            _rect.SetValue(Canvas.TopProperty, CenterY - HEIGHT / 2);
-            _text.SetValue(Canvas.LeftProperty, CenterX - 9);
-            _text.SetValue(Canvas.TopProperty, CenterY + HEIGHT / 2);
             canvas.Children.Add(_rect);
             canvas.Children.Add(_text);
         }
 
+        public void Scale(double scale) {
+            var border = Graph.ToBorder(scale);
+            Graph.SetWH(_rect, WIDTH, HEIGHT, scale);
+            Graph.SetPos(_rect, CenterX - WIDTH / 2, CenterY - HEIGHT / 2, scale);
+            _rect?.StrokeThickness = border;
+            _text?.FontSize = 12;
+            _text?.Width = Math.Round(HEIGHT * scale);
+            Graph.SetPos(_text, CenterX, CenterY + HEIGHT / 2, scale, dxpx: -9);
+        }
+
         public bool IsInside(double x, double y) {
             return Math.Abs(x - CenterX) <= WIDTH / 2 && Math.Abs(y - CenterY) <= HEIGHT / 2;
         }

PamhagenSysCtrl/Helpers/Pipeline/IEdge.cs

@@ -14,6 +14,7 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
         public double FlowLength { get; }
 
         public void Draw(Canvas canvas);
+        public void Scale(double scale);
         public void Update();
     }
 }

PamhagenSysCtrl/Helpers/Pipeline/INode.cs

@@ -10,8 +10,8 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
         public ISet<IEdge> Outputs { get; }
 
         public void Draw(Canvas canvas);
+        public void Scale(double scale);
         public void Update(bool isHovering, bool isPressed);
         public bool IsInside(double x, double y);
-
     }
 }

PamhagenSysCtrl/Helpers/Pipeline/Inlet.cs

@@ -15,10 +15,15 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
         public (bool TowardEnd, double PathOffset)? Flow { get; set; }
         public double FlowLength => _flowArrows?.Length ?? 0;
 
-        private Line? _outer1;
-        private Line? _outer2;
-        private Line? _inner1;
-        private Line? _inner2;
+        public double X1 => Start.CenterX;
+        public double Y1 => Start.CenterY;
+        public double X2 => Start.CenterX;
+        public double Y2 => Orientation ? Sink.CenterY - 2 : Sink.TopY - 2;
+        public double X3 => Orientation ? Sink.CenterX : Start.CenterX + (Start.CenterX == End.CenterX ? 0 : Start.CenterX > End.CenterX ? -4 : 4);
+        public double Y3 => Orientation ? Sink.CenterY - 2 : Sink.TopY + 4;
+
+        private Polyline? _outer;
+        private Polyline? _inner;
         private FlowArrows? _flowArrows;
 
         public Inlet(INode start, ISink end, bool orientation = false) {
@@ -28,62 +33,34 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
         }
 
         public void Draw(Canvas canvas) {
-            var x1 = Start.CenterX;
-            var y1 = Start.CenterY;
-            var x2 = Start.CenterX;
-            var y2 = Orientation ? Sink.CenterY - 10 : Sink.TopY - 10;
-            var x3 = Orientation ? Sink.CenterX : Start.CenterX + (Start.CenterX == End.CenterX ? 0 : Start.CenterX > End.CenterX ? -20 : 20);
-            var y3 = Orientation ? Sink.CenterY - 10 : Sink.TopY + 20;
-            _outer1 = new Line() {
-                X1 = x1,
-                Y1 = y1,
-                X2 = x2,
-                Y2 = y2,
-                StrokeThickness = 10,
-                Stroke = Brushes.Black,
-                StrokeStartLineCap = PenLineCap.Round,
-                StrokeEndLineCap = PenLineCap.Round,
-            };
-            _inner1 = new Line() {
-                X1 = x1,
-                Y1 = y1,
-                X2 = x2,
-                Y2 = y2,
-                StrokeThickness = 6,
-                Stroke = Brushes.DarkGray,
-                StrokeStartLineCap = PenLineCap.Round,
-                StrokeEndLineCap = PenLineCap.Round,
-            };
-            _outer2 = new Line() {
-                X1 = x2,
-                Y1 = y2,
-                X2 = x3,
-                Y2 = y3,
-                StrokeThickness = 10,
+            _outer = new Polyline() {
                 Stroke = Brushes.Black,
                 StrokeStartLineCap = PenLineCap.Round,
+                StrokeLineJoin = PenLineJoin.Round,
                 StrokeEndLineCap = PenLineCap.Flat,
             };
-            _inner2 = new Line() {
-                X1 = x2,
-                Y1 = y2,
-                X2 = x3,
-                Y2 = y3,
-                StrokeThickness = 6,
+            _inner = new Polyline() {
                 Stroke = Brushes.DarkGray,
                 StrokeStartLineCap = PenLineCap.Round,
+                StrokeLineJoin = PenLineJoin.Round,
                 StrokeEndLineCap = PenLineCap.Flat,
             };
-            canvas.Children.Add(_outer1);
-            canvas.Children.Add(_outer2);
-            canvas.Children.Add(_inner1);
-            canvas.Children.Add(_inner2);
-            _flowArrows = FlowArrows.Create(canvas, _inner1!, _inner2!);
+            canvas.Children.Add(_outer);
+            canvas.Children.Add(_inner);
+            _flowArrows = FlowArrows.Create(canvas, [new(X1, Y1), new(X2, Y2), new(X3, Y3)]);
+        }
+
+        public void Scale(double scale) {
+            var border = Graph.ToBorder(scale);
+            _outer?.Points = [Graph.ToPx(X1, Y1, scale), Graph.ToPx(X2, Y2, scale), Graph.ToPx(X3, Y3, scale)];
+            _inner?.Points = [Graph.ToPx(X1, Y1, scale), Graph.ToPx(X2, Y2, scale), Graph.ToPx(X3, Y3, scale)];
+            _inner?.StrokeThickness = Math.Round(1.2 * scale / 2) * 2;
+            _outer?.StrokeThickness = Math.Round(1.2 * scale / 2) * 2 + border * 2;
+            _flowArrows?.Scale(scale);
         }
 
         public void Update() {
-            _inner1?.Stroke = Highlight ?? Brushes.DarkGray;
-            _inner2?.Stroke = Highlight ?? Brushes.DarkGray;
+            _inner?.Stroke = Highlight ?? Brushes.DarkGray;
             _flowArrows?.Update(Flow);
         }
     }

PamhagenSysCtrl/Helpers/Pipeline/Outlet.cs

@@ -5,7 +5,7 @@ using System.Windows.Shapes;
 namespace PamhagenSysCtrl.Helpers.Pipeline {
     public class Outlet : IEdge {
 
-        public const double POINT = 16;
+        public const double POINT = 3.2;
 
         public INode Start => Source;
         public INode End { get; set; }
@@ -17,12 +17,17 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
         public (bool TowardEnd, double PathOffset)? Flow { get; set; }
         public double FlowLength => _flowArrows?.Length ?? 0;
 
+        public double X1 => Start.CenterX;
+        public double Y1 => Source.BottomY;
+        public double X2 => Orientation ? Start.CenterX : End.CenterX;
+        public double Y2 => Orientation ? End.CenterY : Start.CenterY;
+        public double X3 => End.CenterX;
+        public double Y3 => End.CenterY;
+
         private Polygon? _hopper;
         private FlowArrows? _flowArrows;
-        private Line? _outer1;
-        private Line? _outer2;
-        private Line? _inner1;
-        private Line? _inner2;
+        private Polyline? _outer;
+        private Polyline? _inner;
 
         public Outlet(ISource start, INode end) {
             Source = start;
@@ -31,69 +36,41 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
         }
 
         public void Draw(Canvas canvas) {
-            var x1 = Start.CenterX ;
-            var y1 = Source.BottomY;
-            var x2 = Orientation ? Start.CenterX : End.CenterX;
-            var y2 = Orientation ? End.CenterY : Start.CenterY;
-            var x3 = End.CenterX;
-            var y3 = End.CenterY;
             _hopper = new Polygon() {
-                Points = [new(x1 - POINT, y1 - 2), new(x1 + POINT, y1 - 2), new(x1, y1 + POINT)],
                 Fill = Brushes.DarkGray,
                 Stroke = Brushes.Black,
-                StrokeThickness = 2,
             };
-            _outer1 = new Line() {
-                X1 = x1,
-                Y1 = y1,
-                X2 = x2,
-                Y2 = y2,
-                StrokeThickness = 10,
+            _outer = new Polyline() {
                 Stroke = Brushes.Black,
                 StrokeStartLineCap = PenLineCap.Round,
+                StrokeLineJoin = PenLineJoin.Round,
                 StrokeEndLineCap = PenLineCap.Round,
             };
-            _inner1 = new Line() {
-                X1 = x1,
-                Y1 = y1,
-                X2 = x2,
-                Y2 = y2,
-                StrokeThickness = 6,
+            _inner = new Polyline() {
                 Stroke = Brushes.DarkGray,
                 StrokeStartLineCap = PenLineCap.Round,
+                StrokeLineJoin = PenLineJoin.Round,
                 StrokeEndLineCap = PenLineCap.Round,
             };
-            _outer2 = new Line() {
-                X1 = x2,
-                Y1 = y2,
-                X2 = x3,
-                Y2 = y3,
-                StrokeThickness = 10,
-                Stroke = Brushes.Black,
-                StrokeStartLineCap = PenLineCap.Round,
-                StrokeEndLineCap = PenLineCap.Round,
-            };
-            _inner2 = new Line() {
-                X1 = x2,
-                Y1 = y2,
-                X2 = x3,
-                Y2 = y3,
-                StrokeThickness = 6,
-                Stroke = Brushes.DarkGray,
-                StrokeStartLineCap = PenLineCap.Round,
-                StrokeEndLineCap = PenLineCap.Round,
-            };
-            canvas.Children.Add(_outer1);
-            canvas.Children.Add(_outer2);
+            canvas.Children.Add(_outer);
             canvas.Children.Add(_hopper);
-            canvas.Children.Add(_inner1);
-            canvas.Children.Add(_inner2);
-            _flowArrows = FlowArrows.Create(canvas, _inner1!, _inner2!);
+            canvas.Children.Add(_inner);
+            _flowArrows = FlowArrows.Create(canvas, [new(X1, Y1), new(X2, Y2), new(X3, Y3)]);
+        }
+
+        public void Scale(double scale) {
+            var border = Graph.ToBorder(scale);
+            _hopper?.Points = [Graph.ToPx(X1 - POINT, Y1, scale, dypx: -border * 2), Graph.ToPx(X1 + POINT, Y1, scale, dypx: -border * 2), Graph.ToPx(X1, Y1 + POINT, scale)];
+            _hopper?.StrokeThickness = border;
+            _outer?.Points = [Graph.ToPx(X1, Y1, scale), Graph.ToPx(X2, Y2, scale), Graph.ToPx(X3, Y3, scale)];
+            _inner?.Points = [Graph.ToPx(X1, Y1, scale), Graph.ToPx(X2, Y2, scale), Graph.ToPx(X3, Y3, scale)];
+            _inner?.StrokeThickness = Math.Round(1.2 * scale / 2) * 2;
+            _outer?.StrokeThickness = Math.Round(1.2 * scale / 2) * 2 + border * 2;
+            _flowArrows?.Scale(scale);
         }
 
         public void Update() {
-            _inner1?.Stroke = Highlight ?? Brushes.DarkGray;
-            _inner2?.Stroke = Highlight ?? Brushes.DarkGray;
+            _inner?.Stroke = Highlight ?? Brushes.DarkGray;
             _hopper?.Fill = Highlight ?? Brushes.DarkGray;
             _flowArrows?.Update(Flow);
         }

PamhagenSysCtrl/Helpers/Pipeline/Path.cs

@@ -3,7 +3,7 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
             INode Start,
             IEnumerable<(IEdge Edge, INode Node)> Hops)
     {
-        public readonly double Bends => Hops.Sum(h => (h.Node is not Valve && h.Node is not PipeJoin ? 1 : 0) + (h.Edge.Start.CenterX != h.Edge.End.CenterX && h.Edge.Start.CenterY != h.Edge.End.CenterY ? 1 : 0));
+        public readonly int Bends => Hops.Sum(h => (h.Node is not Valve && h.Node is not PipeJoin ? 1 : 0) + (h.Edge.Start.CenterX != h.Edge.End.CenterX && h.Edge.Start.CenterY != h.Edge.End.CenterY ? 1 : 0));
         public readonly double Length => Hops.Sum(h => Math.Abs(h.Edge.Start.CenterX - h.Edge.End.CenterX) + Math.Abs(h.Edge.Start.CenterY - h.Edge.End.CenterY));
     }
 }

