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<a href="#pub-methods">Public Member Functions</a> &#124;
<a href="#pub-static-methods">Static Public Member Functions</a> &#124;
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<a href="#pub-static-attribs">Static Public Attributes</a> &#124;
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<div class="title">ON_Plane Class Reference</div> </div>
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<p><code>#include &lt;<a class="el" href="opennurbs__plane_8h_source.html">opennurbs_plane.h</a>&gt;</code></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a4343fcc0311f36d2d53a35eadd6f9057"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___plane.html#a4343fcc0311f36d2d53a35eadd6f9057">ON_Plane</a> ()</td></tr>
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<tr class="memitem:a8af2a6a0459c4b3d6131c0e472828cf8"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___plane.html#a8af2a6a0459c4b3d6131c0e472828cf8">ON_Plane</a> (const <a class="el" href="class_o_n__3d_point.html">ON_3dPoint</a> &amp;<a class="el" href="class_o_n___plane.html#a350027abe02825a21b5ac845434e55d7">origin</a>, const <a class="el" href="class_o_n__3d_vector.html">ON_3dVector</a> &amp;normal)</td></tr>
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<tr class="memitem:a5ba30d281e7f51b0beb063fb7f867cd0"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___plane.html#a5ba30d281e7f51b0beb063fb7f867cd0">~ON_Plane</a> ()</td></tr>
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<tr class="memitem:a8e9b93fd86a58eafa65cf7ae004bd28b"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___plane.html#a8e9b93fd86a58eafa65cf7ae004bd28b">ClosestPointTo</a> (<a class="el" href="class_o_n__3d_point.html">ON_3dPoint</a> world_point, double *u, double *v) const</td></tr>
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<tr class="memitem:a94ee25bbaa6a6a13047f1f95451592bc"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___plane.html#a94ee25bbaa6a6a13047f1f95451592bc">CreateFromEquation</a> (const double equation[4])</td></tr>
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<tr class="memitem:a8346828b2acc2e2591af1320da6a1aca"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___plane.html#a8346828b2acc2e2591af1320da6a1aca">CreateFromNormal</a> (const <a class="el" href="class_o_n__3d_point.html">ON_3dPoint</a> &amp;<a class="el" href="class_o_n___plane.html#a350027abe02825a21b5ac845434e55d7">origin</a>, const <a class="el" href="class_o_n__3d_vector.html">ON_3dVector</a> &amp;normal)</td></tr>
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<tr class="memitem:a57e2faaa88626f03a32c1186d4787094"><td class="memItemLeft" align="right" valign="top">double&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___plane.html#a57e2faaa88626f03a32c1186d4787094">DistanceTo</a> (const <a class="el" href="class_o_n__3d_point.html">ON_3dPoint</a> &amp;point) const</td></tr>
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<tr class="memitem:a30ada3aa80d0aec785be64121c6529a4"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___plane.html#a30ada3aa80d0aec785be64121c6529a4">Flip</a> ()</td></tr>
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<tr class="memitem:afa24deb795264c5a4f6c382a73f7e61c"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___plane.html#afa24deb795264c5a4f6c382a73f7e61c">GetDistanceToBoundingBox</a> (const <a class="el" href="class_o_n___bounding_box.html">ON_BoundingBox</a> &amp;, double *min, double *max) const</td></tr>
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<tr class="memitem:ab92c29e747f2b10e3f69e27649b89ab6"><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_o_n___line.html">ON_Line</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___plane.html#ab92c29e747f2b10e3f69e27649b89ab6">IsoLine</a> (int dir, double c) const</td></tr>
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<tr class="memitem:af2f28de1a13e46321bd8dfc1e834f53b"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___plane.html#af2f28de1a13e46321bd8dfc1e834f53b">IsValid</a> () const</td></tr>
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<tr class="memitem:a911ae8bafbdc0af08bb88a0950d89c03"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="class_o_n__3d_vector.html">ON_3dVector</a> &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___plane.html#a911ae8bafbdc0af08bb88a0950d89c03">Normal</a> () const</td></tr>
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<tr class="memitem:ad0cdb69f36d5647f9d5567d21b8261c4"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___plane.html#ad0cdb69f36d5647f9d5567d21b8261c4">operator!=</a> (const <a class="el" href="class_o_n___plane.html">ON_Plane</a> &amp;) const</td></tr>
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<tr class="memitem:af6047e4fdda0b5c136b740e9a1fe2147"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___plane.html#af6047e4fdda0b5c136b740e9a1fe2147">operator==</a> (const <a class="el" href="class_o_n___plane.html">ON_Plane</a> &amp;) const</td></tr>
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<tr class="memitem:ada3ff9aba71cc39f855938e01c85c74b"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="class_o_n__3d_point.html">ON_3dPoint</a> &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___plane.html#ada3ff9aba71cc39f855938e01c85c74b">Origin</a> () const</td></tr>
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<tr class="memitem:a4497e0c4a85acc6074f7233c488f965e"><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_o_n__3d_point.html">ON_3dPoint</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___plane.html#a4497e0c4a85acc6074f7233c488f965e">PointAt</a> (double u, double v) const</td></tr>
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<tr class="memitem:a08036b404606278ca7661acd4955f835"><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_o_n__3d_point.html">ON_3dPoint</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___plane.html#a08036b404606278ca7661acd4955f835">PointAt</a> (double u, double v, double w) const</td></tr>
