<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.5"/> <title>Eigen: AngleAxis< Scalar > Class Template Reference</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="navtree.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="resize.js"></script> <script type="text/javascript" src="navtree.js"></script> <script type="text/javascript"> $(document).ready(initResizable); $(window).load(resizeHeight); </script> <link href="search/search.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="search/search.js"></script> <script type="text/javascript"> $(document).ready(function() { searchBox.OnSelectItem(0); }); </script> <link href="doxygen.css" rel="stylesheet" type="text/css" /> <link href="eigendoxy.css" rel="stylesheet" type="text/css"> <!-- --> <script type="text/javascript" src="eigen_navtree_hacks.js"></script> <!-- <script type="text/javascript"> --> <!-- </script> --> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! 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">AngleAxis</a> object, the axis vector <b>must</b> <b>be</b> <b>normalized</b>.</dd></dl> <p>The following two typedefs are provided for convenience: </p> <ul> <li><code>AngleAxisf</code> for <code>float</code> </li> <li><code>AngleAxisd</code> for <code>double</code> </li> </ul> <p>Combined with <a class="el" href="classEigen_1_1MatrixBase.html#ae908d6321d43a20ed57d9f6c1c6acbe9">MatrixBase::Unit</a>{X,Y,Z}, <a class="el" href="classEigen_1_1AngleAxis.html" title="Represents a 3D rotation as a rotation angle around an arbitrary 3D axis. ">AngleAxis</a> can be used to easily mimic Euler-angles. Here is an example: </p> <div class="fragment"><div class="line"><a class="code" href="group__matrixtypedefs.html#ga2b787393a7fc870d99aa634f60b2510c">Matrix3f</a> m;</div> <div class="line">m = <a class="code" href="group__Geometry__Module.html#ga811d6fdab2002723bc7a72f055ce8c1d">AngleAxisf</a>(0.25*M_PI, <a class="code" href="classEigen_1_1MatrixBase.html#a5e0e42c39330e4274d2d0479048ebc37">Vector3f::UnitX</a>())</div> <div class="line"> * <a class="code" href="group__Geometry__Module.html#ga811d6fdab2002723bc7a72f055ce8c1d">AngleAxisf</a>(0.5*M_PI, <a class="code" href="classEigen_1_1MatrixBase.html#abc925a22c4f4b48b5b10fa90924f14c1">Vector3f::UnitY</a>())</div> <div class="line"> * <a class="code" href="group__Geometry__Module.html#ga811d6fdab2002723bc7a72f055ce8c1d">AngleAxisf</a>(0.33*M_PI, <a class="code" href="classEigen_1_1MatrixBase.html#a135f14351a7213bf0b764272c14ca68c">Vector3f::UnitZ</a>());</div> <div class="line">cout << m << endl << <span class="stringliteral">"is unitary: "</span> << m.isUnitary() << endl;</div> </div><!-- fragment --><p> Output: </p> <pre class="fragment">1.19e-07 0 1 0.969 -0.249 0 0.249 0.969 1.19e-07 is unitary: 1 </pre><dl class="section note"><dt>Note</dt><dd>This class is not aimed to be used to store a rotation transformation, but rather to make easier the creation of other rotation (<a class="el" href="classEigen_1_1Quaternion.html" title="The quaternion class used to represent 3D orientations and rotations. ">Quaternion</a>, rotation <a class="el" href="classEigen_1_1Matrix.html" title="The matrix class, also used for vectors and row-vectors. ">Matrix</a>) and transformation objects.</dd></dl> <dl class="section see"><dt>See Also</dt><dd>class <a class="el" href="classEigen_1_1Quaternion.html" title="The quaternion class used to represent 3D orientations and rotations. ">Quaternion</a>, class <a class="el" href="classEigen_1_1Transform.html" title="Represents an homogeneous transformation in a N dimensional space. ">Transform</a>, <a class="el" href="classEigen_1_1MatrixBase.html#a5e0e42c39330e4274d2d0479048ebc37">MatrixBase::UnitX()</a> </dd></dl> </div><div id="dynsection-0" onclick="return toggleVisibility(this)" class="dynheader closed" style="cursor:pointer;"> <img id="dynsection-0-trigger" src="closed.png" alt="+"/> Inheritance diagram for AngleAxis< Scalar >:</div> <div id="dynsection-0-summary" class="dynsummary" style="display:block;"> </div> <div id="dynsection-0-content" class="dyncontent" style="display:none;"> <div class="center"><img src="classEigen_1_1AngleAxis__inherit__graph.png" border="0" usemap="#AngleAxis_3_01Scalar_01_4_inherit__map" alt="Inheritance graph"/></div> <map name="AngleAxis_3_01Scalar_01_4_inherit__map" id="AngleAxis_3_01Scalar_01_4_inherit__map"> <area