dont draw if joints data is nonexistent
dont draw if joints data is nonexistent

cantsin/sos-display,jplaut/sos-display,timkettering/sos-display,jplaut/sos-display,SixSecondMonks/sos-display,SixSecondMonks/sos-display,cantsin/sos-display,jplaut/sos-display,timkettering/sos-display,cantsin/sos-display,timkettering/sos-display,SixSecondMonks/sos-display