1318 lines
40 KiB
HTML
1318 lines
40 KiB
HTML
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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<span class="breadcrumbs">
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<a href="mapnik-module.html">Package mapnik</a> ::
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Class Envelope
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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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<!-- hide/show private -->
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</table>
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<!-- ==================== CLASS DESCRIPTION ==================== -->
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<h1 class="epydoc">Class Envelope</h1><p class="nomargin-top"></p>
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<pre class="base-tree">
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object --+
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??.instance --+
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<strong class="uidshort">Envelope</strong>
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</pre>
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<dl><dt>Known Subclasses:</dt>
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<dd>
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<ul class="subclass-list">
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<li class="private">_Envelope</li> </ul>
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</dd></dl>
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<hr />
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<pre class="literalblock">
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Represents a spatial envelope (i.e. bounding box).
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Following operators are defined for Envelope:
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Addition:
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e1 + e2 is equvalent to e1.expand_to_include(e2) but yields
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a new envelope instead of modifying e1
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Subtraction:
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Currently e1 - e2 returns e1.
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Multiplication and division with floats:
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Multiplication and division change the width and height of the envelope
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by the given factor without modifying its center..
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That is, e1 * x is equivalent to:
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e1.width(x * e1.width())
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e1.height(x * e1.height()),
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except that a new envelope is created instead of modifying e1.
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e1 / x is equivalent to e1 * (1.0/x).
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Equality: two envelopes are equal if their corner points are equal.
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</pre>
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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 href="mapnik.Envelope-class.html#__add__" class="summary-sig-name">__add__</a>(<span class="summary-sig-arg">...</span>)</span><br />
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__add__( (Envelope)arg1, (Envelope)arg2) -> object :</td>
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<td align="right" valign="top">
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</td>
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</td>
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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="mapnik.Envelope-class.html#__div__" class="summary-sig-name">__div__</a>(<span class="summary-sig-arg">...</span>)</span><br />
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__div__( (Envelope)arg1, (float)arg2) -> object :</td>
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<td align="right" valign="top">
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</td>
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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="mapnik.Envelope-class.html#__eq__" class="summary-sig-name">__eq__</a>(<span class="summary-sig-arg">...</span>)</span><br />
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__eq__( (Envelope)arg1, (Envelope)arg2) -> object :</td>
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<td align="right" valign="top">
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</td>
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</table>
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</td>
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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="mapnik.Envelope-class.html#__getinitargs__" class="summary-sig-name">__getinitargs__</a>(<span class="summary-sig-arg">...</span>)</span><br />
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__getinitargs__( (Envelope)arg1) -> tuple :</td>
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<td align="right" valign="top">
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</td>
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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="mapnik.Envelope-class.html#__init__" class="summary-sig-name">__init__</a>(<span class="summary-sig-arg">...</span>)</span><br />
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__init__( (object)arg1, (float)minx, (float)miny, (float)maxx, (float)maxy) -> None :
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Constructs a new envelope from the coordinates
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of its lower left and upper right corner points.</td>
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<td align="right" valign="top">
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</td>
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</table>
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</td>
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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="mapnik.Envelope-class.html#__mul__" class="summary-sig-name">__mul__</a>(<span class="summary-sig-arg">...</span>)</span><br />