shape="rect" id="node2" href="classEigen_1_1RotationBase.html" title="{RotationBase\< AngleAxis\l\< _Scalar \>, 3 \>\n||+ _transformVector()\l+ derived()\l+ derived()\l+ inverse()\l+ matrix()\l+ operator*()\l+ operator*()\l+ operator*()\l+ operator*()\l+ toRotationMatrix()\l}" alt="" coords="5,5,176,229"/></map> </div> <table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a> Public Types</h2></td></tr> <tr class="memitem:abb59a4f54aebad6325389d49d48de310"><td class="memItemLeft" align="right" valign="top">typedef <a class="el" href="classEigen_1_1Matrix.html">Matrix</a>< <a class="el" href="classEigen_1_1AngleAxis.html#aea29b63b6c32046ae9a471d82c5cf869">Scalar</a>, Dim, Dim > </td><td class="memItemRight" valign="bottom"><a class="el" href="classEigen_1_1RotationBase.html#abb59a4f54aebad6325389d49d48de310">RotationMatrixType</a></td></tr> <tr class="separator:abb59a4f54aebad6325389d49d48de310"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:aea29b63b6c32046ae9a471d82c5cf869"><td class="memItemLeft" align="right" valign="top">typedef _Scalar </td><td class="memItemRight" valign="bottom"><a class="el" href="classEigen_1_1AngleAxis.html#aea29b63b6c32046ae9a471d82c5cf869">Scalar</a></td></tr> <tr class="separator:aea29b63b6c32046ae9a471d82c5cf869"><td class="memSeparator" colspan="2"> </td></tr> </table><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:a38772216b8d784ddbe99d2d3df961f32"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classEigen_1_1AngleAxis.html#a38772216b8d784ddbe99d2d3df961f32">AngleAxis</a> ()</td></tr> <tr class="separator:a38772216b8d784ddbe99d2d3df961f32"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:aff009fcfc0377acd2db48fb754ae1f62"><td class="memTemplParams" colspan="2">template<typename Derived > </td></tr> <tr class="memitem:aff009fcfc0377acd2db48fb754ae1f62"><td class="memTemplItemLeft" align="right" valign="top"> </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classEigen_1_1AngleAxis.html#aff009fcfc0377acd2db48fb754ae1f62">AngleAxis</a> (const <a class="el" href="classEigen_1_1AngleAxis.html#aea29b63b6c32046ae9a471d82c5cf869">Scalar</a> &angle, const <a class="el" href="classEigen_1_1MatrixBase.html">MatrixBase</a>< Derived > &axis)</td></tr> <tr class="separator:aff009fcfc0377acd2db48fb754ae1f62"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:aae1f1d7628b3f3d29e26dc480f4d037d"><td class="memTemplParams" colspan="2">template<typename QuatDerived > </td></tr> <tr class="memitem:aae1f1d7628b3f3d29e26dc480f4d037d"><td class="memTemplItemLeft" align="right" valign="top"> </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classEigen_1_1AngleAxis.html#aae1f1d7628b3f3d29e26dc480f4d037d">AngleAxis</a> (const <a class="el" href="classEigen_1_1QuaternionBase.html">QuaternionBase</a>< QuatDerived > &q)</td></tr> <tr class="separator:aae1f1d7628b3f3d29e26dc480f4d037d"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a45ad10816a418d3d86130608fd6ca996"><td class="memTemplParams" colspan="2">template<typename Derived > </td></tr> <tr class="memitem:a45ad10816a418d3d86130608fd6ca996"><td class="memTemplItemLeft" align="right" valign="top"> </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classEigen_1_1AngleAxis.html#a45ad10816a418d3d86130608fd6ca996">AngleAxis</a> (const <a class="el" href="classEigen_1_1MatrixBase.html">MatrixBase</a>< Derived > &m)</td></tr> <tr class="separator:a45ad10816a418d3d86130608fd6ca996"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ad71c1c9e6a581420cba5205f837af1b5"><td class="memTemplParams" colspan="2">template<typename OtherScalarType > </td></tr> <tr class="memitem:ad71c1c9e6a581420cba5205f837af1b5"><td class="memTemplItemLeft" align="right" valign="top"> </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classEigen_1_1AngleAxis.html#ad71c1c9e6a581420cba5205f837af1b5">AngleAxis</a> (const <a class="el" href="classEigen_1_1AngleAxis.html">AngleAxis</a>< OtherScalarType > &other)</td></tr> <tr class="separator:ad71c1c9e6a581420cba5205f837af1b5"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a0469e863c2bf6b5c2d5655c8f4956d65"><td class="memTemplParams" colspan="2">template<typename NewScalarType > </td></tr> <tr class="memitem:a0469e863c2bf6b5c2d5655c8f4956d65"><td class="memTemplItemLeft" align="right" valign="top">internal::cast_return_type<br