private static int GetParalellArc(int j, ref double distance)
{
int N = -1;
double dist = -1;
if (Math.Abs(_basePolyLine.GetBulgeAt(j) - 0.0) > Double.Epsilon)
{
LineSegment2d segment = _basePolyLine.GetLineSegment2dAt(j);
for (int i = 0; i < _basePolyLine.NumberOfVertices; i++)
{
if (i != j)
{
if (_basePolyLine.GetBulgeAt(i) != 0.0)
{
LineSegment2d seg1 = _basePolyLine.GetLineSegment2dAt(i);
if (segment.IsParallelTo(seg1))
{
if (N < 0)
{
dist = segment.GetDistanceTo(seg1);
N = i;
}
else
{
double d = segment.GetDistanceTo(seg1);
if (d < dist)
{
dist = d;
N = i;
}
}
}
}
}
}
}
distance = dist;
return(N);
}