PamhagenSysCtrl/Helpers/Pipeline/Pipe.cs

@@ -15,6 +15,13 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
         public (bool TowardEnd, double PathOffset)? Flow { get; set; }
         public double FlowLength => _flowArrows?.Length ?? 0;
 
+        public double X1 => Start.CenterX;
+        public double Y1 => Start.CenterY;
+        public double X2 => Orientation ? Start.CenterX : End.CenterX;
+        public double Y2 => Orientation ? End.CenterY : Start.CenterY;
+        public double X3 => End.CenterX;
+        public double Y3 => End.CenterY;
+
         private Polyline? _outer;
         private Polyline? _inner;
         private TextBlock? _text;
@@ -31,23 +38,13 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
         }
 
         public void Draw(Canvas canvas) {
-            var x1 = Start.CenterX;
-            var y1 = Start.CenterY;
-            var x2 = Orientation ? Start.CenterX : End.CenterX;
-            var y2 = Orientation ? End.CenterY : Start.CenterY;
-            var x3 = End.CenterX;
-            var y3 = End.CenterY;
             _outer = new Polyline() {
-                Points = [new(x1, y1), new(x2, y2), new(x3, y3)],
-                StrokeThickness = 10,
                 Stroke = Brushes.Black,
                 StrokeStartLineCap = PenLineCap.Round,
                 StrokeEndLineCap = PenLineCap.Round,
                 StrokeLineJoin = PenLineJoin.Round,
             };
             _inner = new Polyline() {
-                Points = [new(x1, y1), new(x2, y2), new(x3, y3)],
-                StrokeThickness = 6,
                 Stroke = Brushes.DarkGray,
                 StrokeStartLineCap = PenLineCap.Round,
                 StrokeEndLineCap = PenLineCap.Round,
@@ -58,18 +55,26 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
             if (Label != null) {
                 _text = new() {
                     Text = Label,
-                    FontSize = 12,
-                    Width = 50,
                     TextAlignment = TextAlignment.Center,
                     VerticalAlignment = VerticalAlignment.Bottom,
                     HorizontalAlignment = HorizontalAlignment.Center,
                     SnapsToDevicePixels = true,
                 };
-                _text.SetValue(Canvas.LeftProperty, _textOffsetX != null ? (Orientation ? x2 : x1) + _textOffsetX : (Orientation ? (x2 + x3) / 2 : (x1 + x2) / 2) - 25);
-                _text.SetValue(Canvas.TopProperty, y2 - 22);
                 canvas.Children.Add(_text);
             }
-            _flowArrows = FlowArrows.Create(canvas, _inner);
+            _flowArrows = FlowArrows.Create(canvas, [new(X1, Y1), new(X2, Y2), new(X3, Y3)]);
+        }
+
+        public void Scale(double scale) {
+            var border = Graph.ToBorder(scale);
+            _outer?.Points = [Graph.ToPx(X1, Y1, scale), Graph.ToPx(X2, Y2, scale), Graph.ToPx(X3, Y3, scale)];
+            _inner?.Points = [Graph.ToPx(X1, Y1, scale), Graph.ToPx(X2, Y2, scale), Graph.ToPx(X3, Y3, scale)];
+            _inner?.StrokeThickness = Math.Round(1.2 * scale / 2) * 2;
+            _outer?.StrokeThickness = Math.Round(1.2 * scale / 2) * 2 + border * 2;
+            _text?.FontSize = 12;
+            _text?.Width = 10 * scale;
+            Graph.SetPos(_text, _textOffsetX != null ? (Orientation ? X2 : X1) + _textOffsetX.Value : (Orientation ? (X2 + X3) / 2 : (X1 + X2) / 2) - 5, Y2 - 1.4, scale, dypx: -16);
+            _flowArrows?.Scale(scale);
         }
 
         public void Update() {

PamhagenSysCtrl/Helpers/Pipeline/PipeJoin.cs

@@ -6,8 +6,8 @@ using System.Windows.Shapes;
 namespace PamhagenSysCtrl.Helpers.Pipeline {
     public class PipeJoin : INode {
 
-        public const double SIZE = 18;
-        public const double POINT = 4;
+        public const double SIZE = 3.6;
+        public const double POINT = 0.8;
 
         public double CenterX { get; set; }
         public double CenterY { get; set; }
@@ -16,7 +16,7 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
         public ISet<IEdge> Inputs { get; init; }
         public ISet<IEdge> Outputs { get; init; }
 
-        private Shape? _rect;
+        private Polygon? _rect;
 
         public PipeJoin(double x, double y) {
             CenterX = x;
@@ -26,14 +26,22 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
         }
 
         public void Draw(Canvas canvas) {
-            var it =  Inputs.Any(e => (e.Start.CenterY < CenterY && (!e.Orientation || e.Start.CenterX == CenterX)) || (e.IsTwoWay && e.End.CenterY   < CenterY && (!e.Orientation || e.End.CenterX   == CenterX)));
-            var ot = Outputs.Any(e => (e.End.CenterY   < CenterY && ( e.Orientation || e.End.CenterX   == CenterX)) || (e.IsTwoWay && e.Start.CenterY < CenterY && ( e.Orientation || e.Start.CenterX == CenterX)));
-            var ir =  Inputs.Any(e => (e.Start.CenterX > CenterX && ( e.Orientation || e.Start.CenterY == CenterY)) || (e.IsTwoWay && e.End.CenterX   > CenterX && ( e.Orientation || e.End.CenterY   == CenterY)));
-            var or = Outputs.Any(e => (e.End.CenterX   > CenterX && (!e.Orientation || e.End.CenterY   == CenterY)) || (e.IsTwoWay && e.Start.CenterX > CenterX && (!e.Orientation || e.Start.CenterY == CenterY)));
-            var ib =  Inputs.Any(e => (e.Start.CenterY > CenterY && (!e.Orientation || e.Start.CenterX == CenterX)) || (e.IsTwoWay && e.End.CenterY   > CenterY && (!e.Orientation || e.End.CenterX   == CenterX)));
-            var ob = Outputs.Any(e => (e.End.CenterY   > CenterY && ( e.Orientation || e.End.CenterX   == CenterX)) || (e.IsTwoWay && e.Start.CenterY > CenterY && ( e.Orientation || e.Start.CenterX == CenterX)));
-            var il =  Inputs.Any(e => (e.Start.CenterX < CenterX && ( e.Orientation || e.Start.CenterY == CenterY)) || (e.IsTwoWay && e.End.CenterX   < CenterX && ( e.Orientation || e.End.CenterY   == CenterY)));
-            var ol = Outputs.Any(e => (e.End.CenterX   < CenterX && (!e.Orientation || e.End.CenterY   == CenterY)) || (e.IsTwoWay && e.Start.CenterX < CenterX && (!e.Orientation || e.Start.CenterY == CenterY)));
+            _rect = new Polygon() {
+                Fill = Brushes.Black,
+                Stroke = Brushes.Black,
+            };
+            canvas.Children.Add(_rect);
+        }
+
+        public void Scale(double scale) {
+            var it = Inputs.Any(e => (e.Start.CenterY < CenterY && (!e.Orientation || e.Start.CenterX == CenterX)) || (e.IsTwoWay && e.End.CenterY < CenterY && (!e.Orientation || e.End.CenterX == CenterX)));
+            var ot = Outputs.Any(e => (e.End.CenterY < CenterY && (e.Orientation || e.End.CenterX == CenterX)) || (e.IsTwoWay && e.Start.CenterY < CenterY && (e.Orientation || e.Start.CenterX == CenterX)));
+            var ir = Inputs.Any(e => (e.Start.CenterX > CenterX && (e.Orientation || e.Start.CenterY == CenterY)) || (e.IsTwoWay && e.End.CenterX > CenterX && (e.Orientation || e.End.CenterY == CenterY)));
+            var or = Outputs.Any(e => (e.End.CenterX > CenterX && (!e.Orientation || e.End.CenterY == CenterY)) || (e.IsTwoWay && e.Start.CenterX > CenterX && (!e.Orientation || e.Start.CenterY == CenterY)));
+            var ib = Inputs.Any(e => (e.Start.CenterY > CenterY && (!e.Orientation || e.Start.CenterX == CenterX)) || (e.IsTwoWay && e.End.CenterY > CenterY && (!e.Orientation || e.End.CenterX == CenterX)));
+            var ob = Outputs.Any(e => (e.End.CenterY > CenterY && (e.Orientation || e.End.CenterX == CenterX)) || (e.IsTwoWay && e.Start.CenterY > CenterY && (e.Orientation || e.Start.CenterX == CenterX)));
+            var il = Inputs.Any(e => (e.Start.CenterX < CenterX && (e.Orientation || e.Start.CenterY == CenterY)) || (e.IsTwoWay && e.End.CenterX < CenterX && (e.Orientation || e.End.CenterY == CenterY)));
+            var ol = Outputs.Any(e => (e.End.CenterX < CenterX && (!e.Orientation || e.End.CenterY == CenterY)) || (e.IsTwoWay && e.Start.CenterX < CenterX && (!e.Orientation || e.Start.CenterY == CenterY)));
 
             var points = new List<Point> {
                 new(0, 0)
@@ -70,15 +78,10 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
                 points.AddRange([new(0, SIZE / 2 + POINT), new(POINT, SIZE / 2), new(0, SIZE / 2 - POINT)]);
             }
 
-            _rect = new Polygon() {
-                Points = [..points],
-                Fill = Brushes.Black,
-                Stroke = Brushes.Black,
-                StrokeThickness = 2,
-            };
-            _rect.SetValue(Canvas.LeftProperty, CenterX - SIZE / 2);
-            _rect.SetValue(Canvas.TopProperty, CenterY - SIZE / 2);
-            canvas.Children.Add(_rect);
+            _rect?.Points = [.. points.Select(p => new Point(p.X * scale, p.Y * scale))];
+            _rect?.StrokeThickness = 2;
+            _rect?.SetValue(Canvas.LeftProperty, (CenterX - SIZE / 2) * scale);
+            _rect?.SetValue(Canvas.TopProperty, (CenterY - SIZE / 2) * scale);
         }
 
         public bool IsInside(double x, double y) {

PamhagenSysCtrl/Helpers/Pipeline/Press.cs

@@ -1,13 +1,12 @@
 using System.Windows;
 using System.Windows.Controls;
 using System.Windows.Media;
-using System.Windows.Media.Media3D;
 using System.Windows.Shapes;
 
 namespace PamhagenSysCtrl.Helpers.Pipeline {
     public class Press : INode, ISink {
 
-        public const double DIAMETER = 120;
+        public const double DIAMETER = 24;
 
         public double CenterX { get; set; }
         public double CenterY { get; set; }
@@ -24,8 +23,8 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
 
         protected Func<FillState> CallbackFillState;
 
-        private Shape? _frame;
-        private Shape? _circle;
+        private Polygon? _frame;
+        private Ellipse? _circle;
         private TextBlock? _text;
 
         public Press(string label, double x, double y, int capacityLiters, Func<FillState> cbFillState) {
@@ -40,39 +39,40 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
 
         public void Draw(Canvas canvas) {
             _circle = new Ellipse() {
-                Width = DIAMETER,
-                Height = DIAMETER,
                 Stroke = Brushes.Black,
-                StrokeThickness = 2,
                 Fill = Brushes.WhiteSmoke,
             };
             _frame = new Polygon() {
-                Points = [
-                    new(CenterX - DIAMETER / 2 - 10, CenterY), new(CenterX + DIAMETER / 2 + 10, CenterY),
-                    new(CenterX + DIAMETER / 2 + 10, CenterY + DIAMETER / 2 + 30), new(CenterX + DIAMETER / 2 - 20, CenterY + DIAMETER / 2 + 30),
-                    new(CenterX + DIAMETER / 2 - 20, CenterY + DIAMETER / 2 + 10), new(CenterX - DIAMETER / 2 + 20, CenterY + DIAMETER / 2 + 10),
-                    new(CenterX - DIAMETER / 2 + 20, CenterY + DIAMETER / 2 + 30), new(CenterX - DIAMETER / 2 - 10, CenterY + DIAMETER / 2 + 30)
-                ],
                 Stroke = Brushes.Black,
-                StrokeThickness = 2,
                 Fill = Brushes.WhiteSmoke,
             };
             _text = new() {
                 Text = CapacityLiters.HasValue ? $"{Label}\n{CapacityLiters:N0}"  : Label,
-                FontSize = 14,
-                Width = DIAMETER,
                 TextAlignment = TextAlignment.Center,
                 VerticalAlignment = VerticalAlignment.Center,
             };
-            _circle.SetValue(Canvas.LeftProperty, CenterX - DIAMETER / 2);
-            _circle.SetValue(Canvas.TopProperty, CenterY - DIAMETER / 2);
-            _text.SetValue(Canvas.LeftProperty, CenterX - DIAMETER / 2);
-            _text.SetValue(Canvas.TopProperty, CenterY - (CapacityLiters.HasValue ? 20 : 10));
             canvas.Children.Add(_frame);
             canvas.Children.Add(_circle);
             canvas.Children.Add(_text);
         }
 
