#### 15.3.2 Graphics Objects ¶

The hierarchy of graphics objects was explained above. See Introduction to Graphics Structures. Here the specific objects are described, and the properties contained in these objects are discussed. Keep in mind that graphics objects are always referenced by handle.

root ¶

  The top level of the hierarchy and the parent of all figure objects. Use `groot` to obtain the handle of the root graphics object.

figure ¶

  A figure window.

axes ¶

  A set of axes. This object is a child of a figure object and may be a parent of line, text, image, patch, surface, or light objects.

line ¶

  A line in two or three dimensions.

text ¶

  Text annotations.

image ¶

  A bitmap image.

patch ¶

  A filled polygon, currently limited to two dimensions.

surface ¶

  A three-dimensional surface.

light ¶

  A light object used for lighting effects on patches and surfaces.