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<a href="#pub-methods">Public Member Functions</a> &#124;
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<div class="title">ON_MeshTriangle Class Reference</div> </div>
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<p><code>#include &lt;<a class="el" href="opennurbs__mesh_8h_source.html">opennurbs_mesh.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:adb708aa2f75b503454fb56475d0a8396"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___mesh_triangle.html#adb708aa2f75b503454fb56475d0a8396">Flip</a> ()</td></tr>
<tr class="separator:adb708aa2f75b503454fb56475d0a8396"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aee4f93ed292d2d0a4d36f734bd347205"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___mesh_triangle.html#aee4f93ed292d2d0a4d36f734bd347205">GetTriangleNormal</a> (const class <a class="el" href="class_o_n__3d_point.html">ON_3dPoint</a> *dV, class <a class="el" href="class_o_n__3d_vector.html">ON_3dVector</a> &amp;triangle_normal) const</td></tr>
<tr class="separator:aee4f93ed292d2d0a4d36f734bd347205"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a2568ec866445700f2b24313724aa6bbc"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___mesh_triangle.html#a2568ec866445700f2b24313724aa6bbc">GetTriangleNormal</a> (const class <a class="el" href="class_o_n__3f_point.html">ON_3fPoint</a> *fV, class <a class="el" href="class_o_n__3d_vector.html">ON_3dVector</a> &amp;triangle_normal) const</td></tr>
<tr class="separator:a2568ec866445700f2b24313724aa6bbc"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a3230cdcef0ac43b7185cd63490d05c60"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___mesh_triangle.html#a3230cdcef0ac43b7185cd63490d05c60">GetTriangleNormal</a> (const class <a class="el" href="class_o_n__3d_point_list_ref.html">ON_3dPointListRef</a> &amp;vertex_list, class <a class="el" href="class_o_n__3d_vector.html">ON_3dVector</a> &amp;triangle_normal) const</td></tr>
<tr class="separator:a3230cdcef0ac43b7185cd63490d05c60"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:afe68a4945c19c2a2d573eedd37b7e73a"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___mesh_triangle.html#afe68a4945c19c2a2d573eedd37b7e73a">IsValid</a> (size_t mesh_vertex_count) const</td></tr>
<tr class="separator:afe68a4945c19c2a2d573eedd37b7e73a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a99ebcda9f91fc3a670e57c563942b156"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___mesh_triangle.html#a99ebcda9f91fc3a670e57c563942b156">IsValid</a> (size_t mesh_vertex_count, const class <a class="el" href="class_o_n__3f_point.html">ON_3fPoint</a> *vertex_list) const</td></tr>
<tr class="separator:a99ebcda9f91fc3a670e57c563942b156"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a3f2f7eb96540ac5f724f4b7d72a1d835"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___mesh_triangle.html#a3f2f7eb96540ac5f724f4b7d72a1d835">IsValid</a> (size_t mesh_vertex_count, const class <a class="el" href="class_o_n__3d_point.html">ON_3dPoint</a> *vertex_list) const</td></tr>
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<tr class="memitem:a6910abfd7a94c4c6dc3a56ae0902bf36"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___mesh_triangle.html#a6910abfd7a94c4c6dc3a56ae0902bf36">IsValid</a> (const class <a class="el" href="class_o_n__3d_point_list_ref.html">ON_3dPointListRef</a> &amp;vertex_list) 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:a2098f09223be554a1baa3b49693a00a0"><td class="memItemLeft" align="right" valign="top">static bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___mesh_triangle.html#a2098f09223be554a1baa3b49693a00a0">GetTriangleNormal</a> (<a class="el" href="class_o_n__3d_point.html">ON_3dPoint</a> point0, <a class="el" href="class_o_n__3d_point.html">ON_3dPoint</a> point1, <a class="el" href="class_o_n__3d_point.html">ON_3dPoint</a> point2, class <a class="el" href="class_o_n__3d_vector.html">ON_3dVector</a> &amp;triangle_normal)</td></tr>
<tr class="separator:a2098f09223be554a1baa3b49693a00a0"><td class="memSeparator" colspan="2">&#160;</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:acaec15da4d1a163f9c56442a5d5073d2"><td class="memItemLeft" align="right" valign="top">unsigned int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___mesh_triangle.html#acaec15da4d1a163f9c56442a5d5073d2">m_vi</a> [3]</td></tr>
<tr class="memdesc:acaec15da4d1a163f9c56442a5d5073d2"><td class="mdescLeft">&#160;</td><td class="mdescRight">vertex index list <a href="#acaec15da4d1a163f9c56442a5d5073d2">More...</a><br /></td></tr>
<tr class="separator:acaec15da4d1a163f9c56442a5d5073d2"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-static-attribs"></a>
