public AtomNumberGenerator() {}
public IRenderingElement generate(IAtomContainer ac, RendererModel model) {
JChemPaintRendererModel jcpModel = (JChemPaintRendererModel) model;
ElementGroup numbers = new ElementGroup();
if (!jcpModel.drawNumbers()) return numbers;
int number = 1;
for (IAtom atom : ac.atoms()) {
Point2d p = atom.getPoint2d();
numbers.add(