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<tr class="memitem:a3c11da3afb100ea966fc016225f5cf59"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___plane.html#a3c11da3afb100ea966fc016225f5cf59">Rotate</a> (double sin_angle, double cos_angle, const <a class="el" href="class_o_n__3d_vector.html">ON_3dVector</a> &amp;axis)</td></tr>
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<tr class="memitem:aef08a6979a0c10fc06f0645f25b7619e"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___plane.html#aef08a6979a0c10fc06f0645f25b7619e">Transform</a> (const <a class="el" href="class_o_n___xform.html">ON_Xform</a> &amp;xform)</td></tr>
<tr class="memdesc:aef08a6979a0c10fc06f0645f25b7619e"><td class="mdescLeft">&#160;</td><td class="mdescRight">For intersections see ON_Intersect();. <a href="#aef08a6979a0c10fc06f0645f25b7619e">More...</a><br /></td></tr>
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<tr class="memitem:a3716f839dddf05c77266234e122c872c"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___plane.html#a3716f839dddf05c77266234e122c872c">Translate</a> (const <a class="el" href="class_o_n__3d_vector.html">ON_3dVector</a> &amp;delta)</td></tr>
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<tr class="memitem:aab3d5c27d7ac19baf6060f5c144a9391"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___plane.html#aab3d5c27d7ac19baf6060f5c144a9391">UpdateEquation</a> ()</td></tr>
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<tr class="memitem:a4d60942779936f39ed130195c36afd9d"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="class_o_n__3d_vector.html">ON_3dVector</a> &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___plane.html#a4d60942779936f39ed130195c36afd9d">Xaxis</a> () const</td></tr>
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<tr class="memitem:a0b4cd58a9ea3c55305a70fc3579a7cea"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="class_o_n__3d_vector.html">ON_3dVector</a> &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___plane.html#a0b4cd58a9ea3c55305a70fc3579a7cea">Yaxis</a> () const</td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-static-methods"></a>
Static Public Member Functions</h2></td></tr>
<tr class="memitem:a2738e7c643789dfd9eba9410836d93f9"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="class_o_n___plane.html">ON_Plane</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___plane.html#a2738e7c643789dfd9eba9410836d93f9">FromPointList</a> (size_t point_list_count, const <a class="el" href="class_o_n__3d_point.html">ON_3dPoint</a> *point_list)</td></tr>
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<tr class="memitem:af71927046d37c307fdcb453a7199cf43"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="class_o_n___plane.html">ON_Plane</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___plane.html#af71927046d37c307fdcb453a7199cf43">FromPointList</a> (const <a class="el" href="class_o_n___simple_array.html">ON_SimpleArray</a>&lt; <a class="el" href="class_o_n__3d_point.html">ON_3dPoint</a> &gt; &amp;point_list)</td></tr>
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<tr class="memitem:a5485abe73ecbe85fb4b63d9e27647630"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="class_o_n___plane.html">ON_Plane</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___plane.html#a5485abe73ecbe85fb4b63d9e27647630">FromPointList</a> (size_t point_list_count, const <a class="el" href="class_o_n__3f_point.html">ON_3fPoint</a> *point_list)</td></tr>
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<tr class="memitem:a197ef5c43174904eeaed37119ac442c1"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="class_o_n___plane.html">ON_Plane</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___plane.html#a197ef5c43174904eeaed37119ac442c1">FromPointList</a> (const <a class="el" href="class_o_n___simple_array.html">ON_SimpleArray</a>&lt; <a class="el" href="class_o_n__3f_point.html">ON_3fPoint</a> &gt; &amp;point_list)</td></tr>
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<tr class="memitem:a08d6faf11cc732064c595247d0ecf40c"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="class_o_n___plane.html">ON_Plane</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___plane.html#a08d6faf11cc732064c595247d0ecf40c">FromPointList</a> (const class <a class="el" href="class_o_n__3d_point_list_ref.html">ON_3dPointListRef</a> &amp;point_list)</td></tr>
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<tr class="memitem:a313c6e312e963aa0c1e0bb02ae8071da"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="class_o_n___plane.html">ON_Plane</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___plane.html#a313c6e312e963aa0c1e0bb02ae8071da">FromPointList</a> (size_t point_index_count, const unsigned int *point_index_list, const class <a class="el" href="class_o_n__3d_point_list_ref.html">ON_3dPointListRef</a> &amp;point_list)</td></tr>
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<tr class="memitem:a2d875ca8fdc863eb5a2e547f3c66bff0"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="class_o_n___plane.html">ON_Plane</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___plane.html#a2d875ca8fdc863eb5a2e547f3c66bff0">FromPointList</a> (size_t point_index_count, size_t point_index_stride, const unsigned int *point_index_list, const class <a class="el" href="class_o_n__3d_point_list_ref.html">ON_3dPointListRef</a> &amp;point_list)</td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-attribs"></a>
Public Attributes</h2></td></tr>
<tr class="memitem:a350027abe02825a21b5ac845434e55d7"><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_o_n__3d_point.html">ON_3dPoint</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___plane.html#a350027abe02825a21b5ac845434e55d7">origin</a></td></tr>
<tr class="memdesc:a350027abe02825a21b5ac845434e55d7"><td class="mdescLeft">&#160;</td><td class="mdescRight">origin of plane <a href="#a350027abe02825a21b5ac845434e55d7">More...</a><br /></td></tr>
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<tr class="memitem:ae40c8d792219f5fda4e368a9a7c40774"><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_o_n___plane_equation.html">ON_PlaneEquation</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___plane.html#ae40c8d792219f5fda4e368a9a7c40774">plane_equation</a></td></tr>
