docs: public void parse2DJSON(String str) {
          for (String latlon : str.split("\\[")) {
              if (latlon.trim().length() == 0)
                  continue;
  
              String ll[] = latlon.split(",");
              String lat = ll[1].replace("]", "").trim();
              add(Double.parseDouble(lat), Double.parseDouble(ll[0].trim()), Double.NaN);
          }
      }