getStationTargetAlign(double dblStaRF, double dblOffRR, Alignment objAlignRF, Alignment objAlignTAR)
{
AlignmentEntity objAlignEntRF = default(AlignmentEntity);
AlignmentArc objAlignEntArcRF = default(AlignmentArc);
AlignmentLine objAlignEntTanRF = default(AlignmentLine);
AlignmentEntity objAlignEntTAR = default(AlignmentEntity);
AlignmentArc objAlignEntArcTAR = default(AlignmentArc);
AlignmentLine objAlignEntTanTAR = default(AlignmentLine);
double dblAngEntRF = 0;
double dblAngEntTAR = 0;
double dblSkew = 0;
double dblOffRF = 0;
double dblStaTAR = 0;
objAlignEntRF = objAlignRF.Entities.EntityAtStation(dblStaRF);
if (objAlignEntRF.EntityType == AlignmentEntityType.Arc)
{
objAlignEntArcRF = (AlignmentArc)objAlignEntRF;
}
else if (objAlignEntRF.EntityType == AlignmentEntityType.Line)
{
objAlignEntTanRF = (AlignmentLine)objAlignEntRF;
}
Point2d pnt2dBEG = objAlignEntTanRF.StartPoint;
Point2d pnt2dEND = objAlignEntTanRF.EndPoint;
dblAngEntRF = pnt2dBEG.getDirection(pnt2dEND);
objAlignRF.DistanceToAlignment(dblStaRF, objAlignTAR, AlignmentSide.Both, ref dblOffRF, ref dblStaTAR);
objAlignEntTAR = objAlignTAR.Entities.EntityAtStation(dblStaTAR);
if (objAlignEntTAR.EntityType == AlignmentEntityType.Arc)
{
objAlignEntArcTAR = (AlignmentArc)objAlignEntRF;
}
else if (objAlignEntTAR.EntityType == AlignmentEntityType.Line)
{
objAlignEntTanTAR = (AlignmentLine)objAlignEntTAR;
}
pnt2dBEG = objAlignEntTanTAR.StartPoint;
pnt2dEND = objAlignEntTanTAR.EndPoint;
dblAngEntTAR = pnt2dBEG.getDirection(pnt2dEND);
dblSkew = dblAngEntTAR - dblAngEntRF;
//dblStaTAR = dblStaRF * System.Math.Cos(dblSkew)
return(dblStaTAR);
}