<tr class="memdesc:ae40c8d792219f5fda4e368a9a7c40774"><td class="mdescLeft">&#160;</td><td class="mdescRight">equation of plane <a href="#ae40c8d792219f5fda4e368a9a7c40774">More...</a><br /></td></tr>
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<tr class="memitem:a8a820ddaf9b048c579ba2b16992bfd94"><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_o_n__3d_vector.html">ON_3dVector</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___plane.html#a8a820ddaf9b048c579ba2b16992bfd94">xaxis</a></td></tr>
<tr class="memdesc:a8a820ddaf9b048c579ba2b16992bfd94"><td class="mdescLeft">&#160;</td><td class="mdescRight">unit X axis of plane <a href="#a8a820ddaf9b048c579ba2b16992bfd94">More...</a><br /></td></tr>
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<tr class="memitem:ada6603c8f0b85f552a74736926438e9f"><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_o_n__3d_vector.html">ON_3dVector</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___plane.html#ada6603c8f0b85f552a74736926438e9f">yaxis</a></td></tr>
<tr class="memdesc:ada6603c8f0b85f552a74736926438e9f"><td class="mdescLeft">&#160;</td><td class="mdescRight">unit Y axis of plane <a href="#ada6603c8f0b85f552a74736926438e9f">More...</a><br /></td></tr>
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<tr class="memitem:ac6fca85c16426515d92d0fd14f3f8c11"><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_o_n__3d_vector.html">ON_3dVector</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___plane.html#ac6fca85c16426515d92d0fd14f3f8c11">zaxis</a></td></tr>
<tr class="memdesc:ac6fca85c16426515d92d0fd14f3f8c11"><td class="mdescLeft">&#160;</td><td class="mdescRight">unit Z axis of plane <a href="#ac6fca85c16426515d92d0fd14f3f8c11">More...</a><br /></td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-static-attribs"></a>
Static Public Attributes</h2></td></tr>
<tr class="memitem:af251e4001b76ee0eb1bf0736859552cd"><td class="memItemLeft" align="right" valign="top">static const <a class="el" href="class_o_n___plane.html">ON_Plane</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___plane.html#af251e4001b76ee0eb1bf0736859552cd">UnsetPlane</a></td></tr>
<tr class="memdesc:af251e4001b76ee0eb1bf0736859552cd"><td class="mdescLeft">&#160;</td><td class="mdescRight">All values are ON_UNSET_VALUE. <a href="#af251e4001b76ee0eb1bf0736859552cd">More...</a><br /></td></tr>
<tr class="separator:af251e4001b76ee0eb1bf0736859552cd"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a8f01670d699285d735436acd2809404d"><td class="memItemLeft" align="right" valign="top">static const <a class="el" href="class_o_n___plane.html">ON_Plane</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___plane.html#a8f01670d699285d735436acd2809404d">World_xy</a></td></tr>
<tr class="memdesc:a8f01670d699285d735436acd2809404d"><td class="mdescLeft">&#160;</td><td class="mdescRight">world plane coordinate system <a class="el" href="class_o_n___plane.html">ON_Plane(ON_3dPoint::Origin, ON_3dVector::XAxis, ON_3dVector::YAxis)</a>; <a href="#a8f01670d699285d735436acd2809404d">More...</a><br /></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><dl class="section rcs"><dt>NoKeywords</dt><dd></dd></dl>
<p><br />
/ / Copyright (c) 1993-2012 Robert McNeel &amp; Associates. All rights reserved. / OpenNURBS, Rhinoceros, and Rhino3D are registered trademarks of Robert / McNeel &amp; Associates. / / THIS SOFTWARE IS PROVIDED "AS IS" WITHOUT EXPRESS OR IMPLIED WARRANTY. / ALL IMPLIED WARRANTIES OF FITNESS FOR ANY PARTICULAR PURPOSE AND OF / MERCHANTABILITY ARE HEREBY DISCLAIMED. / <br />
/ For complete openNURBS copyright information see <a href="http://www.opennurbs.org">http://www.opennurbs.org</a>. / ////////////////////////////////////////////////////////////// </p>
</div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
<a id="a4343fcc0311f36d2d53a35eadd6f9057"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a4343fcc0311f36d2d53a35eadd6f9057">&#9670;&nbsp;</a></span>ON_Plane() <span class="overload">[1/6]</span></h2>
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<td class="memname">ON_Plane::ON_Plane </td>
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<p>Description: The default constructor creates a plane with orgin=(0,0,0), xaxis=(1,0,0), yaxis=(0,1,0) zaxis=(0,0,1), and equation=(0,0,1,0). </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a8af2a6a0459c4b3d6131c0e472828cf8">&#9670;&nbsp;</a></span>ON_Plane() <span class="overload">[2/6]</span></h2>
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<td class="memname">ON_Plane::ON_Plane </td>
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<td class="paramtype">const <a class="el" href="class_o_n__3d_point.html">ON_3dPoint</a> &amp;&#160;</td>
<td class="paramname"><em>origin</em>, </td>
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<td class="paramtype">const <a class="el" href="class_o_n__3d_vector.html">ON_3dVector</a> &amp;&#160;</td>
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<p>Description: Construct a plane from a point and normal vector. Parameters: origin - [in] point on the plane normal - [in] non-zero normal to the plane Remarks: origin = point, zaxis = unitized normal, xaxis xaxis set with xaxis.PerpindicularTo(zaxis). See Also: <a class="el" href="class_o_n___plane.html#a8346828b2acc2e2591af1320da6a1aca">ON_Plane::CreateFromNormal</a> </p>
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<h2 class="memtitle"><span class="permalink"><a href="#ad0a7a3ced81550805f300ae1c018b241">&#9670;&nbsp;</a></span>ON_Plane() <span class="overload">[3/6]</span></h2>
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<td class="memname">ON_Plane::ON_Plane </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="class_o_n__3d_point.html">ON_3dPoint</a> &amp;&#160;</td>
<td class="paramname"><em>origin</em>, </td>
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<td class="paramtype">const <a class="el" href="class_o_n__3d_vector.html">ON_3dVector</a> &amp;&#160;</td>
<td class="paramname"><em>x_dir</em>, </td>
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<td class="paramtype">const <a class="el" href="class_o_n__3d_vector.html">ON_3dVector</a> &amp;&#160;</td>
