public static Geometry withinDistanceIndexed(Geometry a, Geometry mask, double maximumDistance)
{
var indexedDist = new IndexedFacetDistance(mask);
return(Select(a, t => indexedDist.IsWithinDistance(t, maximumDistance)));
}
protected override bool IsWithinDistance(Geometry g1, Geometry g2, double distance)
{
return(IndexedFacetDistance.IsWithinDistance(g1, g2, distance));
}