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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<title>Wt examples: ScatterPlotExample Class Reference</title>
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<div id="projectname">Wt examples
 <span id="projectnumber">3.2.1</span>
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<a href="#pub-methods">Public Member Functions</a> </div>
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<div class="title">ScatterPlotExample Class Reference<div class="ingroups"><a class="el" href="group__chartsexample.html">Charts example</a></div></div> </div>
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<!-- doxytag: class="ScatterPlotExample" --><!-- doxytag: inherits="Wt::WContainerWidget" -->
<p>A Widget that demonstrates a scatter plot.
<a href="classScatterPlotExample.html#details">More...</a></p>
<p><code>#include <<a class="el" href="ChartsExample_8h_source.html">ChartsExample.h</a>></code></p>
<div class="dynheader">
Inheritance diagram for ScatterPlotExample:</div>
<div class="dyncontent">
<div class="center"><img src="classScatterPlotExample__inherit__graph.png" border="0" usemap="#ScatterPlotExample_inherit__map" alt="Inheritance graph"/></div>
<map name="ScatterPlotExample_inherit__map" id="ScatterPlotExample_inherit__map">
<area shape="rect" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WContainerWidget.html" title="Wt::WContainerWidget" alt="" coords="5,304,160,331"/><area shape="rect" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WInteractWidget.html" title="Wt::WInteractWidget" alt="" coords="11,229,155,256"/><area shape="rect" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WWebWidget.html" title="Wt::WWebWidget" alt="" coords="19,155,147,181"/><area shape="rect" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WWidget.html" title="Wt::WWidget" alt="" coords="33,80,132,107"/><area shape="rect" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WObject.html" title="Wt::WObject" alt="" coords="35,5,131,32"/></map>
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<p><a href="classScatterPlotExample-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"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classScatterPlotExample.html#a75f30afe584a342437d901217fd232db">ScatterPlotExample</a> (<a class="elRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WContainerWidget.html">Wt::WContainerWidget</a> *<a class="elRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WWidget.html#a3461e31818c4d2f516641bdaf508312a">parent</a>)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Creates the scatter plot example. <a href="#a75f30afe584a342437d901217fd232db"></a><br/></td></tr>
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<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><p>A Widget that demonstrates a scatter plot. </p>
<p>Definition at line <a class="el" href="ChartsExample_8h_source.html#l00049">49</a> of file <a class="el" href="ChartsExample_8h_source.html">ChartsExample.h</a>.</p>
</div><hr/><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" id="a75f30afe584a342437d901217fd232db"></a><!-- doxytag: member="ScatterPlotExample::ScatterPlotExample" ref="a75f30afe584a342437d901217fd232db" args="(Wt::WContainerWidget *parent)" -->
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<td class="memname">ScatterPlotExample::ScatterPlotExample </td>
<td>(</td>
<td class="paramtype"><a class="elRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WContainerWidget.html">Wt::WContainerWidget</a> * </td>
<td class="paramname"><em>parent</em></td><td>)</td>
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<p>Creates the scatter plot example. </p>
<p>Definition at line <a class="el" href="ChartsExample_8C_source.html#l00252">252</a> of file <a class="el" href="ChartsExample_8C_source.html">ChartsExample.C</a>.</p>
<div class="fragment"><pre class="fragment"> :
<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WContainerWidget.html#a520ba6e52a36a7f2efbef1a31a69e898">WContainerWidget</a>(parent)
{
<span class="keyword">new</span> <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WText.html">WText</a>(WString::tr(<span class="stringliteral">"scatter plot 2"</span>), <span class="keyword">this</span>);
<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WStandardItemModel.html">WStandardItemModel</a> *model = <span class="keyword">new</span> <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WStandardItemModel.html">WStandardItemModel</a>(40, 2, <span class="keyword">this</span>);
model-><a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WAbstractItemModel.html#a57f5d417f933440db0d38ece7dd370f4">setHeaderData</a>(0, <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WString.html">WString</a>(<span class="stringliteral">"X"</span>));
model-><a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WAbstractItemModel.html#a57f5d417f933440db0d38ece7dd370f4">setHeaderData</a>(1, <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WString.html">WString</a>(<span class="stringliteral">"Y = sin(X)"</span>));
<span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0; i < 40; ++i) {
<span class="keywordtype">double</span> x = (<span class="keyword">static_cast<</span><span class="keywordtype">double</span><span class="keyword">></span>(i) - 20) / 4;
model-><a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WAbstractItemModel.html#a70856db8c322be8c7f397a932165a943">setData</a>(i, 0, x);
model-><a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WAbstractItemModel.html#a70856db8c322be8c7f397a932165a943">setData</a>(i, 1, sin(x));
