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<a href="Scientific-module.html">Package Scientific</a> ::
<a href="Scientific.Visualization-module.html">Package Visualization</a> ::
<a href="Scientific.Visualization.VMD-module.html">Module VMD</a> ::
Class Scene
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<!-- ==================== CLASS DESCRIPTION ==================== -->
<h1 class="epydoc">Class Scene</h1><p class="nomargin-top"></p>
<p>VMD scene</p>
<p>A VMD scene is a collection of graphics objects that can be loaded
into VMD.</p>
<!-- ==================== INSTANCE METHODS ==================== -->
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<span class="table-header">Instance Methods</span></td>
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<span class="summary-type"><a href="Scientific.Visualization.VMD.VMDObject-class.html"
class="link">VMDObject</a></span>
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<td><span class="summary-sig"><a href="Scientific.Visualization.VMD.Scene-class.html#__getitem__" class="summary-sig-name">__getitem__</a>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">item</span>)</span><br />
Returns:
the graphics object at the index position</td>
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<span class="summary-type"> </span>
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<td><span class="summary-sig"><a href="Scientific.Visualization.VMD.Scene-class.html#__init__" class="summary-sig-name">__init__</a>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">objects</span>=<span class="summary-sig-default">None</span>,
<span class="summary-sig-arg">**options</span>)</span></td>
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<span class="summary-type"><code>int</code></span>
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<td><span class="summary-sig"><a href="Scientific.Visualization.VMD.Scene-class.html#__len__" class="summary-sig-name">__len__</a>(<span class="summary-sig-arg">self</span>)</span><br />
Returns:
the number of graphics objects in the scene</td>
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<span class="summary-type"> </span>
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<td><span class="summary-sig"><a href="Scientific.Visualization.VMD.Scene-class.html#addObject" class="summary-sig-name">addObject</a>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">object</span>)</span></td>
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<span class="summary-type"> </span>
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<td><span class="summary-sig"><a href="Scientific.Visualization.VMD.Scene-class.html#view" class="summary-sig-name">view</a>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">*args</span>)</span><br />
Start VMD and load the scene</td>
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</td>
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<span class="summary-type"> </span>
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<td><span class="summary-sig"><a href="Scientific.Visualization.VMD.Scene-class.html#writeToFile" class="summary-sig-name">writeToFile</a>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">filename</span>,
<span class="summary-sig-arg">delete</span>=<span class="summary-sig-default">False</span>)</span><br />
Write the scene to a VMD script file</td>
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<span class="table-header">Method Details</span></td>
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<a name="__getitem__"></a>
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<h3 class="epydoc"><span class="sig"><span class="sig-name">__getitem__</span>(<span class="sig-arg">self</span>,
<span class="sig-arg">item</span>)</span>
<br /><em class="fname">(Indexing operator)</em>
</h3>
</td><td align="right" valign="top"
>
</td>
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<dl class="fields">
<dt>Parameters:</dt>
<dd><ul class="nomargin-top">
<li><strong class="pname"><code>item</code></strong> (<code>int</code>) - an index</li>
</ul></dd>
<dt>Returns: <a href="Scientific.Visualization.VMD.VMDObject-class.html"
class="link">VMDObject</a></dt>
<dd>the graphics object at the index position</dd>
</dl>
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<a name="__init__"></a>
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<h3 class="epydoc"><span class="sig"><span class="sig-name">__init__</span>(<span class="sig-arg">self</span>,
<span class="sig-arg">objects</span>=<span class="sig-default">None</span>,
<span class="sig-arg">**options</span>)</span>
<br /><em class="fname">(Constructor)</em>
</h3>
</td><td align="right" valign="top"
>
</td>
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<dl class="fields">
<dt>Parameters:</dt>
<dd><ul class="nomargin-top">
<li><strong class="pname"><code>objects</code></strong> (<code>list</code> or <code>NoneType</code>) - a list of graphics objects, or <code>None</code> for an empty
scene</li>
<li><strong class="pname"><code>options</code></strong> - options as keyword arguments</li>
<li><strong class="pname"><code>scale</code></strong> (positive number) - a scale factor applied to all coordinates of geometrical objects
<b>except</b> for molecule objects, which cannot be scaled</li>
</ul></dd>
</dl>
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<h3 class="epydoc"><span class="sig"><span class="sig-name">__len__</span>(<span class="sig-arg">self</span>)</span>
<br /><em class="fname">(Length operator)</em>
</h3>
</td><td align="right" valign="top"
>
</td>
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<dl class="fields">
<dt>Returns: <code>int</code></dt>
<dd>the number of graphics objects in the scene</dd>
</dl>
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<a name="addObject"></a>
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<h3 class="epydoc"><span class="sig"><span class="sig-name">addObject</span>(<span class="sig-arg">self</span>,
<span class="sig-arg">object</span>)</span>
</h3>
</td><td align="right" valign="top"
>
</td>
</tr></table>
<dl class="fields">
<dt>Parameters:</dt>
<dd><ul class="nomargin-top">
<li><strong class="pname"><code>object</code></strong> (<a href="Scientific.Visualization.VMD.VMDObject-class.html"
class="link">VMDObject</a>) - a graphics object to be added to the scene</li>
</ul></dd>
</dl>
</td></tr></table>
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<a name="view"></a>
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cellspacing="0" width="100%" bgcolor="white">
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<h3 class="epydoc"><span class="sig"><span class="sig-name">view</span>(<span class="sig-arg">self</span>,
<span class="sig-arg">*args</span>)</span>
</h3>
</td><td align="right" valign="top"
>
</td>
</tr></table>
<p>Start VMD and load the scene</p>
<dl class="fields">
<dt>Parameters:</dt>
<dd><ul class="nomargin-top">
<li><strong class="pname"><code>args</code></strong> - not used, for compatibility with VRML modules only</li>
</ul></dd>
</dl>
</td></tr></table>
</div>
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cellspacing="0" width="100%" bgcolor="white">
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<h3 class="epydoc"><span class="sig"><span class="sig-name">writeToFile</span>(<span class="sig-arg">self</span>,
<span class="sig-arg">filename</span>,
<span class="sig-arg">delete</span>=<span class="sig-default">False</span>)</span>
</h3>
</td><td align="right" valign="top"
>
</td>
</tr></table>
<p>Write the scene to a VMD script file</p>
<dl class="fields">
<dt>Parameters:</dt>
<dd><ul class="nomargin-top">
<li><strong class="pname"><code>filename</code></strong> (<code>str</code>) - the name of the script</li>
<li><strong class="pname"><code>delete</code></strong> (<code>bool</code>) - flag that indicates whether the script should delete itself as
its last action; used for temporary files</li>
</ul></dd>
</dl>
</td></tr></table>
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