@Nullable
    public Bitmap getBitmap() {
        return bitmapProvider == null ? null : bitmapProvider.getBitmap();
    }
Hotspots are described from perspective of the icon image! E.g. LOWER_RIGHT_CORNER
means that the lower right corner of the icon image is placed upon the Geoitems lat/lon position
main/src/main/java/cgeo/geocaching/models/geoitem/GeoIcon.java