}
<span class="comment">/*</span>
<span class="comment"> * Create the scatter plot.</span>
<span class="comment"> */</span>
<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1Chart_1_1WCartesianChart.html">WCartesianChart</a> *chart = <span class="keyword">new</span> <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1Chart_1_1WCartesianChart.html">WCartesianChart</a>(<span class="keyword">this</span>);
chart-><a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1Chart_1_1WAbstractChart.html#aa23d116689e939301470398df8ad5c8b">setModel</a>(model); <span class="comment">// set the model</span>
chart-><a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1Chart_1_1WCartesianChart.html#a6c954fa4ed6d73f00ee973bfe3af5ed0">setXSeriesColumn</a>(0); <span class="comment">// set the column that holds the X data</span>
chart-><a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1Chart_1_1WCartesianChart.html#a26c3d97f4884da079e01e7b50447a915">setLegendEnabled</a>(<span class="keyword">true</span>); <span class="comment">// enable the legend</span>
chart-><a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1Chart_1_1WCartesianChart.html#a02775290965d59ffba03da574925e387">setType</a>(<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/group__charts.html#gga8d63464f873580c77508e1c0c26cbfeaa6ddab43d32242eb28831938a1e469a1f">ScatterPlot</a>); <span class="comment">// set type to ScatterPlot</span>
<span class="comment">// Typically, for mathematical functions, you want the axes to cross</span>
<span class="comment">// at the 0 mark:</span>
chart-><a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1Chart_1_1WCartesianChart.html#af966d6ee6b2e43e6b26e794459005375">axis</a>(<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/group__charts.html#ggaddb678f67fbd9f374fcee0922f158c9fa2a592919e6cbd94bf09e1259559499b5">XAxis</a>).<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1Chart_1_1WAxis.html#a6dab2f46117b85a4a6f439e4f194ee82">setLocation</a>(<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/group__charts.html#gga77eb6d0cefa4a012950ea972b471b849af2e58ce3483a5ec496f65fb808ce72b9">ZeroValue</a>);
chart-><a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1Chart_1_1WCartesianChart.html#af966d6ee6b2e43e6b26e794459005375">axis</a>(<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/group__charts.html#ggaddb678f67fbd9f374fcee0922f158c9fa2e1017fdef77b4663715c3d7663a4db4">YAxis</a>).<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1Chart_1_1WAxis.html#a6dab2f46117b85a4a6f439e4f194ee82">setLocation</a>(<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/group__charts.html#gga77eb6d0cefa4a012950ea972b471b849af2e58ce3483a5ec496f65fb808ce72b9">ZeroValue</a>);
<span class="comment">// Provide space for the X and Y axis and title. </span>
chart-><a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1Chart_1_1WAbstractChart.html#ace6ea85014f731c7034e4215710a8a48">setPlotAreaPadding</a>(80, Left);
chart-><a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1Chart_1_1WAbstractChart.html#ace6ea85014f731c7034e4215710a8a48">setPlotAreaPadding</a>(40, Top | Bottom);
<span class="comment">// Add the curves</span>
<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1Chart_1_1WDataSeries.html">WDataSeries</a> s(1, <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/group__charts.html#gga44d64e4a9d08c7ef69648f4a9c3e4053a805880e23c0292fb7a66b2cda2a2f5bf">CurveSeries</a>);
s.setShadow(<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WShadow.html">WShadow</a>(3, 3, <a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WColor.html">WColor</a>(0, 0, 0, 127), 3));
chart-><a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1Chart_1_1WCartesianChart.html#afa4ac6588e6e2e0dd93320c3a0541d46">addSeries</a>(s);
chart-><a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WPaintedWidget.html#aa57b940110d240951d0e3a6d03390319">resize</a>(800, 300); <span class="comment">// WPaintedWidget must be given explicit size</span>
chart-><a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WWebWidget.html#a9795c18e926b26b97fcbabc62a1dd4e3">setMargin</a>(10, Top | Bottom); <span class="comment">// add margin vertically</span>
chart-><a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/classWt_1_1WWebWidget.html#a9795c18e926b26b97fcbabc62a1dd4e3">setMargin</a>(WLength::Auto, Left | Right); <span class="comment">// center horizontally</span>
<a class="code" href="classChartConfig.html" title="A class that allows configuration of a cartesian chart.">ChartConfig</a> *config = <span class="keyword">new</span> <a class="code" href="classChartConfig.html" title="A class that allows configuration of a cartesian chart.">ChartConfig</a>(chart, <span class="keyword">this</span>);
config-><a class="code" href="classChartConfig.html#a5f4ddb33c53dc6907dcf73c2598ad0fa">setValueFill</a>(<a class="codeRef" doxygen="wt.tags:../../reference/html" href="../../reference/html/group__charts.html#gga7236e5b04bdb6f393162842982b4d1a0a50b16db97a187f9acccdbeecf8732ff0">ZeroValueFill</a>);
}
</pre></div>
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
<li>/home/koen/project/wt/public-git/wt/examples/charts/<a class="el" href="ChartsExample_8h_source.html">ChartsExample.h</a></li>
<li>/home/koen/project/wt/public-git/wt/examples/charts/<a class="el" href="ChartsExample_8C_source.html">ChartsExample.C</a></li>
</ul>
</div>
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C++ Web Toolkit (Wt)</a> by <a
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