code: public RenderOptions  viewBox(float minX, float minY, float width, float height)
     {
        this.viewBox = new SVG.Box(minX, minY, width, height);
        return this;
     }
docs: Specifies alternative values to use for the root element {@code viewBox}. Any existing {@code viewBox}
  attribute value will be ignored.
  
  Note: will be overridden if a {@link #view(String)} is set.
  
  @param minX The left X coordinate of the viewBox
  @param minY The top Y coordinate of the viewBox
  @param width The width of the viewBox
  @param height The height of the viewBox
  @return this same <code>RenderOptions</code> instance