295 lines
11 KiB
HTML
Executable file
295 lines
11 KiB
HTML
Executable file
<?xml version="1.0" encoding="ascii"?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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"DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
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<title>Scientific.IO.NetCDF.NetCDFVariable</title>
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<body bgcolor="white" text="black" link="blue" vlink="#204080"
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<a href="Scientific-module.html">Package Scientific</a> ::
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<a href="Scientific.IO-module.html">Package IO</a> ::
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<a href="Scientific.IO.NetCDF-module.html">Module NetCDF</a> ::
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Class NetCDFVariable
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</span>
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</td>
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<td>
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<table cellpadding="0" cellspacing="0">
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<tr><td align="right"><span class="options"
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>[<a href="frames.html" target="_top">frames</a
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target="_top">no frames</a>]</span></td></tr>
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</table>
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</table>
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<!-- ==================== CLASS DESCRIPTION ==================== -->
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<h1 class="epydoc">Class NetCDFVariable</h1><p class="nomargin-top"></p>
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<p>Variable in a netCDF file</p>
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<p>NetCDFVariable objects are constructed by calling the method
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'createVariable' on the <a
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href="Scientific.IO.NetCDF.NetCDFFile-class.html"
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class="link">NetCDFFile</a> object.</p>
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<p>NetCDFVariable objects behave much like array objects defined in
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module Numeric, except that their data resides in a file. Data is read by
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indexing and written by assigning to an indexed subset; the entire array
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can be accessed by the index '[:]' or using the methods 'getValue' and
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'assignValue'. NetCDFVariable objects also have attribute
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"shape" with the same meaning as for arrays, but the shape
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cannot be modified. There is another read-only attribute
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"dimensions", whose value is the tuple of dimension names.</p>
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<p>All other attributes correspond to variable attributes defined in the
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netCDF file. Variable attributes are created by assigning to an attribute
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of the NetCDFVariable object.</p>
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<p><b>Note:</b> If a file open for reading is simultaneously written by
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another program, the size of the unlimited dimension may change. Every
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time the shape of a variable is requested, the current size will be
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obtained from the file. For reading and writing, the size obtained during
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the last shape request is used. This ensures consistency: foo[-1] means
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the same thing no matter how often it is evaluated, as long as the shape
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is not re-evaluated in between.</p>
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<!-- ==================== INSTANCE METHODS ==================== -->
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<a name="section-InstanceMethods"></a>
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<table class="summary" border="1" cellpadding="3"
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cellspacing="0" width="100%" bgcolor="white">
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<tr bgcolor="#70b0f0" class="table-header">
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<td align="left" colspan="2" class="table-header">
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<span class="table-header">Instance Methods</span></td>
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</tr>
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<tr>
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<td width="15%" align="right" valign="top" class="summary">
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<span class="summary-type"> </span>
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</td><td class="summary">
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<table width="100%" cellpadding="0" cellspacing="0" border="0">
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<tr>
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<td><span class="summary-sig"><a name="__init__"></a><span class="summary-sig-name">__init__</span>(<span class="summary-sig-arg">self</span>,
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<span class="summary-sig-arg">*args</span>)</span></td>
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<td align="right" valign="top">
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</td>
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</tr>
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</table>
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</td>
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</tr>
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<tr>
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<td width="15%" align="right" valign="top" class="summary">
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<span class="summary-type"> </span>
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</td><td class="summary">
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<table width="100%" cellpadding="0" cellspacing="0" border="0">
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<tr>
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<td><span class="summary-sig"><a href="Scientific.IO.NetCDF.NetCDFVariable-class.html#assignValue" class="summary-sig-name">assignValue</a>(<span class="summary-sig-arg">self</span>,
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<span class="summary-sig-arg">value</span>)</span><br />
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Assign a new value to the variable.</td>
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<td align="right" valign="top">
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</td>
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</tr>
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</table>
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</td>
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</tr>
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<tr>
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<td width="15%" align="right" valign="top" class="summary">
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<span class="summary-type"> </span>
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</td><td class="summary">
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<table width="100%" cellpadding="0" cellspacing="0" border="0">
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<tr>
