Bump version to 0.0.3

PamhagenSysCtrl/Helpers/PamhagenGraph.cs

@@ -18,6 +18,17 @@ 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;
@@ -76,19 +87,19 @@ namespace PamhagenSysCtrl.Helpers {
             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 + 80);
+            var v2 = CreateValve(2, mw2X, mpY + 80);
+            var v3 = CreateValve(3, mw2X + 30, mpY + 80);
+            var v4 = CreateValve(4, mw1X - 30, mpY + 80);
 
             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 x5 = new PipeJoin(mw1X - 30, ltg2Y);
             var x6 = new PipeJoin(x1X - 30, ltg2Y);
 
             CreatePipe(v1, x3, true);
@@ -180,37 +191,37 @@ namespace PamhagenSysCtrl.Helpers {
             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);
+            Tank1 = CreateTank(1, t1X, tanksY, 35000);
             CreatePipe(xv20, xv22, true, label: "Ltg. 7", labelOffsetX: 50);
             CreatePipe(xv21, xv23, true, label: "Ltg. 6", labelOffsetX: 20);
             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);
+            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);
+            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);
@@ -221,25 +232,25 @@ namespace PamhagenSysCtrl.Helpers {
             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);
+            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);
+            Tank5 = CreateTank(5, t5X, tanksY, 35000);
             CreatePipe(xv30, xv32, label: "Ltg. 7", labelOffsetX: 30);
             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);
@@ -250,58 +261,58 @@ namespace PamhagenSysCtrl.Helpers {
             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);
+            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);
+            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);
+            Tank8 = CreateTank(8, t8X, tanksY, 35000);
             CreatePipe(xv38, xv40, label: "Ltg. 6", labelOffsetX: 0);
             CreatePipe(xv39, xv41, label: "Ltg. 7", labelOffsetX: 30);
             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);
+            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);
+            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);
+            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);
@@ -329,10 +340,10 @@ namespace PamhagenSysCtrl.Helpers {
             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);
+            CreateOutlet(Tank6, xt6);
+            CreateOutlet(Tank7, xt7);
+            CreateOutlet(Tank8, xt8);
+            CreateOutlet(Tank9, xt8);
             CreatePipe(xt8, xt7);
             CreatePipe(xt7, xt6);
             CreatePipe(xt6, P6);
@@ -343,8 +354,8 @@ namespace PamhagenSysCtrl.Helpers {
             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);
+            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 + 30, 580);
             var v51 = CreateValve(51, pr1cX - 30, 580);
             var v52 = CreateValve(52, pr1cX - 30, 610);
@@ -390,8 +401,8 @@ namespace PamhagenSysCtrl.Helpers {
             var zv2 = new CenterValve("ZV2", pr2cX, prY - 40, () => 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 +413,23 @@ 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 +483,11 @@ 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/Pipeline/Graph.cs

@@ -54,46 +54,52 @@ 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) {

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/Valve.cs

@@ -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; }

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/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

@@ -57,11 +57,170 @@
             <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>
+
+            <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>
+                    <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>
+                    <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 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 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 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 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 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 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

@@ -2,7 +2,9 @@ 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 {
@@ -14,11 +16,51 @@ namespace PamhagenSysCtrl.Windows {
         private ISet<INode>? _lastSelected;
         private ISet<INode>? _hover;
 
+        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;
             Graph = new();
             Graph.Draw(SchemeCanvas);
+            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;
         }
 
         private void OnClosed(object sender, EventArgs evt) {
@@ -75,13 +117,98 @@ namespace PamhagenSysCtrl.Windows {
             } catch { }
         }
 
+        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 SchemeCanvas_MouseMove(object sender, MouseEventArgs evt) {
-            var p = evt.GetPosition(SchemeCanvas);
             UpdateScheme(evt.GetPosition(SchemeCanvas), 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);
         }
 
@@ -108,13 +235,12 @@ 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 +342,30 @@ 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 +377,52 @@ namespace PamhagenSysCtrl.Windows {
                 }
             }
 
+            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);
+            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 +430,36 @@ 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;
         }