Static Public Attributes</h2></td></tr>
<tr class="memitem:abbf2cae7cea440ab3197df4927d2af3e"><td class="memItemLeft" align="right" valign="top">static const <a class="el" href="class_o_n___mesh_triangle.html">ON_MeshTriangle</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_n___mesh_triangle.html#abbf2cae7cea440ab3197df4927d2af3e">UnsetMeshTriangle</a></td></tr>
<tr class="memdesc:abbf2cae7cea440ab3197df4927d2af3e"><td class="mdescLeft">&#160;</td><td class="mdescRight">all vi[] values are ON_UNSET_UINT_INDEX. <a href="#abbf2cae7cea440ab3197df4927d2af3e">More...</a><br /></td></tr>
<tr class="separator:abbf2cae7cea440ab3197df4927d2af3e"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<h2 class="groupheader">Member Function Documentation</h2>
<a id="adb708aa2f75b503454fb56475d0a8396"></a>
<h2 class="memtitle"><span class="permalink"><a href="#adb708aa2f75b503454fb56475d0a8396">&#9670;&nbsp;</a></span>Flip()</h2>
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<td class="memname">void ON_MeshTriangle::Flip </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
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<p>Description: Swaps the values of m_vi[1] and m_vi[2]. m_vi[0] is not changed. </p>
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<a id="aee4f93ed292d2d0a4d36f734bd347205"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aee4f93ed292d2d0a4d36f734bd347205">&#9670;&nbsp;</a></span>GetTriangleNormal() <span class="overload">[1/4]</span></h2>
<div class="memitem">
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<td class="memname">bool ON_MeshTriangle::GetTriangleNormal </td>
<td>(</td>
<td class="paramtype">const class <a class="el" href="class_o_n__3d_point.html">ON_3dPoint</a> *&#160;</td>
<td class="paramname"><em>dV</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">class <a class="el" href="class_o_n__3d_vector.html">ON_3dVector</a> &amp;&#160;</td>
<td class="paramname"><em>triangle_normal</em>&#160;</td>
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<td></td>
<td>)</td>
<td></td><td> const</td>
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<p>Description: Compute the triangle normal Parameters: dV - [in] double precision vertex array for the mesh fV - [in] float precision vertex array for the mesh vertex_list - [in] vertex locations triangle_normal - [out] triangle normal Returns: true if triangle_normal is valid. </p>
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<a id="a2568ec866445700f2b24313724aa6bbc"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a2568ec866445700f2b24313724aa6bbc">&#9670;&nbsp;</a></span>GetTriangleNormal() <span class="overload">[2/4]</span></h2>
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<td class="memname">bool ON_MeshTriangle::GetTriangleNormal </td>
<td>(</td>
<td class="paramtype">const class <a class="el" href="class_o_n__3f_point.html">ON_3fPoint</a> *&#160;</td>
<td class="paramname"><em>fV</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">class <a class="el" href="class_o_n__3d_vector.html">ON_3dVector</a> &amp;&#160;</td>
<td class="paramname"><em>triangle_normal</em>&#160;</td>
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<td></td>
<td>)</td>
<td></td><td> const</td>
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<a id="a3230cdcef0ac43b7185cd63490d05c60"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a3230cdcef0ac43b7185cd63490d05c60">&#9670;&nbsp;</a></span>GetTriangleNormal() <span class="overload">[3/4]</span></h2>
<div class="memitem">
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<td class="memname">bool ON_MeshTriangle::GetTriangleNormal </td>
<td>(</td>
<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>vertex_list</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">class <a class="el" href="class_o_n__3d_vector.html">ON_3dVector</a> &amp;&#160;</td>
<td class="paramname"><em>triangle_normal</em>&#160;</td>
</tr>
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<td></td>
<td>)</td>
<td></td><td> const</td>
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<a id="a2098f09223be554a1baa3b49693a00a0"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a2098f09223be554a1baa3b49693a00a0">&#9670;&nbsp;</a></span>GetTriangleNormal() <span class="overload">[4/4]</span></h2>
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<td class="memname">static bool ON_MeshTriangle::GetTriangleNormal </td>
<td>(</td>
<td class="paramtype"><a class="el" href="class_o_n__3d_point.html">ON_3dPoint</a>&#160;</td>
<td class="paramname"><em>point0</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="class_o_n__3d_point.html">ON_3dPoint</a>&#160;</td>
