public BaseModel DownGrade(PipeLine line)
{
//
if (this.ConnectedPipes.Contains(line))
{
this.RemovePipeLine(line);
if (this.ConnectedPipes.Count == 2)
{
//退化成SimpleJoint 或者 PipeLine
PipeLine line1 = this.ConnectedPipes[0];
PipeLine line2 = this.ConnectedPipes[1];
//退化成新的PipeLine
if (line1.PipeLineCrossTest(line2) == PipeLine.CrossType.ParallelNoConnect)
{
Point3d p1, p2;
PipeJoint co1, co2;
if ((line1.Point(0) - this.CenterPoint).Length > (line1.Point(1) - this.CenterPoint).Length)
{
p1 = line1.Point(0);
co1 = line1.HeadConnectedObject;
}
else
{
p1 = line1.Point(1);
co1 = line1.TailConnectedObject;
}
if ((line2.Point(0) - this.CenterPoint).Length > (line2.Point(1) - this.CenterPoint).Length)
{
p2 = line2.Point(0);
co2 = line2.HeadConnectedObject;
}
else
{
p2 = line2.Point(1);
co2 = line2.TailConnectedObject;
}
PipeLine pLine = new PipeLine(p1, p2, OwnSolution, true);
line1.Delete();
line2.Delete();
pLine.HeadConnectedObject = co1;
if (co1 != null)
{
co1.RemovePipeLine(line1);
co1.AddPipeLine(pLine);
}
pLine.TailConnectedObject = co2;
if (co2 != null)
{
co2.RemovePipeLine(line2);
co2.AddPipeLine(pLine);
}
this.RemoveEntity();
}
else
{
Point3d p1, p2, p3, p4;
bool ht1, ht2; // head or tail, true for head, false for tail
if ((line1.Point(0) - this.CenterPoint).Length > (line1.Point(1) - this.CenterPoint).Length)
{
p1 = line1.Point(0);
p3 = line1.Point(1);
ht1 = false;
}
else
{
p1 = line1.Point(1);
p3 = line1.Point(0);
ht1 = true;
}
if ((line2.Point(0) - this.CenterPoint).Length > (line2.Point(1) - this.CenterPoint).Length)
{
p2 = line2.Point(0);
p4 = line2.Point(1);
ht2 = false;
}
else
{
p2 = line2.Point(1);
p4 = line2.Point(0);
ht2 = true;
}
Point3d intersect = Utility.Intersect(p1, p3 - p1, p2, p4 - p2);
SimplePipeJoint simplePipeJoint = new SimplePipeJoint(p1, intersect, p2, PipeLine.GetScale() / 2, OwnSolution, true);
Point3d p5 = simplePipeJoint.CalculateLastMlineEndPoint();
Point3d p6 = simplePipeJoint.CalculateMlineStartPoint();
if (ht1)
{
line1.UpdateStartPoint(p5);
line1.HeadConnectedObject = simplePipeJoint;
}
else
{
line1.UpdateEndPoint(p5);
line1.TailConnectedObject = simplePipeJoint;
}
if (ht2)
{
line2.UpdateStartPoint(p6);
line2.HeadConnectedObject = simplePipeJoint;
}
else
{
line2.UpdateEndPoint(p6);
line2.TailConnectedObject = simplePipeJoint;
}
simplePipeJoint.AddPipeLine(line1);
simplePipeJoint.AddPipeLine(line2);
this.RemoveEntity();
}
}
else
{
this.GenerateFromConnectedPipes();
}
}
return(null);
}
/// <summary>
/// 管道相交测试
/// </summary>
/// <param name="pipeLine">测试管道</param>
/// <param name="isFirst">相交测试是一个递归的过程，在一层递归里面PipeLine并没有被实际创建，而是在测试结束后才创建，下面的递归
/// 层，测试的管道都是已经被创建了的</param>
/// <returns></returns>
public Point3d?PipeLineCrossTest(PipeLine pipeLine)
{
Point3d?res;
Dictionary <ObjectId, PipeLine> copyPipelines = new Dictionary <ObjectId, PipeLine>();
foreach (var item in PipeLines)
{
copyPipelines.Add(item.Key, item.Value);
}
//和管道测试相交
foreach (var item in copyPipelines)
{
PipeLine cItem = (PipeLine)item.Value;
if (cItem == pipeLine)
{
continue;
}
PipeLine.CrossType type = cItem.PipeLineCrossTest(pipeLine);