<td class="paramname"><em>y_dir</em>&#160;</td>
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<p>Description: Construct a plane from a point, and two vectors in the plane. Parameters: origin - [in] point on the plane x_dir - [in] non-zero vector in the plane that determines the xaxis direction. y_dir - [in] non-zero vector not parallel to x_dir that is used to determine the yaxis direction. y_dir does not have to be perpendicular to x_dir. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a87ccea9a0c6b04edd07b5386f92cfd70">&#9670;&nbsp;</a></span>ON_Plane() <span class="overload">[4/6]</span></h2>
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<td class="memname">ON_Plane::ON_Plane </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="class_o_n__3d_point.html">ON_3dPoint</a> &amp;&#160;</td>
<td class="paramname"><em>origin</em>, </td>
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<td class="paramtype">const <a class="el" href="class_o_n__3d_point.html">ON_3dPoint</a> &amp;&#160;</td>
<td class="paramname"><em>x_point</em>, </td>
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<td class="paramtype">const <a class="el" href="class_o_n__3d_point.html">ON_3dPoint</a> &amp;&#160;</td>
<td class="paramname"><em>y_point</em>&#160;</td>
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<p>Description: Construct a plane from three non-collinear points. Parameters: origin - [in] point on the plane x_point - [in] second point in the plane. The xaxis will be parallel to x_point-origin. y_point - [in] third point on the plane that is not collinear with the first two points. yaxis*(y_point-origin) will be &gt; 0. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#ae25f1ad254f73a04adc9fc82f833b7ae">&#9670;&nbsp;</a></span>ON_Plane() <span class="overload">[5/6]</span></h2>
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<td class="memname">ON_Plane::ON_Plane </td>
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<td class="paramtype">const double&#160;</td>
<td class="paramname"><em>equation</em>[4]</td><td>)</td>
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<p>Description: Construct a plane from an equation. Parameters: equation - [in] an array of 4 doubles with one of equation[0], equation[1], or equation[2] being non-zero. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a70b360b8068bbfcbf0427a20db51ac65">&#9670;&nbsp;</a></span>ON_Plane() <span class="overload">[6/6]</span></h2>
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<td class="memname">ON_Plane::ON_Plane </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="class_o_n___plane_equation.html">ON_PlaneEquation</a> &amp;&#160;</td>
<td class="paramname"><em>plane_equation</em></td><td>)</td>
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<h2 class="memtitle"><span class="permalink"><a href="#a5ba30d281e7f51b0beb063fb7f867cd0">&#9670;&nbsp;</a></span>~ON_Plane()</h2>
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<td class="memname">ON_Plane::~ON_Plane </td>
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<h2 class="groupheader">Member Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a8e9b93fd86a58eafa65cf7ae004bd28b">&#9670;&nbsp;</a></span>ClosestPointTo() <span class="overload">[1/2]</span></h2>
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<td class="memname">bool ON_Plane::ClosestPointTo </td>
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<td class="paramtype"><a class="el" href="class_o_n__3d_point.html">ON_3dPoint</a>&#160;</td>
<td class="paramname"><em>world_point</em>, </td>
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<td class="paramtype">double *&#160;</td>
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<td class="paramtype">double *&#160;</td>
<td class="paramname"><em>v</em>&#160;</td>
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<p>Description: Get point on plane that is closest to a given point. Parameters: world_point - [in] 3d point u - [out] v - [out] The point ON_Plane::PointAt(*u,*v) is the point on the plane that is closest to world_point. Returns: true if successful. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a86f50649c7d9a71925208667aed11dab">&#9670;&nbsp;</a></span>ClosestPointTo() <span class="overload">[2/2]</span></h2>
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<td class="memname"><a class="el" href="class_o_n__3d_point.html">ON_3dPoint</a> ON_Plane::ClosestPointTo </td>
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<td class="paramtype"><a class="el" href="class_o_n__3d_point.html">ON_3dPoint</a>&#160;</td>
<td class="paramname"><em>point</em></td><td>)</td>
<td> const</td>
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<p>Description: Get point on plane that is closest to a given point. Parameters: point - [in] Returns: A 3d point on the plane that is closest to world_point. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a94ee25bbaa6a6a13047f1f95451592bc">&#9670;&nbsp;</a></span>CreateFromEquation() <span class="overload">[1/2]</span></h2>
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<td class="memname">bool ON_Plane::CreateFromEquation </td>
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<p>Description: Construct a plane from an equation. Parameters: equation - [in] an array of 4 doubles with one of equation[0], equation[1], or equation[2] being non-zero. Remarks: points on the plane will satisfy x*equation[0] +y*equation[1] + z*equation[2] + equation[3] = 0 Returns: true if valid plane is created. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#ae4ae0301f19d6aeb705474b3bbe4bad4">&#9670;&nbsp;</a></span>CreateFromEquation() <span class="overload">[2/2]</span></h2>
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<td class="memname">bool ON_Plane::CreateFromEquation </td>
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<td class="paramtype">const class <a class="el" href="class_o_n___plane_equation.html">ON_PlaneEquation</a> &amp;&#160;</td>
<td class="paramname"><em>plane_equation</em></td><td>)</td>
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<h2 class="memtitle"><span class="permalink"><a href="#aca31dddc49366e9c8509e39aa7d72fca">&#9670;&nbsp;</a></span>CreateFromFrame()</h2>