class="typebreak"/> < <a class="el" href="classEigen_1_1AngleAxis.html">AngleAxis</a>, <a class="el" href="classEigen_1_1AngleAxis.html">AngleAxis</a><br class="typebreak"/> < NewScalarType > >::type </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classEigen_1_1AngleAxis.html#a0469e863c2bf6b5c2d5655c8f4956d65">cast</a> () const </td></tr> <tr class="separator:a0469e863c2bf6b5c2d5655c8f4956d65"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a45563d717551a8d18438d2481349536a"><td class="memTemplParams" colspan="2"><a class="anchor" id="a45563d717551a8d18438d2481349536a"></a> template<typename Derived > </td></tr> <tr class="memitem:a45563d717551a8d18438d2481349536a"><td class="memTemplItemLeft" align="right" valign="top"><a class="el" href="classEigen_1_1AngleAxis.html">AngleAxis</a>< <a class="el" href="classEigen_1_1AngleAxis.html#aea29b63b6c32046ae9a471d82c5cf869">Scalar</a> > & </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classEigen_1_1AngleAxis.html#a45563d717551a8d18438d2481349536a">fromRotationMatrix</a> (const <a class="el" href="classEigen_1_1MatrixBase.html">MatrixBase</a>< Derived > &mat)</td></tr> <tr class="memdesc:a45563d717551a8d18438d2481349536a"><td class="mdescLeft"> </td><td class="mdescRight">Sets <code>*this</code> from a 3x3 rotation matrix. <br/></td></tr> <tr class="separator:a45563d717551a8d18438d2481349536a"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a68dbca4080079a7376bc8d6cfd8fe098"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classEigen_1_1AngleAxis.html">AngleAxis</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classEigen_1_1AngleAxis.html#a68dbca4080079a7376bc8d6cfd8fe098">inverse</a> () const </td></tr> <tr class="separator:a68dbca4080079a7376bc8d6cfd8fe098"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a729107ea8555246d34f872febb8b14ce"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classEigen_1_1AngleAxis.html#a729107ea8555246d34f872febb8b14ce">isApprox</a> (const <a class="el" href="classEigen_1_1AngleAxis.html">AngleAxis</a> &other, const typename <a class="el" href="structEigen_1_1NumTraits.html">NumTraits</a>< <a class="el" href="classEigen_1_1AngleAxis.html#aea29b63b6c32046ae9a471d82c5cf869">Scalar</a> >::Real &prec=<a class="el" href="structEigen_1_1NumTraits.html">NumTraits</a>< <a class="el" href="classEigen_1_1AngleAxis.html#aea29b63b6c32046ae9a471d82c5cf869">Scalar</a> >::dummy_precision()) const </td></tr> <tr class="separator:a729107ea8555246d34f872febb8b14ce"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a137458fc1a96a26c9fd58d7b2b61336d"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classEigen_1_1RotationBase.html#abb59a4f54aebad6325389d49d48de310">RotationMatrixType</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classEigen_1_1RotationBase.html#a137458fc1a96a26c9fd58d7b2b61336d">matrix</a> () const</td></tr> <tr class="separator:a137458fc1a96a26c9fd58d7b2b61336d"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a39e946f5ec63f80d28cf7988e6ba80b9"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classEigen_1_1Transform.html">Transform</a>< <a class="el" href="classEigen_1_1AngleAxis.html#aea29b63b6c32046ae9a471d82c5cf869">Scalar</a>, Dim, <a class="el" href="group__enums.html#gga302a826315506a7217d4b477ea78425fac6ccc3814bb6d2a8bf7f75d7131c6b17">Isometry</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classEigen_1_1RotationBase.html#a39e946f5ec63f80d28cf7988e6ba80b9">operator*</a> (const <a class="el" href="classEigen_1_1Translation.html">Translation</a>< <a class="el" href="classEigen_1_1AngleAxis.html#aea29b63b6c32046ae9a471d82c5cf869">Scalar</a>, Dim > &t) const</td></tr> <tr class="separator:a39e946f5ec63f80d28cf7988e6ba80b9"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a84d2f46dbcd54e3a3b8ebcc673ad3920"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classEigen_1_1RotationBase.html#abb59a4f54aebad6325389d49d48de310">RotationMatrixType</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classEigen_1_1RotationBase.html#a84d2f46dbcd54e3a3b8ebcc673ad3920">operator*</a> (const UniformScaling< <a class="el" href="classEigen_1_1AngleAxis.html#aea29b63b6c32046ae9a471d82c5cf869">Scalar</a> > &s) const</td></tr> <tr class="separator:a84d2f46dbcd54e3a3b8ebcc673ad3920"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:acd4f0475d084e54c0dde2ef3f78822c0"><td