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mapnik/docs/api_docs/python/mapnik._mapnik.ViewTransform-class.html
Dane Springmeyer 52166debe6 + update python api docs
2009-04-12 21:37:42 +00:00

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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;ViewTransform
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<!-- ==================== CLASS DESCRIPTION ==================== -->
<h1 class="epydoc">Class ViewTransform</h1><p class="nomargin-top"></p>
<pre class="base-tree">
object --+
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??.instance --+
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<strong class="uidshort">ViewTransform</strong>
</pre>
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<!-- ==================== INSTANCE METHODS ==================== -->
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<span class="table-header">Instance Methods</span></td>
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<span class="summary-type">&nbsp;</span>
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<td><span class="summary-sig"><a href="mapnik._mapnik.ViewTransform-class.html#__init__" class="summary-sig-name">__init__</a>(<span class="summary-sig-arg">...</span>)</span><br />
__init__( (object)arg1, (int)arg2, (int)arg3, (Envelope)arg4) -&gt; None :
Create a ViewTransform with a width and height as integers and extent</td>
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<span class="summary-type">&nbsp;</span>
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<td><span class="summary-sig"><a href="mapnik._mapnik.ViewTransform-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.ViewTransform-class.html#backward" class="summary-sig-name">backward</a>(<span class="summary-sig-arg">...</span>)</span><br />
backward( (ViewTransform)arg1, (Coord)arg2) -&gt; Coord :</td>
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<td><span class="summary-sig"><a href="mapnik._mapnik.ViewTransform-class.html#forward" class="summary-sig-name">forward</a>(<span class="summary-sig-arg">...</span>)</span><br />
forward( (ViewTransform)arg1, (Coord)arg2) -&gt; Coord :</td>
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<span class="summary-type">&nbsp;</span>
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<td><span class="summary-sig"><a href="mapnik._mapnik.ViewTransform-class.html#scale_x" class="summary-sig-name">scale_x</a>(<span class="summary-sig-arg">...</span>)</span><br />
scale_x( (ViewTransform)arg1) -&gt; float :</td>
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</td>
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<span class="summary-type">&nbsp;</span>
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<td><span class="summary-sig"><a href="mapnik._mapnik.ViewTransform-class.html#scale_y" class="summary-sig-name">scale_y</a>(<span class="summary-sig-arg">...</span>)</span><br />
scale_y( (ViewTransform)arg1) -&gt; float :</td>
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<p class="indent-wrapped-lines"><b>Inherited from <code><i>unreachable</i>.instance</code></b>:
<code>__new__</code>
</p>
<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>,
<code>__repr__</code>,
<code>__setattr__</code>,
<code>__str__</code>
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<a name="__instance_size__"></a><span class="summary-name">__instance_size__</span> = <code title="80">80</code>
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<!-- ==================== PROPERTIES ==================== -->
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<p class="indent-wrapped-lines"><b>Inherited from <code>object</code></b>:
<code>__class__</code>
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<span class="table-header">Method Details</span></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">...</span>)</span>
<br /><em class="fname">(Constructor)</em>
</h3>
</td><td align="right" valign="top"
>&nbsp;
</td>
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<pre class="literalblock">
__init__( (object)arg1, (int)arg2, (int)arg3, (Envelope)arg4) -&gt; None :
Create a ViewTransform with a width and height as integers and extent
C++ signature :
void __init__(_object*,int,int,mapnik::Envelope&lt;double&gt;)
</pre>
<dl class="fields">
<dt>Overrides:
object.__init__
</dt>
</dl>
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</div>
<a name="__reduce__"></a>
<div>
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cellspacing="0" width="100%" bgcolor="white">
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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>
</tr></table>
<p>helper for pickle</p>
<dl class="fields">
<dt>Overrides:
object.__reduce__
<dd><em class="note">(inherited documentation)</em></dd>
</dt>
</dl>
</td></tr></table>
</div>
<a name="backward"></a>
<div>
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<h3 class="epydoc"><span class="sig"><span class="sig-name">backward</span>(<span class="sig-arg">...</span>)</span>
</h3>
</td><td align="right" valign="top"
>&nbsp;
</td>
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<pre class="literalblock">
backward( (ViewTransform)arg1, (Coord)arg2) -&gt; Coord :
C++ signature :
mapnik::coord&lt;double, 2&gt; backward(mapnik::CoordTransform,mapnik::coord&lt;double, 2&gt;)
backward( (ViewTransform)arg1, (Envelope)arg2) -&gt; Envelope :
C++ signature :
mapnik::Envelope&lt;double&gt; backward(mapnik::CoordTransform,mapnik::Envelope&lt;double&gt;)
</pre>
<dl class="fields">
</dl>
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</div>
<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>
</tr></table>
<pre class="literalblock">
forward( (ViewTransform)arg1, (Coord)arg2) -&gt; Coord :
C++ signature :
mapnik::coord&lt;double, 2&gt; forward(mapnik::CoordTransform,mapnik::coord&lt;double, 2&gt;)
forward( (ViewTransform)arg1, (Envelope)arg2) -&gt; Envelope :
C++ signature :
mapnik::Envelope&lt;double&gt; forward(mapnik::CoordTransform,mapnik::Envelope&lt;double&gt;)
</pre>
<dl class="fields">
</dl>
</td></tr></table>
</div>
<a name="scale_x"></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">scale_x</span>(<span class="sig-arg">...</span>)</span>
</h3>
</td><td align="right" valign="top"
>&nbsp;
</td>
</tr></table>
<pre class="literalblock">
scale_x( (ViewTransform)arg1) -&gt; float :
C++ signature :
double scale_x(mapnik::CoordTransform {lvalue})
</pre>
<dl class="fields">
</dl>
</td></tr></table>
</div>
<a name="scale_y"></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">scale_y</span>(<span class="sig-arg">...</span>)</span>
</h3>
</td><td align="right" valign="top"
>&nbsp;
</td>
</tr></table>
<pre class="literalblock">
scale_y( (ViewTransform)arg1) -&gt; float :
C++ signature :
double scale_y(mapnik::CoordTransform {lvalue})
</pre>
<dl class="fields">
</dl>
</td></tr></table>
</div>
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