<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <!-- qlineseries.cpp --> <title>QLineSeries Class | Qt Charts 5.9</title> <link rel="stylesheet" type="text/css" href="style/offline-simple.css" /> <script type="text/javascript"> document.getElementsByTagName("link").item(0).setAttribute("href", "style/offline.css"); // loading style sheet breaks anchors that were jumped to before // so force jumping to anchor again setTimeout(function() { var anchor = location.hash; // need to jump to different anchor first (e.g. none) location.hash = "#"; setTimeout(function() { location.hash = anchor; }, 0); }, 0); </script> </head> <body> <div class="header" id="qtdocheader"> <div class="main"> <div class="main-rounded"> <div class="navigationbar"> <table><tr> <td >Qt 5.9</td><td ><a href="qtcharts-index.html">Qt Charts</a></td><td ><a href="qt-charts-module.html">C++ Classes</a></td><td >QLineSeries</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right">Qt 5.9.4 Reference Documentation</td> </tr></table> </div> </div> <div class="content"> <div class="line"> <div class="content mainContent"> <div class="sidebar"> <div class="toc"> <h3><a name="toc">Contents</a></h3> <ul> <li class="level1"><a href="#public-functions">Public Functions</a></li> <li class="level1"><a href="#reimplemented-public-functions">Reimplemented Public Functions</a></li> <li class="level1"><a href="#details">Detailed Description</a></li> </ul> </div> <div class="sidebar-content" id="sidebar-content"></div></div> <h1 class="title">QLineSeries Class</h1> <!-- $$$QLineSeries-brief --> <p>The <a href="qlineseries.html">QLineSeries</a> class presents data in line charts. <a href="#details">More...</a></p> <!-- @@@QLineSeries --> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> Header:</td><td class="memItemRight bottomAlign"> <span class="preprocessor">#include <QLineSeries></span> </td></tr><tr><td class="memItemLeft rightAlign topAlign"> Instantiated By:</td><td class="memItemRight bottomAlign"> <a href="qml-qtcharts-lineseries.html">LineSeries</a></td></tr><tr><td class="memItemLeft rightAlign topAlign"> Inherits:</td><td class="memItemRight bottomAlign"> <a href="qxyseries.html">QXYSeries</a></td></tr><tr><td class="memItemLeft rightAlign topAlign"> Inherited By:</td><td class="memItemRight bottomAlign"> <p><a href="qsplineseries.html">QSplineSeries</a></p> </td></tr></table></div><ul> <li><a href="qlineseries-members.html">List of all members, including inherited members</a></li> </ul> <a name="public-functions"></a> <h2 id="public-functions">Public Functions</h2> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qlineseries.html#QLineSeries">QLineSeries</a></b>(QObject *<i>parent</i> = Q_NULLPTR)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qlineseries.html#dtor.QLineSeries">~QLineSeries</a></b>()</td></tr> </table></div> <a name="reimplemented-public-functions"></a> <h2 id="reimplemented-public-functions">Reimplemented Public Functions</h2> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> virtual QAbstractSeries::SeriesType </td><td class="memItemRight bottomAlign"><b><a href="qlineseries.html#type">type</a></b>() const</td></tr> </table></div> <ul> <li class="fn">39 public functions inherited from <a href="qxyseries.html#public-functions">QXYSeries</a></li> <li class="fn">15 public functions inherited from <a href="qabstractseries.html#public-functions">QAbstractSeries</a></li> </ul> <h3>Additional Inherited Members</h3> <ul> <li class="fn">7 properties inherited from <a href="qxyseries.html#properties">QXYSeries</a></li> <li class="fn">5 properties inherited from <a href="qabstractseries.html#properties">QAbstractSeries</a></li> <li class="fn">17 signals inherited from <a href="qxyseries.html#signals">QXYSeries</a></li> <li class="fn">4 signals inherited from <a href="qabstractseries.html#signals">QAbstractSeries</a></li> </ul> <a name="details"></a> <!-- $$$QLineSeries-description --> <div class="descr"> <h2 id="details">Detailed Description</h2> <p>The <a href="qlineseries.html">QLineSeries</a> class presents data in line charts.</p> <p>A line chart is used to show information as a series of data points connected by straight lines.</p> <p class="centerAlign"><img src="images/examples_linechart.png" alt="" /></p><p>Creating a basic line chart is simple:</p> <pre class="cpp"> <span class="type"><a href="qlineseries.html#QLineSeries">QLineSeries</a></span><span class="operator">*</span> series <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qlineseries.html#QLineSeries">QLineSeries</a></span>(); series<span class="operator">-</span><span class="operator">></span>append(<span class="number">0</span><span class="operator">,</span> <span class="number">6</span>); series<span class="operator">-</span><span class="operator">></span>append(<span class="number">2</span><span class="operator">,</span> <span class="number">4</span>); <span class="operator">.</span><span class="operator">.</span><span class="operator">.</span> chart<span class="operator">-</span><span class="operator">></span>addSeries(series); </pre> </div> <!-- @@@QLineSeries --> <div class="func"> <h2>Member Function Documentation</h2> <!-- $$$QLineSeries[overload1]$$$QLineSeriesQObject* --> <h3 class="fn" id="QLineSeries"><a name="QLineSeries"></a>QLineSeries::<span class="name">QLineSeries</span>(<span class="type">QObject</span> *<i>parent</i> = Q_NULLPTR)</h3> <p>Constructs an empty series object that is a child of <i>parent</i>. When the series object is added to a <a href="qchartview.html">QChartView</a> or <a href="qchart.html">QChart</a> instance, the ownership is transferred.</p> <!-- @@@QLineSeries --> <!-- $$$~QLineSeries[overload1]$$$~QLineSeries --> <h3 class="fn" id="dtor.QLineSeries"><a name="dtor.QLineSeries"></a>QLineSeries::<span class="name">~QLineSeries</span>()</h3> <p>Destroys the object. Series added to <a href="qchartview.html">QChartView</a> or <a href="qchart.html">QChart</a> instances are owned by the instances and deleted when the instances are destroyed.</p> <!-- @@@~QLineSeries --> <!-- $$$type[overload1]$$$type --> <h3 class="fn" id="type"><a name="type"></a><code>[virtual] </code><span class="type"><a href="qabstractseries.html#SeriesType-enum">QAbstractSeries::SeriesType</a></span> QLineSeries::<span class="name">type</span>() const</h3> <p>Reimplemented from <a href="qabstractseries.html#type-prop">QAbstractSeries::type</a>().</p> <!-- @@@type --> </div> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2017 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners.<br> The documentation provided herein is licensed under the terms of the <a href="http://www.gnu.org/licenses/fdl.html">GNU Free Documentation License version 1.3</a> as published by the Free Software Foundation.<br> Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners. </p> </div> </body> </html>