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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_1operation.html">operation</a></li><li class="navelem"><a class="el" href="namespacegeos_1_1operation_1_1overlayng.html">overlayng</a></li><li class="navelem"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1OverlayNGRobust.html">OverlayNGRobust</a></li> </ul>
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<div class="title">geos::operation::overlayng::OverlayNGRobust Class Reference</div> </div>
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<p><code>#include <<a class="el" href="OverlayNGRobust_8h_source.html">OverlayNGRobust.h</a>></code></p>
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Classes</h2></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1OverlayNGRobust_1_1SRUnionStrategy.html">SRUnionStrategy</a></td></tr>
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Static Public Member Functions</h2></td></tr>
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<tr class="memitem:a19d2ff7c2f40feb27d0a00396a9d55f0"><td class="memItemLeft" align="right" valign="top">static std::unique_ptr< <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1OverlayNGRobust.html#a19d2ff7c2f40feb27d0a00396a9d55f0">Intersection</a> (const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> *g0, const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> *g1)</td></tr>
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<tr class="memitem:a766fa4359e0939c2045dfaf80cfc2a8d"><td class="memItemLeft" align="right" valign="top">static std::unique_ptr< <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1OverlayNGRobust.html#a766fa4359e0939c2045dfaf80cfc2a8d">Union</a> (const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> *g0, const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> *g1)</td></tr>
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<tr class="separator:a766fa4359e0939c2045dfaf80cfc2a8d"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a49c85df79b33156a2963059359f8594e"><td class="memItemLeft" align="right" valign="top">static std::unique_ptr< <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1OverlayNGRobust.html#a49c85df79b33156a2963059359f8594e">Difference</a> (const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> *g0, const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> *g1)</td></tr>
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<tr class="separator:a49c85df79b33156a2963059359f8594e"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ad5ba9120503412e169ee60123b4fc83c"><td class="memItemLeft" align="right" valign="top">static std::unique_ptr< <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1OverlayNGRobust.html#ad5ba9120503412e169ee60123b4fc83c">SymDifference</a> (const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> *g0, const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> *g1)</td></tr>
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<tr class="separator:ad5ba9120503412e169ee60123b4fc83c"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a8eef78f8f08b674452e03f99d8a5f5db"><td class="memItemLeft" align="right" valign="top">static std::unique_ptr< <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1OverlayNGRobust.html#a8eef78f8f08b674452e03f99d8a5f5db">Union</a> (const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> *a)</td></tr>
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<tr class="separator:a8eef78f8f08b674452e03f99d8a5f5db"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a8c2fad00313c2f0b17a9d50058eef7a7"><td class="memItemLeft" align="right" valign="top">static std::unique_ptr< <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1OverlayNGRobust.html#a8c2fad00313c2f0b17a9d50058eef7a7">Overlay</a> (const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> *geom0, const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> *geom1, int opCode)</td></tr>
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<tr class="separator:a8c2fad00313c2f0b17a9d50058eef7a7"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a664792f4bd427308bd725a16e43410db"><td class="memItemLeft" align="right" valign="top">static std::unique_ptr< <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1OverlayNGRobust.html#a664792f4bd427308bd725a16e43410db">overlaySnapTries</a> (const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> *geom0, const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> *geom1, int opCode)</td></tr>
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<tr class="separator:a664792f4bd427308bd725a16e43410db"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a04180f1494902e6e1f235f1289e2048c"><td class="memItemLeft" align="right" valign="top">static double </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1OverlayNGRobust.html#a04180f1494902e6e1f235f1289e2048c">snapTolerance</a> (const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> *geom0, const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> *geom1)</td></tr>
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<tr class="separator:a04180f1494902e6e1f235f1289e2048c"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pri-static-methods"></a>
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Static Private Member Functions</h2></td></tr>
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<tr class="memitem:a2899a071082d582839eef956603a2a97"><td class="memItemLeft" align="right" valign="top">static std::unique_ptr< <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1OverlayNGRobust.html#a2899a071082d582839eef956603a2a97">overlaySnapping</a> (const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> *geom0, const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> *geom1, int opCode, double snapTol)</td></tr>
