private List <CPoint> GenerateFieldCpt(CDCEL pDCEL)
{
CEnvelope pEnvelope = pDCEL.pEdgeGrid.pEnvelope;
double dblCellSize = pDCEL.pEdgeGrid.dblCellWidth / 3;
int intRow = Convert.ToInt32(Math.Truncate(pEnvelope.Height / dblCellSize)) + 1;
int intCol = Convert.ToInt32(Math.Truncate(pEnvelope.Width / dblCellSize)) + 1;
List <CPoint> FieldCptLt = new List <CPoint>(intRow * intCol);
double dblX = pEnvelope.XMin;
double dblY = pEnvelope.YMin;
int intCount = 0;
for (int i = 0; i < intRow; i++)
{
dblX = pEnvelope.XMin;
for (int j = 0; j < intCol; j++)
{
FieldCptLt.Add(new CPoint(intCount, dblX, dblY));
dblX += dblCellSize;
intCount++;
}
dblY += dblCellSize;
}
pDCEL.DetectCloestLeftCorrectCEdge(FieldCptLt);
return(FieldCptLt);
}
private CPolygon DetectFaceForSg(CPolyline SgCpl, CDCEL pInterLSDCEL)
{
var identitycpt = CGeoFunc.GetInbetweenCpt(SgCpl.CptLt[0], SgCpl.CptLt[1], 0.5);
//comparing to the method which traverses along DCEL, this method only needs to detect the face once
return(pInterLSDCEL.DetectCloestLeftCorrectCEdge(identitycpt).cpgIncidentFace);
}