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<title>GEOS: geos::geom::CoordinateFilter Class Reference</title>
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<li class="navelem"><a class="el" href="namespacegeos.html">geos</a></li><li class="navelem"><a class="el" href="namespacegeos_1_1geom.html">geom</a></li><li class="navelem"><a class="el" href="classgeos_1_1geom_1_1CoordinateFilter.html">CoordinateFilter</a></li> </ul>
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<a href="#pub-methods">Public Member Functions</a> |
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<div class="title">geos::geom::CoordinateFilter Class Reference</div> </div>
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<p><a class="el" href="classgeos_1_1geom_1_1Geometry.html" title="Basic implementation of Geometry, constructed and destructed by GeometryFactory. ">Geometry</a> classes support the concept of applying a coordinate filter to every coordinate in the <a class="el" href="classgeos_1_1geom_1_1Geometry.html" title="Basic implementation of Geometry, constructed and destructed by GeometryFactory. ">Geometry</a>.
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<a href="classgeos_1_1geom_1_1CoordinateFilter.html#details">More...</a></p>
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<p><code>#include <<a class="el" href="CoordinateFilter_8h_source.html">CoordinateFilter.h</a>></code></p>
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Inheritance diagram for geos::geom::CoordinateFilter:</div>
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<div class="center"><iframe scrolling="no" frameborder="0" src="classgeos_1_1geom_1_1CoordinateFilter__inherit__graph.svg" width="506" height="343"><p><b>This browser is not able to show SVG: try Firefox, Chrome, Safari, or Opera instead.</b></p></iframe>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
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Public Member Functions</h2></td></tr>
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<tr class="memitem:a1c6cc93fcbb89d2d5d86c0362dbec7b7"><td class="memItemLeft" align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1geom_1_1CoordinateFilter.html#a1c6cc93fcbb89d2d5d86c0362dbec7b7">~CoordinateFilter</a> ()</td></tr>
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<tr class="memitem:a17c96b1adac371dbbc0ddce2307a8a53"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1geom_1_1CoordinateFilter.html#a17c96b1adac371dbbc0ddce2307a8a53">filter_rw</a> (<a class="el" href="classgeos_1_1geom_1_1Coordinate.html">Coordinate</a> *) const </td></tr>
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<tr class="memdesc:a17c96b1adac371dbbc0ddce2307a8a53"><td class="mdescLeft"> </td><td class="mdescRight">Performs an operation on <code>coord</code>. <a href="#a17c96b1adac371dbbc0ddce2307a8a53">More...</a><br /></td></tr>
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<tr class="separator:a17c96b1adac371dbbc0ddce2307a8a53"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ad2162035396313e6a665d50a7eeba2e9"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1geom_1_1CoordinateFilter.html#ad2162035396313e6a665d50a7eeba2e9">filter_ro</a> (const <a class="el" href="classgeos_1_1geom_1_1Coordinate.html">Coordinate</a> *)</td></tr>
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<tr class="memdesc:ad2162035396313e6a665d50a7eeba2e9"><td class="mdescLeft"> </td><td class="mdescRight">Performs an operation with <code>coord</code>. <a href="#ad2162035396313e6a665d50a7eeba2e9">More...</a><br /></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<div class="textblock"><p><a class="el" href="classgeos_1_1geom_1_1Geometry.html" title="Basic implementation of Geometry, constructed and destructed by GeometryFactory. ">Geometry</a> classes support the concept of applying a coordinate filter to every coordinate in the <a class="el" href="classgeos_1_1geom_1_1Geometry.html" title="Basic implementation of Geometry, constructed and destructed by GeometryFactory. ">Geometry</a>. </p>
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<p>A coordinate filter can either record information about each coordinate or change the coordinate in some way. <a class="el" href="classgeos_1_1geom_1_1Coordinate.html" title="Coordinate is the lightweight class used to store coordinates. ">Coordinate</a> filters implement the interface <code><a class="el" href="classgeos_1_1geom_1_1CoordinateFilter.html" title="Geometry classes support the concept of applying a coordinate filter to every coordinate in the Geome...">CoordinateFilter</a></code>. (<code><a class="el" href="classgeos_1_1geom_1_1CoordinateFilter.html" title="Geometry classes support the concept of applying a coordinate filter to every coordinate in the Geome...">CoordinateFilter</a></code> is an example of the Gang-of-Four Visitor pattern). <a class="el" href="classgeos_1_1geom_1_1Coordinate.html" title="Coordinate is the lightweight class used to store coordinates. ">Coordinate</a> filters can be used to implement such things as coordinate transformations, centroid and envelope computation, and many other functions.</p>
