function removeDupEndPts(points) {

				var l = points.length;

				if ( l > 2 && points[ l - 1 ].equals( points[ 0 ] ) ) {

					points.pop();

				}

			}
Triangulate: ERROR - probable bad polygon!

						//throw ( "Warning, unable to triangulate polygon!" );
						//return null;
						// Sometimes warning is fine, especially polygons are triangulated in reverse.
						console.warn( 'THREE.ShapeUtils: Unable to triangulate polygon! in triangulate()' );

						if ( indices ) return vertIndices;
						return result;

					}

					/* three consecutive vertices in current polygon, <u,v,w>