public double DistanceToNearestSegment(clsPoint p1, ref int nSeg, ref int nPt, int avoidPt1 = -1, int avoidPt2 = -1, int includePt = -1)
{
int i;
int j;
clsLine l1;
double d;
double minD;
//Find the point nearest
nPt = GetNearestPointIndex(p1);
//Find the segment closest to the point to add (ignore riser segments)
nSeg = 0;
minD = 10000;
for (i = 0; i <= NumPoints; i++)
{
if ((i != avoidPt1 & i != avoidPt2) & (includePt == -1 || (i == includePt | i == includePt - 1 | (includePt == 0 & i == NumPoints))))
{
j = i + 1;
if (j > NumPoints)
{
j = 0;
}
l1 = new clsLine(Point(i), Point(j));
d = l1.DistanceToShortLine(p1);
if (d < minD)
{
minD = d;
nSeg = i;
}
}
}
return(minD);
}