code: public OGCPoint pointN(int n) {
  		int nn;
  		if (multiPath.isClosedPath(0) && n == multiPath.getPathSize(0)) {
  			nn = multiPath.getPathStart(0);
  		} else
  			nn = n + multiPath.getPathStart(0);
  
  		return (OGCPoint) OGCGeometry.createFromEsriGeometry(
  				multiPath.getPoint(nn), esriSR);
  	}
docs: Returns the specified Point N in this LineString.
  @param n The 0 based index of the Point.