300 lines
14 KiB
C#
300 lines
14 KiB
C#
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using Autodesk.Revit.DB;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace GraphicsStudy
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{
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public static class LineListMethod
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{
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/// <summary>
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/// 封闭轮廓线首尾相连
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/// </summary>
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/// <param name="lineList"></param>
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/// <returns></returns>
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public static List<Line> OrderLineList(this List<Line> lineList)
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{
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List<Autodesk.Revit.DB.Line> lines = new List<Autodesk.Revit.DB.Line> { lineList[0] };
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lineList.RemoveAt(0);
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XYZ firstStart = lines[0].GetEndPoint(0);
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while (lineList.Count != 0)
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{
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XYZ lastEnd = lines.Last().GetEndPoint(1);
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//回到起点
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if (lastEnd.DistanceTo(firstStart) < 1 / 304.8)
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{
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break;
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}
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int index = lineList.FindIndex(m => m.GetEndPoint(0).DistanceTo(lastEnd) < 1 / 304.8);
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if (index != -1)//最后一根线的终点与集合中某条线的起点相同
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{
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lines.Add(lineList.ElementAt(index));
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//移除线
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lineList.RemoveAt(index);
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}
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else//最后一根线的终点与集合中某条线的终点相同
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{
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index = lineList.FindIndex(m => m.GetEndPoint(1).DistanceTo(lastEnd) < 1 / 304.8);
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if (index != -1)//如果存在就将线前后翻转一下，添加进集合
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{
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lines.Add(lineList.ElementAt(index).CreateReversed() as Autodesk.Revit.DB.Line);
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//移除线
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lineList.RemoveAt(index);
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}
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else//可能是没有线与它相同
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{
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//可能是不封闭的
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break;
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}
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}
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}
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//MessageBox.Show(lines.Count.ToString());
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CurveLoop cuLoop = CurveLoop.Create(lines.OfType<Curve>().ToList());
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if (!cuLoop.IsOpen())
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return lines;
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return null;
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}
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/// <summary>
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/// 桥接线
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/// </summary>
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/// <param name="lines"></param>
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/// <param name="range"></param>
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/// <returns></returns>
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public static List<Autodesk.Revit.DB.Line> JoinLines(this List<Autodesk.Revit.DB.Line> lines, double range)
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{
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var newLines = new List<Autodesk.Revit.DB.Line>();
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//先按是否平行且间距小于range分组
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List<List<Autodesk.Revit.DB.Line>> lineListList = new List<List<Autodesk.Revit.DB.Line>>();
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for (int i = 0; i < lines.Count; i++)
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{
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int index = -1;
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for (int j = 0; j < lineListList.Count; j++)
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{
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XYZ midPoint = lineListList[j][0].Evaluate(0.5, true);
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Autodesk.Revit.DB.Line l = Autodesk.Revit.DB.Line.CreateBound(midPoint + 1000 * lineListList[j][0].Direction, midPoint - 1000 * lineListList[j][0].Direction);
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XYZ pj = l.Project(lines[i].GetEndPoint(0)).XYZPoint;
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double d = pj.DistanceTo(lines[i].GetEndPoint(0));
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if (lineListList[j][0].Direction.IsParallel(lines[i].Direction) && d < range)
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{
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index = j;
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break;
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}
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}
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if (index == -1) lineListList.Add(new List<Autodesk.Revit.DB.Line>() { lines[i] });
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else lineListList[index].Add(lines[i]);
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}
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for (int i = 0; i < lineListList.Count; i++)
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{
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List<Autodesk.Revit.DB.Line> lineList = lineListList[i];
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//方向
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var dirt = lineList.ElementAt(0).Direction;
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//点乘信息 线索引 端点坐标 坐标点乘方向
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List<Tuple<int, XYZ, double>> lineEndInfoList = new List<Tuple<int, XYZ, double>>();
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//点乘信息添加
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for (int j = 0; j < lineList.Count; j++)
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{
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lineEndInfoList.Add(Tuple.Create(j, lineList[j].GetEndPoint(0), lineList[j].GetEndPoint(0).DotProduct(dirt).Round(2)));
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lineEndInfoList.Add(Tuple.Create(j, lineList[j].GetEndPoint(1), lineList[j].GetEndPoint(1).DotProduct(dirt).Round(2)));
