public static bool Contains(Polygon2 <double> outer, Polygon2 <double> inner)
{
if (outer == null || inner == null)
{
return(false);
}
if (outer.HasHoles)
{
if (RingUtils.Contains(outer.OuterRing, inner.OuterRing))
{
for (int i = 0; i < outer.InnerRings.Rings.Length; i++)
{
if (RingUtils.Contains(outer.InnerRings.Rings[i], inner.OuterRing))
{
return(false); //in a hole
}
}
return(true);
}
else
{
return(false);
}
}
else
{
return(RingUtils.Contains(outer.OuterRing, inner.OuterRing));
}
}
//point is inside the ring - not on the edge
public static bool Contains(Polygon2 <double> ring, Point2 <double> pt)
{
if (ring == null || pt == null)
{
return(false);
}
if (ring.HasHoles)
{
if (RingUtils.Contains(ring.OuterRing, pt))
{
for (int i = 0; i < ring.InnerRings.Rings.Length; i++)
{
if (RingUtils.Contains(ring.InnerRings.Rings[i], pt))
{
return(false); //in a hole
}
}
return(true);
}
else
{
return(false);
}
}
else
{
return(RingUtils.Contains(ring.OuterRing, pt));
}
}