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__mul__( (Envelope)arg1, (float)arg2) -> object :</td>
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<td align="right" valign="top">
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</td>
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</table>
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</td>
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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="mapnik.Envelope-class.html#__reduce__" class="summary-sig-name">__reduce__</a>(<span class="summary-sig-arg">...</span>)</span><br />
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helper for pickle</td>
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<td align="right" valign="top">
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</td>
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</td>
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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="mapnik.Envelope-class.html#__repr__" class="summary-sig-name">__repr__</a>(<span class="summary-sig-arg">self</span>)</span><br />
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repr(x)</td>
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<td align="right" valign="top">
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</td>
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</table>
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</td>
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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="mapnik.Envelope-class.html#__rmul__" class="summary-sig-name">__rmul__</a>(<span class="summary-sig-arg">...</span>)</span><br />
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__rmul__( (Envelope)arg1, (float)arg2) -> object :</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="mapnik.Envelope-class.html#__sub__" class="summary-sig-name">__sub__</a>(<span class="summary-sig-arg">...</span>)</span><br />
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__sub__( (Envelope)arg1, (Envelope)arg2) -> object :</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="mapnik.Envelope-class.html#center" class="summary-sig-name">center</a>(<span class="summary-sig-arg">...</span>)</span><br />
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center( (Envelope)arg1) -> Coord :
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Returns the coordinates of the center of the bounding box.</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="mapnik.Envelope-class.html#contains" class="summary-sig-name">contains</a>(<span class="summary-sig-arg">...</span>)</span><br />
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contains( (Envelope)arg1, (float)x, (float)y) -> bool :
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Returns True iff this envelope contains the point
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given by x and y.</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="mapnik.Envelope-class.html#expand_to_include" class="summary-sig-name">expand_to_include</a>(<span class="summary-sig-arg">...</span>)</span><br />
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expand_to_include( (Envelope)arg1, (float)x, (float)y) -> None :
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Expands this envelope to include the point given by x and y.</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="mapnik.Envelope-class.html#forward" class="summary-sig-name">forward</a>(<span class="summary-sig-arg">self</span>,
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<span class="summary-sig-arg">projection</span>)</span><br />
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Projects the envelope from the geographic space
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into the cartesian space by projecting its corner
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points.</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="mapnik.Envelope-class.html#height" class="summary-sig-name">height</a>(<span class="summary-sig-arg">...</span>)</span><br />
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height( (Envelope)arg1, (float)new_height) -> None :
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Sets the height to new_height of the envelope preserving its center.</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="mapnik.Envelope-class.html#intersect" class="summary-sig-name">intersect</a>(<span class="summary-sig-arg">...</span>)</span><br />
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intersect( (Envelope)arg1, (Envelope)other) -> Envelope :
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Returns the overlap of this envelope and the other envelope
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as a new envelope.</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="mapnik.Envelope-class.html#intersects" class="summary-sig-name">intersects</a>(<span class="summary-sig-arg">...</span>)</span><br />
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intersects( (Envelope)arg1, (float)x, (float)y) -> bool :
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Returns True iff this envelope intersects the point
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given by x and y.</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="mapnik.Envelope-class.html#inverse" class="summary-sig-name">inverse</a>(<span class="summary-sig-arg">self</span>,
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<span class="summary-sig-arg">projection</span>)</span><br />
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Projects the envelope from the cartesian space
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into the geographic space by projecting its corner
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points.</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="mapnik.Envelope-class.html#width" class="summary-sig-name">width</a>(<span class="summary-sig-arg">...</span>)</span><br />
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width( (Envelope)arg1, (float)new_width) -> None :
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Sets the width to new_width of the envelope preserving its center.</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 colspan="2" class="summary">
