220 lines
9.8 KiB
C#
220 lines
9.8 KiB
C#
using System.Collections.ObjectModel;
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using System.Diagnostics;
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using System.Security.Cryptography;
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using System.Windows;
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using Autodesk.Revit.DB;
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using Autodesk.Revit.UI;
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using CommunityToolkit.Mvvm.ComponentModel;
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using CommunityToolkit.Mvvm.Input;
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using Nice3point.Revit.Toolkit.External.Handlers;
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namespace Sai.RvKits.RvView
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{
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public partial class QuickViewSectionViewModel : ObservableObject
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{
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private readonly ActionEventHandler handler = new();
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[ObservableProperty]
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private bool isParallel = true;
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private readonly List<ViewSection> viewSections = [];
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[RelayCommand]
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private void DeleteViewSection()
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{
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handler.Raise(
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uiapp =>
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{
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var uidoc = uiapp.ActiveUIDocument;
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var doc = uidoc.Document;
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doc.Invoke(
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ts =>
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{
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for (var i = viewSections.Count - 1; i >= 0; i--)
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{
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var view = viewSections[i];
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if (view.IsValidObject)
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{
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var uiView = uidoc.GetOpenUIViews().FirstOrDefault(ui => ui.ViewId == view.Id);
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uiView?.Close();
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viewSections.Remove(view);
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doc.Delete(view.Id);
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}
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}
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}, "删除快速剖面");
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});
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}
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[RelayCommand]
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private void CreateViewSection()
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{
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handler.Raise(
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uiapp =>
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{
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var uidoc = uiapp.ActiveUIDocument;
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var element = uidoc.SelectObject(new FuncFilter(elem => elem.GetLocCurve() is Line));
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#region 选择方向
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//var firstTip = "请选择第一个点以确定正交剖面的定位点";
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//var lastTip = "请选择第二个点以确定拉抻的深度";
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//if (IsParallel)
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//{
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// firstTip = "请选择第一个剖面范围水平的边界点";
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// lastTip = "请选择第二个剖面范围水平的边界点";
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//}
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//var firstrefer = uidoc.Selection
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// .PickObject(Autodesk.Revit.UI.Selection.ObjectType.PointOnElement, firstTip);
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//var lastrefer = uidoc.Selection
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// .PickObject(Autodesk.Revit.UI.Selection.ObjectType.PointOnElement, lastTip);
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//var first = firstrefer.GlobalPoint;
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//var last = firstrefer.GlobalPoint;
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//var elementByCurve = uidoc.Document.GetElement(firstrefer);
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//var firstPoint = elementByCurve.GetLocCurve().Project(first).XYZPoint;
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//var lastPoint = elementByCurve.GetLocCurve().Project(last).XYZPoint;
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#endregion
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var lc = element.Location as LocationCurve;
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var line = lc.Curve as Line;
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var doc = uidoc.Document;
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//获取剖面图类型
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var viewfamilyType = doc.OfClass<ViewFamilyType>()
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.Cast<ViewFamilyType>()
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.Where(t => t.ViewFamily == ViewFamily.Section)
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.FirstOrDefault();
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var bb = element.get_BoundingBox(null);
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var minZ = bb.Min.Z;
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var maxZ = bb.Max.Z;
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var baseLength = (bb.Max - bb.Min).GetLength();
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ViewSection viewSection = null;
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BoundingBoxXYZ sectionBox;
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//transform.x：RightDirection，transform.y：UpDirection=Z轴，transform.z：ViewDirection (r x u=v)
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var t = Transform.Identity;
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Debug.WriteLine($"Length：{baseLength}");
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Debug.WriteLine("拾取对象：");
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Debug.WriteLine($"Min：{bb.Min}");
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Debug.WriteLine($"Max：{bb.Max}");
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//获得定位点
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t.Origin = line.Evaluate(0.5, true).Flatten();
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//t.Origin = line.GetEndPoint(0).Flatten();
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Debug.WriteLine("定义剖面：");
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Debug.WriteLine($"Transform.Origin：{t.Origin}");
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t.BasisY = XYZ.BasisZ;//固定朝上UpDirection