+        public void Scale(double scale) {
+            var border = Graph.ToBorder(scale);
+            _circle?.StrokeThickness = border;
+            Graph.SetCenter(_circle, CenterX, CenterY, DIAMETER, DIAMETER, scale);
+            _frame?.Points = [
+                Graph.ToPx(CenterX - DIAMETER / 2 - 2, CenterY, scale), Graph.ToPx(CenterX + DIAMETER / 2 + 2, CenterY, scale),
+                Graph.ToPx(CenterX + DIAMETER / 2 + 2, CenterY + DIAMETER / 2 + 6, scale), Graph.ToPx(CenterX + DIAMETER / 2 - 4, CenterY + DIAMETER / 2 + 6, scale),
+                Graph.ToPx(CenterX + DIAMETER / 2 - 4, CenterY + DIAMETER / 2 + 2, scale), Graph.ToPx(CenterX - DIAMETER / 2 + 4, CenterY + DIAMETER / 2 + 2, scale),
+                Graph.ToPx(CenterX - DIAMETER / 2 + 4, CenterY + DIAMETER / 2 + 6, scale), Graph.ToPx(CenterX - DIAMETER / 2 - 2, CenterY + DIAMETER / 2 + 6, scale),
+            ];
+            _frame?.StrokeThickness = border;
+            _text?.FontSize = 14;
+            _text?.Width = DIAMETER * scale;
+            _text?.SetValue(Canvas.LeftProperty, (CenterX - DIAMETER / 2) * scale);
+            _text?.SetValue(Canvas.TopProperty, (CenterY * scale) - (CapacityLiters.HasValue ? 20 : 10));
+        }
+
         public bool IsInside(double x, double y) {
             return Math.Sqrt(Math.Pow(CenterX - x, 2) + Math.Pow(CenterY - y, 2)) <= DIAMETER / 2 || (Math.Abs(x - CenterX) <= DIAMETER / 2 + 10 && y >= CenterY && y <= CenterY + DIAMETER / 2 + 30);
         }

PamhagenSysCtrl/Helpers/Pipeline/Pump.cs

@@ -6,7 +6,7 @@ using System.Windows.Shapes;
 namespace PamhagenSysCtrl.Helpers.Pipeline {
     public class Pump : INode {
 
-        public const double DIAMETER = 24;
+        public const double DIAMETER = 4.8;
 
         public double CenterX { get; set; }
         public double CenterY { get; set; }
@@ -25,8 +25,8 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
         protected Func<bool> CallbackClearance;
         protected Func<Pump, bool> CallbackSelected;
 
-        private Shape? _circle;
-        private Shape? _triangle;
+        private Ellipse? _circle;
+        private Polygon? _triangle;
         private TextBlock? _text;
 
         public Pump(string label, double x, double y, Func<MotorState> cbState, Func<bool> cbClearance, Func<Pump, bool> cbSelected) {
@@ -42,35 +42,40 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
 
         public void Draw(Canvas canvas) {
             _circle = new Ellipse() {
-                Height = DIAMETER,
-                Width = DIAMETER,
                 Fill = Brushes.WhiteSmoke,
                 Stroke = Brushes.Black,
-                StrokeThickness = 2,
             };
-            var dx = Math.Cos(Math.PI / 6) * (DIAMETER / 2 - 2);
-            var dy = Math.Sin(Math.PI / 6) * (DIAMETER / 2 - 2);
             _triangle = new Polygon() {
-                Points = [new(CenterX - dx, CenterY - dy), new(CenterX + dx, CenterY - dy), new(CenterX, CenterY + DIAMETER / 2 - 2)],
                 Fill = Brushes.Transparent,
                 Stroke = Brushes.Black,
-                StrokeThickness = 2,
             };
             _text = new() {
                 Text = Label,
-                FontSize = 14,
                 TextAlignment = TextAlignment.Left,
                 VerticalAlignment = VerticalAlignment.Center,
             };
-            _circle.SetValue(Canvas.LeftProperty, CenterX - DIAMETER / 2);
-            _circle.SetValue(Canvas.TopProperty, CenterY - DIAMETER / 2);
-            _text.SetValue(Canvas.LeftProperty, CenterX + DIAMETER / 2 + 2);
-            _text.SetValue(Canvas.TopProperty, CenterY - 10);
             canvas.Children.Add(_circle);
             canvas.Children.Add(_triangle);
             canvas.Children.Add(_text);
         }
 
+        public void Scale(double scale) {
+            var border = Graph.ToBorder(scale);
+            _circle?.StrokeThickness = border;
+            Graph.SetCenter(_circle, CenterX, CenterY, DIAMETER, DIAMETER, scale);
+            var dx = Math.Cos(Math.PI / 6) * (DIAMETER / 2);
+            var dy = Math.Sin(Math.PI / 6) * (DIAMETER / 2);
+            _triangle?.Points = [
+                Graph.ToPx(CenterX - dx, CenterY - dy, scale, dxpx: border, dypx: border / 2, round: false),
+                Graph.ToPx(CenterX + dx, CenterY - dy, scale, dxpx: -border, dypx: border / 2, round: false),
+                Graph.ToPx(CenterX, CenterY + DIAMETER / 2, scale, dypx: -border, round: false),
+            ];
+            _triangle?.StrokeThickness = border;
+            _text?.FontSize = 14;
+            _text?.SetValue(Canvas.LeftProperty, (CenterX + DIAMETER / 2) * scale + 2);
+            _text?.SetValue(Canvas.TopProperty, CenterY * scale - 10);
+        }
+
         public bool IsInside(double x, double y) {
             return Math.Sqrt(Math.Pow(CenterX - x, 2) + Math.Pow(CenterY - y, 2)) <= DIAMETER / 2;
         }

PamhagenSysCtrl/Helpers/Pipeline/Rebler.cs

@@ -6,8 +6,8 @@ using System.Windows.Shapes;
 namespace PamhagenSysCtrl.Helpers.Pipeline {
     public class Rebler : INode {
 
-        public const double WIDTH = 120;
-        public const double HEIGHT = 60;
+        public const double WIDTH = 24;
+        public const double HEIGHT = 12;
 
         public double CenterX { get; set; }
         public double CenterY { get; set; }
@@ -20,11 +20,11 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
         protected Func<bool> CallbackActive;
 
         private TextBlock? _text;
-        private Shape? _rect;
-        private Shape? _hopperOuter;
-        private Shape? _hopperInner;
-        private Shape? _bottomInner;
-        private Shape? _bottomOuter;
+        private Rectangle? _rect;
+        private Polygon? _hopperOuter;
+        private Polygon? _hopperInner;
+        private Polygon? _bottomInner;
+        private Polygon? _bottomOuter;
 
         public Rebler(string label, double x, double y, Func<bool> cbActive) {
             CenterX = x;
@@ -37,54 +37,58 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
 
         public void Draw(Canvas canvas) {
             _rect = new Rectangle() {
-                Width = WIDTH,
-                Height = HEIGHT,
                 Fill = Brushes.WhiteSmoke,
                 Stroke = Brushes.Black,
                 StrokeThickness = 2,
             };
-            var left = CenterX - WIDTH / 2;
-            var right = CenterX + WIDTH / 2;
-            var top = CenterY - HEIGHT / 2;
-            var bottom = CenterY + HEIGHT / 2;
-            var hx = right - 20;
-            var h = 15;
-            var w = 25;
             _hopperOuter = new Polygon() {
-                Points = [new(hx - w, top - h), new(hx - w + 5, top + 2), new(hx + w - 5, top + 2), new(hx + w, top - h)],
                 Fill = Brushes.Black,
             };
             _hopperInner = new Polygon() {
-                Points = [new(hx - w + 2, top - h), new(hx - w + 5 + 2, top + 2), new(hx + w - 5 - 2, top + 2), new(hx + w - 2, top - h)],
                 Fill = Brushes.WhiteSmoke,
             };
             _bottomOuter = new Polygon() {
-                Points = [new(left + 20, bottom), new(right - 20, bottom), new(right - 15, bottom + 10), new(left + 15, bottom + 10)],
                 Fill = Brushes.Black,
             };
             _bottomInner = new Polygon() {
-                Points = [new(left + 20 + 2, bottom), new(right - 20 - 2, bottom), new(right - 15 - 2, bottom + 10), new(left + 15 + 2, bottom + 10)],
                 Fill = Brushes.WhiteSmoke,
             };
             _text = new() {
                 Text = Label,
-                FontSize = 12,
-                Width = WIDTH,
                 TextAlignment = TextAlignment.Center,
                 VerticalAlignment = VerticalAlignment.Center,
             };
-            _rect.SetValue(Canvas.LeftProperty, CenterX - WIDTH / 2);
-            _rect.SetValue(Canvas.TopProperty, CenterY - HEIGHT / 2);
-            _text.SetValue(Canvas.LeftProperty, CenterX - WIDTH / 2);
-            _text.SetValue(Canvas.TopProperty, CenterY - 8);
             canvas.Children.Add(_hopperOuter);
             canvas.Children.Add(_bottomOuter);
+            canvas.Children.Add(_bottomInner);
             canvas.Children.Add(_rect);
             canvas.Children.Add(_hopperInner);
-            canvas.Children.Add(_bottomInner);
             canvas.Children.Add(_text);
         }
 
+        public void Scale(double scale) {
+            var border = Graph.ToBorder(scale);
+            Graph.SetCenter(_rect, CenterX, CenterY, WIDTH, HEIGHT, scale);
+            _rect?.StrokeThickness = border;
+
+            var left = CenterX - WIDTH / 2;
+            var right = CenterX + WIDTH / 2;
+            var top = CenterY - HEIGHT / 2;
+            var bottom = CenterY + HEIGHT / 2;
+            var hx = right - 4;
+            var h = 3;
+            var w = 5;
+            _hopperOuter?.Points = [Graph.ToPx(hx - w, top - h, scale), Graph.ToPx(hx - w + 1, top, scale, dypx: border), Graph.ToPx(hx + w - 1, top, scale, dypx: border), Graph.ToPx(hx + w, top - h, scale)];
+            _hopperInner?.Points = [Graph.ToPx(hx - w, top - h, scale, dxpx: border), Graph.ToPx(hx - w + 1, top, scale, dxpx: border, dypx: border), Graph.ToPx(hx + w - 1, top, scale, dxpx: -border, dypx: border), Graph.ToPx(hx + w, top - h, scale, dxpx: -border)];
+            _bottomOuter?.Points = [Graph.ToPx(left + 5, bottom - 1, scale), Graph.ToPx(right - 5, bottom - 1, scale), Graph.ToPx(right - 3, bottom + 2, scale), Graph.ToPx(left + 3, bottom + 2, scale)];
+            _bottomInner?.Points = [Graph.ToPx(left + 5, bottom - 1, scale, dxpx: border), Graph.ToPx(right - 5, bottom - 1, scale, dxpx: -border), Graph.ToPx(right - 3, bottom + 2, scale, dxpx: -border), Graph.ToPx(left + 3, bottom + 2, scale, dxpx: border)];
+
+            _text?.FontSize = 12;
+            _text?.Width = WIDTH * scale;
+            _text?.SetValue(Canvas.LeftProperty, (CenterX - WIDTH / 2) * scale);
+            _text?.SetValue(Canvas.TopProperty, (CenterY * scale) - 8);
+        }
+
         public bool IsInside(double x, double y) {
             return Math.Abs(x - CenterX) <= WIDTH / 2 && Math.Abs(y - CenterY) <= HEIGHT / 2;
         }

PamhagenSysCtrl/Helpers/Pipeline/Switcher.cs

@@ -6,8 +6,8 @@ using System.Windows.Shapes;
 namespace PamhagenSysCtrl.Helpers.Pipeline {
     public class Switcher : INode {
 
