}
@Override
public RegionComparison compare(Region region)
{
RegionComparison cL = left.compare(region);
RegionComparison cR = right.compare(region);
if (cL == RegionComparison.REGION_INSIDE_OBJECT ||
cR == RegionComparison.REGION_INSIDE_OBJECT) {
return RegionComparison.REGION_INSIDE_OBJECT;
} else if (cL == RegionComparison.REGION_OUTSIDE_OBJECT &&
cR == RegionComparison.REGION_OUTSIDE_OBJECT) {