void BendPolyline(Point3d origin, Point3d fromp, Point3d to, ref Polyline pl)
{
Matrix3d M = BendMatrix(origin, fromp, to);
bool forward = true;
int segment = CheckSegment(origin, fromp, ref pl, out forward);
int start, end;
Point3d temp_p; //временная точка для чтения вершины и преобразования ее
if (forward)
{
start = segment + 1; end = pl.NumberOfVertices - 1; //номера изменяемых вершин включительно
}
else
{
start = 0; end = segment;
}
for (int i = start; i <= end; i++)
{
temp_p = pl.GetPoint3dAt(i);
temp_p = temp_p.TransformBy(M);
pl.SetPointAt(i, UT.from3dto2d(temp_p));
}
pl.AddVertexAt(segment + 1, UT.from3dto2d(origin), pl.GetBulgeAt(segment), pl.GetStartWidthAt(segment), pl.GetEndWidthAt(segment));
}
Polyline BendSingleLine(Point3d origin, Point3d fromp, Point3d to, Line ln)
{
Polyline result = new Polyline();
result.SetPropertiesFrom(ln);
result.AddVertexAt(0, UT.from3dto2d(ln.StartPoint), 0, 0, 0);
result.AddVertexAt(1, UT.from3dto2d(ln.EndPoint), 0, 0, 0);
BendPolyline(origin, fromp, to, ref result);
return(result);
}