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<tr class="separator:a2899a071082d582839eef956603a2a97"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a2d06af03ddfe31cc74401bcc32d422db"><td class="memItemLeft" align="right" valign="top">static std::unique_ptr< <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1OverlayNGRobust.html#a2d06af03ddfe31cc74401bcc32d422db">overlaySnapBoth</a> (const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> *geom0, const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> *geom1, int opCode, double snapTol)</td></tr>
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<tr class="separator:a2d06af03ddfe31cc74401bcc32d422db"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a84f46ea1ef62e896de399212d001c8c0"><td class="memItemLeft" align="right" valign="top">static std::unique_ptr< <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1OverlayNGRobust.html#a84f46ea1ef62e896de399212d001c8c0">overlaySnapTol</a> (const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> *geom0, const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> *geom1, int opCode, double snapTol)</td></tr>
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<tr class="separator:a84f46ea1ef62e896de399212d001c8c0"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a994e91609cdd0817c1d0526dd5c60ccc"><td class="memItemLeft" align="right" valign="top">static double </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1OverlayNGRobust.html#a994e91609cdd0817c1d0526dd5c60ccc">snapTolerance</a> (const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> *geom)</td></tr>
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<tr class="separator:a994e91609cdd0817c1d0526dd5c60ccc"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a4a886de1a438bb5a9e47affa10260d0c"><td class="memItemLeft" align="right" valign="top">static double </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1OverlayNGRobust.html#a4a886de1a438bb5a9e47affa10260d0c">ordinateMagnitude</a> (const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> *geom)</td></tr>
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<tr class="separator:a4a886de1a438bb5a9e47affa10260d0c"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a72ab086c6f0e70fd63f52e4f941ee9a2"><td class="memItemLeft" align="right" valign="top">static std::unique_ptr< <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1OverlayNGRobust.html#a72ab086c6f0e70fd63f52e4f941ee9a2">overlaySR</a> (const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> *geom0, const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> *geom1, int opCode)</td></tr>
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<tr class="separator:a72ab086c6f0e70fd63f52e4f941ee9a2"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ae1c027a582b34396278c33fc89ebd9c3"><td class="memItemLeft" align="right" valign="top">static std::unique_ptr< <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1OverlayNGRobust.html#ae1c027a582b34396278c33fc89ebd9c3">snapSelf</a> (const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> *geom, double snapTol)</td></tr>
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<tr class="separator:ae1c027a582b34396278c33fc89ebd9c3"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pri-static-attribs"></a>
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Static Private Attributes</h2></td></tr>
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<tr class="memitem:aad1e4249c47d92635d4c6e553eec3b00"><td class="memItemLeft" align="right" valign="top">static constexpr int </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1OverlayNGRobust.html#aad1e4249c47d92635d4c6e553eec3b00">NUM_SNAP_TRIES</a> = 5</td></tr>
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<tr class="memitem:a3825ab7eed18673405a5f98bd1cc8b4b"><td class="memItemLeft" align="right" valign="top">static constexpr double </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1OverlayNGRobust.html#a3825ab7eed18673405a5f98bd1cc8b4b">SNAP_TOL_FACTOR</a> = 1e12</td></tr>
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</table>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<div class="textblock"><p>Performs an overlay operation, increasing robustness by using a series of increasingly aggressive (and slower) noding strategies.</p>
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<p>The noding strategies used are:</p>
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<ul>
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<li>A simple, fast noder using FLOATING precision.</li>
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<li>A <a class="el" href="classgeos_1_1noding_1_1snap_1_1SnappingNoder.html">noding::snap::SnappingNoder</a> using an automatically-determined snap tolerance</li>
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<li>First snapping each geometry to itself, and then overlaying them using a SnappingNoder.</li>
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<li>The above two strategies are repeated with increasing snap tolerance, up to a limit.</li>
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</ul>
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<p>If the above heuristics still fail to compute a valid overlay, the original <a class="el" href="classgeos_1_1util_1_1TopologyException.html">util::TopologyException</a> is thrown.</p>
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<p>This algorithm relies on each overlay operation execution throwing a <a class="el" href="classgeos_1_1util_1_1TopologyException.html">util::TopologyException</a> if it is unable to compute the overlay correctly. Generally this occurs because the noding phase does not produce a valid noding. This requires the use of a <a class="el" href="classgeos_1_1noding_1_1ValidatingNoder.html">noding::ValidatingNoder</a> in order to check the results of using a floating noder.</p>
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<dl class="section author"><dt>Author</dt><dd>Martin Davis </dd></dl>
