<?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>surfacegraph.cpp Example File | Qt Data Visualization 5.12.6</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-texturesurface-example.html">Textured Surface Example</a></td><td >surfacegraph.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">surfacegraph.cpp Example File</h1>
<span class="subtitle">texturesurface/surfacegraph.cpp</span>
<!-- $$$texturesurface/surfacegraph.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 "surfacegraph.h"</span>
<span class="preprocessor">#include "topographicseries.h"</span>
<span class="preprocessor">#include <QtDataVisualization/QValue3DAxis></span>
<span class="preprocessor">#include <QtDataVisualization/Q3DTheme></span>
<span class="keyword">using</span> <span class="keyword">namespace</span> <span class="type"><a href="qtdatavisualization-qmlmodule.html">QtDataVisualization</a></span>;
<span class="keyword">const</span> <span class="type">float</span> areaWidth <span class="operator">=</span> <span class="number">8000.0f</span>;
<span class="keyword">const</span> <span class="type">float</span> areaHeight <span class="operator">=</span> <span class="number">8000.0f</span>;
<span class="keyword">const</span> <span class="type">float</span> aspectRatio <span class="operator">=</span> <span class="number">0.1389f</span>;
<span class="keyword">const</span> <span class="type">float</span> minRange <span class="operator">=</span> areaWidth <span class="operator">*</span> <span class="number">0.49f</span>;
SurfaceGraph<span class="operator">::</span>SurfaceGraph(<span class="type"><a href="q3dsurface.html">Q3DSurface</a></span> <span class="operator">*</span>surface)
: m_graph(surface)
{
m_graph<span class="operator">-</span><span class="operator">></span>setAxisX(<span class="keyword">new</span> QValue3DAxis);
m_graph<span class="operator">-</span><span class="operator">></span>setAxisY(<span class="keyword">new</span> QValue3DAxis);
m_graph<span class="operator">-</span><span class="operator">></span>setAxisZ(<span class="keyword">new</span> QValue3DAxis);
m_graph<span class="operator">-</span><span class="operator">></span>axisX()<span class="operator">-</span><span class="operator">></span>setLabelFormat(<span class="string">"%i"</span>);
m_graph<span class="operator">-</span><span class="operator">></span>axisZ()<span class="operator">-</span><span class="operator">></span>setLabelFormat(<span class="string">"%i"</span>);
m_graph<span class="operator">-</span><span class="operator">></span>axisX()<span class="operator">-</span><span class="operator">></span>setRange(<span class="number">0.0f</span><span class="operator">,</span> areaWidth);
m_graph<span class="operator">-</span><span class="operator">></span>axisY()<span class="operator">-</span><span class="operator">></span>setRange(<span class="number">100.0f</span><span class="operator">,</span> areaWidth <span class="operator">*</span> aspectRatio);
m_graph<span class="operator">-</span><span class="operator">></span>axisZ()<span class="operator">-</span><span class="operator">></span>setRange(<span class="number">0.0f</span><span class="operator">,</span> areaHeight);
m_graph<span class="operator">-</span><span class="operator">></span>axisX()<span class="operator">-</span><span class="operator">></span>setLabelAutoRotation(<span class="number">30</span>);
m_graph<span class="operator">-</span><span class="operator">></span>axisY()<span class="operator">-</span><span class="operator">></span>setLabelAutoRotation(<span class="number">90</span>);
m_graph<span class="operator">-</span><span class="operator">></span>axisZ()<span class="operator">-</span><span class="operator">></span>setLabelAutoRotation(<span class="number">30</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>ThemePrimaryColors);
<span class="type">QFont</span> font <span class="operator">=</span> m_graph<span class="operator">-</span><span class="operator">></span>activeTheme()<span class="operator">-</span><span class="operator">></span>font();
font<span class="operator">.</span>setPointSize(<span class="number">20</span>);
m_graph<span class="operator">-</span><span class="operator">></span>activeTheme()<span class="operator">-</span><span class="operator">></span>setFont(font);
m_topography <span class="operator">=</span> <span class="keyword">new</span> TopographicSeries();
m_topography<span class="operator">-</span><span class="operator">></span>setTopographyFile(<span class="string">":/maps/topography"</span><span class="operator">,</span> areaWidth<span class="operator">,</span> areaHeight);
m_topography<span class="operator">-</span><span class="operator">></span>setItemLabelFormat(<span class="type">QStringLiteral</span>(<span class="string">"@yLabel m"</span>));
m_highlight <span class="operator">=</span> <span class="keyword">new</span> HighlightSeries();
m_highlight<span class="operator">-</span><span class="operator">></span>setTopographicSeries(m_topography);
m_highlight<span class="operator">-</span><span class="operator">></span>setMinHeight(minRange <span class="operator">*</span> aspectRatio);
m_highlight<span class="operator">-</span><span class="operator">></span>handleGradientChange(areaWidth <span class="operator">*</span> aspectRatio);
<span class="type">QObject</span><span class="operator">::</span>connect(m_graph<span class="operator">-</span><span class="operator">></span>axisY()<span class="operator">,</span> <span class="operator">&</span>QValue3DAxis<span class="operator">::</span>maxChanged<span class="operator">,</span>
m_highlight<span class="operator">,</span> <span class="operator">&</span>HighlightSeries<span class="operator">::</span>handleGradientChange);
m_graph<span class="operator">-</span><span class="operator">></span>addSeries(m_topography);
m_graph<span class="operator">-</span><span class="operator">></span>addSeries(m_highlight);
m_inputHandler <span class="operator">=</span> <span class="keyword">new</span> CustomInputHandler(m_graph);
m_inputHandler<span class="operator">-</span><span class="operator">></span>setHighlightSeries(m_highlight);
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>axisY()<span class="operator">,</span> m_graph<span class="operator">-</span><span class="operator">></span>axisZ());
m_inputHandler<span class="operator">-</span><span class="operator">></span>setLimits(<span class="number">0.0f</span><span class="operator">,</span> areaWidth<span class="operator">,</span> minRange);
m_inputHandler<span class="operator">-</span><span class="operator">></span>setAspectRatio(aspectRatio);
m_graph<span class="operator">-</span><span class="operator">></span>setActiveInputHandler(m_inputHandler);
}
SurfaceGraph<span class="operator">::</span><span class="operator">~</span>SurfaceGraph()
{
<span class="keyword">delete</span> m_graph;
}
<span class="type">void</span> SurfaceGraph<span class="operator">::</span>toggleSurfaceTexture(bool enable)
{
<span class="keyword">if</span> (enable)
m_topography<span class="operator">-</span><span class="operator">></span>setTextureFile(<span class="string">":/maps/maptexture"</span>);
<span class="keyword">else</span>
m_topography<span class="operator">-</span><span class="operator">></span>setTextureFile(<span class="string">""</span>);
}
</pre>
</div>
<!-- @@@texturesurface/surfacegraph.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>
distrib
>
Mageia
>
7
>
armv7hl
>
media
>
core-updates
>
by-pkgid
>
845e36bb3ecce380666d628d88446962
>
files
>
361
