class_qwt_point_polar.html
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<p>A point in polar coordinates.
<a href="class_qwt_point_polar.html#details">More...</a></p>
<p><code>#include <<a class="el" href="qwt__point__polar_8h_source.html">qwt_point_polar.h</a>></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:a365875acf86a9f052e12784b5f2f7d44"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point_polar.html#a365875acf86a9f052e12784b5f2f7d44">QwtPointPolar</a> ()</td></tr>
<tr class="separator:a365875acf86a9f052e12784b5f2f7d44"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af1c77f9730d441937e52ff5beee04975"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point_polar.html#af1c77f9730d441937e52ff5beee04975">QwtPointPolar</a> (double <a class="el" href="class_qwt_point_polar.html#afac65de2dca25b0b6a6c5fb917fff424">azimuth</a>, double <a class="el" href="class_qwt_point_polar.html#ab629fcfb36f0f29df45b256c6bddf194">radius</a>)</td></tr>
<tr class="separator:af1c77f9730d441937e52ff5beee04975"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ae5cd7e8ab0505672748f779c9668fe29"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point_polar.html#ae5cd7e8ab0505672748f779c9668fe29">QwtPointPolar</a> (const <a class="el" href="class_qwt_point_polar.html">QwtPointPolar</a> &)</td></tr>
<tr class="separator:ae5cd7e8ab0505672748f779c9668fe29"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a269241ca9f94f641063fe896cdd77165"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point_polar.html#a269241ca9f94f641063fe896cdd77165">QwtPointPolar</a> (const QPointF &)</td></tr>
<tr class="separator:a269241ca9f94f641063fe896cdd77165"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a8cd4f93356a8a8c07400c3ad9ff1b560"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point_polar.html#a8cd4f93356a8a8c07400c3ad9ff1b560">setPoint</a> (const QPointF &)</td></tr>
<tr class="separator:a8cd4f93356a8a8c07400c3ad9ff1b560"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ab61dd4130840876c00d79c28ea534d06"><td class="memItemLeft" align="right" valign="top">QPointF </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point_polar.html#ab61dd4130840876c00d79c28ea534d06">toPoint</a> () const </td></tr>
<tr class="separator:ab61dd4130840876c00d79c28ea534d06"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ad1f8c93359d28322b6e3eeb9758a66f2"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ad1f8c93359d28322b6e3eeb9758a66f2"></a>
bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point_polar.html#ad1f8c93359d28322b6e3eeb9758a66f2">isValid</a> () const </td></tr>
<tr class="memdesc:ad1f8c93359d28322b6e3eeb9758a66f2"><td class="mdescLeft"> </td><td class="mdescRight">Returns true if <a class="el" href="class_qwt_point_polar.html#ab629fcfb36f0f29df45b256c6bddf194" title="Returns the radius.">radius()</a> >= 0.0. <br/></td></tr>
<tr class="separator:ad1f8c93359d28322b6e3eeb9758a66f2"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a73d21f582ee5960011300598e17fab00"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a73d21f582ee5960011300598e17fab00"></a>
bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point_polar.html#a73d21f582ee5960011300598e17fab00">isNull</a> () const </td></tr>
<tr class="memdesc:a73d21f582ee5960011300598e17fab00"><td class="mdescLeft"> </td><td class="mdescRight">Returns true if <a class="el" href="class_qwt_point_polar.html#ab629fcfb36f0f29df45b256c6bddf194" title="Returns the radius.">radius()</a> >= 0.0. <br/></td></tr>
<tr class="separator:a73d21f582ee5960011300598e17fab00"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ab629fcfb36f0f29df45b256c6bddf194"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ab629fcfb36f0f29df45b256c6bddf194"></a>
double </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point_polar.html#ab629fcfb36f0f29df45b256c6bddf194">radius</a> () const </td></tr>
<tr class="memdesc:ab629fcfb36f0f29df45b256c6bddf194"><td class="mdescLeft"> </td><td class="mdescRight">Returns the radius. <br/></td></tr>
<tr class="separator:ab629fcfb36f0f29df45b256c6bddf194"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:afac65de2dca25b0b6a6c5fb917fff424"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="afac65de2dca25b0b6a6c5fb917fff424"></a>
double </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point_polar.html#afac65de2dca25b0b6a6c5fb917fff424">azimuth</a> () const </td></tr>
