private static Polygon findPolygonContaining(Geometry geom, Coordinate pt) {
PointLocator locator = new PointLocator();
for (int i = 0; i < geom.getNumGeometries(); i++) {
Polygon poly = (Polygon) geom.getGeometryN(i);
int loc = locator.locate(pt, poly);
if (loc == Location.INTERIOR) return poly;
}
return null;
}
/**
* Tests whether a geometry consists of a single polygon with no holes.
*
* @return true if the geometry is a single polygon with no holes
*/
private boolean isSingleShell(Geometry geom) {
// handles single-element MultiPolygons, as well as Polygons
if (geom.getNumGeometries() != 1) return false;
Polygon poly = (Polygon) geom.getGeometryN(0);
int numHoles = poly.getNumInteriorRing();
if (numHoles == 0) return true;
return false;
}
public static List extractElements(Geometry geom, boolean skipEmpty) {
List elem = new ArrayList();
if (geom == null) return elem;
for (int i = 0; i < geom.getNumGeometries(); i++) {
Geometry elemGeom = geom.getGeometryN(i);
if (skipEmpty && elemGeom.isEmpty()) continue;
elem.add(elemGeom);
}
return elem;
}