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}
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//排序
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lineEndInfoList = lineEndInfoList.OrderBy(x => x.Item3).ToList();
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List<XYZ> xyzList = new List<XYZ>();
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while (lineEndInfoList.Count > 0)
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{
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var first = lineEndInfoList.ElementAt(0);
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lineEndInfoList.RemoveAt(0);
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xyzList.Add(first.Item2);
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//拿到第一个线对应的另外一个点
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int index = lineEndInfoList.FindIndex(x => x.Item1 == first.Item1);
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while (true)
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{
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//拿到这部分的集合
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var tempInfoList = lineEndInfoList.GetRange(0, index + 1);
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//最后的一个元素
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var endTemp = tempInfoList.Last();
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//移除该集合
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lineEndInfoList.RemoveRange(0, index + 1);
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//拿到只有一个点在该区域的集合
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List<Tuple<int, XYZ, double>> remainTempList = new List<Tuple<int, XYZ, double>>();
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//排除掉中间有2个索引的线
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while (tempInfoList.Count > 0)
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{
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var firstTemp = tempInfoList.ElementAt(0);
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tempInfoList.RemoveAt(0);
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var tempIndex = tempInfoList.FindIndex(x => x.Item1 == firstTemp.Item1);
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if (tempIndex != -1)
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{
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tempInfoList.RemoveAt(tempIndex);
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}
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else
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{
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remainTempList.Add(firstTemp);
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}
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}
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if (remainTempList.Count == 0)
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{
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xyzList.Add(endTemp.Item2);
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break;
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}
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//找对应最后的一个点的信息
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index = remainTempList.Select(x => lineEndInfoList.FindIndex(m => m.Item1 == x.Item1)).OrderBy(x => x).Last();
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if (index == -1)
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{
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if (lineEndInfoList.Count != 0 && lineEndInfoList[0].Item2.DistanceTo(endTemp.Item2) < 1 / 304.8)
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{
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//两线桥接--只有一个交点的情况
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var firstIndex = lineEndInfoList[0].Item1;
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lineEndInfoList.RemoveAt(0);
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index = lineEndInfoList.FindIndex(x => x.Item1 == firstIndex);
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}
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else
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{
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xyzList.Add(endTemp.Item2);
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break;
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}
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}
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}
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}
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for (int k = 0; k < xyzList.Count; k += 2)
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{
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XYZ pStart = xyzList[k];
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XYZ pEnd = xyzList[k + 1];
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if (pStart.DistanceTo(pEnd) > 1 / 304.8)
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{
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//var mc = Line.CreateBound(pStart, pEnd).GenerateMc(doc, true);
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//mc.SetData(Properties.Resources.TestGuid, Properties.Resources.TestName, i.ToString() + " " + lineListList[i].Count);
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newLines.Add(Autodesk.Revit.DB.Line.CreateBound(pStart, pEnd));
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}
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}
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}
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return newLines;
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}
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/// <summary>
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/// 线相交打断
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/// </summary>
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/// <param name="curveList"></param>
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/// <returns></returns>
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public static List<Line> BreakInterLine(this List<Line> curveList)
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{
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List<Line> lineList = new List<Line>();
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foreach (var m in curveList)
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{
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List<Line> breakLineList = new List<Line>();
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int index = curveList.IndexOf(m);
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//存储所需要的交点
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List<XYZ> intersectPointList = new List<XYZ>();
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//复制m线段然后变成无限长
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Line mLine = Line.CreateBound(m.GetEndPoint(0), m.GetEndPoint(1));
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mLine.MakeUnbound();
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for (int i = 0; i < curveList.Count; i++)
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{
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if (mLine.Direction.IsParallel(curveList[i].Direction)) continue;
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Line iLine = Line.CreateBound(curveList[i].GetEndPoint(0), curveList[i].GetEndPoint(1));
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iLine.MakeUnbound();
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mLine.Intersect(iLine, out IntersectionResultArray resultArray);