<tr class="memdesc:afac65de2dca25b0b6a6c5fb917fff424"><td class="mdescLeft"> </td><td class="mdescRight">Returns the azimuth. <br/></td></tr>
<tr class="separator:afac65de2dca25b0b6a6c5fb917fff424"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a69cf76a959e4417038b4e2684d307847"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a69cf76a959e4417038b4e2684d307847"></a>
double & </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point_polar.html#a69cf76a959e4417038b4e2684d307847">rRadius</a> ()</td></tr>
<tr class="memdesc:a69cf76a959e4417038b4e2684d307847"><td class="mdescLeft"> </td><td class="mdescRight">Returns the radius. <br/></td></tr>
<tr class="separator:a69cf76a959e4417038b4e2684d307847"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ae509330927d54dbc7cf65fae42083fce"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ae509330927d54dbc7cf65fae42083fce"></a>
double & </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point_polar.html#ae509330927d54dbc7cf65fae42083fce">rAzimuth</a> ()</td></tr>
<tr class="memdesc:ae509330927d54dbc7cf65fae42083fce"><td class="mdescLeft"> </td><td class="mdescRight">Returns the azimuth. <br/></td></tr>
<tr class="separator:ae509330927d54dbc7cf65fae42083fce"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a31ae2f4d6fad44f51ad5e7444a7f21fe"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a31ae2f4d6fad44f51ad5e7444a7f21fe"></a>
void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point_polar.html#a31ae2f4d6fad44f51ad5e7444a7f21fe">setRadius</a> (double)</td></tr>
<tr class="memdesc:a31ae2f4d6fad44f51ad5e7444a7f21fe"><td class="mdescLeft"> </td><td class="mdescRight">Sets the radius to radius. <br/></td></tr>
<tr class="separator:a31ae2f4d6fad44f51ad5e7444a7f21fe"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a32c6c64510fce3e087d332305b4aca9e"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a32c6c64510fce3e087d332305b4aca9e"></a>
void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point_polar.html#a32c6c64510fce3e087d332305b4aca9e">setAzimuth</a> (double)</td></tr>
<tr class="memdesc:a32c6c64510fce3e087d332305b4aca9e"><td class="mdescLeft"> </td><td class="mdescRight">Sets the atimuth to atimuth. <br/></td></tr>
<tr class="separator:a32c6c64510fce3e087d332305b4aca9e"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af59f940ff7d63de71044a8bba6d749db"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point_polar.html#af59f940ff7d63de71044a8bba6d749db">operator==</a> (const <a class="el" href="class_qwt_point_polar.html">QwtPointPolar</a> &) const </td></tr>
<tr class="separator:af59f940ff7d63de71044a8bba6d749db"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af85df99741e28fbe6bdee96df42fb448"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point_polar.html#af85df99741e28fbe6bdee96df42fb448">operator!=</a> (const <a class="el" href="class_qwt_point_polar.html">QwtPointPolar</a> &) const </td></tr>
<tr class="separator:af85df99741e28fbe6bdee96df42fb448"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a2544921fb33e7601444223572243ed6a"><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_qwt_point_polar.html">QwtPointPolar</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point_polar.html#a2544921fb33e7601444223572243ed6a">normalized</a> () const </td></tr>
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</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>A point in polar coordinates. </p>
<p>In polar coordinates a point is determined by an angle and a distance. See <a href="http://en.wikipedia.org/wiki/Polar_coordinate_system">http://en.wikipedia.org/wiki/Polar_coordinate_system</a> </p>
</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
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<td class="memname">QwtPointPolar::QwtPointPolar </td>
<td>(</td>
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<p>Constructs a null point, with a radius and azimuth set to 0.0. </p>
<dl class="section see"><dt>See Also</dt><dd>QPointF::isNull() </dd></dl>
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<td class="memname">QwtPointPolar::QwtPointPolar </td>
<td>(</td>
<td class="paramtype">double </td>
<td class="paramname"><em>azimuth</em>, </td>
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<td class="paramtype">double </td>
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<p>Constructs a point with coordinates specified by radius and azimuth.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">azimuth</td><td>Azimuth </td></tr>
