public static Loop getMinBoundary(TBPLineSegment startSeg, object userData /*,out List<Point3d> result2*/)
{
try
{
Loop b = getBoundary(startSeg, userData);
if (b != null && b.segments.Count == 1)
{
return(b);
}
if (b != null && b.scanAngle > 0)
{
return(b);
}
else
{
b = getBoundary(startSeg, userData);
if (b != null && b.scanAngle > 0)
{
return(b);
}
}
}
catch (System.Exception ex)
{
}
return(null);
}
public double scanAngle(TBPLineSegment second, TBPoint interPoint)
{
Point3d p1, p2, p3;
TBPLineSegment s1 = null;
TBPLineSegment s2 = null;
if ((interPoint == this.StartPoint) && (this.StartPoint == second.StartPoint))
{
s1 = this.newReverse();
s2 = second;
}
else if ((interPoint == this.StartPoint) && (this.StartPoint == second.EndPoint))
{
s1 = this.newReverse();
s2 = second.newReverse();
}
else if ((interPoint == this.EndPoint) && (this.EndPoint == second.StartPoint))
{
s1 = this;
s2 = second;
}
else if ((interPoint == this.EndPoint) && (this.EndPoint == second.EndPoint))
{
s1 = this;
s2 = second.newReverse();
}
p1 = s1.acPline.GetPointAtParameter(this.acPline.EndParam - 1);
p2 = s1.EndPoint.acPoint;
p3 = s2.acPline.GetPointAtParameter(1);
return(AngleUtil.scanAngle(p1, p2, p3));
}
public static Loop getBoundary(TBPLineSegment startSeg, object userData)
{
Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;
Loop resultLoop = new Loop();
resultLoop.userData = userData;
List <LoopSeg> loopSegs = resultLoop.segments;
//result2 = new List<Point3d>();
//result.Add(startSeg);
double scanAngle = 0;
TBPLineSegment previousSeg = startSeg;
TBPoint startPoint;
TBPoint nextp = startSeg.nextPoint(out startPoint);
if (nextp == null)
{
return(null);
}
scanAngle += startSeg.scanAngle(startPoint);
//result2.Add(startPoint.acPoint);
loopSegs.Add(new LoopSeg(startSeg, startPoint));
resultLoop.startPoint = startPoint;
while (nextp != null)
{
TBPLineSegment nextSeg = nextp.nextSegment(previousSeg);
if (nextSeg == startSeg)
{
throw new System.Exception("TraceBoundary 39");
}
scanAngle += nextSeg.scanAngle(nextp);
scanAngle += previousSeg.scanAngle(nextSeg, nextp);
loopSegs.Add(new LoopSeg(nextSeg, nextp));
nextp = nextSeg.nextPoint(nextp);
if (nextp == null)
{
return(null);
//throw new System.Exception("TraceBoundary 44");
}
previousSeg = nextSeg;
if (nextp == startPoint)
{
scanAngle += previousSeg.scanAngle(startSeg, startPoint);
break;
}
}
resultLoop.scanAngle = scanAngle;
if (resultLoop.segments.Count <= 1)
{
}
if (scanAngle <= 0)
{
ed.WriteMessage("\nangle:" + scanAngle + "\n" + startSeg.toString());
}
return(resultLoop);
}
int getIndex(TBPLineSegment seed)
{
int r = this.SegmentedPLines.FindIndex(item =>
{
if (item == seed)
{
return(true);
}
return(false);
});
return(r);
}
public static Loop getClosedBoundary(TBPLine pl, object userData)
{
if (pl.acPline.Closed || pl.IsLooped)
{
Loop l = new Loop();
TBPLineSegment tbpl = new TBPLineSegment(pl.acPline);
LoopSeg ls = new LoopSeg(tbpl, LineDirection.positive);
l.segments.Add(ls);
l.startPoint = tbpl.StartPoint;
l.userData = userData;
return(l);
}
return(null);
}
public TBPLineSegment newReverse()
{
Point3dCollection ps = new Point3dCollection();
for (int i = (int)this.acPline.EndParam; i >= 0; i--)
{
ps.Add(this.acPline.GetPointAtParameter(i));
}
TBPLineSegment newSeg = new TBPLineSegment(new Polyline3d(Poly3dType.SimplePoly, ps, false), this.endPoint, this.startPoint);
//newSeg.StartPoint = this.EndPoint;
//newSeg.EndPoint = this.StartPoint;
return(newSeg);
}
public LoopSeg(TBPLineSegment seg, TBPoint startP)
{
segment = seg;
if (startP == seg.StartPoint)
{
direction = LineDirection.positive;
}
else if (startP == seg.EndPoint)
{
direction = LineDirection.negtive;
}
else
{
throw new System.Exception("BoundarySeg.cs 39");
}
}
public double scanAngle(TBPoint startp)
{//闭合情况下，没有计算末尾到开始的角度
if (startp == this.StartPoint)
{
return(this.scanAngle());
}
else if (startp == this.EndPoint)
{
TBPLineSegment reverse = this.newReverse();
return(reverse.scanAngle());
}
else
{
throw new System.Exception("TBPLineSegment 69");
}
}
public List <Point3d> getInnerPoints(TBPoint startp)