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<p>Definition at line <a class="el" href="OverlayNGRobust_8h_source.html#l00064">64</a> of file <a class="el" href="OverlayNGRobust_8h_source.html">OverlayNGRobust.h</a>.</p>
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</div><h2 class="groupheader">Member Function Documentation</h2>
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<a class="anchor" id="a49c85df79b33156a2963059359f8594e"></a>
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<td class="memname">static std::unique_ptr<<a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a>> geos::operation::overlayng::OverlayNGRobust::Difference </td>
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<td>(</td>
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<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> * </td>
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<td class="paramname"><em>g0</em>, </td>
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<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> * </td>
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<td class="paramname"><em>g1</em> </td>
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<td>)</td>
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<span class="mlabels"><span class="mlabel">static</span></span> </td>
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<td class="memname">static std::unique_ptr<<a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a>> geos::operation::overlayng::OverlayNGRobust::Intersection </td>
|
||
|
<td>(</td>
|
||
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<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> * </td>
|
||
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<td class="paramname"><em>g0</em>, </td>
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</tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> * </td>
|
||
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<td class="paramname"><em>g1</em> </td>
|
||
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</tr>
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||
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</tr>
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</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">static</span></span> </td>
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</tr>
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</div><div class="memdoc">
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<td class="memname">static double geos::operation::overlayng::OverlayNGRobust::ordinateMagnitude </td>
|
||
|
<td>(</td>
|
||
|
<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> * </td>
|
||
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<td class="paramname"><em>geom</em></td><td>)</td>
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<td></td>
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</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">static</span><span class="mlabel">private</span></span> </td>
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</div><div class="memdoc">
|
||
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<p>Computes the largest magnitude of the ordinates of a geometry, based on the geometry envelope.</p>
|
||
|
<dl class="params"><dt>Parameters</dt><dd>
|
||
|
<table class="params">
|
||
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<tr><td class="paramname">geom</td><td>a geometry </td></tr>
|
||
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|
||
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</dd>
|
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|
</dl>
|
||
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<dl class="section return"><dt>Returns</dt><dd>the magnitude of the largest ordinate </dd></dl>
|
||
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|
||
|
</div>
|
||
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||
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<td class="memname">static std::unique_ptr<<a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a>> geos::operation::overlayng::OverlayNGRobust::Overlay </td>
|
||
|
<td>(</td>
|
||
|
<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> * </td>
|
||
|
<td class="paramname"><em>geom0</em>, </td>
|
||
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||
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<td class="paramkey"></td>
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||
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<td></td>
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<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> * </td>
|
||
|
<td class="paramname"><em>geom1</em>, </td>
|
||
|
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||
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||
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<td class="paramkey"></td>
|
||
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<td></td>
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<td class="paramtype">int </td>
|
||
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<td class="paramname"><em>opCode</em> </td>
|
||
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|
||
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">static</span></span> </td>
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|
||
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</table>
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</div><div class="memdoc">
|
||
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<td class="memname">static std::unique_ptr<<a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a>> geos::operation::overlayng::OverlayNGRobust::overlaySnapBoth </td>
|
||
|
<td>(</td>
|
||
|
<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> * </td>
|
||
|
<td class="paramname"><em>geom0</em>, </td>
|
||
