/**
* Tests whether this ring is a hole. Due to the way the edges in the polyongization graph are
* linked, a ring is a hole if it is oriented counter-clockwise.
*
* @return <code>true</code> if this ring is a hole
*/
public boolean isHole() {
LinearRing ring = getRing();
return CGAlgorithms.isCCW(ring.getCoordinates());
}
