From f4ef8d2f167e92acba7039431309c07113a16172 Mon Sep 17 00:00:00 2001
From: Lorenz Stechauner <lorenz.stechauner@necronda.net>
Date: Sat, 12 Sep 2026 19:50:51 +0200
Subject: [PATCH] Pipeline/Pump: Change triangle to ISO symbol

---
 PamhagenSysCtrl/Helpers/Pipeline/Pump.cs | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/PamhagenSysCtrl/Helpers/Pipeline/Pump.cs b/PamhagenSysCtrl/Helpers/Pipeline/Pump.cs
index 05a795e..95f588c 100644
--- a/PamhagenSysCtrl/Helpers/Pipeline/Pump.cs
+++ b/PamhagenSysCtrl/Helpers/Pipeline/Pump.cs
@@ -26,7 +26,7 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
         protected Func<Pump, bool> CallbackSelected;
 
         private Ellipse? _circle;
-        private Polygon? _triangle;
+        private Polyline? _triangle;
         private TextBlock? _text;
 
         public Pump(string label, double x, double y, Func<MotorState> cbState, Func<bool> cbClearance, Func<Pump, bool> cbSelected) {
@@ -45,9 +45,11 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
                 Fill = Brushes.WhiteSmoke,
                 Stroke = Brushes.Black,
             };
-            _triangle = new Polygon() {
-                Fill = Brushes.Transparent,
+            _triangle = new Polyline() {
                 Stroke = Brushes.Black,
+                StrokeStartLineCap = PenLineCap.Square,
+                StrokeLineJoin = PenLineJoin.Round,
+                StrokeEndLineCap = PenLineCap.Square,
             };
             _text = new() {
                 Text = Label,
@@ -63,12 +65,12 @@ namespace PamhagenSysCtrl.Helpers.Pipeline {
             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);
+            var dx = Math.Cos(Math.PI / 9.5) * (DIAMETER / 2);
+            var dy = Math.Sin(Math.PI / 9.5) * (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),
+                Graph.ToPx(CenterX + dx, CenterY - dy, scale, dxpx: -border, dypx: border / 2, round: false),
             ];
             _triangle?.StrokeThickness = border;
             _text?.FontSize = 14;