948 lines
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948 lines
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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_1Edge.html">Edge</a></li> </ul>
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<div class="title">geos::operation::overlayng::Edge Class Reference</div> </div>
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<p><code>#include <<a class="el" href="operation_2overlayng_2Edge_8h_source.html">Edge.h</a>></code></p>
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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:a99b21049dfb6995a768e962af1681f3a"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1Edge.html#a99b21049dfb6995a768e962af1681f3a">Edge</a> ()</td></tr>
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<tr class="separator:a99b21049dfb6995a768e962af1681f3a"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a39f469dc30d74d62df169030c4dfe9c6"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1Edge.html#a39f469dc30d74d62df169030c4dfe9c6">Edge</a> (<a class="el" href="classgeos_1_1geom_1_1CoordinateSequence.html">geom::CoordinateSequence</a> *p_pts, const <a class="el" href="classgeos_1_1operation_1_1overlayng_1_1EdgeSourceInfo.html">EdgeSourceInfo</a> *info)</td></tr>
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<tr class="memitem:ac21cdfa45ffd973649ac09b379a9e026"><td class="memItemLeft" align="right" valign="top">std::unique_ptr< <a class="el" href="classgeos_1_1geom_1_1CoordinateSequence.html">geom::CoordinateSequence</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1Edge.html#ac21cdfa45ffd973649ac09b379a9e026">getCoordinates</a> ()</td></tr>
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<tr class="memitem:abb57cabc068f7b985ef6e519f26d4a33"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="classgeos_1_1geom_1_1CoordinateSequence.html">geom::CoordinateSequence</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1Edge.html#abb57cabc068f7b985ef6e519f26d4a33">getCoordinatesRO</a> () const </td></tr>
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<tr class="memitem:a07e6c70cc01c742eda6845e516aa21a3"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classgeos_1_1geom_1_1CoordinateSequence.html">geom::CoordinateSequence</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1Edge.html#a07e6c70cc01c742eda6845e516aa21a3">releaseCoordinates</a> ()</td></tr>
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<tr class="memitem:af2da17644f82c03d24c94fda7f256de9"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1Edge.html#af2da17644f82c03d24c94fda7f256de9">getCoordinate</a> (size_t index) const </td></tr>
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<tr class="memitem:ab89c9bdf43b8cf70835f870a574ecea2"><td class="memItemLeft" align="right" valign="top">std::size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1Edge.html#ab89c9bdf43b8cf70835f870a574ecea2">size</a> () const </td></tr>
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<tr class="memitem:a4969c67a0f15da0085d9780d2f062993"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1Edge.html#a4969c67a0f15da0085d9780d2f062993">direction</a> () const </td></tr>
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<tr class="memitem:a82bb821b434a0d715fffe6004cf970ff"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1Edge.html#a82bb821b434a0d715fffe6004cf970ff">relativeDirection</a> (const <a class="el" href="classgeos_1_1operation_1_1overlayng_1_1Edge.html">Edge</a> *edge2) const </td></tr>
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<tr class="memitem:a674ef57890f19adc91557e34c0023287"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1Edge.html#a674ef57890f19adc91557e34c0023287">dimension</a> (int geomIndex) const </td></tr>
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<tr class="memitem:aaac55255b58dab6f49d474f8d01c4dce"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1Edge.html#aaac55255b58dab6f49d474f8d01c4dce">merge</a> (const <a class="el" href="classgeos_1_1operation_1_1overlayng_1_1Edge.html">Edge</a> *edge)</td></tr>
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<tr class="memitem:a656f5ab4e1dc6dbe8eab251bea17cbba"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1Edge.html#a656f5ab4e1dc6dbe8eab251bea17cbba">populateLabel</a> (<a class="el" href="classgeos_1_1operation_1_1overlayng_1_1OverlayLabel.html">OverlayLabel</a> &ovl) const </td></tr>
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<tr class="memitem:a852641bd4651d37aaac7f7a64616684a"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1Edge.html#a852641bd4651d37aaac7f7a64616684a">compareTo</a> (const <a class="el" href="classgeos_1_1operation_1_1overlayng_1_1Edge.html">Edge</a> &e) const </td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-static-methods"></a>
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Static Public Member Functions</h2></td></tr>
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<tr class="memitem:ab8518e9be2e57502f93cd68fc3332809"><td class="memItemLeft" align="right" valign="top">static bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1Edge.html#ab8518e9be2e57502f93cd68fc3332809">isCollapsed</a> (const <a class="el" href="classgeos_1_1geom_1_1CoordinateSequence.html">geom::CoordinateSequence</a> *<a class="el" href="classgeos_1_1operation_1_1overlayng_1_1Edge.html#a85c29477983897ad0ab4ca434cb8c7ec">pts</a>)</td></tr>
