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<?xml version="1.0" encoding="ascii"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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  <title>Scientific.Visualization.VMD.Scene</title>
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        <a href="Scientific.Visualization-module.html">Package&nbsp;Visualization</a> ::
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        Class&nbsp;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 ==================== -->
<a name="section-InstanceMethods"></a>
<table class="summary" border="1" cellpadding="3"
       cellspacing="0" width="100%" bgcolor="white">
<tr bgcolor="#70b0f0" class="table-header">
  <td align="left" colspan="2" class="table-header">
    <span class="table-header">Instance Methods</span></td>
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<tr>
    <td width="15%" align="right" valign="top" class="summary">
      <span class="summary-type"><a href="Scientific.Visualization.VMD.VMDObject-class.html" 
      class="link">VMDObject</a></span>
    </td><td class="summary">
      <table width="100%" cellpadding="0" cellspacing="0" border="0">
        <tr>
          <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">&nbsp;</span>
    </td><td class="summary">
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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>
    </td><td class="summary">
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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>
          <td align="right" valign="top">
            
            
          </td>
        </tr>
      </table>
      
    </td>
  </tr>
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    <td width="15%" align="right" valign="top" class="summary">
      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
      <table width="100%" cellpadding="0" cellspacing="0" border="0">
        <tr>
          <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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          </td>
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      </table>
      
    </td>
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      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
      <table width="100%" cellpadding="0" cellspacing="0" border="0">
        <tr>
          <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>
          <td align="right" valign="top">
            
            
          </td>
        </tr>
      </table>
      
    </td>
  </tr>
<tr>
    <td width="15%" align="right" valign="top" class="summary">
      <span class="summary-type">&nbsp;</span>
    </td><td class="summary">
      <table width="100%" cellpadding="0" cellspacing="0" border="0">
        <tr>
          <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>
          <td align="right" valign="top">
            
            
          </td>
        </tr>
      </table>
      
    </td>
  </tr>
</table>
<!-- ==================== METHOD DETAILS ==================== -->
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<tr bgcolor="#70b0f0" class="table-header">
  <td align="left" colspan="2" class="table-header">
    <span class="table-header">Method Details</span></td>
</tr>
</table>
<a name="__getitem__"></a>
<div>
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       cellspacing="0" width="100%" bgcolor="white">
<tr><td>
  <table width="100%" cellpadding="0" cellspacing="0" border="0">
  <tr valign="top"><td>
  <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"
    >&nbsp;
    </td>
  </tr></table>
  
  
  <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>
</td></tr></table>
</div>
<a name="__init__"></a>
<div>
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  <table width="100%" cellpadding="0" cellspacing="0" border="0">
  <tr valign="top"><td>
  <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"
    >&nbsp;
    </td>
  </tr></table>
  
  
  <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>
</td></tr></table>
</div>
<a name="__len__"></a>
<div>
<table class="details" border="1" cellpadding="3"
       cellspacing="0" width="100%" bgcolor="white">
<tr><td>
  <table width="100%" cellpadding="0" cellspacing="0" border="0">
  <tr valign="top"><td>
  <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"
    >&nbsp;
    </td>
  </tr></table>
  
  
  <dl class="fields">
    <dt>Returns: <code>int</code></dt>
        <dd>the number of graphics objects in the scene</dd>
  </dl>
</td></tr></table>
</div>
<a name="addObject"></a>
<div>
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       cellspacing="0" width="100%" bgcolor="white">
<tr><td>
  <table width="100%" cellpadding="0" cellspacing="0" border="0">
  <tr valign="top"><td>
  <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"
    >&nbsp;
    </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>
</div>
<a name="view"></a>
<div>
<table class="details" border="1" cellpadding="3"
       cellspacing="0" width="100%" bgcolor="white">
<tr><td>
  <table width="100%" cellpadding="0" cellspacing="0" border="0">
  <tr valign="top"><td>
  <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"
    >&nbsp;
    </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>
<a name="writeToFile"></a>
<div>
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       cellspacing="0" width="100%" bgcolor="white">
<tr><td>
  <table width="100%" cellpadding="0" cellspacing="0" border="0">
  <tr valign="top"><td>
  <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"
    >&nbsp;
    </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>
</div>
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