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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_1overlay.html">overlay</a></li><li class="navelem"><a class="el" href="namespacegeos_1_1operation_1_1overlay_1_1snap.html">snap</a></li><li class="navelem"><a class="el" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1SnapIfNeededOverlayOp.html">SnapIfNeededOverlayOp</a></li> </ul>
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<p>Performs an overlay operation using snapping and enhanced precision to improve the robustness of the result.
<a href="classgeos_1_1operation_1_1overlay_1_1snap_1_1SnapIfNeededOverlayOp.html#details">More...</a></p>
<p><code>#include &lt;<a class="el" href="SnapIfNeededOverlayOp_8h_source.html">SnapIfNeededOverlayOp.h</a>&gt;</code></p>
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Collaboration diagram for geos::operation::overlay::snap::SnapIfNeededOverlayOp:</div>
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Public Types</h2></td></tr>
<tr class="memitem:a4e27f1973f31fc04dd6ab1ee7c95f575"><td class="memItemLeft" align="right" valign="top">typedef std::unique_ptr&lt; <a class="el" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a> &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1SnapIfNeededOverlayOp.html#a4e27f1973f31fc04dd6ab1ee7c95f575">GeomPtr</a></td></tr>
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Public Member Functions</h2></td></tr>
<tr class="memitem:aa86801807fe483954ae96615c486558c"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1SnapIfNeededOverlayOp.html#aa86801807fe483954ae96615c486558c">SnapIfNeededOverlayOp</a> (const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a> &amp;g1, const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a> &amp;g2)</td></tr>
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<tr class="memitem:aa8e1fb7749fb8ed893da3bd7506c98bb"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1SnapIfNeededOverlayOp.html#a4e27f1973f31fc04dd6ab1ee7c95f575">GeomPtr</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1SnapIfNeededOverlayOp.html#aa8e1fb7749fb8ed893da3bd7506c98bb">getResultGeometry</a> (<a class="el" href="classgeos_1_1operation_1_1overlay_1_1OverlayOp.html#a1f2552b975ce852f0b192dc00997b131">OverlayOp::OpCode</a> opCode)</td></tr>
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Static Public Member Functions</h2></td></tr>
<tr class="memitem:aeacf8a1612435422a3c2e24a3b45f1d7"><td class="memItemLeft" align="right" valign="top">static std::unique_ptr&lt; <a class="el" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a> &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1SnapIfNeededOverlayOp.html#aeacf8a1612435422a3c2e24a3b45f1d7">overlayOp</a> (const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a> &amp;g0, const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a> &amp;g1, <a class="el" href="classgeos_1_1operation_1_1overlay_1_1OverlayOp.html#a1f2552b975ce852f0b192dc00997b131">OverlayOp::OpCode</a> opCode)</td></tr>
<tr class="separator:aeacf8a1612435422a3c2e24a3b45f1d7"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a2ed51e9ad3023b9f92755bbc1179d4ed"><td class="memItemLeft" align="right" valign="top">static std::unique_ptr&lt; <a class="el" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a> &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1SnapIfNeededOverlayOp.html#a2ed51e9ad3023b9f92755bbc1179d4ed">intersection</a> (const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a> &amp;g0, const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a> &amp;g1)</td></tr>
<tr class="separator:a2ed51e9ad3023b9f92755bbc1179d4ed"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:afd9a64a109479362f2b8a145674da538"><td class="memItemLeft" align="right" valign="top">static std::unique_ptr&lt; <a class="el" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a> &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1SnapIfNeededOverlayOp.html#afd9a64a109479362f2b8a145674da538">Union</a> (const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a> &amp;g0, const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a> &amp;g1)</td></tr>
<tr class="separator:afd9a64a109479362f2b8a145674da538"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ac1dbbf3a19d8b43aff0415741e1ca37a"><td class="memItemLeft" align="right" valign="top">static std::unique_ptr&lt; <a class="el" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a> &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1SnapIfNeededOverlayOp.html#ac1dbbf3a19d8b43aff0415741e1ca37a">difference</a> (const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a> &amp;g0, const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a> &amp;g1)</td></tr>
<tr class="separator:ac1dbbf3a19d8b43aff0415741e1ca37a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:abff63dd84d82774bec4141008ab988ea"><td class="memItemLeft" align="right" valign="top">static std::unique_ptr&lt; <a class="el" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a> &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1SnapIfNeededOverlayOp.html#abff63dd84d82774bec4141008ab988ea">symDifference</a> (const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a> &amp;g0, const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a> &amp;g1)</td></tr>
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Private Member Functions</h2></td></tr>