-        public const double WIDTH = 100;
-        public const double HEIGHT = 50;
+        public const double WIDTH = 20;
+        public const double HEIGHT = 10;
 
         public double CenterX { get; set; }
         public double CenterY { get; set; }
@@ -34,21 +34,15 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
         }
 
         public void Draw(Canvas canvas) {
-            _mainTransform = new RotateTransform(0, CenterX, CenterY);
-            _shadowTransform = new RotateTransform(0, CenterX, CenterY);
+            _mainTransform = new RotateTransform(0);
+            _shadowTransform = new RotateTransform(0);
             _main = new Line() {
-                X1 = CenterX - WIDTH / 2, Y1 = CenterY,
-                X2 = CenterX + WIDTH / 2, Y2 = CenterY,
-                StrokeThickness = 5,
                 Stroke = Brushes.Black,
                 StrokeStartLineCap = PenLineCap.Square,
                 StrokeEndLineCap = PenLineCap.Square,
                 RenderTransform = _mainTransform,
             };
             _shadow = new Line() {
-                X1 = CenterX - WIDTH / 2, Y1 = CenterY,
-                X2 = CenterX + WIDTH / 2, Y2 = CenterY,
-                StrokeThickness = 5,
                 Stroke = Brushes.DarkGray,
                 StrokeStartLineCap = PenLineCap.Square,
                 StrokeEndLineCap = PenLineCap.Square,
@@ -58,6 +52,25 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
             canvas.Children.Add(_main);
         }
 
+        public void Scale(double scale) {
+            _mainTransform?.CenterX = CenterX * scale;
+            _mainTransform?.CenterY = CenterY * scale;
+            _shadowTransform?.CenterX = CenterX * scale;
+            _shadowTransform?.CenterY = CenterY * scale;
+
+            _main?.X1 = (CenterX - WIDTH / 2) * scale;
+            _main?.Y1 = CenterY * scale;
+            _main?.X2 = (CenterX + WIDTH / 2) * scale;
+            _main?.Y2 = CenterY * scale;
+            _main?.StrokeThickness = 1 * scale;
+
+            _shadow?.X1 = (CenterX - WIDTH / 2) * scale;
+            _shadow?.Y1 = CenterY * scale;
+            _shadow?.X2 = (CenterX + WIDTH / 2) * scale;
+            _shadow?.Y2 = CenterY * scale;
+            _shadow?.StrokeThickness = 1 * scale;
+        }
+
         public bool IsInside(double x, double y) {
             return Math.Abs(x - CenterX) <= WIDTH / 2 && Math.Abs(y - CenterY) <= HEIGHT / 2;
         }

PamhagenSysCtrl/Helpers/Pipeline/Tank.cs

@@ -6,8 +6,8 @@ using System.Windows.Shapes;
 namespace PamhagenSysCtrl.Helpers.Pipeline {
     public class Tank : INode, ISink, ISource {
 
-        public const double WIDTH = 60;
-        public const double HEIGHT = 100;
+        public const double WIDTH = 12;
+        public const double HEIGHT = 20;
 
         public double CenterX { get; set; }
         public double CenterY { get; set; }
@@ -40,27 +40,31 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
 
         public void Draw(Canvas canvas) {
             _rect = new Rectangle() {
-                Width = WIDTH,
-                Height = HEIGHT,
                 Stroke = Brushes.Black,
-                StrokeThickness = 2,
                 Fill = Brushes.WhiteSmoke,
             };
             _text = new() {
                 Text = CapacityLiters.HasValue ? $"{Label}\n{CapacityLiters:N0}" : Label,
-                FontSize = 12,
-                Width = WIDTH,
                 TextAlignment = TextAlignment.Center,
                 VerticalAlignment = VerticalAlignment.Center,
             };
-            _rect.SetValue(Canvas.LeftProperty, CenterX - WIDTH / 2);
-            _rect.SetValue(Canvas.TopProperty, CenterY - HEIGHT / 2);
-            _text.SetValue(Canvas.LeftProperty, CenterX - WIDTH / 2);
-            _text.SetValue(Canvas.TopProperty, CenterY - (CapacityLiters.HasValue ? 16 : 8));
             canvas.Children.Add(_rect);
             canvas.Children.Add(_text);
         }
 
+        public void Scale(double scale) {
+            var border = Graph.ToBorder(scale);
+            _rect?.Height = Graph.ToPx(HEIGHT, scale);
+            _rect?.Width = Graph.ToPx(WIDTH, scale);
+            _rect?.StrokeThickness = border;
+            _rect?.SetValue(Canvas.LeftProperty, (CenterX - WIDTH / 2) * scale);
+            _rect?.SetValue(Canvas.TopProperty, (CenterY - HEIGHT / 2) * scale);
+            _text?.Width = Graph.ToPx(WIDTH, scale);
+            _text?.FontSize = 12;
+            _text?.SetValue(Canvas.LeftProperty, (CenterX - WIDTH / 2) * scale);
+            _text?.SetValue(Canvas.TopProperty, (CenterY * scale) - (CapacityLiters.HasValue ? 16 : 8));
+        }
+
         public bool IsInside(double x, double y) {
             return Math.Abs(x - CenterX) <= WIDTH / 2 && Math.Abs(y - CenterY) <= HEIGHT / 2;
         }

PamhagenSysCtrl/Helpers/Pipeline/Trough.cs

@@ -6,8 +6,8 @@ using System.Windows.Shapes;
 namespace PamhagenSysCtrl.Helpers.Pipeline {
     public class Trough : INode, ISource {
 
-        public const double WIDTH = 100;
-        public const double HEIGHT = 60;
+        public const double WIDTH = 20;
+        public const double HEIGHT = 12;
 
         public double CenterX { get; set; }
         public double CenterY { get; set; }
@@ -35,33 +35,37 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
 
         public void Draw(Canvas canvas) {
             _outer = new Rectangle() {
-                Width = WIDTH,
-                Height = HEIGHT,
                 Fill = Brushes.Black,
             };
             _inner = new Rectangle() {
-                Width = WIDTH - 4,
-                Height = HEIGHT - 2,
                 Fill = Brushes.WhiteSmoke,
             };
             _text = new() {
                 Text = Label,
-                FontSize = 14,
-                Width = WIDTH,
                 TextAlignment = TextAlignment.Center,
                 VerticalAlignment = VerticalAlignment.Center,
             };
-            _outer.SetValue(Canvas.LeftProperty, CenterX - WIDTH / 2);
-            _outer.SetValue(Canvas.TopProperty, CenterY - HEIGHT / 2);
-            _inner.SetValue(Canvas.LeftProperty, CenterX - WIDTH / 2 + 2);
-            _inner.SetValue(Canvas.TopProperty, CenterY - HEIGHT / 2);
-            _text.SetValue(Canvas.LeftProperty, CenterX - WIDTH / 2);
-            _text.SetValue(Canvas.TopProperty, CenterY - 10);
             canvas.Children.Add(_outer);
             canvas.Children.Add(_inner);
             canvas.Children.Add(_text);
         }
 
+        public void Scale(double scale) {
+            var border = Graph.ToBorder(scale);
+            _outer?.Width = WIDTH * scale;
+            _outer?.Height = HEIGHT * scale;
+            _inner?.Width = WIDTH * scale - border * 2;
+            _inner?.Height = HEIGHT * scale - border;
+            _text?.Width = WIDTH * scale;
+            _text?.FontSize = 14;
+            _outer?.SetValue(Canvas.LeftProperty, (CenterX - WIDTH / 2) * scale);
+            _outer?.SetValue(Canvas.TopProperty, (CenterY - HEIGHT / 2) * scale);
+            _inner?.SetValue(Canvas.LeftProperty, (CenterX - WIDTH / 2) * scale + border);
+            _inner?.SetValue(Canvas.TopProperty, (CenterY - HEIGHT / 2) * scale);
+            _text?.SetValue(Canvas.LeftProperty, (CenterX - WIDTH / 2) * scale);
+            _text?.SetValue(Canvas.TopProperty, (CenterY * scale) - 10);
+        }
+
         public bool IsInside(double x, double y) {
             return Math.Abs(x - CenterX) <= WIDTH / 2 && Math.Abs(y - CenterY) <= HEIGHT / 2;
         }

PamhagenSysCtrl/Helpers/Pipeline/Valve.cs

@@ -6,7 +6,7 @@ using System.Windows.Shapes;
 namespace PamhagenSysCtrl.Helpers.Pipeline {
     public class Valve : INode {
 
-        public const double DIAMETER = 24;
+        public const double DIAMETER = 4.8;
 
         public double CenterX { get; set; }
         public double CenterY { get; set; }
@@ -14,7 +14,9 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
         public string Label => $"V{Nr}";
         public Brush? Highlight { get; set; }
 
-        public bool IsLocked { get; set; }
+        public readonly ISet<Path> LockedForPaths = new HashSet<Path>();
+
+        public bool IsLocked => LockedForPaths.Any();
         public bool IsOpen => CallbackIsOpen();
         public bool WantOpen => CallbackWantOpen(this);
         public ISet<IEdge> Inputs { get; init; }
@@ -38,29 +40,30 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
 
         public void Draw(Canvas canvas) {
             _circle = new Ellipse() {
-                Height = DIAMETER,
-                Width = DIAMETER,
                 Fill = Brushes.DarkGray,
                 Stroke = Brushes.Black,
-                StrokeThickness = 2,
             };
-            _circle.SetValue(Canvas.LeftProperty, CenterX - DIAMETER / 2);
-            _circle.SetValue(Canvas.TopProperty, CenterY - DIAMETER / 2);
             _text = new() {
                 Text = Label,
-                FontSize = 10,
-                Width = DIAMETER,
-                Height = DIAMETER,
                 TextAlignment = TextAlignment.Center,
                 VerticalAlignment = VerticalAlignment.Center,
                 SnapsToDevicePixels = true,
             };
-            _text.SetValue(Canvas.LeftProperty, CenterX - DIAMETER / 2 + 0.5);
-            _text.SetValue(Canvas.TopProperty, CenterY - DIAMETER / 2 + 5.5);
             canvas.Children.Add(_circle);
             canvas.Children.Add(_text);
         }
 
+        public void Scale(double scale) {
+            var border = Graph.ToBorder(scale);
+            Graph.SetCenter(_circle, CenterX, CenterY, DIAMETER, DIAMETER, scale);
+            _circle?.StrokeThickness = border;
+            _text?.Width = DIAMETER * scale;
+            _text?.Height = DIAMETER * scale;
+            _text?.FontSize = 2 * scale;
+            _text?.SetValue(Canvas.LeftProperty, (CenterX - DIAMETER / 2 + 0.1) * scale);
+            _text?.SetValue(Canvas.TopProperty, (CenterY - DIAMETER / 2 + 1.1) * scale);
+        }
+
         public bool IsInside(double x, double y) {
             return Math.Sqrt(Math.Pow(CenterX - x, 2) + Math.Pow(CenterY - y, 2)) <= DIAMETER / 2;
         }

PamhagenSysCtrl/Helpers/UpdateService.cs

@@ -0,0 +1,77 @@
+using System.Diagnostics;
+using System.IO;
+using System.Net.Http;
+using System.Text.Json.Nodes;
+
+namespace PamhagenSysCtrl.Helpers {
+    public static class UpdateService {
+
+        public static async Task<(string Version, string Url, long Size)?> GetLatestInstallerUrl(string feedUrl) {
+            try {
+                using var client = new HttpClient() {
+                    Timeout = TimeSpan.FromSeconds(5),
+                };
+                client.DefaultRequestHeaders.UserAgent.Clear();
+                client.DefaultRequestHeaders.UserAgent.ParseAdd($"PamhagenSysCtrl/{App.Version} ({Environment.MachineName}, {Environment.OSVersion})");
+                client.DefaultRequestHeaders.Accept.Clear();
+                client.DefaultRequestHeaders.Accept.Add(new("application/json"));
+                using var res = await client.GetAsync(feedUrl);
+                if (!res.IsSuccessStatusCode)
+                    return null;
+
+                var json = JsonNode.Parse(await res.Content.ReadAsStringAsync());
+                var latest = json!["data"]!.AsArray()[^1]!;
+                return ((string)latest["version"]!, (string)latest["url"]!, (long)latest["size"]!);
+            } catch {
+                return null;
+            }
+        }
+
+        public static async Task DownloadInstaller(string url, string filename, IProgress<double>? progress = null, CancellationToken cancellationToken = default) {
+            try {
+                using var client = new HttpClient() {
+                    Timeout = TimeSpan.FromSeconds(5),
+                };
+                client.DefaultRequestHeaders.UserAgent.Clear();
+                client.DefaultRequestHeaders.UserAgent.ParseAdd($"PamhagenSysCtrl/{App.Version} ({Environment.MachineName}, {Environment.OSVersion})");
+                client.DefaultRequestHeaders.Accept.Clear();
+                using var response = await client.GetAsync(url, HttpCompletionOption.ResponseHeadersRead, cancellationToken);
+                response.EnsureSuccessStatusCode();
+                var contentLength = response.Content.Headers.ContentLength;
+
+                await using (var destination = new FileStream(filename, FileMode.Create)) {
+                    await using var source = await response.Content.ReadAsStreamAsync(cancellationToken);
+                    var buffer = new byte[81920];
+                    long downloaded = 0;
+                    int read;
+                    while ((read = await source.ReadAsync(buffer, cancellationToken)) != 0) {
+                        await destination.WriteAsync(buffer.AsMemory(0, read), cancellationToken);
+                        downloaded += read;
+                        if (contentLength.HasValue) {
+                            progress?.Report((double)downloaded / contentLength.Value);
+                        }
+                    }
+                }
+
+                progress?.Report(1);
+            } catch {
+                File.Delete(filename);
+                throw;
+            }
+        }
+
+        public static void StartInstaller(string fileName) {
+            var startInfo = new ProcessStartInfo {
+                FileName = "msiexec.exe",
+                UseShellExecute = true,
+                Verb = "runas",
+            };
+            startInfo.ArgumentList.Add("/i");
+            startInfo.ArgumentList.Add(Path.GetFullPath(fileName));
+
+            if (Process.Start(startInfo) == null) {
+                throw new InvalidOperationException("Der Installer konnte nicht gestartet werden.");
+            }
+        }
+    }
+}