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<p class="indent-wrapped-lines"><b>Inherited from <code><i>unreachable</i>.instance</code></b>:
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<code>__new__</code>
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</p>
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<p class="indent-wrapped-lines"><b>Inherited from <code>object</code></b>:
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<code>__delattr__</code>,
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<code>__getattribute__</code>,
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<code>__hash__</code>,
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<code>__reduce_ex__</code>,
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<code>__setattr__</code>,
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<code>__str__</code>
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</p>
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</td>
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</tr>
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</table>
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<!-- ==================== CLASS VARIABLES ==================== -->
|
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<a name="section-ClassVariables"></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">Class Variables</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">
|
|
<span class="summary-type"> </span>
|
|
</td><td class="summary">
|
|
<a name="__instance_size__"></a><span class="summary-name">__instance_size__</span> = <code title="40">40</code>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td width="15%" align="right" valign="top" class="summary">
|
|
<span class="summary-type"> </span>
|
|
</td><td class="summary">
|
|
<a name="__safe_for_unpickling__"></a><span class="summary-name">__safe_for_unpickling__</span> = <code title="True">True</code>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
<!-- ==================== PROPERTIES ==================== -->
|
|
<a name="section-Properties"></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">Properties</span></td>
|
|
</tr>
|
|
<tr>
|
|
<td width="15%" align="right" valign="top" class="summary">
|
|
<span class="summary-type"> </span>
|
|
</td><td class="summary">
|
|
<a href="mapnik.Envelope-class.html#maxx" class="summary-name">maxx</a><br />
|
|
X coordinate for the upper right corner
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td width="15%" align="right" valign="top" class="summary">
|
|
<span class="summary-type"> </span>
|
|
</td><td class="summary">
|
|
<a href="mapnik.Envelope-class.html#maxy" class="summary-name">maxy</a><br />
|
|
Y coordinate for the upper right corner
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td width="15%" align="right" valign="top" class="summary">
|
|
<span class="summary-type"> </span>
|
|
</td><td class="summary">
|
|
<a href="mapnik.Envelope-class.html#minx" class="summary-name">minx</a><br />
|
|
X coordinate for the lower left corner
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td width="15%" align="right" valign="top" class="summary">
|
|
<span class="summary-type"> </span>
|
|
</td><td class="summary">
|
|
<a href="mapnik.Envelope-class.html#miny" class="summary-name">miny</a><br />
|
|
Y coordinate for the lower left corner
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td colspan="2" class="summary">
|
|
<p class="indent-wrapped-lines"><b>Inherited from <code>object</code></b>:
|
|
<code>__class__</code>
|
|
</p>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
<!-- ==================== METHOD DETAILS ==================== -->
|
|
<a name="section-MethodDetails"></a>
|
|
<table class="details" 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">Method Details</span></td>
|
|
</tr>
|
|
</table>
|
|
<a name="__add__"></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">__add__</span>(<span class="sig-arg">...</span>)</span>
|
|
<br /><em class="fname">(Addition operator)</em>
|
|
</h3>
|
|
</td><td align="right" valign="top"
|
|
>
|
|
</td>
|
|
</tr></table>
|
|
|
|
<pre class="literalblock">
|
|
|
|
__add__( (Envelope)arg1, (Envelope)arg2) -> object :
|
|
|
|
C++ signature :
|
|
_object* __add__(mapnik::Envelope<double> {lvalue},mapnik::Envelope<double>)
|
|
|
|
</pre>
|
|
<dl class="fields">
|
|
</dl>
|
|
</td></tr></table>
|
|
</div>
|
|
<a name="__div__"></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">__div__</span>(<span class="sig-arg">...</span>)</span>
|
|
</h3>
|
|
</td><td align="right" valign="top"
|
|
>
|
|
</td>
|
|
</tr></table>
|
|
|
|
<pre class="literalblock">
|
|
|
|
__div__( (Envelope)arg1, (float)arg2) -> object :
|
|
|
|
C++ signature :
|
|
_object* __div__(mapnik::Envelope<double> {lvalue},float)
|
|
|
|
</pre>
|
|
<dl class="fields">
|
|
</dl>
|
|
</td></tr></table>
|
|
</div>
|
|
<a name="__eq__"></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">__eq__</span>(<span class="sig-arg">...</span>)</span>
|
|
<br /><em class="fname">(Equality operator)</em>
|
|
</h3>
|
|
</td><td align="right" valign="top"
|
|
>
|
|
</td>
|
|
</tr></table>
|
|
|
|
<pre class="literalblock">
|
|
|
|
__eq__( (Envelope)arg1, (Envelope)arg2) -> object :
|
|
|
|
C++ signature :
|
|
_object* __eq__(mapnik::Envelope<double> {lvalue},mapnik::Envelope<double>)
|
|
|
|
</pre>
|
|
<dl class="fields">
|
|
</dl>
|
|
</td></tr></table>
|
|
</div>
|
|
<a name="__getinitargs__"></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">__getinitargs__</span>(<span class="sig-arg">...</span>)</span>
|
|
</h3>
|
|
</td><td align="right" valign="top"
|
|
>
|
|
</td>
|
|
</tr></table>
|
|
|
|
<pre class="literalblock">
|
|
|
|
__getinitargs__( (Envelope)arg1) -> tuple :
|
|
|
|
C++ signature :
|
|
boost::python::tuple __getinitargs__(mapnik::Envelope<double>)
|
|
|
|
</pre>
|
|
<dl class="fields">
|
|
</dl>
|
|
</td></tr></table>
|
|
</div>
|
|
<a name="__init__"></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">__init__</span>(<span class="sig-arg">...</span>)</span>
|
|
<br /><em class="fname">(Constructor)</em>
|
|
</h3>
|
|
</td><td align="right" valign="top"
|
|
>
|
|
</td>
|
|
</tr></table>
|
|
|
|
<pre class="literalblock">
|
|
|
|
__init__( (object)arg1, (float)minx, (float)miny, (float)maxx, (float)maxy) -> None :
|
|
Constructs a new envelope from the coordinates
|
|
of its lower left and upper right corner points.