class="memItemLeft" align="right" valign="top">internal::rotation_base_generic_product_selector<br class="typebreak"/> < <a class="el" href="classEigen_1_1AngleAxis.html">AngleAxis</a>< _Scalar ><br class="typebreak"/> , OtherDerived, <br class="typebreak"/> OtherDerived::IsVectorAtCompileTime ><br class="typebreak"/> ::ReturnType </td><td class="memItemRight" valign="bottom"><a class="el" href="classEigen_1_1RotationBase.html#acd4f0475d084e54c0dde2ef3f78822c0">operator*</a> (const <a class="el" href="structEigen_1_1EigenBase.html">EigenBase</a>< OtherDerived > &e) const</td></tr> <tr class="separator:acd4f0475d084e54c0dde2ef3f78822c0"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a4905e372221a7ca6eaf7f11056bc1b7a"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classEigen_1_1Transform.html">Transform</a>< <a class="el" href="classEigen_1_1AngleAxis.html#aea29b63b6c32046ae9a471d82c5cf869">Scalar</a>, Dim, Mode > </td><td class="memItemRight" valign="bottom"><a class="el" href="classEigen_1_1RotationBase.html#a4905e372221a7ca6eaf7f11056bc1b7a">operator*</a> (const <a class="el" href="classEigen_1_1Transform.html">Transform</a>< <a class="el" href="classEigen_1_1AngleAxis.html#aea29b63b6c32046ae9a471d82c5cf869">Scalar</a>, Dim, Mode, Options > &t) const</td></tr> <tr class="separator:a4905e372221a7ca6eaf7f11056bc1b7a"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:afbaeb13e13184d381a9e443166fc66b8"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classEigen_1_1Quaternion.html">QuaternionType</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classEigen_1_1AngleAxis.html#afbaeb13e13184d381a9e443166fc66b8">operator*</a> (const <a class="el" href="classEigen_1_1AngleAxis.html">AngleAxis</a> &other) const </td></tr> <tr class="separator:afbaeb13e13184d381a9e443166fc66b8"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a83533759bf90b1514c756cd538101736"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classEigen_1_1Quaternion.html">QuaternionType</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classEigen_1_1AngleAxis.html#a83533759bf90b1514c756cd538101736">operator*</a> (const <a class="el" href="classEigen_1_1Quaternion.html">QuaternionType</a> &other) const </td></tr> <tr class="separator:a83533759bf90b1514c756cd538101736"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a9694b8b0ff05dc4673d64af0e566d9d9"><td class="memTemplParams" colspan="2">template<typename QuatDerived > </td></tr> <tr class="memitem:a9694b8b0ff05dc4673d64af0e566d9d9"><td class="memTemplItemLeft" align="right" valign="top"><a class="el" href="classEigen_1_1AngleAxis.html">AngleAxis</a>< <a class="el" href="classEigen_1_1AngleAxis.html#aea29b63b6c32046ae9a471d82c5cf869">Scalar</a> > & </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classEigen_1_1AngleAxis.html#a9694b8b0ff05dc4673d64af0e566d9d9">operator=</a> (const <a class="el" href="classEigen_1_1QuaternionBase.html">QuaternionBase</a>< QuatDerived > &q)</td></tr> <tr class="separator:a9694b8b0ff05dc4673d64af0e566d9d9"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:aa472ded3ba078c186ac5cbac1ad4ad14"><td class="memTemplParams" colspan="2">template<typename Derived > </td></tr> <tr class="memitem:aa472ded3ba078c186ac5cbac1ad4ad14"><td class="memTemplItemLeft" align="right" valign="top"><a class="el" href="classEigen_1_1AngleAxis.html">AngleAxis</a>< <a class="el" href="classEigen_1_1AngleAxis.html#aea29b63b6c32046ae9a471d82c5cf869">Scalar</a> > & </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classEigen_1_1AngleAxis.html#aa472ded3ba078c186ac5cbac1ad4ad14">operator=</a> (const <a class="el" href="classEigen_1_1MatrixBase.html">MatrixBase</a>< Derived > &mat)</td></tr> <tr class="separator:aa472ded3ba078c186ac5cbac1ad4ad14"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a34adf4403bbc909c67309fbc7b6dbc16"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classEigen_1_1Matrix.html">Matrix3</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classEigen_1_1AngleAxis.html#a34adf4403bbc909c67309fbc7b6dbc16">toRotationMatrix</a> (void) const </td></tr> <tr class="separator:a34adf4403bbc909c67309fbc7b6dbc16"><td class="memSeparator" colspan="2"> </td></tr> </table><table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="friends"></a> Friends</h2></td></tr> <tr