PamhagenSysCtrl/PamhagenSysCtrl.csproj

@@ -3,7 +3,7 @@
   <PropertyGroup>
     <OutputType>WinExe</OutputType>
     <TargetFramework>net10.0-windows</TargetFramework>
-    <Version>0.0.2</Version>
+    <Version>0.0.3</Version>
     <Product>Anlagensteuerung Pamhagen</Product>
     <AssemblyTitle>Anlagensteuerung Pamhagen</AssemblyTitle>
     <AssemblyName>PamhagenSysCtrl</AssemblyName>

PamhagenSysCtrl/Windows/AboutWindow.xaml

@@ -0,0 +1,28 @@
+<Window x:Class="PamhagenSysCtrl.Windows.AboutWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        Title="Über - Anlagensteuerung Pamhagen"
+        Height="340" Width="560" ResizeMode="NoResize"
+        WindowStartupLocation="CenterOwner">
+    <Grid>
+        <TextBlock Margin="20,10" FontSize="12">
+            <Bold>Produkt:</Bold> Anlagensteuerung Pamhagen<LineBreak/>
+            <Bold>Beschreibung:</Bold> Schnittstelle zu einer SPS und grafische Benutzeroberfläche für die<LineBreak/>
+            <Bold Foreground="Transparent">Beschreibung:</Bold> Steuerung der Anlage<LineBreak/>
+            <Bold>Typ:</Bold> HMI- und SPS-Steuerungssoftware<LineBreak/>
+            <Bold>Version:</Bold> <Run x:Name="VersionText">0.0.0</Run><LineBreak/>
+            <Bold>Lizenz:</Bold> <Hyperlink NavigateUri="https://www.gnu.org/licenses/gpl-3.0.html" RequestNavigate="Hyperlink_RequestNavigate">GNU General Public License 3.0 (GPLv3)</Hyperlink><LineBreak/>
+            <Bold>Entwickler:</Bold> Lorenz Stechauner, Thomas Hilscher<LineBreak/>
+            <Bold>Kontakt:</Bold> <Hyperlink NavigateUri="mailto:lorenz.stechauner@necronda.net" RequestNavigate="Hyperlink_RequestNavigate">lorenz.stechauner@necronda.net</Hyperlink>, <Hyperlink NavigateUri="mailto:thomas.hilscher@gmail.com" RequestNavigate="Hyperlink_RequestNavigate">thomas.hilscher@gmail.com</Hyperlink><LineBreak/>
+            <Bold>Quellcode:</Bold> <Hyperlink NavigateUri="C:\Program Files\Anlagensteuerung Pamhagen\src" RequestNavigate="Hyperlink_RequestNavigate_Explorer">C:\Program Files\Anlagensteuerung Pamhagen\src</Hyperlink>,<LineBreak/>
+            <Bold Foreground="Transparent">Quellcode:</Bold> <Hyperlink NavigateUri="https://git.necronda.net/winzer/pamhagen-sysctrl" RequestNavigate="Hyperlink_RequestNavigate">https://git.necronda.net/winzer/pamhagen-sysctrl</Hyperlink><LineBreak/>
+            <Bold>Entwicklungszeitraum:</Bold> 2026<LineBreak/>
+            <LineBreak/>
+            <Bold>Verwendete Technologien:</Bold><LineBreak/>
+            Programmiersprache: C#<LineBreak/>
+            Framework: Windows Presentation Framework (WPF)<LineBreak/>
+            SPS-Schnittstelle: Serielle Verbindung<LineBreak/>
+            Paketierung: <Hyperlink NavigateUri="https://www.firegiant.com/wixtoolset/" RequestNavigate="Hyperlink_RequestNavigate">WiX Toolset</Hyperlink>
+        </TextBlock>
+    </Grid>
+</Window>

PamhagenSysCtrl/Windows/AboutWindow.xaml.cs

@@ -0,0 +1,25 @@
+using System.Diagnostics;
+using System.Windows;
+using System.Windows.Navigation;
+
+namespace PamhagenSysCtrl.Windows {
+    public partial class AboutWindow : Window {
+
+        public AboutWindow() {
+            InitializeComponent();
+            VersionText.Text = App.Version.ToString();
+        }
+
+        private void Hyperlink_RequestNavigate(object sender, RequestNavigateEventArgs evt) {
+            try {
+                Process.Start(new ProcessStartInfo(evt.Uri.AbsoluteUri) { UseShellExecute = true });
+            } catch { }
+        }
+
+        private void Hyperlink_RequestNavigate_Explorer(object sender, RequestNavigateEventArgs evt) {
+            try {
+                Process.Start("explorer.exe", evt.Uri.AbsoluteUri);
+            } catch { }
+        }
+    }
+}

PamhagenSysCtrl/Windows/ManualControlWindow.xaml.cs

@@ -141,7 +141,7 @@ namespace PamhagenSysCtrl {
             Gradation °Oe: {plant.GradationOe:N2}
             Presse Querschnecke: {plant.PresseQuerSchnecke}
             Füllstände:
-              Maischewanne 1: {plant.FillLevelMW1} (ausgewählt: {plant.WantMW1Selected}, Status: {plant.IsMWSelected})
+              Maischewanne 1: {plant.FillLevelMW1} (ausgewählt: {plant.WantMW1Selected}, Status: {plant.IsMW1Selected})
               Maischewanne 2: {plant.FillLevelMW2} (ausgewählt: {plant.WantMW2Selected}, Status: {plant.IsMW2Selected})
               Presse 1: {plant.Press1HasClearance}
               Presse 2: {plant.Press2HasClearance}

PamhagenSysCtrl/Windows/PlantSchemeWindow.xaml

@@ -5,7 +5,9 @@
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
         xmlns:local="clr-namespace:PamhagenSysCtrl.Windows"
         Closed="OnClosed"
-        Title="Anlagensteuerung Pamhagen" Height="950" Width="1600" MinWidth="1500" MinHeight="950">
+        SizeChanged="OnSizeChanged"
+        Title="Anlagensteuerung Pamhagen"
+        Height="800" Width="1400" MinWidth="1000" MinHeight="500">
     <Grid>
         <Grid.RowDefinitions>
             <RowDefinition Height="19"/>
@@ -45,23 +47,188 @@
                 </MenuItem>
             </MenuItem>
             <MenuItem Header="Hilfe">
-                <MenuItem Header="Über">
+                <MenuItem Header="Über" Click="Menu_Help_About_Click">
                     <MenuItem.Icon>
                         <TextBlock FontFamily="Segoe MDL2 Assets" FontSize="16" Text="&#xE946;"/>
                     </MenuItem.Icon>
                 </MenuItem>
+                <MenuItem x:Name="Menu_Help_CheckForUpdates" Header="Nach Updates suchen..." Click="Menu_Help_CheckForUpdates_Click">
+                    <MenuItem.Icon>
+                        <TextBlock FontFamily="Segoe MDL2 Assets" FontSize="16" Text="&#xE895;"/>
+                    </MenuItem.Icon>
+                </MenuItem>
             </MenuItem>
         </Menu>
 