|
|
|
|
|
|
C++ signature :
|
|
void __init__(_object*,double,double,double,double)
|
|
|
|
__init__( (object)arg1) -> None :
|
|
Equivalent to Envelope(0, 0, -1, -1).
|
|
|
|
|
|
C++ signature :
|
|
void __init__(_object*)
|
|
|
|
__init__( (object)arg1, (Coord)ll, (Coord)ur) -> None :
|
|
Equivalent to Envelope(ll.x, ll.y, ur.x, ur.y).
|
|
|
|
|
|
C++ signature :
|
|
void __init__(_object*,mapnik::coord<double, 2>,mapnik::coord<double, 2>)
|
|
|
|
</pre>
|
|
<dl class="fields">
|
|
<dt>Overrides:
|
|
object.__init__
|
|
</dt>
|
|
</dl>
|
|
</td></tr></table>
|
|
</div>
|
|
<a name="__mul__"></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">__mul__</span>(<span class="sig-arg">...</span>)</span>
|
|
</h3>
|
|
</td><td align="right" valign="top"
|
|
>
|
|
</td>
|
|
</tr></table>
|
|
|
|
<pre class="literalblock">
|
|
|
|
__mul__( (Envelope)arg1, (float)arg2) -> object :
|
|
|
|
C++ signature :
|
|
_object* __mul__(mapnik::Envelope<double> {lvalue},float)
|
|
|
|
</pre>
|
|
<dl class="fields">
|
|
</dl>
|
|
</td></tr></table>
|
|
</div>
|
|
<a name="__reduce__"></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">__reduce__</span>(<span class="sig-arg">...</span>)</span>
|
|
</h3>
|
|
</td><td align="right" valign="top"
|
|
>
|
|
</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="__repr__"></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">__repr__</span>(<span class="sig-arg">self</span>)</span>
|
|
<br /><em class="fname">(Representation operator)</em>
|
|
</h3>
|
|
</td><td align="right" valign="top"
|
|
>
|
|
</td>
|
|
</tr></table>
|
|
|
|
<p>repr(x)</p>
|
|
<dl class="fields">
|
|
<dt>Overrides:
|
|
object.__repr__
|
|
<dd><em class="note">(inherited documentation)</em></dd>
|
|
</dt>
|
|
</dl>
|
|
</td></tr></table>
|
|
</div>
|
|
<a name="__rmul__"></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">__rmul__</span>(<span class="sig-arg">...</span>)</span>
|
|
</h3>
|
|
</td><td align="right" valign="top"
|
|
>
|
|
</td>
|
|
</tr></table>
|
|
|
|
<pre class="literalblock">
|
|
|
|
__rmul__( (Envelope)arg1, (float)arg2) -> object :
|
|
|
|
C++ signature :
|
|
_object* __rmul__(mapnik::Envelope<double> {lvalue},float)
|
|
|
|
</pre>
|
|
<dl class="fields">
|
|
</dl>
|
|
</td></tr></table>
|
|
</div>
|
|
<a name="__sub__"></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">__sub__</span>(<span class="sig-arg">...</span>)</span>
|
|
<br /><em class="fname">(Subtraction operator)</em>
|
|
</h3>
|
|
</td><td align="right" valign="top"
|
|
>
|
|
</td>
|
|
</tr></table>
|
|
|
|
<pre class="literalblock">
|
|
|
|
__sub__( (Envelope)arg1, (Envelope)arg2) -> object :
|
|
|
|
C++ signature :
|
|
_object* __sub__(mapnik::Envelope<double> {lvalue},mapnik::Envelope<double>)
|
|
|
|
</pre>
|
|
<dl class="fields">
|
|
</dl>
|
|
</td></tr></table>
|
|
</div>
|
|
<a name="center"></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">center</span>(<span class="sig-arg">...</span>)</span>
|
|
</h3>
|
|
</td><td align="right" valign="top"
|
|
>
|
|
</td>
|
|
</tr></table>
|
|
|
|
<pre class="literalblock">
|
|
|
|
center( (Envelope)arg1) -> Coord :
|
|
Returns the coordinates of the center of the bounding box.
|
|
|
|
Example:
|
|
>>> e = Envelope(0, 0, 100, 100)
|
|
>>> e.center()
|
|
Coord(50, 50)
|
|
|
|
|
|
C++ signature :
|
|
mapnik::coord<double, 2> center(mapnik::Envelope<double> {lvalue})
|
|
|
|
center( (Envelope)arg1, (float)x, (float)y) -> None :
|
|
Moves the envelope so that the given coordinates become its new center.
