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<h1 class="title">main.cpp Example File</h1>
<span class="subtitle">volumetric/main.cpp</span>
<!-- $$$volumetric/main.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 &quot;volumetric.h&quot;</span>

  <span class="preprocessor">#include &lt;QtWidgets/QApplication&gt;</span>
  <span class="preprocessor">#include &lt;QtWidgets/QWidget&gt;</span>
  <span class="preprocessor">#include &lt;QtWidgets/QHBoxLayout&gt;</span>
  <span class="preprocessor">#include &lt;QtWidgets/QVBoxLayout&gt;</span>
  <span class="preprocessor">#include &lt;QtWidgets/QRadioButton&gt;</span>
  <span class="preprocessor">#include &lt;QtWidgets/QSlider&gt;</span>
  <span class="preprocessor">#include &lt;QtWidgets/QCheckBox&gt;</span>
  <span class="preprocessor">#include &lt;QtWidgets/QLabel&gt;</span>
  <span class="preprocessor">#include &lt;QtWidgets/QGroupBox&gt;</span>
  <span class="preprocessor">#include &lt;QtWidgets/QMessageBox&gt;</span>
  <span class="preprocessor">#include &lt;QtGui/QScreen&gt;</span>

  <span class="type">int</span> main(<span class="type">int</span> argc<span class="operator">,</span> <span class="type">char</span> <span class="operator">*</span><span class="operator">*</span>argv)
  {
      <span class="type">QApplication</span> app(argc<span class="operator">,</span> argv);
      <span class="type"><a href="q3dscatter.html">Q3DScatter</a></span> <span class="operator">*</span>graph <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="q3dscatter.html">Q3DScatter</a></span>();
      <span class="type">QWidget</span> <span class="operator">*</span>container <span class="operator">=</span> <span class="type">QWidget</span><span class="operator">::</span>createWindowContainer(graph);

      <span class="keyword">if</span> (<span class="operator">!</span>graph<span class="operator">-</span><span class="operator">&gt;</span>hasContext()) {
          <span class="type">QMessageBox</span> msgBox;
          msgBox<span class="operator">.</span>setText(<span class="string">&quot;Couldn't initialize the OpenGL context.&quot;</span>);
          msgBox<span class="operator">.</span>exec();
          <span class="keyword">return</span> <span class="operator">-</span><span class="number">1</span>;
      }

      <span class="type">QSize</span> screenSize <span class="operator">=</span> graph<span class="operator">-</span><span class="operator">&gt;</span>screen()<span class="operator">-</span><span class="operator">&gt;</span>size();
      container<span class="operator">-</span><span class="operator">&gt;</span>setMinimumSize(<span class="type">QSize</span>(screenSize<span class="operator">.</span>width() <span class="operator">/</span> <span class="number">3</span><span class="operator">,</span> screenSize<span class="operator">.</span>height() <span class="operator">/</span> <span class="number">3</span>));
      container<span class="operator">-</span><span class="operator">&gt;</span>setMaximumSize(screenSize);
      container<span class="operator">-</span><span class="operator">&gt;</span>setSizePolicy(<span class="type">QSizePolicy</span><span class="operator">::</span>Expanding<span class="operator">,</span> <span class="type">QSizePolicy</span><span class="operator">::</span>Expanding);
      container<span class="operator">-</span><span class="operator">&gt;</span>setFocusPolicy(<span class="type">Qt</span><span class="operator">::</span>StrongFocus);

      <span class="type">QWidget</span> <span class="operator">*</span>widget <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QWidget</span>();
      <span class="type">QHBoxLayout</span> <span class="operator">*</span>hLayout <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QHBoxLayout</span>(widget);
      <span class="type">QVBoxLayout</span> <span class="operator">*</span>vLayout <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QVBoxLayout</span>();
      <span class="type">QVBoxLayout</span> <span class="operator">*</span>vLayout2 <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QVBoxLayout</span>();
      hLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(container<span class="operator">,</span> <span class="number">1</span>);
      hLayout<span class="operator">-</span><span class="operator">&gt;</span>addLayout(vLayout);
      hLayout<span class="operator">-</span><span class="operator">&gt;</span>addLayout(vLayout2);

      widget<span class="operator">-</span><span class="operator">&gt;</span>setWindowTitle(<span class="type">QStringLiteral</span>(<span class="string">&quot;Volumetric object example - 3D terrain&quot;</span>));

