import com.vividsolutions.jts.triangulate.quadedge.LocateFailureException; //导入依赖的package包/类
public static void iterateOverTriangles(final Polygon polygon, final Consumer<Geometry> action) {
	final double elevation = getContourCoordinates(polygon).averageZ();
	final double sizeTol = FastMath.sqrt(polygon.getArea()) / 100.0;
	final DelaunayTriangulationBuilder dtb = new DelaunayTriangulationBuilder();
	final PreparedGeometry buffered = PREPARED_GEOMETRY_FACTORY.create(polygon.buffer(sizeTol, 5, 0));
	final Envelope3D env = Envelope3D.of(buffered.getGeometry());
	try {
		dtb.setSites(polygon);
		dtb.setTolerance(sizeTol);
		applyToInnerGeometries(dtb.getTriangles(GEOMETRY_FACTORY), (gg) -> {
			final ICoordinates cc = getContourCoordinates(gg);
			if (cc.isCoveredBy(env) && buffered.covers(gg)) {
				cc.setAllZ(elevation);
				gg.geometryChanged();
				action.accept(gg);
			}
		});
	} catch (final LocateFailureException | ConstraintEnforcementException e) {
		final IScope scope = GAMA.getRuntimeScope();
		GamaRuntimeException.warning("Impossible to triangulate: " + new WKTWriter().write(polygon), scope);
		iterateOverTriangles((Polygon) DouglasPeuckerSimplifier.simplify(polygon, 0.1), action);
		return;
	}
}