更新

ShrlAlgo.Addin.Test/PlaceInstanceByCircleCmd.cs

@@ -0,0 +1,65 @@
+using System;
+
+using Autodesk.Revit.Attributes;
+using Autodesk.Revit.DB;
+using Autodesk.Revit.UI;
+using Autodesk.Revit.UI.Selection;
+
+using Nice3point.Revit.Toolkit.External;
+
+using ShrlAlgoToolkit.Revit.Assists;
+using ShrlAlgoToolkit.Revit.Extensions;
+
+namespace ShrlAlgo.Addin.Test;
+[Transaction(TransactionMode.Manual)]
+[Regeneration(RegenerationOption.Manual)]
+public class PlaceInstanceByCircleCmd : ExternalCommand
+{
+    public override void Execute()
+    {
+        Document.Invoke(
+            _ =>
+            {
+                //var id = UiDocument.Selection.GetElementIds().FirstOrDefault();
+                //PipingSystemType type = Document.GetElement(id) as PipingSystemType;
+                //type.LineColor = Color.InvalidColorValue;
+                //var ids = UiDocument.Selection.GetElementIds();
+                //foreach (var id in ids)
+                //{
+                //    var elem = Document.GetElement(id) as FamilyInstance;
+                //    ;
+                //    ElementTransformUtils.MoveElement(Document, id, elem.FacingOrientation * 121 / 304.8);
+                //}
+                //return;
+
+                var refer = UiDocument.Selection.PickObject(ObjectType.Element, "请选择一个实例");
+                var familyInstance = Document.GetElement(refer) as FamilyInstance;
+                var reference = UiDocument.Selection.PickObject(ObjectType.Element, new FuncFilter(e => e is ImportInstance), "请选择一个实例");
+                var importInstance = Document.GetElement(reference);
+
+                Element elem = Document.GetElement(reference);
+                var geoElem = importInstance.get_Geometry(new Options());
+                GeometryObject geoObj = elem.GetGeometryObjectFromReference(refer);
+
+                foreach (var geo in geoElem)
+                {
+                    if (geo is GeometryInstance instance)
+                    {
+                        if (!familyInstance.Symbol.IsActive)
+                        {
+                            familyInstance.Symbol.Activate();
+                        }
+                        var tf = instance.Transform;
+                        foreach (var geom in instance.GetSymbolGeometry())
+                        {
+                            if (geom is Arc arc && arc.IsCyclic && geom.GraphicsStyleId == geoObj.GraphicsStyleId)//( Document.GetElement(item.GraphicsStyleId) as GraphicsStyle).GraphicsStyleCategory.Name == "平面布置"图层名称
+                            {
+                                var point = tf.OfPoint(arc.Center);
+                                Document.Create.NewFamilyInstance(point, familyInstance.Symbol, Document.ActiveView.GenLevel, Document.ActiveView.GenLevel, familyInstance.StructuralType);
+                            }
+                        }
+                    }
+                }
+            }, "创建实例");
+    }
+}