<!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"/> <title>Qwt User's Guide: QwtPoint3D Class Reference</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <link href="doxygen.css" rel="stylesheet" type="text/css"/> </head> <body> <!-- Generated by Doxygen 1.7.3 --> <div id="top"> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td style="padding-left: 0.5em;"> <div id="projectname">Qwt User's Guide <span id="projectnumber">6.0.1</span></div> </td> </tr> </tbody> </table> </div> <div id="navrow1" class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> <li class="current"><a href="annotated.html"><span>Classes</span></a></li> <li><a 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members.</a></p> <table class="memberdecls"> <tr><td colspan="2"><h2><a name="pub-methods"></a> Public Member Functions</h2></td></tr> <tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point3_d.html#a4542223c75e50afac7124cd44ca9c900">isNull</a> () const </td></tr> <tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point3_d.html#a38b3c81b7dfce567dfc2993db1aa6d74">operator!=</a> (const <a class="el" href="class_qwt_point3_d.html">QwtPoint3D</a> &) const </td></tr> <tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point3_d.html#aaafd119aea020d1e7e44360fd1172c22">operator==</a> (const <a class="el" href="class_qwt_point3_d.html">QwtPoint3D</a> &) const </td></tr> <tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point3_d.html#a6747ac88e709543e57fc285e84181f49">QwtPoint3D</a> (const QPointF &)</td></tr> <tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point3_d.html#acd7ec5a157397ce719225592b32cc510">QwtPoint3D</a> ()</td></tr> <tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point3_d.html#a33b9fa088b750e1f4ded65c23fb62868">QwtPoint3D</a> (double x, double y, double z)</td></tr> <tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point3_d.html#a3847545c69e11d4c33891c5d9218afee">QwtPoint3D</a> (const <a class="el" href="class_qwt_point3_d.html">QwtPoint3D</a> &)</td></tr> <tr><td class="memItemLeft" align="right" valign="top">double & </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point3_d.html#a99ae15c21e43fac2c4b8755111b03ad0">rx</a> ()</td></tr> <tr><td class="memItemLeft" align="right" valign="top">double & </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point3_d.html#ab0894c41fdb85dcc7affe38acf33f48d">ry</a> ()</td></tr> <tr><td class="memItemLeft" align="right" valign="top">double & </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point3_d.html#af76eb9c617ea48ab1050a79bac1d90eb">rz</a> ()</td></tr> <tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point3_d.html#afe85919187fd62bc3db082d1e2b17bac">setX</a> (double x)</td></tr> <tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point3_d.html#a986ba13d44e6960b4fb72795be4ff66a">setY</a> (double y)</td></tr> <tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point3_d.html#ae4bed4f5b955843dcf92302b16799e8b">setZ</a> (double y)</td></tr> <tr><td class="memItemLeft" align="right" valign="top">QPointF </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point3_d.html#a611b2608fdbe8099ae987870a10b38a6">toPoint</a> () const </td></tr> <tr><td class="memItemLeft" align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point3_d.html#a055a9d12fbdc279452ee6c056bd3ba8f">x</a> () const </td></tr> <tr><td class="memItemLeft" align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point3_d.html#ac2c90240ee705f3422202aeb6d5e0654">y</a> () const </td></tr> <tr><td class="memItemLeft" align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point3_d.html#afd56ba68ce1cfad4a4e477f45f0c85d4">z</a> () const </td></tr> </table> <hr/><a name="_details"></a><h2>Detailed Description</h2> <div class="textblock"><p><a class="el" href="class_qwt_point3_d.html" title="QwtPoint3D class defines a 3D point in double coordinates.">QwtPoint3D</a> class defines a 3D point in double coordinates. </p> </div><hr/><h2>Constructor & Destructor Documentation</h2> <a class="anchor" id="acd7ec5a157397ce719225592b32cc510"></a><!