<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>data.cpp Example File | Qt Data Visualization 5.12.2</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 5.12</td><td ><a href="qtdatavisualization-index.html">Qt Data Visualization</a></td><td ><a href="qtdatavisualization-draggableaxes-example.html">Axis Range Dragging With Labels Example</a></td><td >data.cpp Example File</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right"><a href="qtdatavisualization-index.html">Qt Data Visualization | Commercial or GPLv3</a></td> </tr></table> </div> </div> <div class="content"> <div class="line"> <div class="content mainContent"> <div class="sidebar"><div class="sidebar-content" id="sidebar-content"></div></div> <h1 class="title">data.cpp Example File</h1> <span class="subtitle">draggableaxes/data.cpp</span> <!-- $$$draggableaxes/data.cpp-description --> <div class="descr"> <a name="details"></a> <pre class="cpp"> <span class="comment">/**************************************************************************** ** ** Copyright (C) 2016 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the Qt Data Visualization module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:GPL$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU ** General Public License version 3 or (at your option) any later version ** approved by the KDE Free Qt Foundation. The licenses are as published by ** the Free Software Foundation and appearing in the file LICENSE.GPL3 ** included in the packaging of this file. Please review the following ** information to ensure the GNU General Public License requirements will ** be met: https://www.gnu.org/licenses/gpl-3.0.html. ** ** $QT_END_LICENSE$ ** ****************************************************************************/</span> <span class="preprocessor">#include "data.h"</span> <span class="preprocessor">#include <QtCore/QRandomGenerator></span> <span class="preprocessor">#include <QtDataVisualization/QScatterDataProxy></span> <span class="preprocessor">#include <QtDataVisualization/Q3DScene></span> <span class="preprocessor">#include <QtDataVisualization/Q3DCamera></span> <span class="preprocessor">#include <QtDataVisualization/QScatter3DSeries></span> <span class="preprocessor">#include <QtDataVisualization/Q3DTheme></span> <span class="keyword">using</span> <span class="keyword">namespace</span> <span class="type">QtDataVisualization</span>; <span class="keyword">const</span> <span class="type">int</span> itemCount <span class="operator">=</span> <span class="number">500</span>; Data<span class="operator">::</span>Data(<span class="type"><a href="q3dscatter.html">Q3DScatter</a></span> <span class="operator">*</span>scatter) : m_graph(scatter)<span class="operator">,</span> m_inputHandler(<span class="keyword">new</span> AxesInputHandler(scatter))<span class="operator">,</span> m_autoAdjust(<span class="keyword">false</span>) { m_graph<span class="operator">-</span><span class="operator">></span>activeTheme()<span class="operator">-</span><span class="operator">></span>setType(<span class="type"><a href="q3dtheme.html">Q3DTheme</a></span><span class="operator">::</span>ThemeEbony); m_graph<span class="operator">-</span><span class="operator">></span>activeTheme()<span class="operator">-</span><span class="operator">></span>setLabelBorderEnabled(<span class="keyword">true</span>); m_graph<span class="operator">-</span><span class="operator">></span>activeTheme()<span class="operator">-</span><span class="operator">></span>setLabelBackgroundColor(<span class="type">QColor</span>(<span class="type">QRgb</span>(<span class="number">0x151550</span>))); m_graph<span class="operator">-</span><span class="operator">></span>activeTheme()<span class="operator">-</span><span class="operator">></span>setLabelTextColor(<span class="type">Qt</span><span class="operator">::</span>lightGray); m_graph<span class="operator">-</span><span class="operator">></span>activeTheme()<span class="operator">-</span><span class="operator">></span>setFont(<span class="type">QFont</span>(<span class="string">"Arial Black"</span><span class="operator">,</span> <span class="number">30</span>)); m_graph<span class="operator">-</span><span class="operator">></span>setShadowQuality(QAbstract3DGraph<span class="operator">::</span>ShadowQualityMedium); m_graph<span class="operator">-</span><span class="operator">></span>scene()<span class="operator">-</span><span class="operator">></span>activeCamera()<span class="operator">-</span><span class="operator">></span>setCameraPreset(<span class="type"><a href="q3dcamera.html">Q3DCamera</a></span><span class="operator">::</span>CameraPresetIsometricRight); m_graph<span class="operator">-</span><span