<tr><td class="paramname">radius</td><td>Radius </td></tr>
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<td class="memname">QwtPointPolar::QwtPointPolar </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="class_qwt_point_polar.html">QwtPointPolar</a> & </td>
<td class="paramname"><em>other</em></td><td>)</td>
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<p>Constructs a point using the values of the point specified. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">other</td><td>Other point </td></tr>
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<td class="memname">QwtPointPolar::QwtPointPolar </td>
<td>(</td>
<td class="paramtype">const QPointF & </td>
<td class="paramname"><em>p</em></td><td>)</td>
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<p>Convert and assign values from a point in Cartesian coordinates</p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">p</td><td>Point in Cartesian coordinates </td></tr>
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<dl class="section see"><dt>See Also</dt><dd><a class="el" href="class_qwt_point_polar.html#a8cd4f93356a8a8c07400c3ad9ff1b560">setPoint()</a>, <a class="el" href="class_qwt_point_polar.html#ab61dd4130840876c00d79c28ea534d06">toPoint()</a> </dd></dl>
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<h2 class="groupheader">Member Function Documentation</h2>
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<td class="memname"><a class="el" href="class_qwt_point_polar.html">QwtPointPolar</a> QwtPointPolar::normalized </td>
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<td> const</td>
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<p>Normalize radius and azimuth</p>
<p>When the radius is < 0.0 it is set to 0.0. The azimuth is a value >= 0.0 and < 2 * M_PI. </p>
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<td class="memname">bool QwtPointPolar::operator!= </td>
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<td class="paramname"><em>other</em></td><td>)</td>
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<p>Returns true if point1 is not equal to point2; otherwise returns false.</p>
<p>Two points are equal to each other if radius and azimuth-coordinates are the same. Points are not equal, when the azimuth differs, but other.azimuth() == <a class="el" href="class_qwt_point_polar.html#afac65de2dca25b0b6a6c5fb917fff424" title="Returns the azimuth.">azimuth()</a> % (2 * PI).</p>
<dl class="section see"><dt>See Also</dt><dd><a class="el" href="class_qwt_point_polar.html#a2544921fb33e7601444223572243ed6a">normalized()</a> </dd></dl>
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<td class="memname">bool QwtPointPolar::operator== </td>
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<td class="paramname"><em>other</em></td><td>)</td>
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<p>Returns true if point1 is equal to point2; otherwise returns false.</p>
<p>Two points are equal to each other if radius and azimuth-coordinates are the same. Points are not equal, when the azimuth differs, but other.azimuth() == <a class="el" href="class_qwt_point_polar.html#afac65de2dca25b0b6a6c5fb917fff424" title="Returns the azimuth.">azimuth()</a> % (2 * PI).</p>
<dl class="section see"><dt>See Also</dt><dd><a class="el" href="class_qwt_point_polar.html#a2544921fb33e7601444223572243ed6a">normalized()</a> </dd></dl>
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<td class="memname">void QwtPointPolar::setPoint </td>
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<p>Convert and assign values from a point in Cartesian coordinates </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">p</td><td>Point in Cartesian coordinates </td></tr>
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<td class="memname">QPointF QwtPointPolar::toPoint </td>
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<p>Convert and return values in Cartesian coordinates</p>
<dl class="section note"><dt>Note</dt><dd>Invalid or null points will be returned as QPointF(0.0, 0.0) </dd></dl>
<dl class="section see"><dt>See Also</dt><dd><a class="el" href="class_qwt_point_polar.html#ad1f8c93359d28322b6e3eeb9758a66f2" title="Returns true if radius() >= 0.0.">isValid()</a>, <a class="el" href="class_qwt_point_polar.html#a73d21f582ee5960011300598e17fab00" title="Returns true if radius() >= 0.0.">isNull()</a> </dd></dl>
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