class="memitem:acdec7200dd68b70b615bcda9659fed26"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classEigen_1_1Quaternion.html">QuaternionType</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classEigen_1_1AngleAxis.html#acdec7200dd68b70b615bcda9659fed26">operator*</a> (const <a class="el" href="classEigen_1_1Quaternion.html">QuaternionType</a> &a, const <a class="el" href="classEigen_1_1AngleAxis.html">AngleAxis</a> &b)</td></tr> <tr class="separator:acdec7200dd68b70b615bcda9659fed26"><td class="memSeparator" colspan="2"> </td></tr> </table> <h2 class="groupheader">Member Typedef Documentation</h2> <a class="anchor" id="abb59a4f54aebad6325389d49d48de310"></a> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname">typedef <a class="el" href="classEigen_1_1Matrix.html">Matrix</a><<a class="el" href="classEigen_1_1AngleAxis.html#aea29b63b6c32046ae9a471d82c5cf869">Scalar</a>,Dim,Dim> <a class="el" href="classEigen_1_1RotationBase.html#abb59a4f54aebad6325389d49d48de310">RotationMatrixType</a></td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">inherited</span></span> </td> </tr> </table> </div><div class="memdoc"> <p>corresponding linear transformation matrix type </p> </div> </div> <a class="anchor" id="aea29b63b6c32046ae9a471d82c5cf869"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">typedef _Scalar <a class="el" href="classEigen_1_1AngleAxis.html#aea29b63b6c32046ae9a471d82c5cf869">Scalar</a></td> </tr> </table> </div><div class="memdoc"> <p>the scalar type of the coefficients </p> </div> </div> <h2 class="groupheader">Constructor & Destructor Documentation</h2> <a class="anchor" id="a38772216b8d784ddbe99d2d3df961f32"></a> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname"><a class="el" href="classEigen_1_1AngleAxis.html">AngleAxis</a> </td> <td>(</td> <td class="paramname"></td><td>)</td> <td></td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">inline</span></span> </td> </tr> </table> </div><div class="memdoc"> <p>Default constructor without initialization. </p> <p>Referenced by <a class="el" href="classEigen_1_1AngleAxis.html#a68dbca4080079a7376bc8d6cfd8fe098">AngleAxis< Scalar >::inverse()</a>.</p> </div> </div> <a class="anchor" id="aff009fcfc0377acd2db48fb754ae1f62"></a> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname"><a class="el" href="classEigen_1_1AngleAxis.html">AngleAxis</a> </td> <td>(</td> <td class="paramtype">const <a class="el" href="classEigen_1_1AngleAxis.html#aea29b63b6c32046ae9a471d82c5cf869">Scalar</a> & </td> <td class="paramname"><em>angle</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const <a class="el" href="classEigen_1_1MatrixBase.html">MatrixBase</a>< Derived > & </td> <td class="paramname"><em>axis</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">inline</span></span> </td> </tr> </table> </div><div class="memdoc"> <p>Constructs and initialize the angle-axis rotation from an <em>angle</em> in radian and an <em>axis</em> which <b>must</b> <b>be</b> <b>normalized</b>.</p> <dl class="section warning"><dt>Warning</dt><dd>If the <em>axis</em> vector is not normalized, then the angle-axis object represents an invalid rotation. </dd></dl> </div> </div> <a class="anchor" id="aae1f1d7628b3f3d29e26dc480f4d037d"></a> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname"><a class="el" href="classEigen_1_1AngleAxis.html">AngleAxis</a> </td> <td>(</td> <td class="paramtype">const <a class="el" href="classEigen_1_1QuaternionBase.html">QuaternionBase</a>< QuatDerived > & </td> <td class="paramname"><em>q</em></td><td>)</td> <td></td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">explicit</span></span> </td> </tr> </table> </div><div class="memdoc"> <p>Constructs and initialize the angle-axis rotation from a quaternion <em>q</em>. </p> </div> </div> <a class="anchor" id="a45ad10816a418d3d86130608fd6ca996"></a> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname"><a class="el" href="classEigen_1_1AngleAxis.html">AngleAxis</a> </td> <td>(</td> <td class="paramtype">const <a class="el" href="classEigen_1_1MatrixBase.html">MatrixBase</a>< Derived > & </td> <td class="paramname"><em>m</em></td><td>)</td> <td></td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">explicit</span></span> </td> </tr> </table> </div><div class="memdoc"> <p>Constructs and initialize the angle-axis rotation from a 3x3 rotation matrix. </p> </div> </div> <a