if (type == PipeLine.CrossType.CrossNone)
{
continue;
}
else if (type == PipeLine.CrossType.ParallelHead)
{
Point3d p1 = pipeLine.Point(0);
Point3d p2 = pipeLine.Point(1);
Point3d p3;
bool result = false;
if ((p1 - cItem.Point(0)).Length < (p2 - cItem.Point(0)).Length)
{
result = false;
p3 = p2;
}
else
{
result = true;
p3 = p1;
}
Vector3d v = cItem.Point(0) - cItem.Point(1);
Vector3d v1 = p3 - cItem.Point(0);
Point3d p = cItem.Point(0) + v1.DotProduct(v.GetNormal()) * v.GetNormal();
//
pipeLine = new PipeLine(p, cItem.Point(1), false, this);
pipeLine.TailConnectedObject = cItem.TailConnectedObject;
if (pipeLine.TailConnectedObject != null)
{
pipeLine.TailConnectedObject.RemovePipeLine(cItem);
pipeLine.TailConnectedObject.AddPipeLine(pipeLine);
}
cItem.Delete();
//递归调用
res = PipeLineCrossTest(pipeLine);
if (result)
{
return(null);
}
else
{
return(res);
}
}
else if (type == PipeLine.CrossType.ParallelTail)
{
Point3d p1 = pipeLine.Point(0);
Point3d p2 = pipeLine.Point(1);
Point3d p3;
bool result;
if ((p1 - cItem.Point(1)).Length < (p2 - cItem.Point(1)).Length)
{
result = false;
p3 = p2;
}
else
{
result = true;
p3 = p1;
}
Vector3d v = cItem.Point(1) - cItem.Point(0);
Vector3d v1 = p3 - cItem.Point(1);
Point3d p = cItem.Point(1) + v1.DotProduct(v.GetNormal()) * v.GetNormal();
//
pipeLine = new PipeLine(cItem.Point(0), p, false, this);
pipeLine.HeadConnectedObject = cItem.HeadConnectedObject;
if (pipeLine.HeadConnectedObject != null)
{
pipeLine.HeadConnectedObject.RemovePipeLine(cItem);
pipeLine.HeadConnectedObject.AddPipeLine(pipeLine);
}
cItem.Delete();
//递归调用
res = PipeLineCrossTest(pipeLine);
if (result)
{
return(null);
}
else
{
return(res);
}
}
else if (type == PipeLine.CrossType.NonParallelHead)
{
Point3d p1 = pipeLine.Point(0);
Point3d p2 = pipeLine.Point(1);
Point3d p3;
bool result;
if ((p1 - cItem.Point(0)).Length < (p2 - cItem.Point(0)).Length)
{
result = false;
p3 = p2;
}
else
{
result = true;
p3 = p1;
}
SimplePipeJoint simplePipeJoint = new SimplePipeJoint(cItem.Point(1), cItem.Point(0), p3, PipeLine.GetScale() / 2, this, true);
cItem.UpdateStartPoint(simplePipeJoint.CalculateLastMlineEndPoint());
Point3d startPoint = simplePipeJoint.CalculateMlineStartPoint();
simplePipeJoint.AddPipeLine(cItem);
PipeLine newLine = new PipeLine(p3, startPoint, false, this);
simplePipeJoint.AddPipeLine(newLine);
cItem.HeadConnectedObject = simplePipeJoint;
newLine.TailConnectedObject = simplePipeJoint;
if (pipeLine.HeadConnectedObject != null)
{
pipeLine.HeadConnectedObject.RemovePipeLine(pipeLine);
pipeLine.HeadConnectedObject.AddPipeLine(newLine);
newLine.HeadConnectedObject = pipeLine.HeadConnectedObject;
}
//递归调用
res = PipeLineCrossTest(newLine);
if (result)
{
return(null);
}
else
{
return(res);
}
}
else if (type == PipeLine.CrossType.NonParallelTail)
{
Point3d p1 = pipeLine.Point(0);
Point3d p2 = pipeLine.Point(1);
Point3d p3;
bool result;
if ((p1 - cItem.Point(1)).Length < (p2 - cItem.Point(1)).Length)
{
result = false;
p3 = p2;
}
else
{
result = true;
p3 = p1;
}