      <span class="type">QCheckBox</span> <span class="operator">*</span>sliceXCheckBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QCheckBox</span>(widget);
      sliceXCheckBox<span class="operator">-</span><span class="operator">&gt;</span>setText(<span class="type">QStringLiteral</span>(<span class="string">&quot;Slice volume on X axis&quot;</span>));
      sliceXCheckBox<span class="operator">-</span><span class="operator">&gt;</span>setChecked(<span class="keyword">false</span>);
      <span class="type">QCheckBox</span> <span class="operator">*</span>sliceYCheckBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QCheckBox</span>(widget);
      sliceYCheckBox<span class="operator">-</span><span class="operator">&gt;</span>setText(<span class="type">QStringLiteral</span>(<span class="string">&quot;Slice volume on Y axis&quot;</span>));
      sliceYCheckBox<span class="operator">-</span><span class="operator">&gt;</span>setChecked(<span class="keyword">false</span>);
      <span class="type">QCheckBox</span> <span class="operator">*</span>sliceZCheckBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QCheckBox</span>(widget);
      sliceZCheckBox<span class="operator">-</span><span class="operator">&gt;</span>setText(<span class="type">QStringLiteral</span>(<span class="string">&quot;Slice volume on Z axis&quot;</span>));
      sliceZCheckBox<span class="operator">-</span><span class="operator">&gt;</span>setChecked(<span class="keyword">false</span>);

      <span class="type">QSlider</span> <span class="operator">*</span>sliceXSlider <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QSlider</span>(<span class="type">Qt</span><span class="operator">::</span>Horizontal<span class="operator">,</span> widget);
      sliceXSlider<span class="operator">-</span><span class="operator">&gt;</span>setMinimum(<span class="number">0</span>);
      sliceXSlider<span class="operator">-</span><span class="operator">&gt;</span>setMaximum(<span class="number">1024</span>);
      sliceXSlider<span class="operator">-</span><span class="operator">&gt;</span>setValue(<span class="number">512</span>);
      sliceXSlider<span class="operator">-</span><span class="operator">&gt;</span>setEnabled(<span class="keyword">true</span>);
      <span class="type">QSlider</span> <span class="operator">*</span>sliceYSlider <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QSlider</span>(<span class="type">Qt</span><span class="operator">::</span>Horizontal<span class="operator">,</span> widget);
      sliceYSlider<span class="operator">-</span><span class="operator">&gt;</span>setMinimum(<span class="number">0</span>);
      sliceYSlider<span class="operator">-</span><span class="operator">&gt;</span>setMaximum(<span class="number">1024</span>);
      sliceYSlider<span class="operator">-</span><span class="operator">&gt;</span>setValue(<span class="number">512</span>);
      sliceYSlider<span class="operator">-</span><span class="operator">&gt;</span>setEnabled(<span class="keyword">true</span>);
      <span class="type">QSlider</span> <span class="operator">*</span>sliceZSlider <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QSlider</span>(<span class="type">Qt</span><span class="operator">::</span>Horizontal<span class="operator">,</span> widget);
      sliceZSlider<span class="operator">-</span><span class="operator">&gt;</span>setMinimum(<span class="number">0</span>);
      sliceZSlider<span class="operator">-</span><span class="operator">&gt;</span>setMaximum(<span class="number">1024</span>);
      sliceZSlider<span class="operator">-</span><span class="operator">&gt;</span>setValue(<span class="number">512</span>);
      sliceZSlider<span class="operator">-</span><span class="operator">&gt;</span>setEnabled(<span class="keyword">true</span>);

