private void addBonds() {
		ABond abond;
		for (int i = 0; i < model.getABondCount(); i++) {
			abond = model.getABond(i);
			view.getViewer().addABond(abond.getAtom1().getIndex(), abond.getAtom2().getIndex(), abond.getAtom3().getIndex());
		}
		TBond tbond;
		for (int i = 0; i < model.getTBondCount(); i++) {
			tbond = model.getTBond(i);
			view.getViewer().addTBond(tbond.getAtom1().getIndex(), tbond.getAtom2().getIndex(), tbond.getAtom3().getIndex(), tbond.getAtom4().getIndex());
		}
	}