public ContourStitcher(ContourLine line1, ContourLine line2)
{
if (line1.GetZ() > line2.GetZ())
{
lineUp = line1;
lineDown = line2;
}
else
{
lineUp = line2;
lineDown = line1;
}
lineUpProcessed = new List <FloatDouble>(lineUp.GetLinePointCount());
lineDownProcessed = new List <FloatDouble>(lineDown.GetLinePointCount());
CopyArray(lineUp.GetPointList(), lineUpProcessed);
CopyArray(lineDown.GetPointList(), lineDownProcessed);
boxUp = lineUp.GetBox();
boxDown = lineDown.GetBox();
Point3d cU = boxUp.GetCenter();
Point3d cD = boxDown.GetCenter();
ContourLineSurfaceGenerator.Transform(lineDownProcessed, -cD.X, -cD.Y);
ContourLineSurfaceGenerator.Transform(lineUpProcessed, -cU.X, -cU.Y);
int indexDown = GetNearIndex();
AdjustDownArray(indexDown);
}
public Mesh DoStitching()
{
Mesh m = new Mesh();
int[] upMap = new int[lineUpProcessed.Count];
float dx1 = boxUp.GetCenter().X;
float dy1 = boxUp.GetCenter().Y;
float dx2 = boxDown.GetCenter().X;
float dy2 = boxDown.GetCenter().Y;
int[] downMap = new int[lineDownProcessed.Count];
for (int i = 0; i < lineDownProcessed.Count; i++)
{
Point3d p = new Point3d(lineDownProcessed[i].X + dx2, lineDownProcessed[i].Y + dy2, lineDown.GetZ());
downMap[i] = m.AddVertex(p);
}
for (int i = 0; i < lineUpProcessed.Count; i++)
{
Point3d p = new Point3d(lineUpProcessed[i].X + dx1, lineUpProcessed[i].Y + dy1, lineUp.GetZ());
upMap[i] = m.AddVertex(p);
}
int upIndex = 0;
int downIndex = 0;
QuadUnit quad = new QuadUnit();
quad.lineDown = lineDownProcessed;
quad.lineUp = lineUpProcessed;
while (true)
{
if (upIndex == lineUpProcessed.Count - 1 || downIndex == lineDownProcessed.Count - 1)
{
break;
}
quad.Init(upIndex, downIndex);
if (quad.DiaU0D1Len < quad.DiaU1D0Len)
{
Triangle t = new Triangle(upMap[quad.UpIndex0], downMap[quad.DownIndex0], downMap[quad.DownIndex1]);
m.AddFace(t);
downIndex++;
}
else
{
Triangle t = new Triangle(upMap[quad.UpIndex0], downMap[quad.DownIndex0], upMap[quad.UpIndex1]);
m.AddFace(t);
upIndex++;
}
}
if (upIndex == lineUpProcessed.Count - 1 || downIndex == lineDownProcessed.Count - 1)
{
if (downIndex == lineDownProcessed.Count - 1)
{
int last = lineDownProcessed.Count - 1;
while (upIndex != lineUpProcessed.Count - 1)
{
Triangle t = new Triangle(downMap[last], upMap[upIndex + 1], upMap[upIndex]);
m.AddFace(t);
upIndex++;
}
}
else
{
int last = lineUpProcessed.Count - 1;
while (downIndex != lineDownProcessed.Count - 1)
{
Triangle t = new Triangle(upMap[last], downMap[downIndex], downMap[downIndex + 1]);
m.AddFace(t);
downIndex++;
}
}
}
quad.InitLast();
if (quad.DiaU0D1Len < quad.DiaU1D0Len)
{
Triangle t = new Triangle(upMap[quad.UpIndex0], downMap[quad.DownIndex0], downMap[quad.DownIndex1]);
Triangle t2 = new Triangle(upMap[quad.UpIndex0], downMap[quad.DownIndex1], upMap[quad.UpIndex1]);
m.AddFace(t);
m.AddFace(t2);
}
else
{
Triangle t = new Triangle(upMap[quad.UpIndex0], downMap[quad.DownIndex0], upMap[quad.UpIndex1]);
Triangle t2 = new Triangle(upMap[quad.UpIndex1], downMap[quad.DownIndex0], downMap[quad.DownIndex1]);
m.AddFace(t);
m.AddFace(t2);
}
return(m);
}