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</tr>
|
||
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<tr>
|
||
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<td class="paramkey"></td>
|
||
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<td></td>
|
||
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<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> * </td>
|
||
|
<td class="paramname"><em>geom1</em>, </td>
|
||
|
</tr>
|
||
|
<tr>
|
||
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<td class="paramkey"></td>
|
||
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<td></td>
|
||
|
<td class="paramtype">int </td>
|
||
|
<td class="paramname"><em>opCode</em>, </td>
|
||
|
</tr>
|
||
|
<tr>
|
||
|
<td class="paramkey"></td>
|
||
|
<td></td>
|
||
|
<td class="paramtype">double </td>
|
||
|
<td class="paramname"><em>snapTol</em> </td>
|
||
|
</tr>
|
||
|
<tr>
|
||
|
<td></td>
|
||
|
<td>)</td>
|
||
|
<td></td><td></td>
|
||
|
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|
||
|
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|
||
|
</td>
|
||
|
<td class="mlabels-right">
|
||
|
<span class="mlabels"><span class="mlabel">static</span><span class="mlabel">private</span></span> </td>
|
||
|
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|
||
|
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|
||
|
</div><div class="memdoc">
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||
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||
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<td class="memname">static std::unique_ptr<<a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a>> geos::operation::overlayng::OverlayNGRobust::overlaySnapping </td>
|
||
|
<td>(</td>
|
||
|
<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> * </td>
|
||
|
<td class="paramname"><em>geom0</em>, </td>
|
||
|
</tr>
|
||
|
<tr>
|
||
|
<td class="paramkey"></td>
|
||
|
<td></td>
|
||
|
<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> * </td>
|
||
|
<td class="paramname"><em>geom1</em>, </td>
|
||
|
</tr>
|
||
|
<tr>
|
||
|
<td class="paramkey"></td>
|
||
|
<td></td>
|
||
|
<td class="paramtype">int </td>
|
||
|
<td class="paramname"><em>opCode</em>, </td>
|
||
|
</tr>
|
||
|
<tr>
|
||
|
<td class="paramkey"></td>
|
||
|
<td></td>
|
||
|
<td class="paramtype">double </td>
|
||
|
<td class="paramname"><em>snapTol</em> </td>
|
||
|
</tr>
|
||
|
<tr>
|
||
|
<td></td>
|
||
|
<td>)</td>
|
||
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<td></td><td></td>
|
||
|
</tr>
|
||
|
</table>
|
||
|
</td>
|
||
|
<td class="mlabels-right">
|
||
|
<span class="mlabels"><span class="mlabel">static</span><span class="mlabel">private</span></span> </td>
|
||
|
</tr>
|
||
|
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|
||
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</div><div class="memdoc">
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<td class="memname">static std::unique_ptr<<a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a>> geos::operation::overlayng::OverlayNGRobust::overlaySnapTol </td>
|
||
|
<td>(</td>
|
||
|
<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> * </td>
|
||
|
<td class="paramname"><em>geom0</em>, </td>
|
||
|
</tr>
|
||
|
<tr>
|
||
|
<td class="paramkey"></td>
|
||
|
<td></td>
|
||
|
<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> * </td>
|
||
|
<td class="paramname"><em>geom1</em>, </td>
|
||
|
</tr>
|
||
|
<tr>
|
||
|
<td class="paramkey"></td>
|
||
|
<td></td>
|
||
|
<td class="paramtype">int </td>
|
||
|
<td class="paramname"><em>opCode</em>, </td>
|
||
|
</tr>
|
||
|
<tr>
|
||
|
<td class="paramkey"></td>
|
||
|
<td></td>
|
||
|
<td class="paramtype">double </td>
|
||
|
<td class="paramname"><em>snapTol</em> </td>
|
||
|
</tr>
|
||
|
<tr>
|
||
|
<td></td>
|
||
|
<td>)</td>
|
||
|
<td></td><td></td>
|
||
|
</tr>
|
||
|
</table>
|
||
|
</td>
|
||
|
<td class="mlabels-right">
|
||
|
<span class="mlabels"><span class="mlabel">static</span><span class="mlabel">private</span></span> </td>
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||
|
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</div><div class="memdoc">
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|
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|
||
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|
||
|
<td class="memname">static std::unique_ptr<<a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a>> geos::operation::overlayng::OverlayNGRobust::overlaySnapTries </td>
|
||
|
<td>(</td>
|
||
|
<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> * </td>
|
||
|
<td class="paramname"><em>geom0</em>, </td>
|
||
|
</tr>
|
||
|
<tr>
|
||
|
<td class="paramkey"></td>
|
||
|
<td></td>
|
||
|
<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> * </td>
|
||
|
<td class="paramname"><em>geom1</em>, </td>
|
||
|
</tr>
|
||
|
<tr>
|
||
|
<td class="paramkey"></td>
|
||
|
<td></td>
|
||
|
<td class="paramtype">int </td>
|
||
|
<td class="paramname"><em>opCode</em> </td>
|
||
|
</tr>
|
||
|
<tr>
|
||
|
<td></td>
|
||
|
<td>)</td>
|
||
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<td></td><td></td>
|
||
|
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|
||
|
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|
||
|
</td>
|
||
|
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|
||
|
<span class="mlabels"><span class="mlabel">static</span></span> </td>
|
||
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|
||
|
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|
||
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</div><div class="memdoc">
|
||
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|
||
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|
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|
||
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|
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|