<tr class="memitem:aa02a3ac7eddc54c3976dcb5c32f399a2"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1SnapIfNeededOverlayOp.html#aa02a3ac7eddc54c3976dcb5c32f399a2">SnapIfNeededOverlayOp</a> (const <a class="el" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1SnapIfNeededOverlayOp.html">SnapIfNeededOverlayOp</a> &amp;other)=delete</td></tr>
<tr class="separator:aa02a3ac7eddc54c3976dcb5c32f399a2"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:afcff744c880fa6e356efa9f10abd021d"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1SnapIfNeededOverlayOp.html">SnapIfNeededOverlayOp</a> &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1SnapIfNeededOverlayOp.html#afcff744c880fa6e356efa9f10abd021d">operator=</a> (const <a class="el" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1SnapIfNeededOverlayOp.html">SnapIfNeededOverlayOp</a> &amp;rhs)=delete</td></tr>
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Private Attributes</h2></td></tr>
<tr class="memitem:a584842ec0652577630b8a98ec1eaf55b"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a> &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1SnapIfNeededOverlayOp.html#a584842ec0652577630b8a98ec1eaf55b">geom0</a></td></tr>
<tr class="separator:a584842ec0652577630b8a98ec1eaf55b"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a00deafb529c3211b12ff600df27dbbbe"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a> &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1SnapIfNeededOverlayOp.html#a00deafb529c3211b12ff600df27dbbbe">geom1</a></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Performs an overlay operation using snapping and enhanced precision to improve the robustness of the result. </p>
<p>This class only uses snapping if an error is detected when running the standard JTS overlay code. Errors detected include thrown exceptions (in particular, <a class="el" href="classgeos_1_1util_1_1TopologyException.html">TopologyException</a>) and invalid overlay computations. </p>
<p>Definition at line <a class="el" href="SnapIfNeededOverlayOp_8h_source.html#l00047">47</a> of file <a class="el" href="SnapIfNeededOverlayOp_8h_source.html">SnapIfNeededOverlayOp.h</a>.</p>
</div><h2 class="groupheader">Member Typedef Documentation</h2>
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<td class="memname">typedef std::unique_ptr&lt;<a class="el" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>&gt; <a class="el" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1SnapIfNeededOverlayOp.html#a4e27f1973f31fc04dd6ab1ee7c95f575">geos::operation::overlay::snap::SnapIfNeededOverlayOp::GeomPtr</a></td>
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<p>Definition at line <a class="el" href="SnapIfNeededOverlayOp_8h_source.html#l00091">91</a> of file <a class="el" href="SnapIfNeededOverlayOp_8h_source.html">SnapIfNeededOverlayOp.h</a>.</p>
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<h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
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<td class="memname">geos::operation::overlay::snap::SnapIfNeededOverlayOp::SnapIfNeededOverlayOp </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a> &amp;&#160;</td>
<td class="paramname"><em>g1</em>, </td>
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<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a> &amp;&#160;</td>
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<p>Definition at line <a class="el" href="SnapIfNeededOverlayOp_8h_source.html#l00083">83</a> of file <a class="el" href="SnapIfNeededOverlayOp_8h_source.html">SnapIfNeededOverlayOp.h</a>.</p>
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<td class="memname">geos::operation::overlay::snap::SnapIfNeededOverlayOp::SnapIfNeededOverlayOp </td>
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<td class="paramtype">const <a class="el" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1SnapIfNeededOverlayOp.html">SnapIfNeededOverlayOp</a> &amp;&#160;</td>
<td class="paramname"><em>other</em></td><td>)</td>
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<h2 class="groupheader">Member Function Documentation</h2>
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<td class="memname">static std::unique_ptr&lt;<a class="el" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>&gt; geos::operation::overlay::snap::SnapIfNeededOverlayOp::difference </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a> &amp;&#160;</td>
<td class="paramname"><em>g0</em>, </td>
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<p>Definition at line <a class="el" href="SnapIfNeededOverlayOp_8h_source.html#l00072">72</a> of file <a class="el" href="SnapIfNeededOverlayOp_8h_source.html">SnapIfNeededOverlayOp.h</a>.</p>
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<td class="memname"><a class="el" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1SnapIfNeededOverlayOp.html#a4e27f1973f31fc04dd6ab1ee7c95f575">GeomPtr</a> geos::operation::overlay::snap::SnapIfNeededOverlayOp::getResultGeometry </td>
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<td class="paramtype"><a class="el" href="classgeos_1_1operation_1_1overlay_1_1OverlayOp.html#a1f2552b975ce852f0b192dc00997b131">OverlayOp::OpCode</a>&#160;</td>
<td class="paramname"><em>opCode</em></td><td>)</td>
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<p>Referenced by <a class="el" href="SnapIfNeededOverlayOp_8h_source.html#l00052">overlayOp()</a>.</p>
