awips2/pythonPackages/scientific/Doc/Reference/Scientific.IO.NetCDF.NetCDFFile-class.html
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<a href="Scientific-module.html">Package&nbsp;Scientific</a> ::
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<a href="Scientific.IO.NetCDF-module.html">Module&nbsp;NetCDF</a> ::
Class&nbsp;NetCDFFile
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<!-- ==================== CLASS DESCRIPTION ==================== -->
<h1 class="epydoc">Class NetCDFFile</h1><p class="nomargin-top"></p>
<p><a name="index-netCDF"></a><i class="indexterm">netCDF</i> file</p>
<p>A NetCDFFile object has two standard attributes: 'dimensions' and
'variables'. The values of both are dictionaries, mapping dimension names
to their associated lengths and variable names to variables,
respectively. Application programs should never modify these
dictionaries.</p>
<p>All other attributes correspond to global attributes defined in the
netCDF file. Global file attributes are created by assigning to an
attribute of the NetCDFFile object.</p>
<!-- ==================== INSTANCE METHODS ==================== -->
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<span class="summary-type">&nbsp;</span>
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<td><span class="summary-sig"><a href="Scientific.IO.NetCDF.NetCDFFile-class.html#__init__" class="summary-sig-name">__init__</a>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">filename</span>,
<span class="summary-sig-arg">mode</span>)</span></td>
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<span class="summary-type">&nbsp;</span>
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<td><span class="summary-sig"><a href="Scientific.IO.NetCDF.NetCDFFile-class.html#close" class="summary-sig-name">close</a>(<span class="summary-sig-arg">self</span>)</span><br />
Close the file.</td>
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<td><span class="summary-sig"><a href="Scientific.IO.NetCDF.NetCDFFile-class.html#createDimension" class="summary-sig-name">createDimension</a>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">name</span>,
<span class="summary-sig-arg">length</span>)</span></td>
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<span class="summary-type"><a href="Scientific.IO.NetCDF.NetCDFVariable-class.html"
class="link">NetCDFVariable</a></span>
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<td><span class="summary-sig"><a href="Scientific.IO.NetCDF.NetCDFFile-class.html#createVariable" class="summary-sig-name">createVariable</a>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">name</span>,
<span class="summary-sig-arg">type</span>,
<span class="summary-sig-arg">dimensions</span>)</span><br />
Returns:
the object corresponding to the new variable</td>
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<span class="summary-type">&nbsp;</span>
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<td><span class="summary-sig"><a name="flush"></a><span class="summary-sig-name">flush</span>(<span class="summary-sig-arg">self</span>)</span><br />
Write all buffered data to the disk file.</td>
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<td><span class="summary-sig"><a name="sync"></a><span class="summary-sig-name">sync</span>(<span class="summary-sig-arg">self</span>)</span><br />
Write all buffered data to the disk file.</td>
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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">filename</span>,
<span class="sig-arg">mode</span>)</span>
<br /><em class="fname">(Constructor)</em>
</h3>
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>&nbsp;
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<dl class="fields">
<dt>Parameters:</dt>
<dd><ul class="nomargin-top">
<li><strong class="pname"><code>filename</code></strong> (<code>str</code>) - name of the netCDF file. By convention, netCDF files have the
extension &quot;.nc&quot;, but this is not enforced. The filename
may contain a home directory indication starting with
&quot;~&quot;.</li>
<li><strong class="pname"><code>mode</code></strong> (<code>str</code>) - access mode. &quot;r&quot; means read-only; no data can be
modified. &quot;w&quot; means write; a new file is created, an
existing file with the same name is deleted. &quot;a&quot; means
append (in analogy with serial files); an existing file is opened
for reading and writing, if the file does not exist it is
created. &quot;r+&quot; is similar to &quot;a&quot;, but the file
must already exist. An &quot;s&quot; can be appended to any of
the modes listed above; it indicates that the file will be opened
or created in &quot;share&quot; mode, which reduces buffering in
order to permit simultaneous read access by other processes to a
file that is being written.</li>
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<h3 class="epydoc"><span class="sig"><span class="sig-name">close</span>(<span class="sig-arg">self</span>)</span>
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<p>Close the file. Any read or write access to the file or one of its
variables after closing raises an exception.</p>
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<a name="createDimension"></a>
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<h3 class="epydoc"><span class="sig"><span class="sig-name">createDimension</span>(<span class="sig-arg">self</span>,
<span class="sig-arg">name</span>,
<span class="sig-arg">length</span>)</span>
</h3>
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>&nbsp;
</td>
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<dl class="fields">
<dt>Parameters:</dt>
<dd><ul class="nomargin-top">
<li><strong class="pname"><code>name</code></strong> (<code>str</code>) - the name of the dimension</li>
<li><strong class="pname"><code>length</code></strong> (<code>int</code> or <code>NoneType</code>) - the length of the new dimension. <code>None</code> stands for the
unlimited dimension. Note that there can be only one unlimited
dimension per file.</li>
</ul></dd>
</dl>
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<h3 class="epydoc"><span class="sig"><span class="sig-name">createVariable</span>(<span class="sig-arg">self</span>,
<span class="sig-arg">name</span>,
<span class="sig-arg">type</span>,
<span class="sig-arg">dimensions</span>)</span>
</h3>
</td><td align="right" valign="top"
>&nbsp;
</td>
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<dl class="fields">
<dt>Parameters:</dt>
<dd><ul class="nomargin-top">
<li><strong class="pname"><code>name</code></strong> (<code>str</code>) - the name of the new variable</li>
<li><strong class="pname"><code>type</code></strong> (<code>str</code>) - the data type of the elements; the same one-letter codes as in
<code>Numeric</code> are used and the use of the pre-defined
constants (Numeric.Float etc.) is strongly recommended.</li>
<li><strong class="pname"><code>dimensions</code></strong> (<code>tuple</code> of <code>str</code>) - a tuple of dimension names that have been defined earlier</li>
</ul></dd>
<dt>Returns: <a href="Scientific.IO.NetCDF.NetCDFVariable-class.html"
class="link">NetCDFVariable</a></dt>
<dd>the object corresponding to the new variable</dd>
</dl>
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