/// <summary>
/// Tests that no hole is nested inside another hole.
/// This routine assumes that the holes are disjoint.
/// To ensure this, holes have previously been tested
/// to ensure that:
/// They do not partially overlap
/// (checked by <c>checkRelateConsistency</c>).
/// They are not identical
/// (checked by <c>checkRelateConsistency</c>).
/// </summary>
private void CheckHolesNotNested(IPolygon p, GeometryGraph graph)
{
QuadtreeNestedRingTester nestedTester = new QuadtreeNestedRingTester(graph);
foreach (ILinearRing innerHole in p.Holes)
{
nestedTester.Add(innerHole);
}
bool isNonNested = nestedTester.IsNonNested();
if (!isNonNested)
{
validErr = new TopologyValidationError(TopologyValidationErrors.NestedHoles,
nestedTester.NestedPoint);
}
}
/// <summary>
/// Tests that no hole is nested inside another hole.
/// This routine assumes that the holes are disjoint.
/// To ensure this, holes have previously been tested
/// to ensure that:
/// They do not partially overlap
/// (checked by <c>checkRelateConsistency</c>).
/// They are not identical
/// (checked by <c>checkRelateConsistency</c>).
/// </summary>
private void CheckHolesNotNested(IPolygon p, GeometryGraph graph)
{
QuadtreeNestedRingTester nestedTester = new QuadtreeNestedRingTester(graph);
foreach (ILinearRing innerHole in p.Holes)
nestedTester.Add(innerHole);
bool isNonNested = nestedTester.IsNonNested();
if (!isNonNested)
validErr = new TopologyValidationError(TopologyValidationErrors.NestedHoles,
nestedTester.NestedPoint);
}