private List <CEdge> GetCareCEdgeLtCptCoincident(CPoint LSNodeCpt, CEdge SgCEdge, bool blnAllowOverlap = false)
{
var SmallerAxisAngleCEdge = CDCEL.FindSmallerAxisAngleCEdgebyCEdge(LSNodeCpt, SgCEdge, blnAllowOverlap);
var CareCEdgeLt = new List <CEdge>(1);
if (SgCEdge.dblAxisAngle != SmallerAxisAngleCEdge.dblAxisAngle)
{
CareCEdgeLt.Add(SmallerAxisAngleCEdge.cedgeNext);
}
else
{
if (blnAllowOverlap == true)
{
//this should be a special case where a single polyline has only one edge (SgCEdge),
//at the same time, this edge is used by the combined triangulation
CareCEdgeLt.Add(SmallerAxisAngleCEdge);
}
else
{
throw new ArgumentException("we did not consider overlap!");
}
}
return(CareCEdgeLt);
}