-- doxytag: member="QwtPoint3D::QwtPoint3D" ref="acd7ec5a157397ce719225592b32cc510" args="()" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">QwtPoint3D::QwtPoint3D </td> <td>(</td> <td class="paramname"></td><td>)</td> <td><code> [inline]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Constructs a null point. </p> <dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_point3_d.html#a4542223c75e50afac7124cd44ca9c900">isNull()</a> </dd></dl> </div> </div> <a class="anchor" id="a33b9fa088b750e1f4ded65c23fb62868"></a><!-- doxytag: member="QwtPoint3D::QwtPoint3D" ref="a33b9fa088b750e1f4ded65c23fb62868" args="(double x, double y, double z)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">QwtPoint3D::QwtPoint3D </td> <td>(</td> <td class="paramtype">double </td> <td class="paramname"><em>x</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">double </td> <td class="paramname"><em>y</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">double </td> <td class="paramname"><em>z</em> = <code>0.0</code> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td><code> [inline]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Constructs a point with coordinates specified by x, y and z. </p> </div> </div> <a class="anchor" id="a3847545c69e11d4c33891c5d9218afee"></a><!-- doxytag: member="QwtPoint3D::QwtPoint3D" ref="a3847545c69e11d4c33891c5d9218afee" args="(const QwtPoint3D &)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">QwtPoint3D::QwtPoint3D </td> <td>(</td> <td class="paramtype">const <a class="el" href="class_qwt_point3_d.html">QwtPoint3D</a> & </td> <td class="paramname"><em>other</em></td><td>)</td> <td><code> [inline]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Copy constructor. Constructs a point using the values of the point specified. </p> </div> </div> <a class="anchor" id="a6747ac88e709543e57fc285e84181f49"></a><!-- doxytag: member="QwtPoint3D::QwtPoint3D" ref="a6747ac88e709543e57fc285e84181f49" args="(const QPointF &)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">QwtPoint3D::QwtPoint3D </td> <td>(</td> <td class="paramtype">const QPointF & </td> <td class="paramname"><em>other</em></td><td>)</td> <td><code> [inline]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Constructs a point with x and y coordinates from a 2D point, and a z coordinate of 0. </p> </div> </div> <hr/><h2>Member Function Documentation</h2> <a class="anchor" id="a4542223c75e50afac7124cd44ca9c900"></a><!-- doxytag: member="QwtPoint3D::isNull" ref="a4542223c75e50afac7124cd44ca9c900" args="() const " --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">bool QwtPoint3D::isNull </td> <td>(</td> <td class="paramname"></td><td>)</td> <td> const<code> [inline]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Returns true if the point is null; otherwise returns false.</p> <p>A point is considered to be null if x, y and z-coordinates are equal to zero. </p> </div> </div> <a class="anchor" id="a38b3c81b7dfce567dfc2993db1aa6d74"></a><!-- doxytag: member="QwtPoint3D::operator!=" ref="a38b3c81b7dfce567dfc2993db1aa6d74" args="(const QwtPoint3D &) const " --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">bool QwtPoint3D::operator!= </td> <td>(</td> <td class="paramtype">const <a class="el" href="class_qwt_point3_d.html">QwtPoint3D</a> & </td> <td class="paramname"><em>other</em></td><td>)</td> <td> const<code> [inline]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Returns true if this rect and other are different; otherwise returns false. </p> </div> </div> <a class="anchor" id="aaafd119aea020d1e7e44360fd1172c22"></a><!-- doxytag: member="QwtPoint3D::operator==" ref="aaafd119aea020d1e7e44360fd1172c22" args="(const QwtPoint3D &) const " --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">bool QwtPoint3D::operator== </td> <td>(</td> <td class="paramtype">const <a class="el" href="class_qwt_point3_d.html">QwtPoint3D</a> & </td> <td class="paramname"><em>other</em></td><td>)</td> <td> const<code> [inline]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Returns true if this point and other are equal; otherwise returns false. </p> </div> </div> <a class="anchor" id="a99ae15c21e43fac2c4b8755111b03ad0"></a><!-- doxytag: member="QwtPoint3D::rx" ref="a99ae15c21e43fac2c4b8755111b03ad0" args="()" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">double & QwtPoint3D::rx </td> <td>(</td> <td class="paramname"></td><td>)</td> <td><code> [inline]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Returns a reference to the x-coordinate of the point. </p> </div> </div> <a class="anchor" id="ab0894c41fdb85dcc7affe38acf33f48d"></a><!