|
|
The width and the height are preserved.
|
|
|
|
Example:
|
|
>>> e = Envelope(0, 0, 100, 100)
|
|
>>> e.center(60, 60)
|
|
>>> e.center()
|
|
Coord(60.0,60.0)
|
|
>>> (e.width(), e.height())
|
|
(100.0, 100.0)
|
|
>>> e
|
|
Envelope(10.0, 10.0, 110.0, 110.0)
|
|
|
|
|
|
C++ signature :
|
|
void center(mapnik::Envelope<double> {lvalue},double,double)
|
|
|
|
</pre>
|
|
<dl class="fields">
|
|
</dl>
|
|
</td></tr></table>
|
|
</div>
|
|
<a name="contains"></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">contains</span>(<span class="sig-arg">...</span>)</span>
|
|
</h3>
|
|
</td><td align="right" valign="top"
|
|
>
|
|
</td>
|
|
</tr></table>
|
|
|
|
<pre class="literalblock">
|
|
|
|
contains( (Envelope)arg1, (float)x, (float)y) -> bool :
|
|
Returns True iff this envelope contains the point
|
|
given by x and y.
|
|
|
|
|
|
C++ signature :
|
|
bool contains(mapnik::Envelope<double> {lvalue},double,double)
|
|
|
|
contains( (Envelope)arg1, (Coord)p) -> bool :
|
|
Equivalent to contains(p.x, p.y)
|
|
|
|
|
|
C++ signature :
|
|
bool contains(mapnik::Envelope<double> {lvalue},mapnik::coord<double, 2>)
|
|
|
|
contains( (Envelope)arg1, (Envelope)other) -> bool :
|
|
Equivalent to:
|
|
contains(other.minx, other.miny) and contains(other.maxx, other.maxy)
|
|
|
|
|
|
C++ signature :
|
|
bool contains(mapnik::Envelope<double> {lvalue},mapnik::Envelope<double>)
|
|
|
|
</pre>
|
|
<dl class="fields">
|
|
</dl>
|
|
</td></tr></table>
|
|
</div>
|
|
<a name="expand_to_include"></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">expand_to_include</span>(<span class="sig-arg">...</span>)</span>
|
|
</h3>
|
|
</td><td align="right" valign="top"
|
|
>
|
|
</td>
|
|
</tr></table>
|
|
|
|
<pre class="literalblock">
|
|
|
|
expand_to_include( (Envelope)arg1, (float)x, (float)y) -> None :
|
|
Expands this envelope to include the point given by x and y.
|
|
|
|
Example:
|
|
|
|
|
|
C++ signature :
|
|
void expand_to_include(mapnik::Envelope<double> {lvalue},double,double)
|
|
|
|
expand_to_include( (Envelope)arg1, (Coord)p) -> None :
|
|
Equivalent to expand_to_include(p.x, p.y)
|
|
|
|
|
|
C++ signature :
|
|
void expand_to_include(mapnik::Envelope<double> {lvalue},mapnik::coord<double, 2>)
|
|
|
|
expand_to_include( (Envelope)arg1, (Envelope)other) -> None :
|
|
Equivalent to:
|
|
expand_to_include(other.minx, other.miny)
|
|
expand_to_include(other.maxx, other.maxy)
|
|
|
|
|
|
C++ signature :
|
|
void expand_to_include(mapnik::Envelope<double> {lvalue},mapnik::Envelope<double>)
|
|
|
|
</pre>
|
|
<dl class="fields">
|
|
</dl>
|
|
</td></tr></table>
|
|
</div>
|
|
<a name="forward"></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">forward</span>(<span class="sig-arg">self</span>,
|
|
<span class="sig-arg">projection</span>)</span>
|
|
</h3>
|
|
</td><td align="right" valign="top"
|
|
>
|
|
</td>
|
|
</tr></table>
|
|
|
|
<pre class="literalblock">
|
|
|
|
Projects the envelope from the geographic space
|
|
into the cartesian space by projecting its corner
|
|
points.