SimplePipeJoint simplePipeJoint = new SimplePipeJoint(cItem.Point(0), cItem.Point(1), p3, PipeLine.GetScale() / 2, this, true);
cItem.UpdateEndPoint(simplePipeJoint.CalculateLastMlineEndPoint());
cItem.TailConnectedObject = simplePipeJoint;
Point3d startPoint = simplePipeJoint.CalculateMlineStartPoint();
simplePipeJoint.AddPipeLine(cItem);
PipeLine newLine = new PipeLine(startPoint, p3, false, this);
simplePipeJoint.AddPipeLine(newLine);
newLine.HeadConnectedObject = simplePipeJoint;
if (pipeLine.TailConnectedObject != null)
{
pipeLine.TailConnectedObject.RemovePipeLine(pipeLine);
pipeLine.TailConnectedObject.AddPipeLine(newLine);
newLine.TailConnectedObject = pipeLine.TailConnectedObject;
}
res = PipeLineCrossTest(newLine);
if (result)
{
return(null);
}
else
{
return(res);
}
}
else if (type == PipeLine.CrossType.CrossHead)
{
MultiPipeJoint mj = new MultiPipeJoint(this, true);
List <Point3d> ps = mj.GenerateFromCrossPipe(cItem, pipeLine.Point(0), pipeLine.Point(1), PipeLine.GetScale() / 2);
PipeLine p1 = new PipeLine(cItem.Point(0), ps[0], this, true);
PipeLine p2 = new PipeLine(ps[1], cItem.Point(1), this, true);
//
if (cItem.HeadConnectedObject != null)
{
cItem.HeadConnectedObject.RemovePipeLine(cItem);
cItem.HeadConnectedObject.AddPipeLine(p1);
}
if (cItem.TailConnectedObject != null)
{
cItem.TailConnectedObject.RemovePipeLine(cItem);
cItem.TailConnectedObject.AddPipeLine(p2);
}
p1.HeadConnectedObject = cItem.HeadConnectedObject;
p1.TailConnectedObject = mj;
p2.HeadConnectedObject = mj;
p2.TailConnectedObject = cItem.TailConnectedObject;
Point3d startPoint = ps[2];
cItem.Delete();
PipeLine pLine = new PipeLine(startPoint, pipeLine.Point(1), false, this);
pLine.HeadConnectedObject = mj;
if (pipeLine.TailConnectedObject != null)
{
pipeLine.TailConnectedObject.RemovePipeLine(pipeLine);
pipeLine.TailConnectedObject.AddPipeLine(pLine);
pLine.TailConnectedObject = pipeLine.TailConnectedObject;
}
mj.AddPipeLine(p1);
mj.AddPipeLine(p2);
mj.AddPipeLine(pLine);
res = PipeLineCrossTest(pLine);
return(res);
}
else if (type == PipeLine.CrossType.CrossTail)
{
//
MultiPipeJoint mj = new MultiPipeJoint(this, true);
List <Point3d> ps = mj.GenerateFromCrossPipe(cItem, pipeLine.Point(1), pipeLine.Point(0), PipeLine.GetScale() / 2);
PipeLine p1 = new PipeLine(cItem.Point(0), ps[0], this, true);
PipeLine p2 = new PipeLine(ps[1], cItem.Point(1), this, true);
//
if (cItem.HeadConnectedObject != null)
{
cItem.HeadConnectedObject.RemovePipeLine(cItem);
cItem.HeadConnectedObject.AddPipeLine(p1);
}
if (cItem.TailConnectedObject != null)
{
cItem.TailConnectedObject.RemovePipeLine(cItem);
cItem.TailConnectedObject.AddPipeLine(p2);
}
p1.HeadConnectedObject = cItem.HeadConnectedObject;
p1.TailConnectedObject = mj;
p2.HeadConnectedObject = mj;
p2.TailConnectedObject = cItem.TailConnectedObject;
Point3d startPoint = ps[2];
cItem.Delete();
PipeLine pLine = new PipeLine(pipeLine.Point(0), startPoint, false, this);
pLine.TailConnectedObject = mj;
if (pipeLine.HeadConnectedObject != null)
{
pipeLine.HeadConnectedObject.RemovePipeLine(pipeLine);
pipeLine.HeadConnectedObject.AddPipeLine(pLine);