class="anchor" id="ad71c1c9e6a581420cba5205f837af1b5"></a> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname"><a class="el" href="classEigen_1_1AngleAxis.html">AngleAxis</a> </td> <td>(</td> <td class="paramtype">const <a class="el" href="classEigen_1_1AngleAxis.html">AngleAxis</a>< OtherScalarType > & </td> <td class="paramname"><em>other</em></td><td>)</td> <td></td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">explicit</span></span> </td> </tr> </table> </div><div class="memdoc"> <p>Copy constructor with scalar type conversion </p> </div> </div> <h2 class="groupheader">Member Function Documentation</h2> <a class="anchor" id="a0469e863c2bf6b5c2d5655c8f4956d65"></a> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname">internal::cast_return_type<<a class="el" href="classEigen_1_1AngleAxis.html">AngleAxis</a>,<a class="el" href="classEigen_1_1AngleAxis.html">AngleAxis</a><NewScalarType> >::type cast </td> <td>(</td> <td class="paramname"></td><td>)</td> <td> const</td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">inline</span></span> </td> </tr> </table> </div><div class="memdoc"> <dl class="section return"><dt>Returns</dt><dd><code>*this</code> with scalar type casted to <em>NewScalarType</em> </dd></dl> <p>Note that if <em>NewScalarType</em> is equal to the current scalar type of <code>*this</code> then this function smartly returns a const reference to <code>*this</code>. </p> </div> </div> <a class="anchor" id="a68dbca4080079a7376bc8d6cfd8fe098"></a> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname"><a class="el" href="classEigen_1_1AngleAxis.html">AngleAxis</a> inverse </td> <td>(</td> <td class="paramname"></td><td>)</td> <td> const</td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">inline</span></span> </td> </tr> </table> </div><div class="memdoc"> <dl class="section return"><dt>Returns</dt><dd>the inverse rotation, i.e., an angle-axis with opposite rotation angle </dd></dl> <p>References <a class="el" href="classEigen_1_1AngleAxis.html#a38772216b8d784ddbe99d2d3df961f32">AngleAxis< Scalar >::AngleAxis()</a>.</p> </div> </div> <a class="anchor" id="a729107ea8555246d34f872febb8b14ce"></a> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname">bool isApprox </td> <td>(</td> <td class="paramtype">const <a class="el" href="classEigen_1_1AngleAxis.html">AngleAxis</a>< <a class="el" href="classEigen_1_1AngleAxis.html#aea29b63b6c32046ae9a471d82c5cf869">Scalar</a> > & </td> <td class="paramname"><em>other</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const typename <a class="el" href="structEigen_1_1NumTraits.html">NumTraits</a>< <a class="el" href="classEigen_1_1AngleAxis.html#aea29b63b6c32046ae9a471d82c5cf869">Scalar</a> >::Real & </td> <td class="paramname"><em>prec</em> = <code><a class="el" href="structEigen_1_1NumTraits.html">NumTraits</a><<a class="el" href="classEigen_1_1AngleAxis.html#aea29b63b6c32046ae9a471d82c5cf869">Scalar</a>>::dummy_precision()</code> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td> const</td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">inline</span></span> </td> </tr> </table> </div><div class="memdoc"> <dl class="section return"><dt>Returns</dt><dd><code>true</code> if <code>*this</code> is approximately equal to <em>other</em>, within the precision determined by <em>prec</em>.</dd></dl> <dl class="section see"><dt>See Also</dt><dd><a class="el" href="classEigen_1_1DenseBase.html#a158c2184951e6e415c2e9b98db8e8966">MatrixBase::isApprox()</a> </dd></dl> </div> </div> <a class="anchor" id="a137458fc1a96a26c9fd58d7b2b61336d"></a> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname"><a class="el" href="classEigen_1_1RotationBase.html#abb59a4f54aebad6325389d49d48de310">RotationMatrixType</a> matrix </td> <td>(</td> <td class="paramname"></td><td>)</td> <td> const</td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">inherited</span></span> </td> </tr> </table> </div><div class="memdoc"> <dl class="section return"><dt>Returns</dt><dd>an equivalent rotation matrix This function is added to be conform with the Transform class' naming scheme. </dd></dl> </div> </div> <a class="anchor" id="a39e946f5ec63f80d28cf7988e6ba80b9"></a> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname"><a class="el" href="classEigen_1_1Transform.html">Transform</a><<a