// List<double[]> points = new ArrayList<double[]>();
// String[] a = "116.345208,39.853326;116.344559,39.851341;116.345369,39.851358;116.345187,39.853194;116.34435,39.851069;116.343256,39.852733;116.341488,39.852148;116.344135,39.85097;116.345337,39.851481;116.34508,39.851695;116.343804,39.85226;116.344816,39.853199;116.343899,39.853153;116.345133,39.853025;116.344722,39.851427;116.34627,39.849331;116.345476,39.853116;116.341303,39.852255".split(";");