         <Grid Grid.Row="1" ClipToBounds="True">
-            <Canvas x:Name="SchemeCanvas" Width="1550" Height="900" VerticalAlignment="Center" HorizontalAlignment="Center" SnapsToDevicePixels="True"
-                    MouseMove="SchemeCanvas_MouseMove" MouseLeftButtonDown="SchemeCanvas_MouseLeftButtonDown" MouseLeftButtonUp="SchemeCanvas_MouseLeftButtonUp" Grid.ColumnSpan="2" Margin="25,0,0,0">
+            <Canvas x:Name="SchemeCanvas" VerticalAlignment="Center" HorizontalAlignment="Center" SnapsToDevicePixels="True" Grid.ColumnSpan="2" Margin="25,0,0,0"
+                    MouseMove="SchemeCanvas_MouseMove" MouseWheel="SchemeCanvas_MouseWheel"
+                    MouseLeftButtonDown="SchemeCanvas_MouseLeftButtonDown" MouseLeftButtonUp="SchemeCanvas_MouseLeftButtonUp">
             </Canvas>
+
+            <Border Grid.Row="1" HorizontalAlignment="Right" VerticalAlignment="Bottom" Padding="10,10,20,20" Margin="0,0,-11,-11"
+                    Background="WhiteSmoke"
+                    BorderBrush="Gray" BorderThickness="1" CornerRadius="10">
+                <Grid x:Name="FastSelectButtonsRight">
+                    <Grid.ColumnDefinitions>
+                        <ColumnDefinition Width="160"/>
+                        <ColumnDefinition Width="5"/>
+                        <ColumnDefinition Width="160"/>
+                    </Grid.ColumnDefinitions>
+                    <Grid.RowDefinitions>
+                        <RowDefinition Height="50"/>
+                        <RowDefinition Height="5"/>
+                        <RowDefinition Height="50"/>
+                        <RowDefinition Height="5"/>
+                        <RowDefinition Height="50"/>
+                        <RowDefinition Height="5"/>
+                        <RowDefinition Height="50"/>
+                        <RowDefinition Height="5"/>
+                        <RowDefinition Height="50"/>
+                        <RowDefinition Height="5"/>
+                        <RowDefinition Height="50"/>
+                        <RowDefinition Height="5"/>
+                        <RowDefinition Height="50"/>
+                    </Grid.RowDefinitions>
+
+                    <Button x:Name="FastSelectButton_MW1_Press1" Grid.Column="0" Grid.Row="0"
+                            Content="MW1 &#x2B9E; Presse 1" FontSize="16" FontWeight="Bold"
+                            Click="FastSelectButton_Click" MouseEnter="FastSelectButton_Enter" MouseLeave="FastSelectButton_Leave"
+                            BorderThickness="2"/>
+                    <Button x:Name="FastSelectButton_MW2_Press1" Grid.Column="2" Grid.Row="0"
+                            Content="MW2 &#x2B9E; Presse 1" FontSize="16" FontWeight="Bold"
+                            Click="FastSelectButton_Click" MouseEnter="FastSelectButton_Enter" MouseLeave="FastSelectButton_Leave"
+                            BorderThickness="2"/>
+
+                    <Button x:Name="FastSelectButton_MW1_Press2" Grid.Column="0" Grid.Row="2"
+                            Content="MW1 &#x2B9E; Presse 2" FontSize="16" FontWeight="Bold"
+                            Click="FastSelectButton_Click" MouseEnter="FastSelectButton_Enter" MouseLeave="FastSelectButton_Leave"
+                            BorderThickness="2"/>
+                    <Button x:Name="FastSelectButton_MW2_Press2" Grid.Column="2" Grid.Row="2"
+                            Content="MW2 &#x2B9E; Presse 2" FontSize="16" FontWeight="Bold"
+                            Click="FastSelectButton_Click" MouseEnter="FastSelectButton_Enter" MouseLeave="FastSelectButton_Leave"
+                            BorderThickness="2"/>
+
+                    <Button x:Name="FastSelectButton_MW1_Tank1" Grid.Column="0" Grid.Row="4"
+                            Content="MW1 &#x2B9E; Tank 1" FontSize="16" FontWeight="Bold"
+                            Click="FastSelectButton_Click" MouseEnter="FastSelectButton_Enter" MouseLeave="FastSelectButton_Leave"
+                            BorderThickness="2"/>
+                    <Button x:Name="FastSelectButton_MW2_Tank1" Grid.Column="2" Grid.Row="4"
+                            Content="MW2 &#x2B9E; Tank 1" FontSize="16" FontWeight="Bold"
+                            Click="FastSelectButton_Click" MouseEnter="FastSelectButton_Enter" MouseLeave="FastSelectButton_Leave"
+                            BorderThickness="2"/>
+
+                    <Button x:Name="FastSelectButton_MW1_Tank2" Grid.Column="0" Grid.Row="6"
+                            Content="MW1 &#x2B9E; Tank 2" FontSize="16" FontWeight="Bold"
+                            Click="FastSelectButton_Click" MouseEnter="FastSelectButton_Enter" MouseLeave="FastSelectButton_Leave"
+                            BorderThickness="2"/>
+                    <Button x:Name="FastSelectButton_MW2_Tank2" Grid.Column="2" Grid.Row="6"
+                            Content="MW2 &#x2B9E; Tank 2" FontSize="16" FontWeight="Bold"
+                            Click="FastSelectButton_Click" MouseEnter="FastSelectButton_Enter" MouseLeave="FastSelectButton_Leave"
+                            BorderThickness="2"/>
+
+                    <Button x:Name="FastSelectButton_MW1_Tank3" Grid.Column="0" Grid.Row="8"
+                            Content="MW1 &#x2B9E; Tank 3" FontSize="16" FontWeight="Bold"
+                            Click="FastSelectButton_Click" MouseEnter="FastSelectButton_Enter" MouseLeave="FastSelectButton_Leave"
+                            BorderThickness="2"/>
+                    <Button x:Name="FastSelectButton_MW2_Tank3" Grid.Column="2" Grid.Row="8"
+                            Content="MW2 &#x2B9E; Tank 3" FontSize="16" FontWeight="Bold"
+                            Click="FastSelectButton_Click" MouseEnter="FastSelectButton_Enter" MouseLeave="FastSelectButton_Leave"
+                            BorderThickness="2"/>
+
+                    <Button x:Name="FastSelectButton_MW1_Tank4" Grid.Column="0" Grid.Row="10"
+                            Content="MW1 &#x2B9E; Tank 4" FontSize="16" FontWeight="Bold"
+                            Click="FastSelectButton_Click" MouseEnter="FastSelectButton_Enter" MouseLeave="FastSelectButton_Leave"
+                            BorderThickness="2"/>
+                    <Button x:Name="FastSelectButton_MW2_Tank4" Grid.Column="2" Grid.Row="10"
+                            Content="MW2 &#x2B9E; Tank 4" FontSize="16" FontWeight="Bold"
+                            Click="FastSelectButton_Click" MouseEnter="FastSelectButton_Enter" MouseLeave="FastSelectButton_Leave"
+                            BorderThickness="2"/>
+
+                    <Button x:Name="FastSelectButton_MW1_Tank5" Grid.Column="0" Grid.Row="12"
+                            Content="MW1 &#x2B9E; Tank 5" FontSize="16" FontWeight="Bold"
+                            Click="FastSelectButton_Click" MouseEnter="FastSelectButton_Enter" MouseLeave="FastSelectButton_Leave"
+                            BorderThickness="2"/>
+                    <Button x:Name="FastSelectButton_MW2_Tank5" Grid.Column="2" Grid.Row="12"
+                            Content="MW2 &#x2B9E; Tank 5" FontSize="16" FontWeight="Bold"
+                            Click="FastSelectButton_Click" MouseEnter="FastSelectButton_Enter" MouseLeave="FastSelectButton_Leave"
+                            BorderThickness="2"/>
+                </Grid>
+            </Border>
+
+            <Border HorizontalAlignment="Left" VerticalAlignment="Bottom" Padding="60,15,15,30" Margin="-11,0,0,-11"
+                    Background="WhiteSmoke"
+                    BorderBrush="Gray" BorderThickness="1" CornerRadius="10">
+                <Grid x:Name="FastSelectButtonsLeft">
+                    <Grid.ColumnDefinitions>
+                        <ColumnDefinition Width="160"/>
+                        <ColumnDefinition Width="2.5"/>
+                        <ColumnDefinition Width="2.5"/>
+                        <ColumnDefinition Width="160"/>
+                    </Grid.ColumnDefinitions>
+                    <Grid.RowDefinitions>
+                        <RowDefinition Height="60"/>
+                        <RowDefinition Height="5"/>
+                        <RowDefinition Height="50"/>
+                        <RowDefinition Height="5"/>
+                        <RowDefinition Height="80"/>
+                        <RowDefinition Height="80"/>
+                    </Grid.RowDefinitions>
+
+                    <Button x:Name="FastSelectButton_EntryTrough_Start" Grid.Column="0" Grid.Row="0" Grid.ColumnSpan="2"
+                            FontSize="14" FontWeight="Bold"
+                            Click="FastSelectButton_EntryTroughStart_Click" MouseEnter="FastSelectButton_Enter" MouseLeave="FastSelectButton_Leave"
+                            BorderThickness="2">
+                        <TextBlock TextAlignment="Center">Auffangwanne<LineBreak/><Run x:Name="FastSelectButton_EntryTrough_Start_Run" FontSize="18">Schnecke Start</Run></TextBlock>
+                    </Button>
+                    <Button x:Name="FastSelectButton_EntryTrough_Stop" Grid.Column="2" Grid.Row="0" Grid.ColumnSpan="2"
+                            FontSize="14" FontWeight="Bold"
+                            Click="FastSelectButton_EntryTroughStop_Click" MouseEnter="FastSelectButton_Enter" MouseLeave="FastSelectButton_Leave"
+                            BorderThickness="2">
+                        <TextBlock TextAlignment="Center">Auffangwanne<LineBreak/><Run x:Name="FastSelectButton_EntryTrough_Stop_Run" FontSize="18">Schnecke Stop</Run></TextBlock>
+                    </Button>
+
+
+                    <Button x:Name="FastSelectButton_MW2" Grid.Column="0" Grid.Row="2"
+                            Content="MW2   &#x2B9C;" FontSize="16" FontWeight="Bold"
+                            Click="FastSelectButton_MW2_Click" MouseEnter="FastSelectButton_Enter" MouseLeave="FastSelectButton_Leave"
+                            BorderThickness="2"/>
+                    <Button x:Name="FastSelectButton_MW1" Grid.Column="3" Grid.Row="2"
+                            Content="&#x2B9E;   MW1" FontSize="16" FontWeight="Bold"
+                            Click="FastSelectButton_MW1_Click" MouseEnter="FastSelectButton_Enter" MouseLeave="FastSelectButton_Leave"
+                            BorderThickness="2"/>
+
+                    <Button x:Name="FastSelectButton_MP2_Stop" Grid.Column="0" Grid.Row="4"
+                            FontSize="16" FontWeight="Bold"
+                            Click="FastSelectButton_MP2_Stop_Click" MouseEnter="FastSelectButton_Enter" MouseLeave="FastSelectButton_Leave"
+                            BorderThickness="2">
+                        <TextBlock TextAlignment="Center"><Run x:Name="FastSelectButton_MP2_Stop_Run" FontSize="24">MP2</Run><LineBreak/>Stop</TextBlock>
+                    </Button>
+                    <Button x:Name="FastSelectButton_MP2_Forward" Grid.Column="0" Grid.Row="5"
+                            FontSize="16" FontWeight="Bold"
+                            Click="FastSelectButton_MP2_Forward_Click" MouseEnter="FastSelectButton_Enter" MouseLeave="FastSelectButton_Leave"
+                            BorderThickness="2">
+                        <TextBlock TextAlignment="Center"><Run x:Name="FastSelectButton_MP2_Forward_Run" FontSize="24">MP2</Run><LineBreak/><Run x:Name="MP2_Target">Vor</Run></TextBlock>
+                    </Button>
+
+                    <Button x:Name="FastSelectButton_MP1_Stop" Grid.Column="3" Grid.Row="4"
+                            FontSize="16" FontWeight="Bold"
+                            Click="FastSelectButton_MP1_Stop_Click" MouseEnter="FastSelectButton_Enter" MouseLeave="FastSelectButton_Leave"
+                            BorderThickness="2">
+                        <TextBlock TextAlignment="Center"><Run x:Name="FastSelectButton_MP1_Stop_Run" FontSize="24">MP1</Run><LineBreak/>Stop</TextBlock>
+                    </Button>
+                    <Button x:Name="FastSelectButton_MP1_Forward" Grid.Column="3" Grid.Row="5"
+                            FontSize="16" FontWeight="Bold"
+                            Click="FastSelectButton_MP1_Forward_Click" MouseEnter="FastSelectButton_Enter" MouseLeave="FastSelectButton_Leave"
+                            BorderThickness="2">
+                        <TextBlock TextAlignment="Center"><Run x:Name="FastSelectButton_MP1_Forward_Run" FontSize="24">MP1</Run><LineBreak/><Run x:Name="MP1_Target">Vor</Run></TextBlock>
+                    </Button>
+                </Grid>
+            </Border>
         </Grid>
 
         <StatusBar Grid.Row="2" BorderThickness="0,1,0,0" BorderBrush="Gray">
 
         </StatusBar>
-
     </Grid>
 </Window>

PamhagenSysCtrl/Windows/PlantSchemeWindow.xaml.cs

@@ -2,23 +2,74 @@ using PamhagenSysCtrl.Helpers;
 using PamhagenSysCtrl.Helpers.Pipeline;
 using System.Diagnostics;
 using System.Windows;
+using System.Windows.Controls;
 using System.Windows.Input;
+using System.Windows.Media;
 
 namespace PamhagenSysCtrl.Windows {
     public partial class PlantSchemeWindow : Window {
 
+        private const double _minMove = 50;
+
         private readonly PamhagenGraph Graph;
 
+        private Point? _lastMousePos;
+        private bool _mouseDragging;
         private ISource? _lastSource;
         private List<INode> _path = [];
         private ISet<INode>? _lastSelected;
         private ISet<INode>? _hover;
 
+        public double Scale { get; set; } = 5;
+        public double RoundedScale => Math.Round(Scale * 2) / 2;
+
+        public Path? HoveringPath {
+            get {
+                foreach (var b in FastSelectPaths.Where(b => b.Key.IsMouseOver)) {
+                    if (Graph.SelectedPaths.Any(p => p.Start == b.Value.Source && p.Hops.Last().Node == b.Value.Sink))
+                        continue;
+                    return Graph.GetFreePath([b.Value.Source, b.Value.Sink], true);
+                }
+
+                if (_lastSource == null || _hover == null || !(_hover.Count > 0 || _path.Count > 0))
+                    return null;
+                List<INode> points = [_lastSource, .. _path];
+                if (_hover.Count > 0 && !points.Contains(_hover.First())) {
+                    points.Add(_hover.First());
+                }
+                if (points.Count >= 2) {
+                    return Graph.GetFreePath(points);
+                } else {
+                    return null;
+                }
+            }
+        }
+
+        protected Dictionary<Button, (ISource Source, Pump Pump, ISink Sink)> FastSelectPaths;
+
         public PlantSchemeWindow() {
             InitializeComponent();
-            App.Plant?.Update += OnUpdate;
+            Menu_Help_CheckForUpdates.IsEnabled = App.Config.UpdateUrl != null;
             Graph = new();
-            Graph.Draw(SchemeCanvas);
+            Graph.Draw(SchemeCanvas, RoundedScale);
+            FastSelectPaths = new Dictionary<Button, (ISource, Pump, ISink)> {
+                [FastSelectButton_MW1_Press1] = (Graph.MW1, Graph.MP1, Graph.Press1),
+                [FastSelectButton_MW2_Press1] = (Graph.MW2, Graph.MP2, Graph.Press1),
+                [FastSelectButton_MW1_Press2] = (Graph.MW1, Graph.MP1, Graph.Press2),
+                [FastSelectButton_MW2_Press2] = (Graph.MW2, Graph.MP2, Graph.Press2),
+                [FastSelectButton_MW1_Tank1] = (Graph.MW1, Graph.MP1, Graph.Tank1),
+                [FastSelectButton_MW2_Tank1] = (Graph.MW2, Graph.MP2, Graph.Tank1),
+                [FastSelectButton_MW1_Tank2] = (Graph.MW1, Graph.MP1, Graph.Tank2),
+                [FastSelectButton_MW2_Tank2] = (Graph.MW2, Graph.MP2, Graph.Tank2),
+                [FastSelectButton_MW1_Tank3] = (Graph.MW1, Graph.MP1, Graph.Tank3),
+                [FastSelectButton_MW2_Tank3] = (Graph.MW2, Graph.MP2, Graph.Tank3),
+                [FastSelectButton_MW1_Tank4] = (Graph.MW1, Graph.MP1, Graph.Tank4),
+                [FastSelectButton_MW2_Tank4] = (Graph.MW2, Graph.MP2, Graph.Tank4),
+                [FastSelectButton_MW1_Tank5] = (Graph.MW1, Graph.MP1, Graph.Tank5),
+                [FastSelectButton_MW2_Tank5] = (Graph.MW2, Graph.MP2, Graph.Tank5),
+            };
+            App.Plant?.Update += OnUpdate;
+            InitializePaths();
         }
 
         private void OnClosed(object sender, EventArgs evt) {
@@ -44,6 +95,8 @@ namespace PamhagenSysCtrl.Windows {
                 }
                 Menu_Settings_OverridePathClearances.IsChecked = false;
                 Menu_Settings_OverrideDryRunClearances.IsChecked = false;
+
+                InitializePaths();
             }
             OnUpdate(null, null);
         }
@@ -75,18 +128,220 @@ namespace PamhagenSysCtrl.Windows {
             } catch { }
         }
 