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var viewName = $"{element.Category.Name}({element.Id})";
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if (IsParallel)
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{
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//剖面视图中，裁剪框左下角的点
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var min = new XYZ(-(baseLength + 1) / 2, minZ - 10, -2);
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//剖面视图中，裁剪框右上角的点
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var max = new XYZ((baseLength + 1) / 2, maxZ + 10, 2);
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Debug.WriteLine($"Min：{min}");
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Debug.WriteLine($"Max：{max}");
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viewName = $"平行剖面-{viewName}";
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t.BasisX = line.Direction;//与生成的最终剖面视图的RightDirection反向(定义Transform)
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t.BasisZ = line.Direction.CrossProduct(XYZ.BasisZ);//与生成的最终剖面视图的ViewDirection反向(定义Transform)
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Debug.WriteLine($"Transform.BasisX：{t.BasisX}");
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Debug.WriteLine($"Transform.BasisZ：{t.BasisZ}");
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sectionBox = new BoundingBoxXYZ
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{
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Transform = t,
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Min = min,
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Max = max
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};
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}
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else
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{
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//var transform = line.ComputeDerivatives(0.5, true);//求导切向为BasisX
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viewName = $"正交剖面-{viewName}";
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t.BasisX = XYZ.BasisZ.CrossProduct(line.Direction);
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t.BasisZ = line.Direction;
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var min = new XYZ(-5, minZ - 5, -2);
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var max = new XYZ(5, maxZ + 5, 2);
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Debug.WriteLine($"Transform.BasisX：{t.BasisX}");
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Debug.WriteLine($"Transform.BasisZ：{t.BasisZ}");
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try
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{
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sectionBox = new BoundingBoxXYZ
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{
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Transform = t,
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Min = min,
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Max = max
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};
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}
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catch (Exception)
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{
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throw;
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}
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}
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doc.Invoke(
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ts =>
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{
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if (sectionBox == null)
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{
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return;
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}
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viewSection = ViewSection.CreateSection(uidoc.Document, viewfamilyType.Id, sectionBox);
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viewSection.DisplayStyle = DisplayStyle.ShadingWithEdges;
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viewSection.DetailLevel = ViewDetailLevel.Fine;
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var isExistName = false;
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try
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{
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viewSection.Name = viewName;
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}
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catch (Autodesk.Revit.Exceptions.ArgumentException)
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{
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isExistName = true;
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}
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if (isExistName)
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{
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for (var i = 0; i < 100; i++)
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{
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try
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{
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viewSection.Name = $"{viewName} {i + 1}";
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break;
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}
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catch (Autodesk.Revit.Exceptions.ArgumentException)
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{
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}
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}
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}
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ts.Commit();
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if (viewSection != null)
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{
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viewSections.Add(viewSection);
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}
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Debug.WriteLine("生成后：");
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Debug.WriteLine($"CropBox.Origin：{viewSection.CropBox.Transform.Origin}");
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Debug.WriteLine($"CropBox.BasisX：{viewSection.CropBox.Transform.BasisX}");
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Debug.WriteLine($"CropBox.BasisZ：{viewSection.CropBox.Transform.BasisZ}");
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Debug.WriteLine($"CropBox.Min：{viewSection.CropBox.Min}");
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Debug.WriteLine($"CropBox.Max：{viewSection.CropBox.Max}");
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Debug.WriteLine($"RightDirection：{viewSection.RightDirection}");
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Debug.WriteLine($"ViewDirection：{viewSection.ViewDirection}");
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if (viewSection != null)
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{
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uidoc.ActiveView = viewSection;
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uidoc.Selection.SetElementIds([element.Id]);
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}
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}, "创建快速剖面");
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});
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}
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}
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}
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