public List <CCorrSegment> UnionLSCPl(ref List <CPolyline> pSSCPlLt, ref List <CPolyline> LSAttentionCPlLt, ref List <CPolyline> SSAttentionCPlLt)
{
for (int i = 0; i < pSSCPlLt.Count; i++)
{
pSSCPlLt[i].SetBaseLine(true);
if (pSSCPlLt[i].CorrCGeoLt.Count == 0) //if a Smaller-scale polyline doesn't have any correspondecnes, we have to care about it
{
SSAttentionCPlLt.Add(pSSCPlLt[i]);
}
else //the codes here can be improved, using a SortedSet
{
//merge larger-scale polylines according to smaller-scale polylines
List <CPolyline> CorrCPlLt = new List <CPolyline>();
CorrCPlLt.AddRange(pSSCPlLt[i].CorrCGeoLt as IEnumerable <CPolyline>);
CPolyline pUnionPolyline = CorrCPlLt[0].CopyCpl();
CorrCPlLt.RemoveAt(0);
bool isSuccessful = true;
while (CorrCPlLt.Count > 0)
{
bool isUnioned = false;
for (int j = 0; j < CorrCPlLt.Count; j++)
{
pUnionPolyline.UnionCpl(CorrCPlLt[j], ref isUnioned);
if (isUnioned == true)
{
CorrCPlLt.RemoveAt(j);
break;
}
}
if (isUnioned == false)
{
isSuccessful = false;
break;
}
}
pUnionPolyline.SetBaseLine(true);
var LSFrX = pUnionPolyline.FrCpt.X;
var LSFrY = pUnionPolyline.FrCpt.Y;
var LSToX = pUnionPolyline.ToCpt.X;
var LSToY = pUnionPolyline.ToCpt.Y;
var SSFrX = pSSCPlLt[i].FrCpt.X;
var SSFrY = pSSCPlLt[i].FrCpt.Y;
var SSToX = pSSCPlLt[i].ToCpt.X;
var SSToY = pSSCPlLt[i].ToCpt.Y;
//judge whether the two polylines are really corresponding polylines
double dblRatio = pUnionPolyline.pBaseLine.dblLength / pSSCPlLt[i].pBaseLine.dblLength;
if (dblRatio < CConstants.dblLowerBoundLoose || dblRatio > CConstants.dblUpperBoundLoose)
{
isSuccessful = false;
}
if (isSuccessful == false)
{
LSAttentionCPlLt.AddRange(pSSCPlLt[i].CorrCGeoLt as IEnumerable <CPolyline>);
SSAttentionCPlLt.Add(pSSCPlLt[i]);
}
else
{
pSSCPlLt[i].CorrCGeo = pUnionPolyline;
}
}
}
//ReverseCpl
//double dblFrDiffX = LSCPlLt[i].pBaseLine.ToCpt.X - LSCPlLt[i].pBaseLine.FrCpt.X;
//double dblFrDiffY = LSCPlLt[i].pBaseLine.ToCpt.Y - LSCPlLt[i].pBaseLine.FrCpt.Y;
//double dblToDiffX = SSCPlLt[i].pBaseLine.ToCpt.X - SSCPlLt[i].pBaseLine.FrCpt.X;
//double dblToDiffY = SSCPlLt[i].pBaseLine.ToCpt.Y - SSCPlLt[i].pBaseLine.FrCpt.Y;
//double dblAngleDiff = CGeoFunc.CalAngle_Counterclockwise(dblFrDiffX, dblFrDiffY, dblToDiffX, dblToDiffY);
//if ((Math.Abs(dblAngleDiff) > (Math.PI / 2) && Math.Abs(dblAngleDiff) < (3 * Math.PI / 2)))
//{
// SSCPlLt[i].ReverseCpl();
// SSCPlLt[i].SetBaseLine();
//}
List <CCorrSegment> pCorrCplLt = new List <CCorrSegment>(pSSCPlLt.Count);
for (int i = 0; i < pSSCPlLt.Count; i++)
{
if (pSSCPlLt[i].CorrCGeo != null && pSSCPlLt[i] != null)
{
CCorrSegment pCorrCpl = new CCorrSegment(pSSCPlLt[i].CorrCGeo as CPolyline, pSSCPlLt[i]);
pCorrCplLt.Add(pCorrCpl);
}
}
return(pCorrCplLt);
}
