private Content makeTrackContent() { // Prepare tracks instant trackNode = new TrackDisplayNode(model); universe.addTimelapseListener(trackNode); // Pass tracks instant to all instants final TreeMap<Integer, ContentInstant> instants = new TreeMap<Integer, ContentInstant>(); final ContentInstant trackCI = new ContentInstant("Tracks_all_frames"); trackCI.display(trackNode); instants.put(0, trackCI); final Content tc = new Content(TRACK_CONTENT_NAME, instants); tc.setShowAllTimepoints(true); tc.showCoordinateSystem(false); return tc; }