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<p>TODO: provide geom::CoordinateInspector and geom::CoordinateMutator instead of having the two versions of filter_rw and filter_ro </p>
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<p>Definition at line <a class="el" href="CoordinateFilter_8h_source.html#l00043">43</a> of file <a class="el" href="CoordinateFilter_8h_source.html">CoordinateFilter.h</a>.</p>
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</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
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<td class="memname">virtual geos::geom::CoordinateFilter::~CoordinateFilter </td>
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<td>(</td>
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<p>Definition at line <a class="el" href="CoordinateFilter_8h_source.html#l00046">46</a> of file <a class="el" href="CoordinateFilter_8h_source.html">CoordinateFilter.h</a>.</p>
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<h2 class="groupheader">Member Function Documentation</h2>
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<td class="memname">virtual void geos::geom::CoordinateFilter::filter_ro </td>
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<td>(</td>
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<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1Coordinate.html">Coordinate</a> * </td>
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<p>Performs an operation with <code>coord</code>. </p>
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<p><b>param</b> <code>coord</code> a <a class="el" href="classgeos_1_1geom_1_1Coordinate.html" title="Coordinate is the lightweight class used to store coordinates. ">Coordinate</a> to which the filter is applied. </p>
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<p>Reimplemented in <a class="el" href="classgeos_1_1operation_1_1overlayng_1_1PrecisionUtil_1_1InherentScaleFilter.html#af7595db5d0302a2df07cd284e735ae5f">geos::operation::overlayng::PrecisionUtil::InherentScaleFilter</a>, <a class="el" href="classgeos_1_1algorithm_1_1distance_1_1DiscreteHausdorffDistance_1_1MaxPointDistanceFilter.html#a95d11276a030de1ca19888e2d3dc9b2e">geos::algorithm::distance::DiscreteHausdorffDistance::MaxPointDistanceFilter</a>, <a class="el" href="classgeos_1_1util_1_1UniqueCoordinateArrayFilter.html#ac55ff6ba70e882b51f86b3ae09cd6c42">geos::util::UniqueCoordinateArrayFilter</a>, <a class="el" href="classgeos_1_1operation_1_1overlay_1_1ElevationMatrixFilter.html#a01612a3718041f433ac6003926a3157f">geos::operation::overlay::ElevationMatrixFilter</a>, and <a class="el" href="classgeos_1_1util_1_1CoordinateArrayFilter.html#a8bde6449777979f67d523836c8cc448a">geos::util::CoordinateArrayFilter</a>.</p>
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<p>Definition at line <a class="el" href="CoordinateFilter_8h_source.html#l00065">65</a> of file <a class="el" href="CoordinateFilter_8h_source.html">CoordinateFilter.h</a>.</p>
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<td class="memname">virtual void geos::geom::CoordinateFilter::filter_rw </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="classgeos_1_1geom_1_1Coordinate.html">Coordinate</a> * </td>
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<td> const</td>
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<p>Performs an operation on <code>coord</code>. </p>
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<p><b>param</b> <code>coord</code> a <a class="el" href="classgeos_1_1geom_1_1Coordinate.html" title="Coordinate is the lightweight class used to store coordinates. ">Coordinate</a> to which the filter is applied. </p>
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<p>Reimplemented in <a class="el" href="classgeos_1_1operation_1_1overlay_1_1ElevationMatrixFilter.html#a3758f8b1fe200ddfcd068180367f4936">geos::operation::overlay::ElevationMatrixFilter</a>.</p>
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<p>Definition at line <a class="el" href="CoordinateFilter_8h_source.html#l00054">54</a> of file <a class="el" href="CoordinateFilter_8h_source.html">CoordinateFilter.h</a>.</p>
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<hr/>The documentation for this class was generated from the following file:<ul>
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<li><a class="el" href="CoordinateFilter_8h_source.html">CoordinateFilter.h</a></li>
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