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Private Member Functions</h2></td></tr>
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<tr class="memitem:a7f95d44db0c38aaea248861bb353e6f9"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1Edge.html#a7f95d44db0c38aaea248861bb353e6f9">initLabel</a> (<a class="el" href="classgeos_1_1operation_1_1overlayng_1_1OverlayLabel.html">OverlayLabel</a> &lbl, int geomIndex, int dim, int depthDelta, bool <a class="el" href="classgeos_1_1operation_1_1overlayng_1_1Edge.html#adf522492e09c63b588b31846278b608e">isHole</a>) const </td></tr>
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<tr class="memitem:ab3a1cfef7f59415edb96a73abd1fa216"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1Edge.html#ab3a1cfef7f59415edb96a73abd1fa216">labelDim</a> (int dim, int depthDelta) const </td></tr>
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<tr class="memitem:adf522492e09c63b588b31846278b608e"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1Edge.html#adf522492e09c63b588b31846278b608e">isHole</a> (int index) const </td></tr>
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<tr class="memitem:a4be6fd5de252801b4e7a02ccb6237c15"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1Edge.html#a4be6fd5de252801b4e7a02ccb6237c15">isBoundary</a> (int geomIndex) const </td></tr>
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<tr class="memitem:a371fe55a75752a1835a4318a5b828a8b"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1Edge.html#a371fe55a75752a1835a4318a5b828a8b">isShell</a> (int geomIndex) const </td></tr>
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<tr class="memitem:a53fce90e0d2f6d7f5a8ab68ee0ec59cf"><td class="memItemLeft" align="right" valign="top"><a class="el" href="namespacegeos_1_1geom.html#ae55a225cd843a6b153a7b6ca5a4707c8">geom::Location</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1Edge.html#a53fce90e0d2f6d7f5a8ab68ee0ec59cf">locationRight</a> (int depthDelta) const </td></tr>
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<tr class="memitem:aef48ce752b5f951dff3744a23b96047c"><td class="memItemLeft" align="right" valign="top"><a class="el" href="namespacegeos_1_1geom.html#ae55a225cd843a6b153a7b6ca5a4707c8">geom::Location</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1Edge.html#aef48ce752b5f951dff3744a23b96047c">locationLeft</a> (int depthDelta) const </td></tr>
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<tr class="memitem:a59f28d4e57893a645a570a1ad7ace397"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1Edge.html#a59f28d4e57893a645a570a1ad7ace397">delSign</a> (int depthDel) const </td></tr>
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<tr class="memitem:aa5eb28ff8a7cfa3a07523dbc42d385fb"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1Edge.html#aa5eb28ff8a7cfa3a07523dbc42d385fb">copyInfo</a> (const <a class="el" href="classgeos_1_1operation_1_1overlayng_1_1EdgeSourceInfo.html">EdgeSourceInfo</a> *info)</td></tr>
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<tr class="memitem:aca829123a49a475dc1cd9b1092e62acd"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1Edge.html#aca829123a49a475dc1cd9b1092e62acd">isHoleMerged</a> (int geomIndex, const <a class="el" href="classgeos_1_1operation_1_1overlayng_1_1Edge.html">Edge</a> *edge1, const <a class="el" href="classgeos_1_1operation_1_1overlayng_1_1Edge.html">Edge</a> *edge2) const </td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pri-attribs"></a>
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Private Attributes</h2></td></tr>
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<tr class="memitem:a04ca0ea6f2a0d86c92780731d673a23e"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1Edge.html#a04ca0ea6f2a0d86c92780731d673a23e">aDim</a> = <a class="el" href="classgeos_1_1operation_1_1overlayng_1_1OverlayLabel.html#a168cb8a5da6973adb1b2e37d928bede8acbbe033a94c61fb231fb9d64ca567799">OverlayLabel::DIM_UNKNOWN</a></td></tr>
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<tr class="memitem:a1c770d1b434b036d101e04002f0f14fe"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1Edge.html#a1c770d1b434b036d101e04002f0f14fe">aDepthDelta</a> = 0</td></tr>
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<tr class="memitem:aa9f4c479ed9eb98988f065a392b6cff9"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1Edge.html#aa9f4c479ed9eb98988f065a392b6cff9">aIsHole</a> = false</td></tr>
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<tr class="memitem:aa5798791b219e37cf76d5a22b05ad981"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1Edge.html#aa5798791b219e37cf76d5a22b05ad981">bDim</a> = <a class="el" href="classgeos_1_1operation_1_1overlayng_1_1OverlayLabel.html#a168cb8a5da6973adb1b2e37d928bede8acbbe033a94c61fb231fb9d64ca567799">OverlayLabel::DIM_UNKNOWN</a></td></tr>
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<tr class="memitem:a72cbe5c914d100414237737195eb47d0"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1Edge.html#a72cbe5c914d100414237737195eb47d0">bDepthDelta</a> = 0</td></tr>
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<tr class="memitem:a701a6697737998b3bb748c1e82624f79"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1Edge.html#a701a6697737998b3bb748c1e82624f79">bIsHole</a> = false</td></tr>