-        private void SchemeCanvas_MouseMove(object sender, MouseEventArgs evt) {
-            var p = evt.GetPosition(SchemeCanvas);
+        private async void Menu_Help_CheckForUpdates_Click(object sender, RoutedEventArgs evt) {
+            await App.CheckForUpdates(true);
+        }
+
+        private void Menu_Help_About_Click(object sender, RoutedEventArgs evt) {
+            var window = new AboutWindow {
+                Owner = this,
+            };
+            window.Show();
+        }
+
+        private void FastSelectButton_EntryTroughStart_Click(object sender, RoutedEventArgs evt) {
+            try {
+                App.Plant?.StartTroughAuger();
+            } catch (NoClearanceException exc) {
+                MessageBox.Show($"{exc.Message}", "Keine Freigabe", MessageBoxButton.OK, MessageBoxImage.Error);
+            }
+        }
+
+        private void FastSelectButton_EntryTroughStop_Click(object sender, RoutedEventArgs evt) {
+            try {
+                App.Plant?.StopTroughAuger();
+            } catch (NoClearanceException exc) {
+                MessageBox.Show($"{exc.Message}", "Keine Freigabe", MessageBoxButton.OK, MessageBoxImage.Error);
+            }
+        }
+
+        private void FastSelectButton_MW1_Click(object sender, RoutedEventArgs evt) {
+            try {
+                App.Plant?.SelectMW1();
+            } catch (NoClearanceException exc) {
+                MessageBox.Show($"{exc.Message}", "Keine Freigabe", MessageBoxButton.OK, MessageBoxImage.Error);
+            }
+        }
+
+        private void FastSelectButton_MW2_Click(object sender, RoutedEventArgs evt) {
+            try {
+                App.Plant?.SelectMW2();
+            } catch (NoClearanceException exc) {
+                MessageBox.Show($"{exc.Message}", "Keine Freigabe", MessageBoxButton.OK, MessageBoxImage.Error);
+            }
+        }
+
+        private void FastSelectButton_MP1_Forward_Click(object sender, RoutedEventArgs evt) {
+            try {
+                App.Plant?.StartMP1Forward();
+            } catch (NoClearanceException exc) {
+                MessageBox.Show($"{exc.Message}", "Keine Freigabe", MessageBoxButton.OK, MessageBoxImage.Error);
+            }
+        }
+
+        private void FastSelectButton_MP1_Stop_Click(object sender, RoutedEventArgs evt) {
+            try {
+                App.Plant?.StopMP1();
+            } catch (NoClearanceException exc) {
+                MessageBox.Show($"{exc.Message}", "Keine Freigabe", MessageBoxButton.OK, MessageBoxImage.Error);
+            }
+        }
+
+        private void FastSelectButton_MP2_Forward_Click(object sender, RoutedEventArgs evt) {
+            try {
+                App.Plant?.StartMP2Forward();
+            } catch (NoClearanceException exc) {
+                MessageBox.Show($"{exc.Message}", "Keine Freigabe", MessageBoxButton.OK, MessageBoxImage.Error);
+            }
+        }
+
+        private void FastSelectButton_MP2_Stop_Click(object sender, RoutedEventArgs evt) {
+            try {
+                App.Plant?.StopMP2();
+            } catch (NoClearanceException exc) {
+                MessageBox.Show($"{exc.Message}", "Keine Freigabe", MessageBoxButton.OK, MessageBoxImage.Error);
+            }
+        }
+
+        private void FastSelectButton_Enter(object sender, MouseEventArgs evt) {
             UpdateScheme(evt.GetPosition(SchemeCanvas), evt.LeftButton == MouseButtonState.Pressed);
         }
 
+        private void FastSelectButton_Leave(object sender, MouseEventArgs evt) {
+            UpdateScheme(evt.GetPosition(SchemeCanvas), evt.LeftButton == MouseButtonState.Pressed);
+        }
+
+        private void FastSelectButton_Click(object sender, RoutedEventArgs evt) {
+            if (sender is not Button b || !FastSelectPaths.TryGetValue(b, out var val))
+                return;
+
+            if (Graph.SelectedPaths.Select(p => (Path?)p).FirstOrDefault(p => p?.Start == val.Source, null) is Path p1) {
+                Graph.RemovePath(p1);
+                if (p1.Hops.Last().Node == val.Sink)
+                    return;
+            }
+            if (Graph.GetFreePath([val.Source, val.Sink]) is Path p2) {
+                Graph.AddPath(p2);
+                _lastSource = null;
+            }
+        }
+
+        private void OnSizeChanged(object sender, SizeChangedEventArgs evt) {
+            var rx = evt.NewSize.Width / 1550.0;
+            var ry = evt.NewSize.Height / 900.0;
+            var r = Math.Min(rx, ry);
+            Scale = r * 5;
+            SchemeCanvas.Margin = new();
+            Graph.Scale(RoundedScale);
+            if (RoundedScale < 4) {
+                (FastSelectButtonsLeft.Parent as Border)?.Visibility = Visibility.Hidden;
+                (FastSelectButtonsRight.Parent as Border)?.Visibility = Visibility.Hidden;
+            } else if (RoundedScale <= 5) {
+                (FastSelectButtonsLeft.Parent as Border)?.Visibility = Visibility.Visible;
+                FastSelectButtonsLeft.ColumnDefinitions[0].Width = new(120);
+                FastSelectButtonsLeft.ColumnDefinitions[3].Width = new(120);
+                FastSelectButtonsLeft.RowDefinitions[0].Height = new(45);
+                FastSelectButtonsLeft.RowDefinitions[2].Height = new(40);
+                FastSelectButtonsLeft.RowDefinitions[4].Height = new(55);
+                FastSelectButtonsLeft.RowDefinitions[5].Height = new(55);
+                (FastSelectButtonsRight.Parent as Border)?.Visibility = Visibility.Visible;
+                foreach (var col in FastSelectButtonsRight.ColumnDefinitions) {
+                    if (col.Width.Value <= 5) continue;
+                    col.Width = new(120);
+                }
+                foreach (var row in FastSelectButtonsRight.RowDefinitions) {
+                    if (row.Height.Value <= 5) continue;
+                    row.Height = new(40);
+                }
+                foreach (var b in FastSelectPaths.Keys) {
+                    b.FontSize = 14;
+                }
+                FastSelectButton_EntryTrough_Start.FontSize = 12;
+                FastSelectButton_EntryTrough_Start_Run.FontSize = 14;
+                FastSelectButton_EntryTrough_Stop.FontSize = 12;
+                FastSelectButton_EntryTrough_Stop_Run.FontSize = 14;
+                FastSelectButton_MW1.FontSize = 14;
+                FastSelectButton_MW2.FontSize = 14;
+                FastSelectButton_MP1_Stop.FontSize = 14;
+                FastSelectButton_MP1_Stop_Run.FontSize = 18;
+                FastSelectButton_MP1_Forward.FontSize = 14;
+                FastSelectButton_MP1_Forward_Run.FontSize = 18;
+                FastSelectButton_MP2_Stop.FontSize = 14;
+                FastSelectButton_MP2_Stop_Run.FontSize = 18;
+                FastSelectButton_MP2_Forward.FontSize = 14;
+                FastSelectButton_MP2_Forward_Run.FontSize = 18;
+            } else {
+                (FastSelectButtonsLeft.Parent as Border)?.Visibility = Visibility.Visible;
+                FastSelectButtonsLeft.ColumnDefinitions[0].Width = new(160);
+                FastSelectButtonsLeft.ColumnDefinitions[3].Width = new(160);
+                FastSelectButtonsLeft.RowDefinitions[0].Height = new(60);
+                FastSelectButtonsLeft.RowDefinitions[2].Height = new(50);
+                FastSelectButtonsLeft.RowDefinitions[4].Height = new(80);
+                FastSelectButtonsLeft.RowDefinitions[5].Height = new(80);
+                (FastSelectButtonsRight.Parent as Border)?.Visibility = Visibility.Visible;
+                foreach (var col in FastSelectButtonsRight.ColumnDefinitions) {
+                    if (col.Width.Value <= 5) continue;
+                    col.Width = new(160);
+                }
+                foreach (var row in FastSelectButtonsRight.RowDefinitions) {
+                    if (row.Height.Value <= 5) continue;
+                    row.Height = new(50);
+                }
+                foreach (var b in FastSelectPaths.Keys) {
+                    b.FontSize = 16;
+                }
+                FastSelectButton_EntryTrough_Start.FontSize = 14;
+                FastSelectButton_EntryTrough_Start_Run.FontSize = 18;
+                FastSelectButton_EntryTrough_Stop.FontSize = 14;
+                FastSelectButton_EntryTrough_Stop_Run.FontSize = 18;
+                FastSelectButton_MW1.FontSize = 16;
+                FastSelectButton_MW2.FontSize = 16;
+                FastSelectButton_MP1_Stop.FontSize = 16;
+                FastSelectButton_MP1_Stop_Run.FontSize = 24;
+                FastSelectButton_MP1_Forward.FontSize = 16;
+                FastSelectButton_MP1_Forward_Run.FontSize = 24;
+                FastSelectButton_MP2_Stop.FontSize = 16;
+                FastSelectButton_MP2_Stop_Run.FontSize = 24;
+                FastSelectButton_MP2_Forward.FontSize = 16;
+                FastSelectButton_MP2_Forward_Run.FontSize = 24;
+            }
+            UpdateScheme(Mouse.GetPosition(SchemeCanvas), Mouse.LeftButton == MouseButtonState.Pressed);
+        }
+
+        private void SchemeCanvas_MouseWheel(object sender, MouseWheelEventArgs evt) {
+            Scale = Math.Max(1, Math.Min(20, Scale + evt.Delta / 500.0));
+            Graph.Scale(RoundedScale);
+            UpdateScheme(evt.GetPosition(SchemeCanvas), evt.LeftButton == MouseButtonState.Pressed);
+        }
+
+        private void SchemeCanvas_MouseMove(object sender, MouseEventArgs evt) {
+            var pos = evt.GetPosition(SchemeCanvas);
+            if (_lastMousePos is Point p) {
+                if (!_mouseDragging) {
+                    var dx = p.X - pos.X;
+                    var dy = p.Y - pos.Y;
+                    _mouseDragging = Math.Sqrt(dx * dx + dy * dy) >= _minMove;
+                }
+                if (_mouseDragging) {
+                    var dx = SchemeCanvas.Margin.Right - SchemeCanvas.Margin.Left + p.X - pos.X;
+                    var dy = SchemeCanvas.Margin.Bottom - SchemeCanvas.Margin.Top + p.Y - pos.Y;
+                    SchemeCanvas.Margin = new(dx > 0 ? 0 : -dx, dy > 0 ? 0 : -dy, dx < 0 ? 0 : dx, dy < 0 ? 0 : dy);
+                }
+            }
+            UpdateScheme(pos, evt.LeftButton == MouseButtonState.Pressed);
+        }
+
         private void SchemeCanvas_MouseLeftButtonDown(object sender, MouseButtonEventArgs evt) {
-            var p = evt.GetPosition(SchemeCanvas);
-            _lastSelected = UpdateScheme(evt.GetPosition(SchemeCanvas), evt.LeftButton == MouseButtonState.Pressed);
+            var pos = evt.GetPosition(SchemeCanvas);
+            _lastMousePos = pos;
+            _mouseDragging = false;
+            _lastSelected = UpdateScheme(pos, evt.LeftButton == MouseButtonState.Pressed);
         }
 
         private void SchemeCanvas_MouseLeftButtonUp(object sender, MouseButtonEventArgs evt) {
             var pos = evt.GetPosition(SchemeCanvas);
+            _lastMousePos = null;
+            _mouseDragging = false;
             var curSelected = UpdateScheme(pos, evt.LeftButton == MouseButtonState.Pressed);
             var clicked = curSelected.Intersect(_lastSelected ?? new HashSet<INode>()).ToList();
             if (clicked.Count == 0) {
@@ -108,13 +363,12 @@ namespace PamhagenSysCtrl.Windows {
                             Graph.RemovePath(path);
                         }
                     } else if (_lastSource != null && c is ISink sink) {
-                        var res = Graph.GetPath([_lastSource, .. _path, sink], (n) => n is not ISink && (n is not Valve v || !v.IsLocked));
-                        if (res is Path path) {
+                        if (Graph.GetFreePath([_lastSource, .. _path, sink]) is Path path) {
                             Graph.AddPath(path);
                             _lastSource = null;
                         }
                     } else if (_lastSource != null) {
-                        var path = Graph.GetPath([_lastSource, .. _path, c], (n) => n is not ISink && (n is not Valve v || !v.IsLocked));
+                        var path = Graph.GetFreePath([_lastSource, .. _path, c]);
                         if (path != null) {
                             _path.Add(c);
                         }
@@ -216,6 +470,30 @@ namespace PamhagenSysCtrl.Windows {
             UpdateScheme(pos, evt.LeftButton == MouseButtonState.Pressed);
         }
 
