修改命名空间

ShrlAlgoToolkit.RevitCore/Extensions/ReferenceExtensions.cs

@@ -0,0 +1,26 @@
+using Autodesk.Revit.DB;
+
+namespace ShrlAlgoToolkit.RevitCore.Extensions
+{
+    public static class ReferenceExtensions
+    {
+        public static Curve GetActualEdgeCurve(this Reference selectedEdge, Document doc)
+        {
+            var stable = selectedEdge.ConvertToStableRepresentation(doc);
+            bool SolidInstance = stable.Contains("INSTANCE");//如果是Instance的话，获取到的是族类型的边
+            Element elem = doc.GetElement(selectedEdge.ElementId);
+            var selEdge = elem.GetGeometryObjectFromReference(selectedEdge) as Edge;
+            var selEdgeCurve = selEdge.AsCurve();
+            if (SolidInstance)
+            {
+                Transform tf = Transform.Identity;
+                if (elem is FamilyInstance instance)
+                {
+                    tf = instance.GetTransform();
+                }
+                return selEdgeCurve.CreateTransformed(tf);
+            }
+            return selEdgeCurve;
+        }
+    }
+}