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if (resultArray?.get_Item(0)?.XYZPoint != null)
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{
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XYZ resultPoint = resultArray.get_Item(0).XYZPoint;
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double iDistance = curveList[i].GetEndPoint(0).DistanceTo(resultPoint) + curveList[i].GetEndPoint(1).DistanceTo(resultPoint);
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double mDistance = m.GetEndPoint(0).DistanceTo(resultPoint) + m.GetEndPoint(1).DistanceTo(resultPoint);
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if (iDistance - curveList[i].Length < 1 / 304.8 && mDistance - m.Length < 1 / 304.8)
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{
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intersectPointList.Add(resultArray.get_Item(0).XYZPoint);
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}
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}
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}
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//ToDo：不太确定起终点不放进去会不会有问题
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//点去重
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intersectPointList = intersectPointList.Where((x, i) => intersectPointList.FindIndex(c => c.DistanceTo(x) < 1 / 304.8) == i).ToList();
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//排列点并重新生成线段集合
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intersectPointList = intersectPointList.OrderBy(x => m.GetEndPoint(0).DistanceTo(x)).ToList();
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//线段集合
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List<Line> lines = new List<Line>();
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for (int i = 0; i < intersectPointList.Count - 1; i++)
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{
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Line l = Line.CreateBound(intersectPointList[i], intersectPointList[i + 1]);
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lines.Add(l);
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}
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lineList.AddRange(lines);
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}
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return lineList;
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}
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/// <summary>
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/// 去除孤线
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/// </summary>
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/// <param name="curveList"></param>
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/// <returns></returns>
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public static List<Line> DeleteSolitary(this List<Line> curveList)
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{
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List<Line> lineList = new List<Line>();
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foreach (var m in curveList)
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{
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List<Line> breakLineList = new List<Line>();
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int index = curveList.IndexOf(m);
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//存储所需要的交点
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List<XYZ> intersectPointList = new List<XYZ>();
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//复制m线段然后变成无限长
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Line mLine = Line.CreateBound(m.GetEndPoint(0), m.GetEndPoint(1));
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mLine.MakeUnbound();
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for (int i = 0; i < curveList.Count; i++)
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{
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if (mLine.Direction.IsParallel(curveList[i].Direction)) continue;
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Line iLine = Line.CreateBound(curveList[i].GetEndPoint(0), curveList[i].GetEndPoint(1));
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iLine.MakeUnbound();
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mLine.Intersect(iLine, out IntersectionResultArray resultArray);
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if (resultArray?.get_Item(0)?.XYZPoint != null)
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{
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XYZ resultPoint = resultArray.get_Item(0).XYZPoint;
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double iDistance = curveList[i].GetEndPoint(0).DistanceTo(resultPoint) + curveList[i].GetEndPoint(1).DistanceTo(resultPoint);
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double mDistance = m.GetEndPoint(0).DistanceTo(resultPoint) + m.GetEndPoint(1).DistanceTo(resultPoint);
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if (iDistance - curveList[i].Length < 1 / 304.8 && mDistance - m.Length < 1 / 304.8)
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{
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intersectPointList.Add(resultArray.get_Item(0).XYZPoint);
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}
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}
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}
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//点去重
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intersectPointList = intersectPointList.Where((x, i) => intersectPointList.FindIndex(c => c.DistanceTo(x) < 1 / 304.8) == i).ToList();
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//排列点并重新生成线段集合
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intersectPointList = intersectPointList.OrderBy(x => m.GetEndPoint(0).DistanceTo(x)).ToList();
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//线段集合
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List<Line> lines = new List<Line>();
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for (int i = 0; i < intersectPointList.Count - 1; i++)
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{
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Line l = Line.CreateBound(intersectPointList[i], intersectPointList[i + 1]);
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lines.Add(l);
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}
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lineList.AddRange(lines);
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}
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return lineList;
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}
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/// <summary>
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/// 生成详图线,事务在方法外面开启
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/// </summary>
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/// <param name="lines"></param>
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/// <param name="v"></param>
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public static void CreateDetailLine(this List<Line> lines, Document doc, View v)
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{
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foreach (var l in lines)
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{
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doc.Create.NewDetailCurve(v, l);
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}
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}
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}
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}
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