class="operator">></span>axisX()<span class="operator">-</span><span class="operator">></span>setRange(<span class="operator">-</span><span class="number">20.0f</span><span class="operator">,</span> <span class="number">20.0f</span>); m_graph<span class="operator">-</span><span class="operator">></span>axisY()<span class="operator">-</span><span class="operator">></span>setRange(<span class="operator">-</span><span class="number">10.0f</span><span class="operator">,</span> <span class="number">10.0f</span>); m_graph<span class="operator">-</span><span class="operator">></span>axisZ()<span class="operator">-</span><span class="operator">></span>setRange(<span class="operator">-</span><span class="number">20.0f</span><span class="operator">,</span> <span class="number">20.0f</span>); <span class="comment">// Give ownership of the handler to the graph and make it the active handler</span> m_graph<span class="operator">-</span><span class="operator">></span>setActiveInputHandler(m_inputHandler); <span class="comment">// Give our axes to the input handler</span> m_inputHandler<span class="operator">-</span><span class="operator">></span>setAxes(m_graph<span class="operator">-</span><span class="operator">></span>axisX()<span class="operator">,</span> m_graph<span class="operator">-</span><span class="operator">></span>axisZ()<span class="operator">,</span> m_graph<span class="operator">-</span><span class="operator">></span>axisY()); addData(); } Data<span class="operator">::</span><span class="operator">~</span>Data() { <span class="keyword">delete</span> m_graph; } <span class="type">void</span> Data<span class="operator">::</span>toggleRanges() { <span class="keyword">if</span> (<span class="operator">!</span>m_autoAdjust) { m_graph<span class="operator">-</span><span class="operator">></span>axisX()<span class="operator">-</span><span class="operator">></span>setAutoAdjustRange(<span class="keyword">true</span>); m_graph<span class="operator">-</span><span class="operator">></span>axisZ()<span class="operator">-</span><span class="operator">></span>setAutoAdjustRange(<span class="keyword">true</span>); m_graph<span class="operator">-</span><span class="operator">></span>axisY()<span class="operator">-</span><span class="operator">></span>setAutoAdjustRange(<span class="keyword">true</span>); m_inputHandler<span class="operator">-</span><span class="operator">></span>setDragSpeedModifier(<span class="number">1.5f</span>); m_autoAdjust <span class="operator">=</span> <span class="keyword">true</span>; } <span class="keyword">else</span> { m_graph<span class="operator">-</span><span class="operator">></span>axisX()<span class="operator">-</span><span class="operator">></span>setRange(<span class="operator">-</span><span class="number">20.0f</span><span class="operator">,</span> <span class="number">20.0f</span>); m_graph<span class="operator">-</span><span class="operator">></span>axisY()<span class="operator">-</span><span class="operator">></span>setRange(<span class="operator">-</span><span class="number">10.0f</span><span class="operator">,</span> <span class="number">10.0f</span>); m_graph<span class="operator">-</span><span class="operator">></span>axisZ()<span class="operator">-</span><span class="operator">></span>setRange(<span class="operator">-</span><span class="number">20.0f</span><span class="operator">,</span> <span class="number">20.0f</span>); m_inputHandler<span class="operator">-</span><span class="operator">></span>setDragSpeedModifier(<span class="number">15.0f</span>); m_autoAdjust <span class="operator">=</span> <span class="keyword">false</span>; } } <span class="type">void</span> Data<span class="operator">::</span>addData() { QScatter3DSeries <span class="operator">*</span>series <span class="operator">=</span> <span class="keyword">new</span> QScatter3DSeries; series<span class="operator">-</span><span class="operator">></span>setMesh(QAbstract3DSeries<span class="operator">::</span>MeshCube); series<span class="operator">-</span><span class="operator">></span>setMeshSmooth(<span class="keyword">true</span>); m_graph<span class="operator">-</span><span class="operator">></span>addSeries(series); QScatter3DSeries <span class="operator">*</span>series2 <span class="operator">=</span> <span class="keyword">new</span> QScatter3DSeries; series2<span class="operator">-</span><span class="operator">></span>setMesh(QAbstract3DSeries<span class="operator">::</span>MeshMinimal); series2<span class="operator">-</span><span class="operator">></span>setMeshSmooth(<span class="keyword">true</span>); m_graph<span class="operator">-</span><span class="operator">></span>addSeries(series2); QScatter3DSeries <span class="operator">*</span>series3 <span class="operator">=</span> <span class="keyword">new</span> QScatter3DSeries; series3<span class="operator">-</span><span class="operator">></span>setMesh(QAbstract3DSeries<span class="operator">::</span>MeshSphere); series3<span class="operator">-</span><span class="operator">></span>setMeshSmooth(<span class="keyword">true</span>); m_graph<span class="operator">-</span><span class="operator">></span>addSeries(series3); QScatter3DSeries <span class="operator">*</span>series4 <span class="operator">=</span> <span class="keyword">new</span> QScatter3DSeries; series4<span class="operator">-</span><span class="operator">></span>setMesh(QAbstract3DSeries<span class="operator">::</span>MeshBevelCube); series4<span class="operator">-</span><span class="operator">></span>setMeshSmooth(<span class="keyword">true</span>); m_graph<span class="operator">-</span><span class="operator">></span>addSeries(series4); QScatter3DSeries <span class="operator">*</span>series5 <span class="operator">=</span> <span class="keyword">new</span> QScatter3DSeries; series5<span class="operator">-</span><span class="operator">></span>setMesh(QAbstract3DSeries<span class="operator">::</span>MeshSphere); m_graph<span class="operator">-</span><span class="operator">></span>addSeries(series5); <span class="type"><a href="qscatterdataproxy.html#QScatterDataArray-typedef">QScatterDataArray</a></span> <span class="operator">*</span>dataArray <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qscatterdataproxy.html#QScatterDataArray-typedef">QScatterDataArray</a></span>; dataArray<span class="operator">-</span><span class="operator">></span>resize(itemCount); <span class="type"><a href="qscatterdataitem.html">QScatterDataItem</a></span> <span class="operator">*</span>ptrToDataArray <span class="operator">=</span> <span class="operator">&</span>dataArray<span class="operator">-</span><span class="operator">></span>first(); <span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator"><</span> itemCount; i<span class="operator">+</span><span class="operator">+</span>) { ptrToDataArray<span class="operator">-</span><span class="operator">></span>setPosition(randVector()); ptrToDataArray<span class="operator">+</span><span class="operator">+</span>; } <span class="type"><a href="qscatterdataproxy.html#QScatterDataArray-typedef">QScatterDataArray</a></span> <span class="operator">*</span>dataArray2 <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qscatterdataproxy.html#QScatterDataArray-typedef">QScatterDataArray</a></span>; dataArray2<span class="operator">-</span><span class="operator">></span>resize(itemCount); ptrToDataArray <span class="operator">=</span> <span class="operator">&</span>dataArray2<span class="operator">-</span><span class="operator">></span>first(); <span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator"><</span> itemCount; i<span class="operator">+</span><span class="operator">+</span>) { ptrToDataArray<span class="operator">-</span><span class="operator">></span>setPosition(randVector()); ptrToDataArray<span class="operator">+</span><span class="operator">+</span>; } <span class="type"><a href="qscatterdataproxy.html#QScatterDataArray-typedef">QScatterDataArray</a></span> <span class="operator">*</span>dataArray3 <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qscatterdataproxy.html#QScatterDataArray-typedef">QScatterDataArray</a></span>; dataArray3<span class="operator">-</span><span class="operator">></span>resize(itemCount); ptrToDataArray <span class="operator">=</span> <span class="operator">&</span>dataArray3<span class="operator">-</span><span class="operator">></span>first(); <span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator"><</span> itemCount; i<span class="operator">+</span><span class="operator">+</span>) { ptrToDataArray<span class="operator">-</span><span class="operator">></span>setPosition(randVector()); ptrToDataArray<span class="operator">+</span><span class="operator">+</span>; } <span class="type"><a href="qscatterdataproxy.html#QScatterDataArray-typedef">QScatterDataArray</a></span> <span class="operator">*</span>dataArray4 <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qscatterdataproxy.html#QScatterDataArray-typedef">QScatterDataArray</a></span>; dataArray4<span class="operator">-</span><span class="operator">></span>resize(itemCount); ptrToDataArray <span class="operator">=</span> <span class="operator">&</span>dataArray4<span class="operator">-</span><span class="operator">></span>first(); <span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator"><</span> itemCount; i<span class="operator">+</span><span class="operator">+</span>) { ptrToDataArray<span