-- doxytag: member="QwtPoint3D::ry" ref="ab0894c41fdb85dcc7affe38acf33f48d" args="()" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">double & QwtPoint3D::ry </td> <td>(</td> <td class="paramname"></td><td>)</td> <td><code> [inline]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Returns a reference to the y-coordinate of the point. </p> </div> </div> <a class="anchor" id="af76eb9c617ea48ab1050a79bac1d90eb"></a><!-- doxytag: member="QwtPoint3D::rz" ref="af76eb9c617ea48ab1050a79bac1d90eb" args="()" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">double & QwtPoint3D::rz </td> <td>(</td> <td class="paramname"></td><td>)</td> <td><code> [inline]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Returns a reference to the z-coordinate of the point. </p> </div> </div> <a class="anchor" id="afe85919187fd62bc3db082d1e2b17bac"></a><!-- doxytag: member="QwtPoint3D::setX" ref="afe85919187fd62bc3db082d1e2b17bac" args="(double x)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void QwtPoint3D::setX </td> <td>(</td> <td class="paramtype">double </td> <td class="paramname"><em>x</em></td><td>)</td> <td><code> [inline]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Sets the x-coordinate of the point to the value specified by x. </p> </div> </div> <a class="anchor" id="a986ba13d44e6960b4fb72795be4ff66a"></a><!-- doxytag: member="QwtPoint3D::setY" ref="a986ba13d44e6960b4fb72795be4ff66a" args="(double y)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void QwtPoint3D::setY </td> <td>(</td> <td class="paramtype">double </td> <td class="paramname"><em>y</em></td><td>)</td> <td><code> [inline]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Sets the y-coordinate of the point to the value specified by y. </p> </div> </div> <a class="anchor" id="ae4bed4f5b955843dcf92302b16799e8b"></a><!-- doxytag: member="QwtPoint3D::setZ" ref="ae4bed4f5b955843dcf92302b16799e8b" args="(double y)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void QwtPoint3D::setZ </td> <td>(</td> <td class="paramtype">double </td> <td class="paramname"><em>y</em></td><td>)</td> <td><code> [inline]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Sets the z-coordinate of the point to the value specified by z. </p> </div> </div> <a class="anchor" id="a611b2608fdbe8099ae987870a10b38a6"></a><!-- doxytag: member="QwtPoint3D::toPoint" ref="a611b2608fdbe8099ae987870a10b38a6" args="() const " --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">QPointF QwtPoint3D::toPoint </td> <td>(</td> <td class="paramname"></td><td>)</td> <td> const<code> [inline]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Rounds 2D point, where the z coordinate is dropped. </p> </div> </div> <a class="anchor" id="a055a9d12fbdc279452ee6c056bd3ba8f"></a><!-- doxytag: member="QwtPoint3D::x" ref="a055a9d12fbdc279452ee6c056bd3ba8f" args="() const " --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">double QwtPoint3D::x </td> <td>(</td> <td class="paramname"></td><td>)</td> <td> const<code> [inline]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Returns the x-coordinate of the point. </p> </div> </div> <a class="anchor" id="ac2c90240ee705f3422202aeb6d5e0654"></a><!-- doxytag: member="QwtPoint3D::y" ref="ac2c90240ee705f3422202aeb6d5e0654" args="() const " --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">double QwtPoint3D::y </td> <td>(</td> <td class="paramname"></td><td>)</td> <td> const<code> [inline]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Returns the y-coordinate of the point. </p> </div> </div> <a class="anchor" id="afd56ba68ce1cfad4a4e477f45f0c85d4"></a><!-- doxytag: member="QwtPoint3D::z" ref="afd56ba68ce1cfad4a4e477f45f0c85d4" args="() const " --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">double QwtPoint3D::z </td> <td>(</td> <td class="paramname"></td><td>)</td> <td> const<code> [inline]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Returns the z-coordinate of the point. </p> </div> </div> </div> <hr class="footer"/><address class="footer"><small>Generated by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.3 </small></address> </body> </html>