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<tr class="memitem:a85c29477983897ad0ab4ca434cb8c7ec"><td class="memItemLeft" align="right" valign="top">std::unique_ptr< <a class="el" href="classgeos_1_1geom_1_1CoordinateSequence.html">geom::CoordinateSequence</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1Edge.html#a85c29477983897ad0ab4ca434cb8c7ec">pts</a></td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="friends"></a>
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Friends</h2></td></tr>
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<tr class="memitem:aa1b374eb64c6c754621b4fc918a9df57"><td class="memItemLeft" align="right" valign="top">std::ostream & </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1operation_1_1overlayng_1_1Edge.html#aa1b374eb64c6c754621b4fc918a9df57">operator<<</a> (std::ostream &os, const <a class="el" href="classgeos_1_1operation_1_1overlayng_1_1Edge.html">Edge</a> &e)</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>Represents the underlying linework for edges in a topology graph, and carries the topology information derived from the two parent geometries. The edge may be the result of the merging of two or more edges which have the same underlying linework (although possibly different orientations). In this case the topology information is derived from the merging of the information in the source edges. Merged edges can occur in the following situations</p>
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<ul>
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<li>Due to topology collapse caused by snapping or rounding of polygonal geometries.</li>
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<li>Due to coincident linework in a linear input</li>
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</ul>
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<p>The source edges may have the same parent geometry, or different ones, or a mix of the two.</p>
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<dl class="section author"><dt>Author</dt><dd>mdavis </dd></dl>
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<p>Definition at line <a class="el" href="operation_2overlayng_2Edge_8h_source.html#l00062">62</a> of file <a class="el" href="operation_2overlayng_2Edge_8h_source.html">operation/overlayng/Edge.h</a>.</p>
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</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
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<p>Definition at line <a class="el" href="operation_2overlayng_2Edge_8h_source.html#l00114">114</a> of file <a class="el" href="operation_2overlayng_2Edge_8h_source.html">operation/overlayng/Edge.h</a>.</p>
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<p>References <a class="el" href="namespacegeos_1_1geom.html#a2031e0143940407ca589d3216cf0eb06">geos::geom::operator<<()</a>.</p>
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<td class="paramtype"><a class="el" href="classgeos_1_1geom_1_1CoordinateSequence.html">geom::CoordinateSequence</a> * </td>
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<td class="paramname"><em>p_pts</em>, </td>
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<td class="paramtype">const <a class="el" href="classgeos_1_1operation_1_1overlayng_1_1EdgeSourceInfo.html">EdgeSourceInfo</a> * </td>
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<td class="paramname"><em>info</em> </td>
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<h2 class="groupheader">Member Function Documentation</h2>
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<p>Definition at line <a class="el" href="operation_2overlayng_2Edge_8h_source.html#l00159">159</a> of file <a class="el" href="operation_2overlayng_2Edge_8h_source.html">operation/overlayng/Edge.h</a>.</p>
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<p>References <a class="el" href="classgeos_1_1geom_1_1Coordinate.html#a48dd998aac25658a9f29065642d9de7f">geos::geom::Coordinate::compareTo()</a>, <a class="el" href="namespacegeos_1_1operation_1_1overlayng.html#a73fca483f24ec1656a8fe9584dc865ec">geos::operation::overlayng::EdgeComparator()</a>, and <a class="el" href="classgeos_1_1operation_1_1overlayng_1_1Edge.html#af2da17644f82c03d24c94fda7f256de9">getCoordinate()</a>.</p>
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<td class="memname">void geos::operation::overlayng::Edge::copyInfo </td>
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<td class="paramtype">const <a class="el" href="classgeos_1_1operation_1_1overlayng_1_1EdgeSourceInfo.html">EdgeSourceInfo</a> * </td>
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<td class="memname">int geos::operation::overlayng::Edge::delSign </td>
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<td class="memname">const <a class="el" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>& geos::operation::overlayng::Edge::getCoordinate </td>
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<p>Referenced by <a class="el" href="operation_2overlayng_2Edge_8h_source.html#l00159">compareTo()</a>.</p>
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<p>Populates the label for an edge resulting from an input geometry.</p><ul>
