class GMTEDProvider extends AbstractTiffElevationProvider {

    String getDownloadURL(double lat, double lon) {
        int lonInt = getMinLonForTile(lon);
        int latInt = getMinLatForTile(lat);
        String east = getEastString(lonInt);
        String lonString = getLonString(lonInt);
        return baseUrl + "/" + east + lonString + "/" + getLatString(latInt) + getNorthString(latInt) + lonString + east + FILE_NAME_END + ".tif";
    }

    public  GMTEDProvider();
    public  GMTEDProvider(String cacheDir);

}