class="el" href="classEigen_1_1AngleAxis.html#aea29b63b6c32046ae9a471d82c5cf869">Scalar</a>,Dim,<a class="el" href="group__enums.html#gga302a826315506a7217d4b477ea78425fac6ccc3814bb6d2a8bf7f75d7131c6b17">Isometry</a>> operator* </td> <td>(</td> <td class="paramtype">const <a class="el" href="classEigen_1_1Translation.html">Translation</a>< <a class="el" href="classEigen_1_1RotationBase.html#a844358c46408e878e60c4026c52eb1e9">Scalar</a>, Dim > & </td> <td class="paramname"><em>t</em></td><td>)</td> <td> const</td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">inherited</span></span> </td> </tr> </table> </div><div class="memdoc"> <dl class="section return"><dt>Returns</dt><dd>the concatenation of the rotation <code>*this</code> with a translation <em>t</em> </dd></dl> </div> </div> <a class="anchor" id="a84d2f46dbcd54e3a3b8ebcc673ad3920"></a> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname"><a class="el" href="classEigen_1_1RotationBase.html#abb59a4f54aebad6325389d49d48de310">RotationMatrixType</a> operator* </td> <td>(</td> <td class="paramtype">const UniformScaling< <a class="el" href="classEigen_1_1RotationBase.html#a844358c46408e878e60c4026c52eb1e9">Scalar</a> > & </td> <td class="paramname"><em>s</em></td><td>)</td> <td> const</td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">inherited</span></span> </td> </tr> </table> </div><div class="memdoc"> <dl class="section return"><dt>Returns</dt><dd>the concatenation of the rotation <code>*this</code> with a uniform scaling <em>s</em> </dd></dl> </div> </div> <a class="anchor" id="acd4f0475d084e54c0dde2ef3f78822c0"></a> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname">internal::rotation_base_generic_product_selector<<a class="el" href="classEigen_1_1AngleAxis.html">AngleAxis</a>< _Scalar > ,OtherDerived,OtherDerived::IsVectorAtCompileTime>::ReturnType operator* </td> <td>(</td> <td class="paramtype">const <a class="el" href="structEigen_1_1EigenBase.html">EigenBase</a>< OtherDerived > & </td> <td class="paramname"><em>e</em></td><td>)</td> <td> const</td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">inherited</span></span> </td> </tr> </table> </div><div class="memdoc"> <dl class="section return"><dt>Returns</dt><dd>the concatenation of the rotation <code>*this</code> with a generic expression <em>e</em> <em>e</em> can be:<ul> <li>a DimxDim linear transformation matrix</li> <li>a DimxDim diagonal matrix (axis aligned scaling)</li> <li>a vector of size Dim </li> </ul> </dd></dl> </div> </div> <a class="anchor" id="a4905e372221a7ca6eaf7f11056bc1b7a"></a> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname"><a class="el" href="classEigen_1_1Transform.html">Transform</a><<a class="el" href="classEigen_1_1AngleAxis.html#aea29b63b6c32046ae9a471d82c5cf869">Scalar</a>,Dim,Mode> operator* </td> <td>(</td> <td class="paramtype">const <a class="el" href="classEigen_1_1Transform.html">Transform</a>< <a class="el" href="classEigen_1_1RotationBase.html#a844358c46408e878e60c4026c52eb1e9">Scalar</a>, Dim, Mode, Options > & </td> <td class="paramname"><em>t</em></td><td>)</td> <td> const</td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">inherited</span></span> </td> </tr> </table> </div><div class="memdoc"> <dl class="section return"><dt>Returns</dt><dd>the concatenation of the rotation <code>*this</code> with a transformation <em>t</em> </dd></dl> </div> </div> <a class="anchor" id="afbaeb13e13184d381a9e443166fc66b8"></a> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname"><a class="el" href="classEigen_1_1Quaternion.html">QuaternionType</a> operator* </td> <td>(</td> <td class="paramtype">const <a class="el" href="classEigen_1_1AngleAxis.html">AngleAxis</a>< <a class="el" href="classEigen_1_1AngleAxis.html#aea29b63b6c32046ae9a471d82c5cf869">Scalar</a> > & </td> <td class="paramname"><em>other</em></td><td>)</td> <td> const</td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">inline</span></span> </td> </tr> </table> </div><div class="memdoc"> <p>Concatenates two rotations </p> </div> </div> <a class="anchor" id="a83533759bf90b1514c756cd538101736"></a> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname"><a class="el" href="classEigen_1_1Quaternion.html">QuaternionType</a> operator* </td> <td>(</td> <td class="paramtype">const <a class="el" href="classEigen_1_1Quaternion.html">QuaternionType</a> & </td> <td