|
|
|
|
See also:
|
|
Coord.forward(self, projection)
|
|
|
|
</pre>
|
|
<dl class="fields">
|
|
</dl>
|
|
</td></tr></table>
|
|
</div>
|
|
<a name="height"></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">height</span>(<span class="sig-arg">...</span>)</span>
|
|
</h3>
|
|
</td><td align="right" valign="top"
|
|
>
|
|
</td>
|
|
</tr></table>
|
|
|
|
<pre class="literalblock">
|
|
|
|
height( (Envelope)arg1, (float)new_height) -> None :
|
|
Sets the height to new_height of the envelope preserving its center.
|
|
|
|
Example:
|
|
>>> e = Envelope(0, 0, 100, 100)
|
|
>>> e.height(120)
|
|
>>> e.center()
|
|
Coord(50.0,50.0)
|
|
>>> e
|
|
Envelope(0.0, -10.0, 100.0, 110.0)
|
|
|
|
|
|
C++ signature :
|
|
void height(mapnik::Envelope<double> {lvalue},double)
|
|
|
|
height( (Envelope)arg1) -> float :
|
|
Returns the height of this envelope.
|
|
|
|
|
|
C++ signature :
|
|
double height(mapnik::Envelope<double> {lvalue})
|
|
|
|
</pre>
|
|
<dl class="fields">
|
|
</dl>
|
|
</td></tr></table>
|
|
</div>
|
|
<a name="intersect"></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">intersect</span>(<span class="sig-arg">...</span>)</span>
|
|
</h3>
|
|
</td><td align="right" valign="top"
|
|
>
|
|
</td>
|
|
</tr></table>
|
|
|
|
<pre class="literalblock">
|
|
|
|
intersect( (Envelope)arg1, (Envelope)other) -> Envelope :
|
|
Returns the overlap of this envelope and the other envelope
|
|
as a new envelope.
|
|
|
|
Example:
|
|
>>> e1 = Envelope(0, 0, 100, 100)
|
|
>>> e2 = Envelope(50, 50, 150, 150)
|
|
>>> e1.intersect(e2)
|
|
Envelope(50.0, 50.0, 100.0, 100.0)
|
|
|
|
|
|
C++ signature :
|
|
mapnik::Envelope<double> intersect(mapnik::Envelope<double> {lvalue},mapnik::Envelope<double>)
|
|
|
|
</pre>
|
|
<dl class="fields">
|
|
</dl>
|
|
</td></tr></table>
|
|
</div>
|
|
<a name="intersects"></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">intersects</span>(<span class="sig-arg">...</span>)</span>
|
|
</h3>
|
|
</td><td align="right" valign="top"
|
|
>
|
|
</td>
|
|
</tr></table>
|
|
|
|
<pre class="literalblock">
|
|
|
|
intersects( (Envelope)arg1, (float)x, (float)y) -> bool :
|
|
Returns True iff this envelope intersects the point
|
|
given by x and y.
|
|
|
|
Note: For points, intersection is equivalent
|
|
to containment, i.e. the following holds:
|
|
e.contains(x, y) == e.intersects(x, y)
|
|
|
|
|
|
C++ signature :
|
|
bool intersects(mapnik::Envelope<double> {lvalue},double,double)
|
|
|
|
intersects( (Envelope)arg1, (Coord)p) -> bool :
|
|
Equivalent to contains(p.x, p.y)
|
|
|
|
|
|
C++ signature :
|
|
bool intersects(mapnik::Envelope<double> {lvalue},mapnik::coord<double, 2>)
|
|
|
|
intersects( (Envelope)arg1, (Envelope)other) -> bool :
|
|
Returns True iff this envelope intersects the other envelope,
|
|
This relationship is symmetric.
|
|
Example:
|
|
>>> e1 = Envelope(0, 0, 100, 100)
|
|
>>> e2 = Envelope(50, 50, 150, 150)
|
|
>>> e1.intersects(e2)
|
|
True
|
|
>>> e1.contains(e2)
|
|
False
|
|
|
|
|
|
C++ signature :
|
|
bool intersects(mapnik::Envelope<double> {lvalue},mapnik::Envelope<double>)
|
|
|
|
</pre>
|
|
<dl class="fields">
|
|
</dl>
|
|
</td></tr></table>
|
|
</div>
|
|
<a name="inverse"></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">inverse</span>(<span class="sig-arg">self</span>,
|
|
<span class="sig-arg">projection</span>)</span>
|
|
</h3>
|
|
</td><td align="right" valign="top"
|
|
>
|
|
</td>
|
|
</tr></table>
|
|
|
|
<pre class="literalblock">
|
|
|
|
Projects the envelope from the cartesian space
|
|
into the geographic space by projecting its corner
|
|
points.
