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<a href="mapnik-module.html">Package&nbsp;mapnik</a> ::
<a href="mapnik._mapnik-module.html" onclick="show_private();">Module&nbsp;_mapnik</a> ::
Class&nbsp;ProjTransform
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<!-- ==================== CLASS DESCRIPTION ==================== -->
<h1 class="epydoc">Class ProjTransform</h1><p class="nomargin-top"></p>
<pre class="base-tree">
object --+
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??.instance --+
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<strong class="uidshort">ProjTransform</strong>
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<span class="summary-type">&nbsp;</span>
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<td><span class="summary-sig"><a href="mapnik._mapnik.ProjTransform-class.html#__getinitargs__" class="summary-sig-name">__getinitargs__</a>(<span class="summary-sig-arg">...</span>)</span><br />
__getinitargs__( (ProjTransform)arg1) -&gt; tuple :</td>
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<td><span class="summary-sig"><a href="mapnik._mapnik.ProjTransform-class.html#__init__" class="summary-sig-name">__init__</a>(<span class="summary-sig-arg">...</span>)</span><br />
__init__( (object)arg1, (Projection)arg2, (Projection)arg3) -&gt; None :</td>
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<td><span class="summary-sig"><a href="mapnik._mapnik.ProjTransform-class.html#__reduce__" class="summary-sig-name">__reduce__</a>(<span class="summary-sig-arg">...</span>)</span><br />
helper for pickle</td>
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<td><span class="summary-sig"><a href="mapnik._mapnik.ProjTransform-class.html#backward" class="summary-sig-name">backward</a>(<span class="summary-sig-arg">...</span>)</span><br />
backward( (ProjTransform)arg1, (Coord)arg2) -&gt; Coord :</td>
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forward( (ProjTransform)arg1, (Coord)arg2) -&gt; Coord :</td>
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<p class="indent-wrapped-lines"><b>Inherited from <code><i>unreachable</i>.instance</code></b>:
<code>__new__</code>
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<p class="indent-wrapped-lines"><b>Inherited from <code>object</code></b>:
<code>__delattr__</code>,
<code>__getattribute__</code>,
<code>__hash__</code>,
<code>__reduce_ex__</code>,
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<a name="__instance_size__"></a><span class="summary-name">__instance_size__</span> = <code title="20">20</code>
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<a name="__safe_for_unpickling__"></a><span class="summary-name">__safe_for_unpickling__</span> = <code title="True">True</code>
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<p class="indent-wrapped-lines"><b>Inherited from <code>object</code></b>:
<code>__class__</code>
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<h3 class="epydoc"><span class="sig"><span class="sig-name">__getinitargs__</span>(<span class="sig-arg">...</span>)</span>
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<pre class="literalblock">
__getinitargs__( (ProjTransform)arg1) -&gt; tuple :
C++ signature :
boost::python::tuple __getinitargs__(mapnik::proj_transform)
</pre>
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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">...</span>)</span>
<br /><em class="fname">(Constructor)</em>
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__init__( (object)arg1, (Projection)arg2, (Projection)arg3) -&gt; None :
C++ signature :
void __init__(_object*,mapnik::projection,mapnik::projection)
</pre>
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<dt>Overrides:
object.__init__
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<a name="__reduce__"></a>
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<h3 class="epydoc"><span class="sig"><span class="sig-name">__reduce__</span>(<span class="sig-arg">...</span>)</span>
</h3>
</td><td align="right" valign="top"
>&nbsp;
</td>
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<p>helper for pickle</p>
<dl class="fields">
<dt>Overrides:
object.__reduce__
<dd><em class="note">(inherited documentation)</em></dd>
</dt>
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<a name="backward"></a>
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<h3 class="epydoc"><span class="sig"><span class="sig-name">backward</span>(<span class="sig-arg">...</span>)</span>
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>&nbsp;
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<pre class="literalblock">
backward( (ProjTransform)arg1, (Coord)arg2) -&gt; Coord :
C++ signature :
mapnik::coord&lt;double, 2&gt; backward(mapnik::proj_transform {lvalue},mapnik::coord&lt;double, 2&gt;)
backward( (ProjTransform)arg1, (Envelope)arg2) -&gt; Envelope :
C++ signature :
mapnik::Envelope&lt;double&gt; backward(mapnik::proj_transform {lvalue},mapnik::Envelope&lt;double&gt;)
</pre>
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</dl>
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<a name="forward"></a>
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<h3 class="epydoc"><span class="sig"><span class="sig-name">forward</span>(<span class="sig-arg">...</span>)</span>
</h3>
</td><td align="right" valign="top"
>&nbsp;
</td>
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<pre class="literalblock">
forward( (ProjTransform)arg1, (Coord)arg2) -&gt; Coord :
C++ signature :
mapnik::coord&lt;double, 2&gt; forward(mapnik::proj_transform {lvalue},mapnik::coord&lt;double, 2&gt;)
forward( (ProjTransform)arg1, (Envelope)arg2) -&gt; Envelope :
C++ signature :
mapnik::Envelope&lt;double&gt; forward(mapnik::proj_transform {lvalue},mapnik::Envelope&lt;double&gt;)
</pre>
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