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awips2/pythonPackages/scientific/Doc/Reference/Scientific.Visualization.VMD-module.html
root 8e80217e59 Initial revision of AWIPS2 11.9.0-7p5 
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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</title>
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<a href="Scientific-module.html">Package&nbsp;Scientific</a> ::
<a href="Scientific.Visualization-module.html">Package&nbsp;Visualization</a> ::
Module&nbsp;VMD
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<!-- ==================== MODULE DESCRIPTION ==================== -->
<h1 class="epydoc">Module VMD</h1><p class="nomargin-top"></p>
<p>Definitions of simple 3D graphics objects and scenes containing them,
in a form that can be fed to the molecular visualization program VMD</p>
<p>Scenes can either be written as VMD script files, or visualized
directly by running VMD.</p>
<p>This module is almost compatible with the modules VRML and VRML2,
which provide visualization by VRML browsers. There is no Polygon class,
and the only material attribute supported is diffuse_color. Note also
that loading a scene with many cubes into VMD is very slow, because each
cube is represented by 12 individual triangles.</p>
<p>Example:</p>
<pre class="literalblock">
&gt;&gt;&gt; from VMD import *
&gt;&gt;&gt; scene = Scene([])
&gt;&gt;&gt; scale = ColorScale(10.)
&gt;&gt;&gt; for x in range(11):
&gt;&gt;&gt; color = scale(x)
&gt;&gt;&gt; scene.addObject(Cube(Vector(x, 0., 0.), 0.2,
&gt;&gt;&gt; material=Material(diffuse_color = color)))
&gt;&gt;&gt; scene.view()
</pre>
<!-- ==================== CLASSES ==================== -->
<a name="section-Classes"></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">Classes</span></td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type">&nbsp;</span>
</td><td class="summary">
<a href="Scientific.Visualization.VMD.Arrow-class.html" class="summary-name">Arrow</a><br />
Arrow
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type">&nbsp;</span>
</td><td class="summary">
<a href="Scientific.Visualization.VMD.Cone-class.html" class="summary-name">Cone</a><br />
Cone
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type">&nbsp;</span>
</td><td class="summary">
<a href="Scientific.Visualization.VMD.Cube-class.html" class="summary-name">Cube</a><br />
Cube
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type">&nbsp;</span>
</td><td class="summary">
<a href="Scientific.Visualization.VMD.Cylinder-class.html" class="summary-name">Cylinder</a><br />
Cylinder
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type">&nbsp;</span>
</td><td class="summary">
<a href="Scientific.Visualization.VMD.Group-class.html" class="summary-name">Group</a><br />
Base class for composite objects
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type">&nbsp;</span>
</td><td class="summary">
<a href="Scientific.Visualization.VMD.Line-class.html" class="summary-name">Line</a><br />
Line
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type">&nbsp;</span>
</td><td class="summary">
<a href="Scientific.Visualization.VMD.Material-class.html" class="summary-name">Material</a><br />
Material specification for graphics objects
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type">&nbsp;</span>
</td><td class="summary">
<a href="Scientific.Visualization.VMD.Molecules-class.html" class="summary-name">Molecules</a><br />
Molecules from a PDB file
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type">&nbsp;</span>
</td><td class="summary">
<a href="Scientific.Visualization.VMD.Scene-class.html" class="summary-name">Scene</a><br />
VMD scene
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type">&nbsp;</span>
</td><td class="summary">
<a href="Scientific.Visualization.VMD.SceneFile-class.html" class="summary-name">SceneFile</a>
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type">&nbsp;</span>
</td><td class="summary">
<a href="Scientific.Visualization.VMD.ShapeObject-class.html" class="summary-name">ShapeObject</a><br />
Graphics objects representing geometrical shapes
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type">&nbsp;</span>
</td><td class="summary">
<a href="Scientific.Visualization.VMD.Sphere-class.html" class="summary-name">Sphere</a><br />
Sphere
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type">&nbsp;</span>
</td><td class="summary">
<a href="Scientific.Visualization.VMD.VMDObject-class.html" class="summary-name">VMDObject</a><br />
Graphics object for VMD
</td>
</tr>
</table>
<!-- ==================== FUNCTIONS ==================== -->
<a name="section-Functions"></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">Functions</span></td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"><a href="Scientific.Visualization.VMD.Material-class.html"
class="link">Material</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-module.html#DiffuseMaterial" class="summary-sig-name">DiffuseMaterial</a>(<span class="summary-sig-arg">color</span>)</span><br />
Returns:
a material with the 'diffuse color' attribute set to color</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"><a href="Scientific.Visualization.VMD.Material-class.html"
class="link">Material</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-module.html#EmissiveMaterial" class="summary-sig-name">EmissiveMaterial</a>(<span class="summary-sig-arg">color</span>)</span><br />
Returns:
a material with the 'diffuse color' attribute set to color</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 name="isGroup"></a><span class="summary-sig-name">isGroup</span>(<span class="summary-sig-arg">x</span>)</span></td>
<td align="right" valign="top">
</td>
</tr>
</table>
</td>
</tr>
</table>
<!-- ==================== VARIABLES ==================== -->
<a name="section-Variables"></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">Variables</span></td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type">&nbsp;</span>
</td><td class="summary">
<a name="ex"></a><span class="summary-name">ex</span> = <code title="Vector(1.000000,0.000000,0.000000)">Vector(1.000000,0.000000,0.000000)</code>
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type">&nbsp;</span>
</td><td class="summary">
<a name="ey"></a><span class="summary-name">ey</span> = <code title="Vector(0.000000,1.000000,0.000000)">Vector(0.000000,1.000000,0.000000)</code>
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type">&nbsp;</span>
</td><td class="summary">
<a name="ez"></a><span class="summary-name">ez</span> = <code title="Vector(0.000000,0.000000,1.000000)">Vector(0.000000,0.000000,1.000000)</code>
</td>
</tr>
</table>
<!-- ==================== FUNCTION DETAILS ==================== -->
<a name="section-FunctionDetails"></a>
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cellspacing="0" width="100%" bgcolor="white">
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<span class="table-header">Function Details</span></td>
</tr>
</table>
<a name="DiffuseMaterial"></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">DiffuseMaterial</span>(<span class="sig-arg">color</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>color</code></strong> (<a href="Scientific.Visualization.Color.Color-class.html"
class="link">Color</a> or <code>str</code>) - a color object or a predefined color name</li>
</ul></dd>
<dt>Returns: <a href="Scientific.Visualization.VMD.Material-class.html"
class="link">Material</a></dt>
<dd>a material with the 'diffuse color' attribute set to color</dd>
</dl>
</td></tr></table>
</div>
<a name="EmissiveMaterial"></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">EmissiveMaterial</span>(<span class="sig-arg">color</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>color</code></strong> (<a href="Scientific.Visualization.Color.Color-class.html"
class="link">Color</a> or <code>str</code>) - a color object or a predefined color name</li>
</ul></dd>
<dt>Returns: <a href="Scientific.Visualization.VMD.Material-class.html"
class="link">Material</a></dt>
<dd>a material with the 'diffuse color' attribute set to color</dd>
</dl>
</td></tr></table>
</div>
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