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<td class="paramtype">const <a class="el" href="classgeos_1_1operation_1_1overlayng_1_1Edge.html">Edge</a> * </td>
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<p>Tests whether the edge is part of a shell in the given geometry. This is only the case if the edge is a boundary. </p>
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<td class="memname"><a class="el" href="namespacegeos_1_1geom.html#ae55a225cd843a6b153a7b6ca5a4707c8">geom::Location</a> geos::operation::overlayng::Edge::locationLeft </td>
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<td class="memname"><a class="el" href="namespacegeos_1_1geom.html#ae55a225cd843a6b153a7b6ca5a4707c8">geom::Location</a> geos::operation::overlayng::Edge::locationRight </td>
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<td class="memname">void geos::operation::overlayng::Edge::merge </td>
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<td class="paramtype">const <a class="el" href="classgeos_1_1operation_1_1overlayng_1_1Edge.html">Edge</a> * </td>
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<p>Merges an edge into this edge, updating the topology info accordingly. </p>
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<td class="memname">void geos::operation::overlayng::Edge::populateLabel </td>
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<p>Compares two coincident edges to determine whether they have the same or opposite direction. </p>
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<td class="memname"><a class="el" href="classgeos_1_1geom_1_1CoordinateSequence.html">geom::CoordinateSequence</a>* geos::operation::overlayng::Edge::releaseCoordinates </td>
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<td class="memname">std::size_t geos::operation::overlayng::Edge::size </td>
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<td> const</td>
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<h2 class="groupheader">Friends And Related Function Documentation</h2>
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<h2 class="groupheader">Member Data Documentation</h2>
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<td class="memname">int geos::operation::overlayng::Edge::aDepthDelta = 0</td>
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<p>Definition at line <a class="el" href="operation_2overlayng_2Edge_8h_source.html#l00068">68</a> of file <a class="el" href="operation_2overlayng_2Edge_8h_source.html">operation/overlayng/Edge.h</a>.</p>
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<td class="memname">int geos::operation::overlayng::Edge::aDim = <a class="el" href="classgeos_1_1operation_1_1overlayng_1_1OverlayLabel.html#a168cb8a5da6973adb1b2e37d928bede8acbbe033a94c61fb231fb9d64ca567799">OverlayLabel::DIM_UNKNOWN</a></td>
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<p>Definition at line <a class="el" href="operation_2overlayng_2Edge_8h_source.html#l00067">67</a> of file <a class="el" href="operation_2overlayng_2Edge_8h_source.html">operation/overlayng/Edge.h</a>.</p>
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<td class="memname">bool geos::operation::overlayng::Edge::aIsHole = false</td>
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<p>Definition at line <a class="el" href="operation_2overlayng_2Edge_8h_source.html#l00069">69</a> of file <a class="el" href="operation_2overlayng_2Edge_8h_source.html">operation/overlayng/Edge.h</a>.</p>
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<p>Definition at line <a class="el" href="operation_2overlayng_2Edge_8h_source.html#l00071">71</a> of file <a class="el" href="operation_2overlayng_2Edge_8h_source.html">operation/overlayng/Edge.h</a>.</p>
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<td class="memname">int geos::operation::overlayng::Edge::bDim = <a class="el" href="classgeos_1_1operation_1_1overlayng_1_1OverlayLabel.html#a168cb8a5da6973adb1b2e37d928bede8acbbe033a94c61fb231fb9d64ca567799">OverlayLabel::DIM_UNKNOWN</a></td>
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<p>Definition at line <a class="el" href="operation_2overlayng_2Edge_8h_source.html#l00070">70</a> of file <a class="el" href="operation_2overlayng_2Edge_8h_source.html">operation/overlayng/Edge.h</a>.</p>
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<td class="memname">bool geos::operation::overlayng::Edge::bIsHole = false</td>
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<p>Definition at line <a class="el" href="operation_2overlayng_2Edge_8h_source.html#l00072">72</a> of file <a class="el" href="operation_2overlayng_2Edge_8h_source.html">operation/overlayng/Edge.h</a>.</p>
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<td class="memname">std::unique_ptr<<a class="el" href="classgeos_1_1geom_1_1CoordinateSequence.html">geom::CoordinateSequence</a>> geos::operation::overlayng::Edge::pts</td>
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<p>Definition at line <a class="el" href="operation_2overlayng_2Edge_8h_source.html#l00073">73</a> of file <a class="el" href="operation_2overlayng_2Edge_8h_source.html">operation/overlayng/Edge.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="operation_2overlayng_2Edge_8h_source.html">operation/overlayng/Edge.h</a></li>
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