<td class="paramname"><em>point1</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="class_o_n__3d_point.html">ON_3dPoint</a>&#160;</td>
<td class="paramname"><em>point2</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">class <a class="el" href="class_o_n__3d_vector.html">ON_3dVector</a> &amp;&#160;</td>
<td class="paramname"><em>triangle_normal</em>&#160;</td>
</tr>
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<td></td>
<td>)</td>
<td></td><td></td>
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<span class="mlabels"><span class="mlabel">static</span></span> </td>
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<a id="afe68a4945c19c2a2d573eedd37b7e73a"></a>
<h2 class="memtitle"><span class="permalink"><a href="#afe68a4945c19c2a2d573eedd37b7e73a">&#9670;&nbsp;</a></span>IsValid() <span class="overload">[1/4]</span></h2>
<div class="memitem">
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<td class="memname">bool ON_MeshTriangle::IsValid </td>
<td>(</td>
<td class="paramtype">size_t&#160;</td>
<td class="paramname"><em>mesh_vertex_count</em></td><td>)</td>
<td> const</td>
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</table>
</div><div class="memdoc">
<p>Description: Determine if a triangle is valid by checking that the vertices are distinct. Parameters: mesh_vertex_count - [in] number of vertices in the mesh vertex_list - [in] optional list of mesh vertex locations. Returns: true The triangle is valid. false The triangle is not valid. </p>
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<a id="a99ebcda9f91fc3a670e57c563942b156"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a99ebcda9f91fc3a670e57c563942b156">&#9670;&nbsp;</a></span>IsValid() <span class="overload">[2/4]</span></h2>
<div class="memitem">
<div class="memproto">
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<td class="memname">bool ON_MeshTriangle::IsValid </td>
<td>(</td>
<td class="paramtype">size_t&#160;</td>
<td class="paramname"><em>mesh_vertex_count</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const class <a class="el" href="class_o_n__3f_point.html">ON_3fPoint</a> *&#160;</td>
<td class="paramname"><em>vertex_list</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td> const</td>
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<a id="a3f2f7eb96540ac5f724f4b7d72a1d835"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a3f2f7eb96540ac5f724f4b7d72a1d835">&#9670;&nbsp;</a></span>IsValid() <span class="overload">[3/4]</span></h2>
<div class="memitem">
<div class="memproto">
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<td class="memname">bool ON_MeshTriangle::IsValid </td>
<td>(</td>
<td class="paramtype">size_t&#160;</td>
<td class="paramname"><em>mesh_vertex_count</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const class <a class="el" href="class_o_n__3d_point.html">ON_3dPoint</a> *&#160;</td>
<td class="paramname"><em>vertex_list</em>&#160;</td>
</tr>
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<td></td>
<td>)</td>
<td></td><td> const</td>
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<a id="a6910abfd7a94c4c6dc3a56ae0902bf36"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a6910abfd7a94c4c6dc3a56ae0902bf36">&#9670;&nbsp;</a></span>IsValid() <span class="overload">[4/4]</span></h2>
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<td class="memname">bool ON_MeshTriangle::IsValid </td>
<td>(</td>
<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>vertex_list</em></td><td>)</td>
<td> const</td>
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</div><div class="memdoc">
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<h2 class="groupheader">Member Data Documentation</h2>
<a id="acaec15da4d1a163f9c56442a5d5073d2"></a>
<h2 class="memtitle"><span class="permalink"><a href="#acaec15da4d1a163f9c56442a5d5073d2">&#9670;&nbsp;</a></span>m_vi</h2>
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<td class="memname">unsigned int ON_MeshTriangle::m_vi[3]</td>
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<p>vertex index list </p>
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<h2 class="memtitle"><span class="permalink"><a href="#abbf2cae7cea440ab3197df4927d2af3e">&#9670;&nbsp;</a></span>UnsetMeshTriangle</h2>
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<td class="memname">const <a class="el" href="class_o_n___mesh_triangle.html">ON_MeshTriangle</a> ON_MeshTriangle::UnsetMeshTriangle</td>
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<span class="mlabels"><span class="mlabel">static</span></span> </td>
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<p>all vi[] values are ON_UNSET_UINT_INDEX. </p>
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