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|
||
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|
||
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<td class="memname">static std::unique_ptr<<a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a>> geos::operation::overlayng::OverlayNGRobust::overlaySR </td>
|
||
|
<td>(</td>
|
||
|
<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> * </td>
|
||
|
<td class="paramname"><em>geom0</em>, </td>
|
||
|
</tr>
|
||
|
<tr>
|
||
|
<td class="paramkey"></td>
|
||
|
<td></td>
|
||
|
<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> * </td>
|
||
|
<td class="paramname"><em>geom1</em>, </td>
|
||
|
</tr>
|
||
|
<tr>
|
||
|
<td class="paramkey"></td>
|
||
|
<td></td>
|
||
|
<td class="paramtype">int </td>
|
||
|
<td class="paramname"><em>opCode</em> </td>
|
||
|
</tr>
|
||
|
<tr>
|
||
|
<td></td>
|
||
|
<td>)</td>
|
||
|
<td></td><td></td>
|
||
|
</tr>
|
||
|
</table>
|
||
|
</td>
|
||
|
<td class="mlabels-right">
|
||
|
<span class="mlabels"><span class="mlabel">static</span><span class="mlabel">private</span></span> </td>
|
||
|
</tr>
|
||
|
</table>
|
||
|
</div><div class="memdoc">
|
||
|
<p>Overlay using Snap-Rounding with an automatically-determined scale factor.</p>
|
||
|
<p>NOTE: currently this strategy is not used, since all known test cases work using one of the Snapping strategies. </p>
|
||
|
|
||
|
</div>
|
||
|
</div>
|
||
|
<a class="anchor" id="ae1c027a582b34396278c33fc89ebd9c3"></a>
|
||
|
<div class="memitem">
|
||
|
<div class="memproto">
|
||
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|
||
|
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|
||
|
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|
||
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|
||
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|
||
|
<td class="memname">static std::unique_ptr<<a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a>> geos::operation::overlayng::OverlayNGRobust::snapSelf </td>
|
||
|
<td>(</td>
|
||
|
<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> * </td>
|
||
|
<td class="paramname"><em>geom</em>, </td>
|
||
|
</tr>
|
||
|
<tr>
|
||
|
<td class="paramkey"></td>
|
||
|
<td></td>
|
||
|
<td class="paramtype">double </td>
|
||
|
<td class="paramname"><em>snapTol</em> </td>
|
||
|
</tr>
|
||
|
<tr>
|
||
|
<td></td>
|
||
|
<td>)</td>
|
||
|
<td></td><td></td>
|
||
|
</tr>
|
||
|
</table>
|
||
|
</td>
|
||
|
<td class="mlabels-right">
|
||
|
<span class="mlabels"><span class="mlabel">static</span><span class="mlabel">private</span></span> </td>
|
||
|
</tr>
|
||
|
</table>
|
||
|
</div><div class="memdoc">
|
||
|
<p>Self-snaps a geometry by running a union operation with it as the only input. This helps to remove narrow spike/gore artifacts to simplify the geometry, which improves robustness. Collapsed artifacts are removed from the result to allow using it in further overlay operations.</p>
|
||
|
<dl class="params"><dt>Parameters</dt><dd>
|
||
|
<table class="params">
|
||
|
<tr><td class="paramname">geom</td><td>geometry to self-snap </td></tr>
|
||
|
<tr><td class="paramname">snapTol</td><td>snap tolerance </td></tr>
|
||
|
</table>
|
||
|
</dd>
|
||
|
</dl>
|
||
|
<dl class="section return"><dt>Returns</dt><dd>the snapped geometry (homogeneous) </dd></dl>
|
||
|
|
||
|
</div>
|
||
|
</div>
|
||
|
<a class="anchor" id="a994e91609cdd0817c1d0526dd5c60ccc"></a>
|
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<td class="memname">static double geos::operation::overlayng::OverlayNGRobust::snapTolerance </td>
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<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a> * </td>
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<td class="memname">static double geos::operation::overlayng::OverlayNGRobust::snapTolerance </td>
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<p>Computes a heuristic snap tolerance distance for overlaying a pair of geometries using a <a class="el" href="classgeos_1_1noding_1_1snap_1_1SnappingNoder.html">noding::snap::SnappingNoder</a>. </p>
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<td class="memname">static std::unique_ptr<<a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a>> geos::operation::overlayng::OverlayNGRobust::SymDifference </td>
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<td class="memname">static std::unique_ptr<<a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a>> geos::operation::overlayng::OverlayNGRobust::Union </td>
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<td class="memname">static std::unique_ptr<<a class="el" href="classgeos_1_1geom_1_1Geometry.html">Geometry</a>> geos::operation::overlayng::OverlayNGRobust::Union </td>
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<h2 class="groupheader">Member Data Documentation</h2>
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<td class="memname">constexpr int geos::operation::overlayng::OverlayNGRobust::NUM_SNAP_TRIES = 5</td>
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<p>Definition at line <a class="el" href="OverlayNGRobust_8h_source.html#l00070">70</a> of file <a class="el" href="OverlayNGRobust_8h_source.html">OverlayNGRobust.h</a>.</p>
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<td class="memname">constexpr double geos::operation::overlayng::OverlayNGRobust::SNAP_TOL_FACTOR = 1e12</td>
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<p>A factor for a snapping tolerance distance which should allow noding to be computed robustly. </p>
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<p>Definition at line <a class="el" href="OverlayNGRobust_8h_source.html#l00075">75</a> of file <a class="el" href="OverlayNGRobust_8h_source.html">OverlayNGRobust.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="OverlayNGRobust_8h_source.html">OverlayNGRobust.h</a></li>
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