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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_1noding.html">noding</a></li><li class="navelem"><a class="el" href="classgeos_1_1noding_1_1Octant.html">Octant</a></li> </ul>
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<a href="#pub-static-methods">Static Public Member Functions</a> |
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<a href="#pri-methods">Private Member Functions</a> |
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<a href="classgeos_1_1noding_1_1Octant-members.html">List of all members</a> </div>
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<div class="headertitle">
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<div class="title">geos::noding::Octant Class Reference</div> </div>
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<p>Methods for computing and working with octants of the Cartesian plane.
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<a href="classgeos_1_1noding_1_1Octant.html#details">More...</a></p>
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<p><code>#include <<a class="el" href="Octant_8h_source.html">Octant.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-static-methods"></a>
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Static Public Member Functions</h2></td></tr>
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<tr class="memitem:a350e883accdfa65dc98a557d95badf7e"><td class="memItemLeft" align="right" valign="top">static int </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1noding_1_1Octant.html#a350e883accdfa65dc98a557d95badf7e">octant</a> (double dx, double dy)</td></tr>
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<tr class="separator:a350e883accdfa65dc98a557d95badf7e"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a1aea0d1d6ad3989179cd22087ea88b42"><td class="memItemLeft" align="right" valign="top">static int </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1noding_1_1Octant.html#a1aea0d1d6ad3989179cd22087ea88b42">octant</a> (const <a class="el" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> &p0, const <a class="el" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> &p1)</td></tr>
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<tr class="separator:a1aea0d1d6ad3989179cd22087ea88b42"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a9ab2f05c322d09a51c7becfb0ed32542"><td class="memItemLeft" align="right" valign="top">static int </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1noding_1_1Octant.html#a9ab2f05c322d09a51c7becfb0ed32542">octant</a> (const <a class="el" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> *p0, const <a class="el" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> *p1)</td></tr>
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<tr class="separator:a9ab2f05c322d09a51c7becfb0ed32542"><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-methods"></a>
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Private Member Functions</h2></td></tr>
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<tr class="memitem:aad6a0d934bea09b688cb5d7dccb0daec"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1noding_1_1Octant.html#aad6a0d934bea09b688cb5d7dccb0daec">Octant</a> ()</td></tr>
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<tr class="separator:aad6a0d934bea09b688cb5d7dccb0daec"><td class="memSeparator" colspan="2"> </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>Methods for computing and working with octants of the Cartesian plane. </p>
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<p>Octants are numbered as follows:</p>
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<p>2|1 3 | 0 —+– 4 | 7 5|6</p>
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<p>If line segments lie along a coordinate axis, the octant is the lower of the two possible values.</p>
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<p>Last port: noding/Octant.java rev. 1.2 (JTS-1.7) </p>
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<p>Definition at line <a class="el" href="Octant_8h_source.html#l00049">49</a> of file <a class="el" href="Octant_8h_source.html">Octant.h</a>.</p>
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</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
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<td class="memname">geos::noding::Octant::Octant </td>
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<td>(</td>
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<td class="paramname"></td><td>)</td>
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<p>Definition at line <a class="el" href="Octant_8h_source.html#l00051">51</a> of file <a class="el" href="Octant_8h_source.html">Octant.h</a>.</p>
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<h2 class="groupheader">Member Function Documentation</h2>
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<td class="memname">static int geos::noding::Octant::octant </td>
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<td>(</td>
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<td class="paramtype">double </td>
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<td class="paramname"><em>dx</em>, </td>
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<td class="paramtype">double </td>
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<td class="paramname"><em>dy</em> </td>
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<p>Returns the octant of a directed line segment (specified as x and y displacements, which cannot both be 0). </p>
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<td class="memname">static int geos::noding::Octant::octant </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">geom::Coordinate</a> & </td>
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<p>Returns the octant of a directed line segment from p0 to p1. </p>
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<td class="memname">static int geos::noding::Octant::octant </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">geom::Coordinate</a> * </td>
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<td class="paramname"><em>p1</em> </td>
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<p>Definition at line <a class="el" href="Octant_8h_source.html#l00066">66</a> of file <a class="el" href="Octant_8h_source.html">Octant.h</a>.</p>
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<p>References <a class="el" href="util_8h_source.html#l00044">geos::ignore_unused_variable_warning()</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_1noding_1_1Octant_a9ab2f05c322d09a51c7becfb0ed32542_cgraph.svg" width="370" height="55"><p><b>This browser is not able to show SVG: try Firefox, Chrome, Safari, or Opera instead.</b></p></iframe>
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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="Octant_8h_source.html">Octant.h</a></li>
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