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<td class="memname">bool ON_Plane::CreateFromFrame </td>
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<td class="paramtype">const <a class="el" href="class_o_n__3d_point.html">ON_3dPoint</a> &amp;&#160;</td>
<td class="paramname"><em>origin</em>, </td>
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<td class="paramtype">const <a class="el" href="class_o_n__3d_vector.html">ON_3dVector</a> &amp;&#160;</td>
<td class="paramname"><em>x_dir</em>, </td>
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<td class="paramtype">const <a class="el" href="class_o_n__3d_vector.html">ON_3dVector</a> &amp;&#160;</td>
<td class="paramname"><em>y_dir</em>&#160;</td>
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<p>Description: Construct a plane from a point, and two vectors in the plane. Parameters: origin - [in] point on the plane x_dir - [in] non-zero vector in the plane that determines the xaxis direction. y_dir - [in] non-zero vector not parallel to x_dir that is used to determine the yaxis direction. y_dir does not have to be perpendicular to x_dir. Returns: true if valid plane is created. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a8346828b2acc2e2591af1320da6a1aca">&#9670;&nbsp;</a></span>CreateFromNormal()</h2>
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<td class="memname">bool ON_Plane::CreateFromNormal </td>
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<td class="paramtype">const <a class="el" href="class_o_n__3d_point.html">ON_3dPoint</a> &amp;&#160;</td>
<td class="paramname"><em>origin</em>, </td>
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<td class="paramtype">const <a class="el" href="class_o_n__3d_vector.html">ON_3dVector</a> &amp;&#160;</td>
<td class="paramname"><em>normal</em>&#160;</td>
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<p>Description: Create a plane from a point and normal vector. Parameters: origin - [in] point on the plane normal - [in] non-zero normal to the plane Remarks: origin = point, zaxis = unitized normal, xaxis xaxis set with xaxis.PerpindicularTo(zaxis). Returns: true if valid plane is created. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#ac3be3491021b45d298c1902dcc388edc">&#9670;&nbsp;</a></span>CreateFromPoints()</h2>
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<td class="memname">bool ON_Plane::CreateFromPoints </td>
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<td class="paramtype">const <a class="el" href="class_o_n__3d_point.html">ON_3dPoint</a> &amp;&#160;</td>
<td class="paramname"><em>origin</em>, </td>
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<td></td>
<td class="paramtype">const <a class="el" href="class_o_n__3d_point.html">ON_3dPoint</a> &amp;&#160;</td>
<td class="paramname"><em>point_on_x</em>, </td>
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<td class="paramtype">const <a class="el" href="class_o_n__3d_point.html">ON_3dPoint</a> &amp;&#160;</td>
<td class="paramname"><em>point_on</em>&#160;</td>
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<p>Description: Construct a plane from three non-collinear points. Parameters: origin - [in] point on the plane point_on_x - [in] second point in the plane. The xaxis will be parallel to x_point-origin. point_on - [in] third point on the plane that is not collinear with the first two points. yaxis*(y_point-origin) will be &gt; 0. Returns: true if valid plane is created. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a57e2faaa88626f03a32c1186d4787094">&#9670;&nbsp;</a></span>DistanceTo()</h2>
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<td class="memname">double ON_Plane::DistanceTo </td>
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<td class="paramtype">const <a class="el" href="class_o_n__3d_point.html">ON_3dPoint</a> &amp;&#160;</td>
<td class="paramname"><em>point</em></td><td>)</td>
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<p>Description: Get signed distance from the plane to a point. Parameters: point - [in] Returns: Signed distance from a point to a plane. Remarks: If the point is on the plane, the distance is 0. If the point is above the plane, the distance is &gt; 0. If the point is below the plane the distance is &lt; 0. The zaxis determines the plane's orientation. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a30ada3aa80d0aec785be64121c6529a4">&#9670;&nbsp;</a></span>Flip()</h2>
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<td class="memname">bool ON_Plane::Flip </td>
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<p>Description: Flip plane orientation by swapping x and y axes, reversing the zaxis, and updating the equation. Returns: true if successful </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a2738e7c643789dfd9eba9410836d93f9">&#9670;&nbsp;</a></span>FromPointList() <span class="overload">[1/7]</span></h2>
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<td class="memname">static <a class="el" href="class_o_n___plane.html">ON_Plane</a> ON_Plane::FromPointList </td>
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<td class="paramtype">size_t&#160;</td>
<td class="paramname"><em>point_list_count</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="class_o_n__3d_point.html">ON_3dPoint</a> *&#160;</td>
<td class="paramname"><em>point_list</em>&#160;</td>
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<p>Returns: <a class="el" href="class_o_n___plane.html#af251e4001b76ee0eb1bf0736859552cd" title="All values are ON_UNSET_VALUE. ">ON_Plane::UnsetPlane</a> if input is not valid. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#af71927046d37c307fdcb453a7199cf43">&#9670;&nbsp;</a></span>FromPointList() <span class="overload">[2/7]</span></h2>
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<td class="memname">static <a class="el" href="class_o_n___plane.html">ON_Plane</a> ON_Plane::FromPointList </td>
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<td class="paramtype">const <a class="el" href="class_o_n___simple_array.html">ON_SimpleArray</a>&lt; <a class="el" href="class_o_n__3d_point.html">ON_3dPoint</a> &gt; &amp;&#160;</td>
