<!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: QwtPointArrayData 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 href="files.html"><span>Files</span></a></li>
</ul>
</div>
<div id="navrow2" class="tabs2">
<ul class="tablist">
<li><a href="annotated.html"><span>Class List</span></a></li>
<li><a href="classes.html"><span>Class Index</span></a></li>
<li><a href="inherits.html"><span>Class Hierarchy</span></a></li>
<li><a href="functions.html"><span>Class Members</span></a></li>
</ul>
</div>
</div>
<div class="header">
<div class="summary">
<a href="#pub-methods">Public Member Functions</a> |
<a href="#pro-attribs">Protected Attributes</a> </div>
<div class="headertitle">
<h1>QwtPointArrayData Class Reference</h1> </div>
</div>
<div class="contents">
<!-- doxytag: class="QwtPointArrayData" --><!-- doxytag: inherits="QwtSeriesData< QPointF >" -->
<p>Interface for iterating over two QVector<double> objects.
<a href="#_details">More...</a></p>
<p><code>#include <<a class="el" href="qwt__series__data_8h_source.html">qwt_series_data.h</a>></code></p>
<div class="dynheader">
Inheritance diagram for QwtPointArrayData:</div>
<div class="dyncontent">
<div class="center"><img src="class_qwt_point_array_data__inherit__graph.png" border="0" usemap="#_qwt_point_array_data_inherit__map" alt="Inheritance graph"/></div>
<map name="_qwt_point_array_data_inherit__map" id="_qwt_point_array_data_inherit__map">
<area shape="rect" id="node2" href="class_qwt_series_data.html" title="QwtSeriesData\< QPointF \>" alt="" coords="5,101,187,131"/><area shape="rect" id="node4" href="class_qwt_series_data.html" title="Abstract interface for iterating over samples." alt="" coords="27,5,165,35"/></map>
<center><span class="legend">[<a href="graph_legend.html">legend</a>]</span></center></div>
<p><a href="class_qwt_point_array_data-members.html">List of all 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">virtual QRectF </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point_array_data.html#a2d8b421115ba860e9d12a2266eeaef3b">boundingRect</a> () const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point_array_data.html#ad83a51f37e5d626b60695baf3f0fd6fd">QwtPointArrayData</a> (const double *x, const double *y, size_t size)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point_array_data.html#a33044621333635f861b3945faf29cdc1">QwtPointArrayData</a> (const QVector< double > &x, const QVector< double > &y)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual QPointF </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point_array_data.html#ad2fa2b92a88d216fb4a74cb4b6ccbb9f">sample</a> (size_t i) const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a81466c72589c03310543d17e1f1d0ab7"></a><!-- doxytag: member="QwtPointArrayData::setRectOfInterest" ref="a81466c72589c03310543d17e1f1d0ab7" args="(const QRectF &)" -->
virtual void </td><td class="memItemRight" valign="bottom"><b>setRectOfInterest</b> (const QRectF &)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point_array_data.html#a2222b2ad6346dc6357a412fc50ec8f56">size</a> () const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top">const QVector< double > & </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point_array_data.html#a94db4f8c1d2a4495f22144d03255bc2d">xData</a> () const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top">const QVector< double > & </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_point_array_data.html#ac7fcf7f7dfa58298bb165142d81d03f2">yData</a> () const </td></tr>
<tr><td colspan="2"><h2><a name="pro-attribs"></a>
Protected Attributes</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">QRectF </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_series_data.html#a24fbbcb0baa0c728117d2e6764d00414">d_boundingRect</a></td></tr>
</table>
<hr/><a name="_details"></a><h2>Detailed Description</h2>
<div class="textblock"><p>Interface for iterating over two QVector<double> objects. </p>
</div><hr/><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" id="a33044621333635f861b3945faf29cdc1"></a><!-- doxytag: member="QwtPointArrayData::QwtPointArrayData" ref="a33044621333635f861b3945faf29cdc1" args="(const QVector< double > &x, const QVector< double > &y)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">QwtPointArrayData::QwtPointArrayData </td>
<td>(</td>
<td class="paramtype">const QVector< double > & </td>
<td class="paramname"><em>x</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const QVector< double > & </td>
<td class="paramname"><em>y</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Constructor</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">x</td><td>Array of x values </td></tr>
<tr><td class="paramname">y</td><td>Array of y values</td></tr>
</table>
</dd>
</dl>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_plot_series_item.html#adba072515f7c71c923985882129878c4">QwtPlotCurve::setData()</a>, <a class="el" href="class_qwt_plot_curve.html#aa51cd3fa00f2a046ca5a9889c5db2413">QwtPlotCurve::setSamples()</a> </dd></dl>
