code: @Override
      public IRenderingElement generate(IAtomContainer container, RendererModel model) {
          ElementGroup numbers = new ElementGroup();
          if (!model.getParameter(WillDrawAtomNumbers.class).getValue()) return numbers;
  
          Vector2d offset = new Vector2d(this.offset.getValue().x, -this.offset.getValue().y);
          offset.scale(1 / model.getParameter(Scale.class).getValue());
  
          int number = 1;
          for (IAtom atom : container.atoms()) {
              Point2d point = new Point2d(atom.getPoint2d());
              point.add(offset);
              numbers.add(new TextElement(point.x, point.y, String.valueOf(number), colorByType.getValue() ? atomColorer
                      .getValue().getAtomColor(atom) : textColor.getValue()));
              number++;
          }
          return numbers;
      }
docs: {@inheritDoc}