private void updateRouteTrackButtonVisibility() {
        mapActivity.getRouteTrackUtils().updateRouteTrackButtonVisibility(activity.findViewById(R.id.container_individualroute), individualRoute, mapActivity.getTracks());
    }
Set the zoom of the map. The zoom is restricted to a certain minimum in case of live map.
main/src/main/java/cgeo/geocaching/maps/CGeoMap.java