</div>
</div>
<a class="anchor" id="ad83a51f37e5d626b60695baf3f0fd6fd"></a><!-- doxytag: member="QwtPointArrayData::QwtPointArrayData" ref="ad83a51f37e5d626b60695baf3f0fd6fd" args="(const double *x, const double *y, size_t size)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">QwtPointArrayData::QwtPointArrayData </td>
<td>(</td>
<td class="paramtype">const double * </td>
<td class="paramname"><em>x</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const double * </td>
<td class="paramname"><em>y</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"><em>size</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Constructor</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">x</td><td>Array of x values </td></tr>
<tr><td class="paramname">y</td><td>Array of y values </td></tr>
<tr><td class="paramname">size</td><td>Size of the x and y arrays </td></tr>
</table>
</dd>
</dl>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_plot_series_item.html#adba072515f7c71c923985882129878c4">QwtPlotCurve::setData()</a>, <a class="el" href="class_qwt_plot_curve.html#aa51cd3fa00f2a046ca5a9889c5db2413">QwtPlotCurve::setSamples()</a> </dd></dl>
</div>
</div>
<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="a2d8b421115ba860e9d12a2266eeaef3b"></a><!-- doxytag: member="QwtPointArrayData::boundingRect" ref="a2d8b421115ba860e9d12a2266eeaef3b" args="() const " -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">QRectF QwtPointArrayData::boundingRect </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const<code> [virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Calculate the bounding rect. </p>
<p>The bounding rectangle is calculated once by iterating over all points and is stored for all following requests.</p>
<dl class="return"><dt><b>Returns:</b></dt><dd>Bounding rectangle </dd></dl>
<p>Implements <a class="el" href="class_qwt_series_data.html#aedb969ba51a27d88d26ad7f7cb1c2c7f">QwtSeriesData< QPointF ></a>.</p>
</div>
</div>
<a class="anchor" id="ad2fa2b92a88d216fb4a74cb4b6ccbb9f"></a><!-- doxytag: member="QwtPointArrayData::sample" ref="ad2fa2b92a88d216fb4a74cb4b6ccbb9f" args="(size_t i) const " -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">QPointF QwtPointArrayData::sample </td>
<td>(</td>
<td class="paramtype">size_t </td>
<td class="paramname"><em>i</em></td><td>)</td>
<td> const<code> [virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Return the sample at position i</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">i</td><td>Index </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>Sample at position i </dd></dl>
<p>Implements <a class="el" href="class_qwt_series_data.html#ae8650d16c07c58f01897ab48658a3266">QwtSeriesData< QPointF ></a>.</p>
</div>
</div>
<a class="anchor" id="a2222b2ad6346dc6357a412fc50ec8f56"></a><!-- doxytag: member="QwtPointArrayData::size" ref="a2222b2ad6346dc6357a412fc50ec8f56" args="() const " -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">size_t QwtPointArrayData::size </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const<code> [virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<dl class="return"><dt><b>Returns:</b></dt><dd>Size of the data set </dd></dl>
<p>Implements <a class="el" href="class_qwt_series_data.html#a3cfe5b26fc55a887ac85b0103ae80a3e">QwtSeriesData< QPointF ></a>.</p>
</div>
</div>
<a class="anchor" id="a94db4f8c1d2a4495f22144d03255bc2d"></a><!-- doxytag: member="QwtPointArrayData::xData" ref="a94db4f8c1d2a4495f22144d03255bc2d" args="() const " -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">const QVector< double > & QwtPointArrayData::xData </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
</tr>
</table>
</div>
<div class="memdoc">
<dl class="return"><dt><b>Returns:</b></dt><dd>Array of the x-values </dd></dl>
</div>
</div>
<a class="anchor" id="ac7fcf7f7dfa58298bb165142d81d03f2"></a><!-- doxytag: member="QwtPointArrayData::yData" ref="ac7fcf7f7dfa58298bb165142d81d03f2" args="() const " -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">const QVector< double > & QwtPointArrayData::yData </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
</tr>
</table>
</div>
<div class="memdoc">
<dl class="return"><dt><b>Returns:</b></dt><dd>Array of the y-values </dd></dl>
</div>
</div>
<hr/><h2>Member Data Documentation</h2>
<a class="anchor" id="a24fbbcb0baa0c728117d2e6764d00414"></a><!-- doxytag: member="QwtPointArrayData::d_boundingRect" ref="a24fbbcb0baa0c728117d2e6764d00414" args="" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">QRectF <a class="el" href="class_qwt_series_data.html">QwtSeriesData</a>< QPointF >::<a class="el" href="class_qwt_series_data.html#a24fbbcb0baa0c728117d2e6764d00414">d_boundingRect</a><code> [mutable, protected, inherited]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Can be used to cache a calculated bounding rectangle. </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>
