private boolean isProperIntersectionImpliesNotContainedSituation(Geometry testGeom) { /** * If the test geometry is polygonal we have the A/A situation. * In this case, a proper intersection indicates that * the Epsilon-Neighbourhood Exterior Intersection condition exists. * This condition means that in some small * area around the intersection point, there must exist a situation * where the interior of the test intersects the exterior of the target. * This implies the test is NOT contained in the target. */ if (testGeom instanceof Polygonal) return true; /** * A single shell with no holes allows concluding that * a proper intersection implies not contained * (due to the Epsilon-Neighbourhood Exterior Intersection condition) */ if (isSingleShell(prepPoly.getGeometry())) return true; return false; }
private boolean isProperIntersectionImpliesNotContainedSituation(Geometry testGeom) { /** * If the test geometry is polygonal we have the A/A situation. * In this case, a proper intersection indicates that * the Epsilon-Neighbourhood Exterior Intersection condition exists. * This condition means that in some small * area around the intersection point, there must exist a situation * where the interior of the test intersects the exterior of the target. * This implies the test is NOT contained in the target. */ if (testGeom instanceof Polygonal) return true; /** * A single shell with no holes allows concluding that * a proper intersection implies not contained * (due to the Epsilon-Neighbourhood Exterior Intersection condition) */ if (isSingleShell(prepPoly.getGeometry())) return true; return false; }