private void showGbPopupMenu(GayBerneParticle p, int x, int y) {
		if (gbPopupMenu == null)
			gbPopupMenu = new GbPopupMenu(this);
		gbPopupMenu.setTrajSelected(p.getShowRTraj());
		gbPopupMenu.setRMeanSelected(p.getShowRMean());
		gbPopupMenu.setFMeanSelected(p.getShowFMean());
		gbPopupMenu.setCoor(x, y);
		gbPopupMenu.show(this, x, y);
	}