class="paramname"><em>other</em></td><td>)</td> <td> const</td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">inline</span></span> </td> </tr> </table> </div><div class="memdoc"> <p>Concatenates two rotations </p> </div> </div> <a class="anchor" id="a9694b8b0ff05dc4673d64af0e566d9d9"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="classEigen_1_1AngleAxis.html">AngleAxis</a><<a class="el" href="classEigen_1_1AngleAxis.html#aea29b63b6c32046ae9a471d82c5cf869">Scalar</a>>& operator= </td> <td>(</td> <td class="paramtype">const <a class="el" href="classEigen_1_1QuaternionBase.html">QuaternionBase</a>< QuatDerived > & </td> <td class="paramname"><em>q</em></td><td>)</td> <td></td> </tr> </table> </div><div class="memdoc"> <p>Set <code>*this</code> from a <b>unit</b> quaternion. The axis is normalized.</p> <dl class="section warning"><dt>Warning</dt><dd>As any other method dealing with quaternion, if the input quaternion is not normalized then the result is undefined. </dd></dl> <p>References <a class="el" href="classEigen_1_1QuaternionBase.html#a154f40d7fec7be85112f7e7c12e4900b">QuaternionBase< Derived >::vec()</a>, and <a class="el" href="classEigen_1_1QuaternionBase.html#ae11dcbf26de9bc8c2afddf9a8b5c32a9">QuaternionBase< Derived >::w()</a>.</p> </div> </div> <a class="anchor" id="aa472ded3ba078c186ac5cbac1ad4ad14"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="classEigen_1_1AngleAxis.html">AngleAxis</a><<a class="el" href="classEigen_1_1AngleAxis.html#aea29b63b6c32046ae9a471d82c5cf869">Scalar</a>>& operator= </td> <td>(</td> <td class="paramtype">const <a class="el" href="classEigen_1_1MatrixBase.html">MatrixBase</a>< Derived > & </td> <td class="paramname"><em>mat</em></td><td>)</td> <td></td> </tr> </table> </div><div class="memdoc"> <p>Set <code>*this</code> from a 3x3 rotation matrix <em>mat</em>. </p> </div> </div> <a class="anchor" id="a34adf4403bbc909c67309fbc7b6dbc16"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="classEigen_1_1AngleAxis.html">AngleAxis</a>< <a class="el" href="classEigen_1_1AngleAxis.html#aea29b63b6c32046ae9a471d82c5cf869">Scalar</a> >::<a class="el" href="classEigen_1_1Matrix.html">Matrix3</a> toRotationMatrix </td> <td>(</td> <td class="paramtype">void </td> <td class="paramname"></td><td>)</td> <td> const</td> </tr> </table> </div><div class="memdoc"> <p>Constructs and </p> <dl class="section return"><dt>Returns</dt><dd>an equivalent 3x3 rotation matrix. </dd></dl> <p>References <a class="el" href="classEigen_1_1MatrixBase.html#a0a45dd0ed5a44ec3f8f43239f2e4ac25">MatrixBase< Derived >::diagonal()</a>.</p> </div> </div> <h2 class="groupheader">Friends And Related Function Documentation</h2> <a class="anchor" id="acdec7200dd68b70b615bcda9659fed26"></a> <div class="memitem"> <div class="memproto"> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname"><a class="el" href="classEigen_1_1Quaternion.html">QuaternionType</a> operator* </td> <td>(</td> <td class="paramtype">const <a class="el" href="classEigen_1_1Quaternion.html">QuaternionType</a> & </td> <td class="paramname"><em>a</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const <a class="el" href="classEigen_1_1AngleAxis.html">AngleAxis</a>< <a class="el" href="classEigen_1_1AngleAxis.html#aea29b63b6c32046ae9a471d82c5cf869">Scalar</a> > & </td> <td class="paramname"><em>b</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">friend</span></span> </td> </tr> </table> </div><div class="memdoc"> <p>Concatenates two rotations </p> </div> </div> <hr/>The documentation for this class was generated from the following files:<ul> <li><a class="el" href="ForwardDeclarations_8h_source.html">ForwardDeclarations.h</a></li> <li><a class="el" href="AngleAxis_8h_source.html">AngleAxis.h</a></li> </ul> </div><!-- contents --> </div><!-- doc-content --> <!-- start footer part --> <div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> <ul> <li class="navelem"><a class="el" href="namespaceEigen.html">Eigen</a></li><li class="navelem"><a class="el" href="classEigen_1_1AngleAxis.html">AngleAxis</a></li> <li class="footer">Generated on Mon Oct 28 2013 11:04:27 for Eigen by <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.5 </li> </ul> </div> <!-- Piwik --> <!-- <script type="text/javascript"> var pkBaseURL = (("https:" == document.location.protocol) ? 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