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<div class="center"><iframe scrolling="no" frameborder="0" src="classgeos_1_1operation_1_1overlay_1_1snap_1_1SnapIfNeededOverlayOp_aa8e1fb7749fb8ed893da3bd7506c98bb_icgraph.svg" width="520" height="71"><p><b>This browser is not able to show SVG: try Firefox, Chrome, Safari, or Opera instead.</b></p></iframe>
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<td class="memname">static std::unique_ptr&lt;<a class="el" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>&gt; geos::operation::overlay::snap::SnapIfNeededOverlayOp::intersection </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a> &amp;&#160;</td>
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<p>Definition at line <a class="el" href="SnapIfNeededOverlayOp_8h_source.html#l00060">60</a> of file <a class="el" href="SnapIfNeededOverlayOp_8h_source.html">SnapIfNeededOverlayOp.h</a>.</p>
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<td class="memname"><a class="el" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1SnapIfNeededOverlayOp.html">SnapIfNeededOverlayOp</a>&amp; geos::operation::overlay::snap::SnapIfNeededOverlayOp::operator= </td>
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<td class="paramtype">const <a class="el" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1SnapIfNeededOverlayOp.html">SnapIfNeededOverlayOp</a> &amp;&#160;</td>
<td class="paramname"><em>rhs</em></td><td>)</td>
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<td class="memname">static std::unique_ptr&lt;<a class="el" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>&gt; geos::operation::overlay::snap::SnapIfNeededOverlayOp::overlayOp </td>
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<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a> &amp;&#160;</td>
<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">geom::Geometry</a> &amp;&#160;</td>
<td class="paramname"><em>g1</em>, </td>
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<td class="paramtype"><a class="el" href="classgeos_1_1operation_1_1overlay_1_1OverlayOp.html#a1f2552b975ce852f0b192dc00997b131">OverlayOp::OpCode</a>&#160;</td>
<td class="paramname"><em>opCode</em>&#160;</td>
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<p>Definition at line <a class="el" href="SnapIfNeededOverlayOp_8h_source.html#l00052">52</a> of file <a class="el" href="SnapIfNeededOverlayOp_8h_source.html">SnapIfNeededOverlayOp.h</a>.</p>
<p>References <a class="el" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1SnapIfNeededOverlayOp.html#aa8e1fb7749fb8ed893da3bd7506c98bb">getResultGeometry()</a>.</p>
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Here is the call graph for this function:</div>
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<div class="center"><iframe scrolling="no" frameborder="0" src="classgeos_1_1operation_1_1overlay_1_1snap_1_1SnapIfNeededOverlayOp_aeacf8a1612435422a3c2e24a3b45f1d7_cgraph.svg" width="520" height="71"><p><b>This browser is not able to show SVG: try Firefox, Chrome, Safari, or Opera instead.</b></p></iframe>
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<td class="memname">static std::unique_ptr&lt;<a class="el" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>&gt; geos::operation::overlay::snap::SnapIfNeededOverlayOp::symDifference </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a> &amp;&#160;</td>
<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">geom::Geometry</a> &amp;&#160;</td>
<td class="paramname"><em>g1</em>&#160;</td>
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<p>Definition at line <a class="el" href="SnapIfNeededOverlayOp_8h_source.html#l00078">78</a> of file <a class="el" href="SnapIfNeededOverlayOp_8h_source.html">SnapIfNeededOverlayOp.h</a>.</p>
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<td class="memname">static std::unique_ptr&lt;<a class="el" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>&gt; geos::operation::overlay::snap::SnapIfNeededOverlayOp::Union </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a> &amp;&#160;</td>
<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">geom::Geometry</a> &amp;&#160;</td>
<td class="paramname"><em>g1</em>&#160;</td>
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<p>Definition at line <a class="el" href="SnapIfNeededOverlayOp_8h_source.html#l00066">66</a> of file <a class="el" href="SnapIfNeededOverlayOp_8h_source.html">SnapIfNeededOverlayOp.h</a>.</p>
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<h2 class="groupheader">Member Data Documentation</h2>
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<td class="memname">const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>&amp; geos::operation::overlay::snap::SnapIfNeededOverlayOp::geom0</td>
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<p>Definition at line <a class="el" href="SnapIfNeededOverlayOp_8h_source.html#l00097">97</a> of file <a class="el" href="SnapIfNeededOverlayOp_8h_source.html">SnapIfNeededOverlayOp.h</a>.</p>
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<td class="memname">const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>&amp; geos::operation::overlay::snap::SnapIfNeededOverlayOp::geom1</td>
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<p>Definition at line <a class="el" href="SnapIfNeededOverlayOp_8h_source.html#l00098">98</a> of file <a class="el" href="SnapIfNeededOverlayOp_8h_source.html">SnapIfNeededOverlayOp.h</a>.</p>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="SnapIfNeededOverlayOp_8h_source.html">SnapIfNeededOverlayOp.h</a></li>
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