+        private static void SetFastSelectButton(Button b, int m, bool disabled = false) {
+            b.IsEnabled = !disabled;
+            if (m == 1) {
+                b.Background = Brushes.MintCream;
+                b.BorderBrush = Brushes.DarkGreen;
+                b.Foreground = Brushes.DarkGreen;
+            } else if (m == 2) {
+                b.Background = Brushes.MistyRose;
+                b.BorderBrush = Brushes.DarkRed;
+                b.Foreground = Brushes.DarkRed;
+            } else {
+                b.Background = Brushes.LightGray;
+                b.BorderBrush = Brushes.DimGray;
+                b.Foreground = Brushes.Black;
+            }
+        }
+
+        private void UpdateFastSelectPathButton(IEnumerable<Path> paths, Path? hoverPathDeactivate, Button b) {
+            var e = FastSelectPaths[b];
+            SetFastSelectButton(b,
+                paths.Any(p => p.Start == e.Source && p.Hops.Last().Node == e.Sink) ? (hoverPathDeactivate?.Start == e.Source && hoverPathDeactivate?.Hops.Last().Node == e.Sink) ? 2 : 1 : 0,
+                e.Pump.IsActive || Graph.GetFreePath([e.Source, e.Sink], overrideStart: true) == null);
+        }
+
         private ISet<INode> UpdateScheme(Point pos, bool down) {
             foreach (var e in Graph.Edges) {
                 e.Highlight = null;
@@ -227,35 +505,52 @@ namespace PamhagenSysCtrl.Windows {
                 }
             }
 
-            _hover = Graph.GetHover(pos.X, pos.Y);
+            SetFastSelectButton(FastSelectButton_EntryTrough_Start, App.Plant?.IsTroughAugerActive ?? false ? 1 : 0, !(App.Plant?.TroughAugerHasClearance ?? false));
+            SetFastSelectButton(FastSelectButton_EntryTrough_Stop, App.Plant?.IsTroughAugerActive ?? false ? 0 : 2);
+            SetFastSelectButton(FastSelectButton_MW1, App.Plant?.IsMW1Selected ?? false ? 1 : 0);
+            SetFastSelectButton(FastSelectButton_MW2, App.Plant?.IsMW2Selected ?? false ? 1 : 0);
+            SetFastSelectButton(FastSelectButton_MP1_Forward, App.Plant?.MP1 == MotorState.Forward ? 1 : 0, !(App.Plant?.MP1HasClearance ?? false));
+            SetFastSelectButton(FastSelectButton_MP1_Stop, App.Plant?.MP1 == MotorState.Halt ? 2 : 0);
+            SetFastSelectButton(FastSelectButton_MP2_Forward, App.Plant?.MP2 == MotorState.Forward ? 1 : 0, !(App.Plant?.MP2HasClearance ?? false));
+            SetFastSelectButton(FastSelectButton_MP2_Stop, App.Plant?.MP2 == MotorState.Halt ? 2 : 0);
+            foreach (var b in FastSelectPaths) {
+                SetFastSelectButton(b.Key, 0, false);
+            }
+
+            _hover = Graph.GetHover(pos.X, pos.Y, RoundedScale);
+            var hoverButtons = FastSelectPaths.Where(b => b.Key.IsMouseOver).ToDictionary();
+            Path? hoverPathDeactivate = null;
             if (App.Plant?.ManualControlMode ?? false) {
                 foreach (var src in Graph.Nodes.Where(n => n is Pump)) {
                     Graph.ColorPipesByValves(src, PamhagenBrushes.Green, (src as Pump)?.State ?? default, PamhagenBrushes.DimOrange);
                 }
+                MP1_Target.Text = "Vor";
+                MP2_Target.Text = "Vor";
+                MP1_Target.FontSize = 16;
+                MP2_Target.FontSize = 16;
             } else {
                 foreach (var p in Graph.SelectedPaths) {
                     Graph.ColorPipesAdjacientToPath(p, PamhagenBrushes.Green, p.Hops.Select(h => (h.Node as Pump)?.State ?? default).FirstOrDefault(n => n != MotorState.Halt), PamhagenBrushes.DimOrange);
                 }
-                if (_lastSource != null && (_hover.Count > 0 || _path.Count > 0)) {
-                    List<INode> points = [_lastSource, .. _path];
-                    if (_hover.Count > 0 && !points.Contains(_hover.First())) {
-                        points.Add(_hover.First());
-                    }
-                    if (points.Count >= 2) {
-                        var res = Graph.GetPath(points, (n) => n is not ISink && (n is not Valve v || !v.IsLocked));
-                        if (res is Path path) {
-                            Graph.ColorPipesAdjacientToPath(path, PamhagenBrushes.Green, default, PamhagenBrushes.DimOrange);
-                        }
-                    }
-                } else if (_lastSource == null && _hover.Count > 0 && Graph.SelectedPaths.Any(p => p.Start == _hover.First())) {
-                    var path = Graph.SelectedPaths.First(p => p.Start == _hover.First());
-                    var pumpActive = path.Hops.Any(h => (h.Node as Pump)?.IsActive ?? false);
+                if (_lastSource == null && _hover.Count > 0 && Graph.SelectedPaths.Select(p => (Path?)p).FirstOrDefault(p => p?.Start == _hover.First()) is Path path1) {
+                    var pumpActive = path1.Hops.Any(h => (h.Node as Pump)?.IsActive ?? false);
                     if (pumpActive) {
-                        foreach (var pump in path.Hops.Select(h => h.Node as Pump).Where(p => p != null)) {
+                        foreach (var pump in path1.Hops.Select(h => h.Node as Pump).Where(p => p != null)) {
                             pump?.Highlight = PamhagenBrushes.Red;
                         }
                     } else {
-                        Graph.ColorPipesAdjacientToPath(path, PamhagenBrushes.Red, default, null);
+                        hoverPathDeactivate = path1;
+                        Graph.ColorPipesAdjacientToPath(path1, PamhagenBrushes.Red, default, null);
+                    }
+                } else if (hoverButtons.Count != 0 && Graph.SelectedPaths.Select(p => (Path?)p).FirstOrDefault(p => p?.Start == hoverButtons.First().Value.Source) is Path path2) {
+                    var pumpActive = path2.Hops.Any(h => (h.Node as Pump)?.IsActive ?? false);
+                    if (pumpActive) {
+                        foreach (var pump in path2.Hops.Select(h => h.Node as Pump).Where(p => p != null)) {
+                            pump?.Highlight = PamhagenBrushes.Red;
+                        }
+                    } else {
+                        hoverPathDeactivate = path2;
+                        Graph.ColorPipesAdjacientToPath(path2, PamhagenBrushes.Red, default, null);
                     }
                 }
                 if (_lastSource != null) {
@@ -263,7 +558,36 @@ namespace PamhagenSysCtrl.Windows {
                         edge.Highlight = PamhagenBrushes.Green;
                     }
                 }
+                if (HoveringPath is Path hoveringPath) {
+                    Graph.ColorPipesAdjacientToPath(hoveringPath, PamhagenBrushes.Green, default, PamhagenBrushes.DimOrange);
+                }
+
+                if (Graph.SelectedPaths.Select(p => (Path?)p).FirstOrDefault(p => p?.Start == Graph.MW1) is Path pmw1) {
+                    MP1_Target.Text = "\u2b9e " + string.Join(" \u2b9e ", pmw1.Hops
+                        .Select(h => h.Node is Valve || h.Node is Pump || h.Node is CenterValve ? null : h.Node.Label)
+                        .Where(l => !string.IsNullOrWhiteSpace(l)));
+                } else {
+                    MP1_Target.Text = "Vor";
+                }
+                if (Graph.SelectedPaths.Select(p => (Path?)p).FirstOrDefault(p => p?.Start == Graph.MW2) is Path pmw2) {
+                    MP2_Target.Text = "\u2b9e " + string.Join(" \u2b9e ", pmw2.Hops
+                        .Select(h => h.Node is Valve || h.Node is Pump || h.Node is CenterValve ? null : h.Node.Label)
+                        .Where(l => !string.IsNullOrWhiteSpace(l)));
+                } else {
+                    MP2_Target.Text = "Vor";
+                }
+                var len1 = MP1_Target.Text.Length;
+                var len2 = MP2_Target.Text.Length;
+                MP1_Target.FontSize = len1 > 24 ? 8 :  len1 > 20 ? 10 : len1 > 16 ? 12 : len1 > 12 ? 14 : 16;
+                MP2_Target.FontSize = len2 > 24 ? 8 :  len2 > 20 ? 10 : len2 > 16 ? 12 : len2 > 12 ? 14 : 16;
             }
+
+            var paths = Graph.SelectedPaths;
+            if (HoveringPath is Path hp) paths = paths.Append(hp);
+            foreach (var b in FastSelectPaths.Keys) {
+                UpdateFastSelectPathButton(paths, hoverPathDeactivate, b);
+            }
+
             Graph.Update(_hover, down);
             return _hover;
         }
@@ -272,5 +596,32 @@ namespace PamhagenSysCtrl.Windows {
             if (sender is not PamhagenPlant plant) return;
             UpdateScheme(Mouse.GetPosition(SchemeCanvas), Mouse.LeftButton == MouseButtonState.Pressed);
         }
+
+        public void InitializePaths() {
+            var add = ReconstructSelectedPaths().ToList();
+            var remove = Graph.SelectedPaths.ToList();
+            foreach (var p in remove) Graph.RemovePath(p);
+            for (int i = 1; i <= 57; i++) {
+                App.Plant?.CloseV(i);
+            }
+            foreach (var p in add) {
+                if (p.Hops.Any(h => h.Node is Valve v && v.IsLocked)) continue;
+                Graph.AddPath(p);
+            }
+        }
+
+        public IEnumerable<Path> ReconstructSelectedPaths() {
+            if (App.Plant is not PamhagenPlant p) yield break;
+            var sources = Graph.Nodes.Where(n => n is ISource).ToList();
+            var sinks = Graph.Nodes.Where(n => n is ISink).ToList();
+            foreach (var src in sources) {
+                var paths = new List<Path>();
+                foreach (var sink in sinks) {
+                    paths.AddRange(Graph.GetPaths(src, sink, null, (n) => n is not ISink && (n is not Valve v || p.WantValveOpen(v.Nr))));
+                }
+                if (paths.Count == 1)
+                    yield return paths.First();
+            }
+        }
     }
 }

README.md

@@ -1,2 +1,42 @@
 
-# Anlagensteuerung Pamhangen
+Anlagensteuerung Pamhagen
+=========================
+
+Schnittstelle zur SPS und grafische Benutzeroberfläche.
+Winzerkeller Seewinkel, Pamhagen.
+
+
+About
+=====
+
+**Product:** Anlagensteuerung Pamhagen  
+**Description:** Interface to a LPC and graphical user interface for controlling the plant/system  
+**Type:** HMI and PLC Control Software  
+**Version:** 0.0.3 ([Changelog](./CHANGELOG.md))  
+**License:** [GNU General Public License 3.0 (GPLv3)](./LICENSE)  
+**Source code:** https://git.necronda.net/winzer/pamhagen-sysctrl  
+**Developement period:** 2026
+
+**Technology Stack:**  
+Language: C#  
+Framework: Windows Presentation Framework (WPF)  
+LPC-Interface: Serial connection  
+Packaging: [WiX Toolset](https://www.firegiant.com/wixtoolset/)
+
+
+Über
+====
+
+**Produkt:** Anlagensteuerung Pamhagen  
+**Beschreibung:** Schnittstelle zu einer SPS und grafische Benutzeroberfläche für die Steuerung der Anlage  
+**Typ:** HMI- und SPS-Steuerungssoftware  
+**Version:** 0.0.3 ([Änderungsprotokoll](./CHANGELOG.md))  
+**Lizenz:** [GNU General Public License 3.0 (GPLv3)](./LICENSE)  
+**Quellcode:** https://git.necronda.net/winzer/pamhagen-sysctrl  
+**Entwicklungszeitraum:** 2026
+
+**Verwendete Technologien:**  
+Programmiersprache: C#  
+Framework: Windows Presentation Framework (WPF)  
+SPS-Schnittstelle: Serielle Verbindung  
+Paketierung: [WiX Toolset](https://www.firegiant.com/wixtoolset/)