class="operator">-</span><span class="operator">></span>setPosition(randVector()); ptrToDataArray<span class="operator">+</span><span class="operator">+</span>; } <span class="type"><a href="qscatterdataproxy.html#QScatterDataArray-typedef">QScatterDataArray</a></span> <span class="operator">*</span>dataArray5 <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qscatterdataproxy.html#QScatterDataArray-typedef">QScatterDataArray</a></span>; dataArray5<span class="operator">-</span><span class="operator">></span>resize(itemCount); ptrToDataArray <span class="operator">=</span> <span class="operator">&</span>dataArray5<span class="operator">-</span><span class="operator">></span>first(); <span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator"><</span> itemCount; i<span class="operator">+</span><span class="operator">+</span>) { ptrToDataArray<span class="operator">-</span><span class="operator">></span>setPosition(randVector()); ptrToDataArray<span class="operator">+</span><span class="operator">+</span>; } m_graph<span class="operator">-</span><span class="operator">></span>seriesList()<span class="operator">.</span>at(<span class="number">0</span>)<span class="operator">-</span><span class="operator">></span>dataProxy()<span class="operator">-</span><span class="operator">></span>resetArray(dataArray); m_graph<span class="operator">-</span><span class="operator">></span>seriesList()<span class="operator">.</span>at(<span class="number">1</span>)<span class="operator">-</span><span class="operator">></span>dataProxy()<span class="operator">-</span><span class="operator">></span>resetArray(dataArray2); m_graph<span class="operator">-</span><span class="operator">></span>seriesList()<span class="operator">.</span>at(<span class="number">2</span>)<span class="operator">-</span><span class="operator">></span>dataProxy()<span class="operator">-</span><span class="operator">></span>resetArray(dataArray3); m_graph<span class="operator">-</span><span class="operator">></span>seriesList()<span class="operator">.</span>at(<span class="number">3</span>)<span class="operator">-</span><span class="operator">></span>dataProxy()<span class="operator">-</span><span class="operator">></span>resetArray(dataArray4); m_graph<span class="operator">-</span><span class="operator">></span>seriesList()<span class="operator">.</span>at(<span class="number">4</span>)<span class="operator">-</span><span class="operator">></span>dataProxy()<span class="operator">-</span><span class="operator">></span>resetArray(dataArray5); } QVector3D Data<span class="operator">::</span>randVector() { <span class="keyword">return</span> QVector3D( (<span class="type">float</span>)(<span class="type">QRandomGenerator</span><span class="operator">::</span>global()<span class="operator">-</span><span class="operator">></span>bounded(<span class="number">100</span>)) <span class="operator">/</span> <span class="number">2.0f</span> <span class="operator">-</span> (<span class="type">float</span>)(<span class="type">QRandomGenerator</span><span class="operator">::</span>global()<span class="operator">-</span><span class="operator">></span>bounded(<span class="number">100</span>)) <span class="operator">/</span> <span class="number">2.0f</span><span class="operator">,</span> (<span class="type">float</span>)(<span class="type">QRandomGenerator</span><span class="operator">::</span>global()<span class="operator">-</span><span class="operator">></span>bounded(<span class="number">100</span>)) <span class="operator">/</span> <span class="number">2.0f</span> <span class="operator">-</span> (<span class="type">float</span>)(<span class="type">QRandomGenerator</span><span class="operator">::</span>global()<span class="operator">-</span><span class="operator">></span>bounded(<span class="number">100</span>)) <span class="operator">/</span> <span class="number">2.0f</span><span class="operator">,</span> (<span class="type">float</span>)(<span class="type">QRandomGenerator</span><span class="operator">::</span>global()<span class="operator">-</span><span class="operator">></span>bounded(<span class="number">100</span>)) <span class="operator">/</span> <span class="number">2.0f</span> <span class="operator">-</span> (<span class="type">float</span>)(<span class="type">QRandomGenerator</span><span class="operator">::</span>global()<span class="operator">-</span><span class="operator">></span>bounded(<span class="number">100</span>)) <span class="operator">/</span> <span class="number">2.0f</span>); } </pre> </div> <!-- @@@draggableaxes/data.cpp --> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2019 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>