@Nullable
    public static Viewport getBounds(final Set<String> geocodes) {
        return getBounds(geocodes, false);
    }
Retrieve coordinates from a Cursor

@param cursor   a Cursor representing a row in the database
@param indexLat index of the latitude column
@param indexLon index of the longitude column
@return the coordinates, or null if latitude or longitude is null or the coordinates are invalid
main/src/main/java/cgeo/geocaching/storage/DataStore.java