pLine.HeadConnectedObject = pipeLine.HeadConnectedObject;
}
mj.AddPipeLine(p1);
mj.AddPipeLine(p2);
mj.AddPipeLine(pLine);
PipeLineCrossTest(pLine);
return(mj.CenterPoint);
}
else if (type == PipeLine.CrossType.CrossOver)
{
MultiPipeJoint mj = new MultiPipeJoint(this, true);
List <Point3d> ps = mj.GenerateFromCrossPipe(cItem, pipeLine.Point(1), pipeLine.Point(0), PipeLine.GetScale() / 2);
PipeLine p1 = new PipeLine(cItem.Point(0), ps[0], this, true);
PipeLine p2 = new PipeLine(ps[1], cItem.Point(1), this, true);
if (cItem.HeadConnectedObject != null)
{
cItem.HeadConnectedObject.RemovePipeLine(cItem);
cItem.HeadConnectedObject.AddPipeLine(p1);
}
if (cItem.TailConnectedObject != null)
{
cItem.TailConnectedObject.RemovePipeLine(cItem);
cItem.TailConnectedObject.AddPipeLine(p2);
}
p1.HeadConnectedObject = cItem.HeadConnectedObject;
p1.TailConnectedObject = mj;
p2.HeadConnectedObject = mj;
p2.TailConnectedObject = cItem.TailConnectedObject;
Point3d startPoint = ps[2];
cItem.Delete();
PipeLine pLine = new PipeLine(pipeLine.Point(0), startPoint, false, this);
pLine.TailConnectedObject = mj;
if (pipeLine.HeadConnectedObject != null)
{
pipeLine.HeadConnectedObject.RemovePipeLine(pipeLine);
pipeLine.HeadConnectedObject.AddPipeLine(pLine);
pLine.HeadConnectedObject = pipeLine.HeadConnectedObject;
}
mj.AddPipeLine(p1);
mj.AddPipeLine(p2);
mj.AddPipeLine(pLine);
PipeLineCrossTest(pLine);
//插入新的点
PipeLine se = mj.UpdateMultiJoint(pipeLine.Point(1));
se.HeadConnectedObject = mj;
if (pipeLine.TailConnectedObject != null)
{
pipeLine.TailConnectedObject.RemovePipeLine(pipeLine);
pipeLine.TailConnectedObject.AddPipeLine(se);
se.TailConnectedObject = pipeLine.TailConnectedObject;
}
res = PipeLineCrossTest(se);
return(res);
}
}
foreach (var item in SimplePipeJoints)
{
SimplePipeJoint pItem = (SimplePipeJoint)item.Value;
if (pItem.PointInJoint(pipeLine.Point(0)) && !pItem.ConnectedPipes.Contains(pipeLine))
{
MultiPipeJoint mpj = new MultiPipeJoint(this, true);
PipeLine ps = mpj.GenerateFromSimpleJoint(pItem, pipeLine.Point(1), PipeLine.GetScale() / 2);
ps.HeadConnectedObject = mpj;
res = PipeLineCrossTest(ps);
return(res);
}
if (pItem.PointInJoint(pipeLine.Point(1)) && !pItem.ConnectedPipes.Contains(pipeLine))
{
MultiPipeJoint mpj = new MultiPipeJoint(this, true);
PipeLine ps = mpj.GenerateFromSimpleJoint(pItem, pipeLine.Point(0), PipeLine.GetScale() / 2);
ps.TailConnectedObject = mpj;
res = PipeLineCrossTest(ps);
return(null);
}
}
foreach (var item in MultiPipeJoints)
{
MultiPipeJoint pItem = (MultiPipeJoint)item.Value;
if (pItem.PointInJoint(pipeLine.Point(0)) && !pItem.ConnectedPipes.Contains(pipeLine))
{
PipeLine se = pItem.UpdateMultiJoint(pipeLine.Point(1));
se.HeadConnectedObject = pItem;
res = PipeLineCrossTest(se);
return(res);
}
if (pItem.PointInJoint(pipeLine.Point(1)) && !pItem.ConnectedPipes.Contains(pipeLine))
{
PipeLine se = pItem.UpdateMultiJoint(pipeLine.Point(0));
se.HeadConnectedObject = pItem;
res = PipeLineCrossTest(se);
return(null);
}
}
pipeLine.SaveEntity();
return(pipeLine.Point(1));
}