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<td><span class="summary-sig"><a href="Scientific.IO.NetCDF.NetCDFVariable-class.html#getValue" class="summary-sig-name">getValue</a>(<span class="summary-sig-arg">self</span>)</span><br />
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Return the value of the variable.</td>
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<td align="right" valign="top">
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</td>
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</tr>
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</table>
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</td>
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</tr>
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<tr>
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<td width="15%" align="right" valign="top" class="summary">
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<span class="summary-type"><code>str</code></span>
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</td><td class="summary">
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<table width="100%" cellpadding="0" cellspacing="0" border="0">
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<tr>
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<td><span class="summary-sig"><a href="Scientific.IO.NetCDF.NetCDFVariable-class.html#typecode" class="summary-sig-name">typecode</a>(<span class="summary-sig-arg">self</span>)</span><br />
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Returns:
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the variable's type code</td>
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<td align="right" valign="top">
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</td>
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</tr>
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</table>
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</td>
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</tr>
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</table>
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<!-- ==================== METHOD DETAILS ==================== -->
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<a name="section-MethodDetails"></a>
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<table class="details" border="1" cellpadding="3"
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cellspacing="0" width="100%" bgcolor="white">
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<tr bgcolor="#70b0f0" class="table-header">
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<td align="left" colspan="2" class="table-header">
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<span class="table-header">Method Details</span></td>
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</tr>
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</table>
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<a name="assignValue"></a>
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<div>
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<table class="details" border="1" cellpadding="3"
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cellspacing="0" width="100%" bgcolor="white">
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<tr><td>
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<table width="100%" cellpadding="0" cellspacing="0" border="0">
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<tr valign="top"><td>
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<h3 class="epydoc"><span class="sig"><span class="sig-name">assignValue</span>(<span class="sig-arg">self</span>,
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<span class="sig-arg">value</span>)</span>
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</h3>
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</td><td align="right" valign="top"
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>
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</td>
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</tr></table>
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<p>Assign a new value to the variable. This method allows assignment to
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scalar variables, which cannot be indexed.</p>
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<dl class="fields">
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<dt>Parameters:</dt>
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<dd><ul class="nomargin-top">
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<li><strong class="pname"><code>value</code></strong> - the new value for the variable</li>
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</ul></dd>
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</dl>
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</td></tr></table>
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</div>
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<a name="getValue"></a>
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<div>
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<table class="details" border="1" cellpadding="3"
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cellspacing="0" width="100%" bgcolor="white">
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<tr><td>
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<table width="100%" cellpadding="0" cellspacing="0" border="0">
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<tr valign="top"><td>
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<h3 class="epydoc"><span class="sig"><span class="sig-name">getValue</span>(<span class="sig-arg">self</span>)</span>
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</h3>
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</td><td align="right" valign="top"
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>
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</td>
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</tr></table>
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<p>Return the value of the variable. This method allows access to scalar
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variables, which cannot be indexed.</p>
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<dl class="fields">
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<dt>Returns:</dt>
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<dd>the current value of the variable</dd>
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</dl>
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</td></tr></table>
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</div>
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<a name="typecode"></a>
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<div>
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<table class="details" border="1" cellpadding="3"
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cellspacing="0" width="100%" bgcolor="white">
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<tr><td>
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<table width="100%" cellpadding="0" cellspacing="0" border="0">
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<tr valign="top"><td>
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<h3 class="epydoc"><span class="sig"><span class="sig-name">typecode</span>(<span class="sig-arg">self</span>)</span>
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</h3>
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</td><td align="right" valign="top"
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>
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</td>
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</tr></table>
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<dl class="fields">
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<dt>Returns: <code>str</code></dt>
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<dd>the variable's type code</dd>
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</dl>
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</td></tr></table>
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</div>
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<br />
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Generated by Epydoc 3.0 on Tue Oct 28 14:16:05 2008
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