87 lines
3.0 KiB
C#
87 lines
3.0 KiB
C#
using Autodesk.Revit.Attributes;
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using Autodesk.Revit.DB;
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using Autodesk.Revit.UI.Selection;
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using Nice3point.Revit.Toolkit.External;
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namespace ShrlAlgoToolkit.RevitAddins.Modeling;
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[Transaction(TransactionMode.Manual)]
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[Regeneration(RegenerationOption.Manual)]
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public class CADCurveToModelCurveCmd : ExternalCommand
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{
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public override void Execute()
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{
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#region SelectExecute
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using (Transaction trans = new Transaction(Document, "default"))
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{
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try
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{
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Reference refer = UiDocument.Selection.PickObject(ObjectType.Element, "请选择CAD");
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Element e = UiDocument.Document.GetElement(refer);
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if (e is ImportInstance ins)
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{
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trans.Start();
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var cadGeo = e.GetGeometryObjects().FirstOrDefault();
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List<GeometryObject> curves = [];
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if (cadGeo is GeometryInstance geometryInstance)
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{
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curves = [.. geometryInstance.GetInstanceGeometry()];
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}
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foreach (var c in curves)
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{
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if (c is NurbSpline nurb)
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{
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if (nurb.Length > 100 / 304.8)
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{
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var points = nurb.Tessellate();
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ReferencePointArray array = new ReferencePointArray();
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foreach (var p in points)
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{
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var rp = Document.FamilyCreate.NewReferencePoint(p);
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array.Append(rp);
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}
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var curveBypoints = Document.FamilyCreate.NewCurveByPoints(array);
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}
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}
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if (c is PolyLine poly)
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{
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ReferencePointArray array = new ReferencePointArray();
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for (int i = 0; i < poly.NumberOfCoordinates - 1; i++)
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{
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var p = poly.GetCoordinate(i);
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//Line.CreateBound(p, poly.GetCoordinate(i + 1));
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}
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}
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if (c is Line l)
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{
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}
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}
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trans.Commit();
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}
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}
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catch (Autodesk.Revit.Exceptions.OperationCanceledException)
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{
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if (trans.GetStatus() == TransactionStatus.Started)
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{
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trans.Commit();
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}
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}
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catch (Exception ex)
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{
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ErrorMessage = ex.Message;
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if (trans.GetStatus() == TransactionStatus.Started)
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{
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trans.RollBack();
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}
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}
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}
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#endregion SelectExecute
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}
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} |