//add point P to plane pl
public void AddPointToPlane(planeGeometry pl, Point3D p)
{
//go through all planes to find the plane
for (int i = 0; i < this.plane.Count; i++)
{
//find the index of this plane
if (pl.Equals(this.plane.ElementAt(i)))
{
this.segmentpoints.ElementAt(i).Add(p);
}
}
}
//true if pl has already been added
public bool contains(planeGeometry pl)
{
return this.plane.Contains(pl);
}
//add plane pl to the list
public void AddPlane(planeGeometry pl)
{
this.plane.Add(pl);
this.segmentpoints.Add(new Point3DCollection());
return;
}