|
|
|
|
See also:
|
|
Coord.inverse(self, projection).
|
|
|
|
</pre>
|
|
<dl class="fields">
|
|
</dl>
|
|
</td></tr></table>
|
|
</div>
|
|
<a name="width"></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">width</span>(<span class="sig-arg">...</span>)</span>
|
|
</h3>
|
|
</td><td align="right" valign="top"
|
|
>
|
|
</td>
|
|
</tr></table>
|
|
|
|
<pre class="literalblock">
|
|
|
|
width( (Envelope)arg1, (float)new_width) -> None :
|
|
Sets the width to new_width of the envelope preserving its center.
|
|
|
|
Example:
|
|
>>> e = Envelope(0, 0, 100, 100)
|
|
>>> e.width(120)
|
|
>>> e.center()
|
|
Coord(50.0,50.0)
|
|
>>> e
|
|
Envelope(-10.0, 0.0, 110.0, 100.0)
|
|
|
|
|
|
C++ signature :
|
|
void width(mapnik::Envelope<double> {lvalue},double)
|
|
|
|
width( (Envelope)arg1) -> float :
|
|
Returns the width of this envelope.
|
|
|
|
|
|
C++ signature :
|
|
double width(mapnik::Envelope<double> {lvalue})
|
|
|
|
</pre>
|
|
<dl class="fields">
|
|
</dl>
|
|
</td></tr></table>
|
|
</div>
|
|
<br />
|
|
<!-- ==================== PROPERTY DETAILS ==================== -->
|
|
<a name="section-PropertyDetails"></a>
|
|
<table class="details" 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">Property Details</span></td>
|
|
</tr>
|
|
</table>
|
|
<a name="maxx"></a>
|
|
<div>
|
|
<table class="details" border="1" cellpadding="3"
|
|
cellspacing="0" width="100%" bgcolor="white">
|
|
<tr><td>
|
|
<h3 class="epydoc">maxx</h3>
|
|
<p>X coordinate for the upper right corner</p>
|
|
<dl class="fields">
|
|
<dt>Get Method:</dt>
|
|
<dd class="value"><span class="summary-sig"><i>unreachable</i>(<span class="summary-sig-arg">...</span>)</span>
|
|
</dd>
|
|
</dl>
|
|
</td></tr></table>
|
|
</div>
|
|
<a name="maxy"></a>
|
|
<div>
|
|
<table class="details" border="1" cellpadding="3"
|
|
cellspacing="0" width="100%" bgcolor="white">
|
|
<tr><td>
|
|
<h3 class="epydoc">maxy</h3>
|
|
<p>Y coordinate for the upper right corner</p>
|
|
<dl class="fields">
|
|
<dt>Get Method:</dt>
|
|
<dd class="value"><span class="summary-sig"><i>unreachable</i>(<span class="summary-sig-arg">...</span>)</span>
|
|
</dd>
|
|
</dl>
|
|
</td></tr></table>
|
|
</div>
|
|
<a name="minx"></a>
|
|
<div>
|
|
<table class="details" border="1" cellpadding="3"
|
|
cellspacing="0" width="100%" bgcolor="white">
|
|
<tr><td>
|
|
<h3 class="epydoc">minx</h3>
|
|
<p>X coordinate for the lower left corner</p>
|
|
<dl class="fields">
|
|
<dt>Get Method:</dt>
|
|
<dd class="value"><span class="summary-sig"><i>unreachable</i>(<span class="summary-sig-arg">...</span>)</span>
|
|
</dd>
|
|
</dl>
|
|
</td></tr></table>
|
|
</div>
|
|
<a name="miny"></a>
|
|
<div>
|
|
<table class="details" border="1" cellpadding="3"
|
|
cellspacing="0" width="100%" bgcolor="white">
|
|
<tr><td>
|
|
<h3 class="epydoc">miny</h3>
|
|
<p>Y coordinate for the lower left corner</p>
|
|
<dl class="fields">
|
|
<dt>Get Method:</dt>
|
|
<dd class="value"><span class="summary-sig"><i>unreachable</i>(<span class="summary-sig-arg">...</span>)</span>
|
|
</dd>
|
|
</dl>
|
|
</td></tr></table>
|
|
</div>
|
|
<br />
|
|
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|
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href="mapnik-module.html">Home</a> </th>
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