<td class="paramname"><em>point_list</em></td><td>)</td>
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<p>Returns: <a class="el" href="class_o_n___plane.html#af251e4001b76ee0eb1bf0736859552cd" title="All values are ON_UNSET_VALUE. ">ON_Plane::UnsetPlane</a> if input is not valid. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a5485abe73ecbe85fb4b63d9e27647630">&#9670;&nbsp;</a></span>FromPointList() <span class="overload">[3/7]</span></h2>
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<td class="memname">static <a class="el" href="class_o_n___plane.html">ON_Plane</a> ON_Plane::FromPointList </td>
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<td class="paramtype">size_t&#160;</td>
<td class="paramname"><em>point_list_count</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="class_o_n__3f_point.html">ON_3fPoint</a> *&#160;</td>
<td class="paramname"><em>point_list</em>&#160;</td>
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<p>Returns: <a class="el" href="class_o_n___plane.html#af251e4001b76ee0eb1bf0736859552cd" title="All values are ON_UNSET_VALUE. ">ON_Plane::UnsetPlane</a> if input is not valid. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a197ef5c43174904eeaed37119ac442c1">&#9670;&nbsp;</a></span>FromPointList() <span class="overload">[4/7]</span></h2>
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<td class="memname">static <a class="el" href="class_o_n___plane.html">ON_Plane</a> ON_Plane::FromPointList </td>
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<td class="paramtype">const <a class="el" href="class_o_n___simple_array.html">ON_SimpleArray</a>&lt; <a class="el" href="class_o_n__3f_point.html">ON_3fPoint</a> &gt; &amp;&#160;</td>
<td class="paramname"><em>point_list</em></td><td>)</td>
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<p>Returns: <a class="el" href="class_o_n___plane.html#af251e4001b76ee0eb1bf0736859552cd" title="All values are ON_UNSET_VALUE. ">ON_Plane::UnsetPlane</a> if input is not valid. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a08d6faf11cc732064c595247d0ecf40c">&#9670;&nbsp;</a></span>FromPointList() <span class="overload">[5/7]</span></h2>
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<td class="memname">static <a class="el" href="class_o_n___plane.html">ON_Plane</a> ON_Plane::FromPointList </td>
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<td class="paramtype">const class <a class="el" href="class_o_n__3d_point_list_ref.html">ON_3dPointListRef</a> &amp;&#160;</td>
<td class="paramname"><em>point_list</em></td><td>)</td>
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<p>Returns: <a class="el" href="class_o_n___plane.html#af251e4001b76ee0eb1bf0736859552cd" title="All values are ON_UNSET_VALUE. ">ON_Plane::UnsetPlane</a> if input is not valid. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a313c6e312e963aa0c1e0bb02ae8071da">&#9670;&nbsp;</a></span>FromPointList() <span class="overload">[6/7]</span></h2>
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<td class="memname">static <a class="el" href="class_o_n___plane.html">ON_Plane</a> ON_Plane::FromPointList </td>
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<td class="paramtype">size_t&#160;</td>
<td class="paramname"><em>point_index_count</em>, </td>
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<td class="paramtype">const unsigned int *&#160;</td>
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<td class="paramtype">const class <a class="el" href="class_o_n__3d_point_list_ref.html">ON_3dPointListRef</a> &amp;&#160;</td>
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<p>Returns: <a class="el" href="class_o_n___plane.html#af251e4001b76ee0eb1bf0736859552cd" title="All values are ON_UNSET_VALUE. ">ON_Plane::UnsetPlane</a> if input is not valid. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a2d875ca8fdc863eb5a2e547f3c66bff0">&#9670;&nbsp;</a></span>FromPointList() <span class="overload">[7/7]</span></h2>
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<td class="paramtype">const class <a class="el" href="class_o_n__3d_point_list_ref.html">ON_3dPointListRef</a> &amp;&#160;</td>
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<h2 class="memtitle"><span class="permalink"><a href="#afa24deb795264c5a4f6c382a73f7e61c">&#9670;&nbsp;</a></span>GetDistanceToBoundingBox()</h2>
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<td class="memname">bool ON_Plane::GetDistanceToBoundingBox </td>
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<td class="paramtype">double *&#160;</td>
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<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">min</td><td>output min signed dist from plane to box </td></tr>
<tr><td class="paramname">max</td><td>max signed dist from plane to box </td></tr>
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<h2 class="memtitle"><span class="permalink"><a href="#ab92c29e747f2b10e3f69e27649b89ab6">&#9670;&nbsp;</a></span>IsoLine()</h2>
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<td class="memname"><a class="el" href="class_o_n___line.html">ON_Line</a> ON_Plane::IsoLine </td>
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<p>Description: Get an isoparameteric line on the plane. Parameters: dir - [in] direction of iso-parametric line 0: first parameter varies and second parameter is constant e.g., line(t) = plane(t,c) 1: first parameter is constant and second parameter varies e.g., line(t) = plane(c,t) c - [in] value of constant parameter Returns: iso-parametric line </p>
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<h2 class="memtitle"><span class="permalink"><a href="#af2f28de1a13e46321bd8dfc1e834f53b">&#9670;&nbsp;</a></span>IsValid()</h2>
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<td class="memname">bool ON_Plane::IsValid </td>
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<p>Description: Test plane to see if it is valid. Returns: true if all fields contain reasonable information and equation jibes with point and zaxis. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a911ae8bafbdc0af08bb88a0950d89c03">&#9670;&nbsp;</a></span>Normal()</h2>
