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Next: <a href="Graphics-Object-Properties.html" accesskey="n" rel="next">Graphics Object Properties</a>, Previous: <a href="Introduction-to-Graphics-Structures.html" accesskey="p" rel="prev">Introduction to Graphics Structures</a>, Up: <a href="Graphics-Data-Structures.html" accesskey="u" rel="up">Graphics Data Structures</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html" title="Index" rel="index">Index</a>]</p>
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<h4 class="subsection" id="Graphics-Objects-1"><span>15.3.2 Graphics Objects<a class="copiable-link" href="#Graphics-Objects-1"> ¶</a></span></h4>
<a class="index-entry-id" id="index-graphics-objects"></a>
<p>The hierarchy of graphics objects was explained above.
See <a class="xref" href="Introduction-to-Graphics-Structures.html">Introduction to Graphics Structures</a>. 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 <em class="dfn">handle</em>.
</p>
<dl class="table">
<dt><a class="index-entry-id" id="index-graphics-object_002c-root"></a>
<a id="index-root-graphics-object"></a><span>root<a class="copiable-link" href="#index-root-graphics-object"> ¶</a></span></dt>
<dd><p>The top level of the hierarchy and the parent of all figure objects.
Use <code class="code">groot</code> to obtain the handle of the root graphics object.
</p>
</dd>
<dt><a class="index-entry-id" id="index-graphics-object_002c-figure"></a>
<a id="index-figure-graphics-object"></a><span>figure<a class="copiable-link" href="#index-figure-graphics-object"> ¶</a></span></dt>
<dd><p>A figure window.
</p>
</dd>
<dt><a class="index-entry-id" id="index-graphics-object_002c-axes"></a>
<a id="index-axes-graphics-object"></a><span>axes<a class="copiable-link" href="#index-axes-graphics-object"> ¶</a></span></dt>
<dd><p>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.
</p>
</dd>
<dt><a class="index-entry-id" id="index-graphics-object_002c-line"></a>
<a id="index-line-graphics-object"></a><span>line<a class="copiable-link" href="#index-line-graphics-object"> ¶</a></span></dt>
<dd><p>A line in two or three dimensions.
</p>
</dd>
<dt><a class="index-entry-id" id="index-graphics-object_002c-text"></a>
<a id="index-text-graphics-object"></a><span>text<a class="copiable-link" href="#index-text-graphics-object"> ¶</a></span></dt>
<dd><p>Text annotations.
</p>
</dd>
<dt><a class="index-entry-id" id="index-graphics-object_002c-image"></a>
<a id="index-image-graphics-object"></a><span>image<a class="copiable-link" href="#index-image-graphics-object"> ¶</a></span></dt>
<dd><p>A bitmap image.
</p>
</dd>
<dt><a class="index-entry-id" id="index-graphics-object_002c-patch"></a>
<a id="index-patch-graphics-object"></a><span>patch<a class="copiable-link" href="#index-patch-graphics-object"> ¶</a></span></dt>
<dd><p>A filled polygon, currently limited to two dimensions.
</p>
</dd>
<dt><a class="index-entry-id" id="index-graphics-object_002c-surface"></a>
<a id="index-surface-graphics-object"></a><span>surface<a class="copiable-link" href="#index-surface-graphics-object"> ¶</a></span></dt>
<dd><p>A three-dimensional surface.
</p>
</dd>
<dt><a class="index-entry-id" id="index-graphics-object_002c-light"></a>
<a id="index-light-graphics-object"></a><span>light<a class="copiable-link" href="#index-light-graphics-object"> ¶</a></span></dt>
<dd><p>A light object used for lighting effects on patches and surfaces.
</p></dd>
</dl>
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<li><a href="Creating-Graphics-Objects.html" accesskey="1">Creating Graphics Objects</a></li>
<li><a href="Handle-Functions.html" accesskey="2">Handle Functions</a></li>
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