@Override
    @NonNull
    public String toString() {
        return "bm:" + bitmapProvider + ", angle:" + getRotation() + ", x/yAnchor:" + xAnchor + "/" + yAnchor + ", flat:" + flat;
    }
if the marker should rotate together with the map (flat mode) or should be displayed as billboard popup. Default is billboard.
main/src/main/java/cgeo/geocaching/models/geoitem/GeoIcon.java