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<td class="memname">const <a class="el" href="class_o_n__3d_vector.html">ON_3dVector</a>&amp; ON_Plane::Normal </td>
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<p>Returns: Plane unit normal. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#ad0cdb69f36d5647f9d5567d21b8261c4">&#9670;&nbsp;</a></span>operator!=()</h2>
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<td class="memname">bool ON_Plane::operator!= </td>
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<td class="paramtype">const <a class="el" href="class_o_n___plane.html">ON_Plane</a> &amp;&#160;</td>
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<h2 class="memtitle"><span class="permalink"><a href="#af6047e4fdda0b5c136b740e9a1fe2147">&#9670;&nbsp;</a></span>operator==()</h2>
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<td class="memname">bool ON_Plane::operator== </td>
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<td class="paramtype">const <a class="el" href="class_o_n___plane.html">ON_Plane</a> &amp;&#160;</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
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<h2 class="memtitle"><span class="permalink"><a href="#ada3ff9aba71cc39f855938e01c85c74b">&#9670;&nbsp;</a></span>Origin()</h2>
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<td class="memname">const <a class="el" href="class_o_n__3d_point.html">ON_3dPoint</a>&amp; ON_Plane::Origin </td>
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<p>Returns: Plane origin. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a4497e0c4a85acc6074f7233c488f965e">&#9670;&nbsp;</a></span>PointAt() <span class="overload">[1/2]</span></h2>
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<td class="memname"><a class="el" href="class_o_n__3d_point.html">ON_3dPoint</a> ON_Plane::PointAt </td>
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<td class="paramname"><em>u</em>, </td>
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<p>Description: Evaluate a point on the plane Parameters: u - [in] v - [in] evaulation parameters Returns: plane.origin + u*plane.xaxis + v*plane.yaxis </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a08036b404606278ca7661acd4955f835">&#9670;&nbsp;</a></span>PointAt() <span class="overload">[2/2]</span></h2>
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<td class="memname"><a class="el" href="class_o_n__3d_point.html">ON_3dPoint</a> ON_Plane::PointAt </td>
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<p>Description: Evaluate a point on the plane Parameters: u - [in] v - [in] evaluation parameters w - [in] elevation parameter Returns: plane.origin + u*plane.xaxis + v*plane.yaxis + z*plane.zaxis </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a3c11da3afb100ea966fc016225f5cf59">&#9670;&nbsp;</a></span>Rotate() <span class="overload">[1/4]</span></h2>
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<td></td>
<td class="paramtype">const <a class="el" href="class_o_n__3d_vector.html">ON_3dVector</a> &amp;&#160;</td>
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<p>Description: Rotate a plane about its origin. Parameters: sin_angle - [in] sine of rotation angle cos_angle - [in] cosine of rotation angle axis - [in] axis of rotation Returns: true if successful </p>
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<td class="memname">bool ON_Plane::Rotate </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="class_o_n__3d_vector.html">ON_3dVector</a> &amp;&#160;</td>
<td class="paramname"><em>axis</em>&#160;</td>
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<p>Description: Rotate a plane about its origin. Parameters: angle - [in] rotation angle in radians axis - [in] axis of rotation Returns: true if successful </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a6c0059c9943a673b56dd19c78c8452a7">&#9670;&nbsp;</a></span>Rotate() <span class="overload">[3/4]</span></h2>
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<td class="memname">bool ON_Plane::Rotate </td>
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<td class="paramname"><em>sin_angle</em>, </td>
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<td></td>
<td class="paramtype">const <a class="el" href="class_o_n__3d_vector.html">ON_3dVector</a> &amp;&#160;</td>
<td class="paramname"><em>axis</em>, </td>
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<td class="paramtype">const <a class="el" href="class_o_n__3d_point.html">ON_3dPoint</a> &amp;&#160;</td>
<td class="paramname"><em>center</em>&#160;</td>
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<p>Description: Rotate a plane about a point. Parameters: sin_angle - [in] sine of rotation angle cos_angle - [in] cosine of rotation angle axis - [in] axis of rotation center - [in] center of rotation Returns: true if successful </p>
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<td class="memname">bool ON_Plane::Rotate </td>
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<td class="paramtype">double&#160;</td>
<td class="paramname"><em>angle</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="class_o_n__3d_vector.html">ON_3dVector</a> &amp;&#160;</td>
<td class="paramname"><em>axis</em>, </td>
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<td class="paramkey"></td>
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<p>Description: Rotate a plane about a point. Parameters: angle - [in] rotation angle in radians axis - [in] axis of rotation center - [in] center of rotation Returns: true if successful </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a86265c0dff618af29ad4ecaed9b07eea">&#9670;&nbsp;</a></span>SetOrigin()</h2>
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<td class="memname">void ON_Plane::SetOrigin </td>
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<td class="paramtype">const <a class="el" href="class_o_n__3d_point.html">ON_3dPoint</a> &amp;&#160;</td>
<td class="paramname"><em>origin</em></td><td>)</td>
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<p>Description: Set the origin and update the plane equation Parameters: origin - [in] the new origin </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a42283b411952fa43aadb857731afa03b">&#9670;&nbsp;</a></span>SwapCoordinates()</h2>
