void jvxlSkipData(int nPoints, boolean doSkipColorData) throws Exception {
		if (jvxlSurfaceDataCount > 0)
			skipData(nPoints, true);
		if (jvxlEdgeDataCount > 0)
			skipData(jvxlEdgeDataCount, false);
		if (jvxlDataIsColorMapped && doSkipColorData)
			skipData(jvxlColorDataCount, false);
	}