public List <Point2F> sample_curve(Polyline p, double step)
{
// divide curve evenly. There is a bug in CamBam's divide by step routine (duplicate points), while 'divide to n equal segments' should work ok.
// execution speed may be worse, but who cares
double length = p.GetPerimeter();
int nsegs = (int)Math.Max(Math.Ceiling(length / step), 1);
List <Point2F> points = new List <Point2F>();
foreach (Point3F pt in PointListUtils.CreatePointlistFromPolyline(p, nsegs).Points)
{
points.Add((Point2F)pt);
}
return(points);
}
public List <Point2F> sample_curve_exact(Polyline p, double step)
{
List <Point2F> points = new List <Point2F>();
foreach (Point3F pt in PointListUtils.CreatePointlistFromPolylineStep(p, step).Points)
{
points.Add((Point2F)pt);
}
Point2F last_sample = points[points.Count - 1];
Point2F poly_end = (Point2F)p.LastPoint;
if (last_sample.DistanceTo(poly_end) > step * 0.001)
{
points.Add(poly_end);
}
return(points);
}