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<td class="memname">bool ON_Plane::SwapCoordinates </td>
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<td class="paramtype">int&#160;</td>
<td class="paramname"><em>j</em>&#160;</td>
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<td>)</td>
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<p>Description: Transform a plane by swapping coordinates. Parameters: i - [in] j - [in] indices of coordinates to swap. 0 = x coordinate, 1 = y coordinate, 2 = z coordinate. Returns: true if successful. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#aef08a6979a0c10fc06f0645f25b7619e">&#9670;&nbsp;</a></span>Transform()</h2>
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<td class="memname">bool ON_Plane::Transform </td>
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<td class="paramtype">const <a class="el" href="class_o_n___xform.html">ON_Xform</a> &amp;&#160;</td>
<td class="paramname"><em>xform</em></td><td>)</td>
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<p>For intersections see ON_Intersect();. </p>
<p>Description: Transform plane. Parameters: xform - [in] transformation to apply to plane Returns: true if successful </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a3716f839dddf05c77266234e122c872c">&#9670;&nbsp;</a></span>Translate()</h2>
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<td class="memname">bool ON_Plane::Translate </td>
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<td class="paramtype">const <a class="el" href="class_o_n__3d_vector.html">ON_3dVector</a> &amp;&#160;</td>
<td class="paramname"><em>delta</em></td><td>)</td>
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<p>Description: Translate a plane. Parameters: delta - [in] translation vector Returns: true if successful </p>
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<h2 class="memtitle"><span class="permalink"><a href="#aab3d5c27d7ac19baf6060f5c144a9391">&#9670;&nbsp;</a></span>UpdateEquation()</h2>
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<td class="memname">bool ON_Plane::UpdateEquation </td>
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<p>Description: Update the plane equation based on the current values of the origin and zaxis. Returns: true if successful. false if zaxis is zero. Remarks: If you modify a plane's origin or zaxis, call <a class="el" href="class_o_n___plane.html#aab3d5c27d7ac19baf6060f5c144a9391">UpdateEquation()</a> to set equation[]. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a4d60942779936f39ed130195c36afd9d">&#9670;&nbsp;</a></span>Xaxis()</h2>
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<td class="memname">const <a class="el" href="class_o_n__3d_vector.html">ON_3dVector</a>&amp; ON_Plane::Xaxis </td>
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<p>Returns: Plane unit x-axis. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a0b4cd58a9ea3c55305a70fc3579a7cea">&#9670;&nbsp;</a></span>Yaxis()</h2>
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<td class="memname">const <a class="el" href="class_o_n__3d_vector.html">ON_3dVector</a>&amp; ON_Plane::Yaxis </td>
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<p>Returns: Plane unit y-axis. </p>
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<h2 class="groupheader">Member Data Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a350027abe02825a21b5ac845434e55d7">&#9670;&nbsp;</a></span>origin</h2>
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<td class="memname"><a class="el" href="class_o_n__3d_point.html">ON_3dPoint</a> ON_Plane::origin</td>
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<p>origin of plane </p>
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<h2 class="memtitle"><span class="permalink"><a href="#ae40c8d792219f5fda4e368a9a7c40774">&#9670;&nbsp;</a></span>plane_equation</h2>
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<td class="memname"><a class="el" href="class_o_n___plane_equation.html">ON_PlaneEquation</a> ON_Plane::plane_equation</td>
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<p>equation of plane </p>
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<h2 class="memtitle"><span class="permalink"><a href="#af251e4001b76ee0eb1bf0736859552cd">&#9670;&nbsp;</a></span>UnsetPlane</h2>
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<td class="memname">const <a class="el" href="class_o_n___plane.html">ON_Plane</a> ON_Plane::UnsetPlane</td>
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<p>All values are ON_UNSET_VALUE. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a8f01670d699285d735436acd2809404d">&#9670;&nbsp;</a></span>World_xy</h2>
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<td class="memname">const <a class="el" href="class_o_n___plane.html">ON_Plane</a> ON_Plane::World_xy</td>
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<p>world plane coordinate system <a class="el" href="class_o_n___plane.html">ON_Plane(ON_3dPoint::Origin, ON_3dVector::XAxis, ON_3dVector::YAxis)</a>; </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a8a820ddaf9b048c579ba2b16992bfd94">&#9670;&nbsp;</a></span>xaxis</h2>
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<td class="memname"><a class="el" href="class_o_n__3d_vector.html">ON_3dVector</a> ON_Plane::xaxis</td>
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<p>unit X axis of plane </p>
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<td class="memname"><a class="el" href="class_o_n__3d_vector.html">ON_3dVector</a> ON_Plane::yaxis</td>
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<p>unit Y axis of plane </p>
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<h2 class="memtitle"><span class="permalink"><a href="#ac6fca85c16426515d92d0fd14f3f8c11">&#9670;&nbsp;</a></span>zaxis</h2>
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<td class="memname"><a class="el" href="class_o_n__3d_vector.html">ON_3dVector</a> ON_Plane::zaxis</td>
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<p>unit Z axis of plane </p>
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