{
TBPLineSegment seg = this;
if (startp == this.StartPoint)
{
}
else if (startp == this.EndPoint)
{
seg = this.newReverse();
}
else
{
return(null);
}
return(seg.getInnerPoints());
}
public TBPoint getIntersectPoint(TBPLineSegment second)
{
if (this.StartPoint == second.StartPoint)
{
return(this.StartPoint);
}
else if (this.StartPoint == second.EndPoint)
{
return(this.StartPoint);
}
else if (this.EndPoint == second.StartPoint || this.EndPoint == second.EndPoint)
{
return(this.EndPoint);
}
else
{
return(null);
}
}
public TBPLineSegment nextSegment(TBPLineSegment seg)
{
int index = getIndex(seg);
if (index < 0)
{
throw new System.Exception("TBPoint 51.index<0");
}
int previousIndex = -1;
if (index == 0)
{
previousIndex = this.SegmentedPLines.Count - 1;
}
else
{
previousIndex = index - 1;
}
return(this.SegmentedPLines[previousIndex]);
}
public static Loop getMaxBoundary(TBPLineSegment startSeg, object userData)
{
Loop b = getBoundary(startSeg, userData);
if (b != null && b.segments.Count == 1)
{
return(b);
}
if (b != null && b.scanAngle < 0)
{
return(b);
}
else
{
b = getBoundary(startSeg, userData);
if (b != null && b.scanAngle < 0)
{
return(b);
}
}
return(null);
}
public void divide()
{
this.SegmentedPlines = new List <TBPLineSegment>();
ObjectId layerId = My.LayerUtil.CreateLayer("segment", 255, false);
try
{
Document acDoc = Application.DocumentManager.MdiActiveDocument;
Database acCurDb = acDoc.Database;
/*using (Transaction tran = acCurDb.TransactionManager.StartTransaction())
* {
* BlockTable bt = tran.GetObject(acCurDb.BlockTableId, OpenMode.ForRead) as BlockTable;
* BlockTableRecord modelSpace = tran.GetObject(bt[BlockTableRecord.ModelSpace], OpenMode.ForWrite) as BlockTableRecord;*/
if (intersectPoints.Count <= 0)
{
return;
}
for (int i = 0; i < intersectPoints.Count - 1; i++)
{
TBPoint p1 = intersectPoints[i];
TBPoint p2 = intersectPoints[i + 1];
Point3dCollection vertexes = new Point3dCollection();
//My.MyDBUtility.addPolyline3d(segmentedPl, layerId);
//ObjectId oid = modelSpace.AppendEntity(segmentedPl);
//tran.AddNewlyCreatedDBObject(segmentedPl, true);
vertexes.Add(p1.acPoint);
//segmentedPl.AppendVertex(vertex);
int n = 0;
int vertexCount = 1;
while (true)
{
double nextP;
if (Math.Ceiling(p1.TempParam) - p1.TempParam < 1e-10)
{
nextP = Math.Ceiling(p1.TempParam) + (++n);
}
else
{
nextP = Math.Ceiling(p1.TempParam) + (n++);
}
if (nextP - p2.TempParam > 1e-10)
{
break;
}
else if (Math.Abs(nextP - p2.TempParam) <= 1e-10)
{
break;
}
//segmentedPl.AppendVertex(new PolylineVertex3d(acPline.GetPointAtParameter(nextP)));
vertexes.Add(acPline.GetPointAtParameter(nextP));
vertexCount++;
}
//segmentedPl.AppendVertex(new PolylineVertex3d(p2.acPoint));
vertexes.Add(p2.acPoint);
vertexCount++;
if (vertexCount >= 2)
{
Polyline3d segmentedPl = new Polyline3d(Poly3dType.SimplePoly, vertexes, false);
TBPLineSegment tbpline = new TBPLineSegment(segmentedPl, p1, p2);
//tbpline.StartPoint = p1;
//tbpline.EndPoint = p2;
this.SegmentedPlines.Add(tbpline);
//p1.SegmentedPLines.Add(tbpline);
//p2.SegmentedPLines.Add(tbpline);
p1.addSegment(tbpline);
p2.addSegment(tbpline);
}
}
if (this.isClosed || this.IsLooped)
{
TBPoint p1 = intersectPoints[intersectPoints.Count - 1];
Point3dCollection vertexes = new Point3dCollection();
vertexes.Add(p1.acPoint);
My.PolylineUtil.getPointsBetween2Point(acPline, p1.TempParam, acPline.EndParam, vertexes);
vertexes.Add(acPline.StartPoint);
TBPoint p2 = intersectPoints[0];
My.PolylineUtil.getPointsBetween2Point(acPline, 0, p2.TempParam, vertexes);
vertexes.Add(p2.acPoint);
if (vertexes.Count >= 2)
{
Polyline3d segmentedPl = new Polyline3d(Poly3dType.SimplePoly, vertexes, false);
TBPLineSegment tbpline = new TBPLineSegment(segmentedPl, p1, p2);
this.SegmentedPlines.Add(tbpline);
p1.addSegment(tbpline);
p2.addSegment(tbpline);
}
}
//tran.Commit();
//}
}
catch (System.Exception ex)
{
}
}
public void addSegment(TBPLineSegment seg)
{
segmentedPLines.Add(seg);
}
public LoopSeg(TBPLineSegment seg, LineDirection dir)
{
segment = seg;
direction = dir;
}