      <span class="type">QCheckBox</span> <span class="operator">*</span>fpsCheckBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QCheckBox</span>(widget);
      fpsCheckBox<span class="operator">-</span><span class="operator">&gt;</span>setText(<span class="type">QStringLiteral</span>(<span class="string">&quot;Show FPS&quot;</span>));
      fpsCheckBox<span class="operator">-</span><span class="operator">&gt;</span>setChecked(<span class="keyword">false</span>);
      <span class="type">QLabel</span> <span class="operator">*</span>fpsLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QLabel</span>(<span class="type">QStringLiteral</span>(<span class="string">&quot;&quot;</span>)<span class="operator">,</span> widget);

      <span class="type">QGroupBox</span> <span class="operator">*</span>textureDetailGroupBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QGroupBox</span>(<span class="type">QStringLiteral</span>(<span class="string">&quot;Texture detail&quot;</span>));

      <span class="type">QRadioButton</span> <span class="operator">*</span>lowDetailRB <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QRadioButton</span>(widget);
      lowDetailRB<span class="operator">-</span><span class="operator">&gt;</span>setText(<span class="type">QStringLiteral</span>(<span class="string">&quot;Low (128x64x128)&quot;</span>));
      lowDetailRB<span class="operator">-</span><span class="operator">&gt;</span>setChecked(<span class="keyword">true</span>);

      <span class="type">QRadioButton</span> <span class="operator">*</span>mediumDetailRB <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QRadioButton</span>(widget);
      mediumDetailRB<span class="operator">-</span><span class="operator">&gt;</span>setText(<span class="type">QStringLiteral</span>(<span class="string">&quot;Generating...&quot;</span>));
      mediumDetailRB<span class="operator">-</span><span class="operator">&gt;</span>setChecked(<span class="keyword">false</span>);
      mediumDetailRB<span class="operator">-</span><span class="operator">&gt;</span>setEnabled(<span class="keyword">false</span>);

      <span class="type">QRadioButton</span> <span class="operator">*</span>highDetailRB <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QRadioButton</span>(widget);
      highDetailRB<span class="operator">-</span><span class="operator">&gt;</span>setText(<span class="type">QStringLiteral</span>(<span class="string">&quot;Generating...&quot;</span>));
      highDetailRB<span class="operator">-</span><span class="operator">&gt;</span>setChecked(<span class="keyword">false</span>);
      highDetailRB<span class="operator">-</span><span class="operator">&gt;</span>setEnabled(<span class="keyword">false</span>);

      <span class="type">QVBoxLayout</span> <span class="operator">*</span>textureDetailVBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QVBoxLayout</span>;
      textureDetailVBox<span class="operator">-</span><span class="operator">&gt;</span>addWidget(lowDetailRB);
      textureDetailVBox<span class="operator">-</span><span class="operator">&gt;</span>addWidget(mediumDetailRB);
      textureDetailVBox<span class="operator">-</span><span class="operator">&gt;</span>addWidget(highDetailRB);
      textureDetailGroupBox<span class="operator">-</span><span class="operator">&gt;</span>setLayout(textureDetailVBox);

      <span class="type">QGroupBox</span> <span class="operator">*</span>areaGroupBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QGroupBox</span>(<span class="type">QStringLiteral</span>(<span class="string">&quot;Show area&quot;</span>));

      <span class="type">QRadioButton</span> <span class="operator">*</span>areaAllRB <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QRadioButton</span>(widget);
      areaAllRB<span class="operator">-</span><span class="operator">&gt;</span>setText(<span class="type">QStringLiteral</span>(<span class="string">&quot;Whole region&quot;</span>));
      areaAllRB<span class="operator">-</span><span class="operator">&gt;</span>setChecked(<span class="keyword">true</span>);

      <span class="type">QRadioButton</span> <span class="operator">*</span>areaMineRB <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QRadioButton</span>(widget);
      areaMineRB<span class="operator">-</span><span class="operator">&gt;</span>setText(<span class="type">QStringLiteral</span>(<span class="string">&quot;The mine&quot;</span>));
      areaMineRB<span class="operator">-</span><span class="operator">&gt;</span>setChecked(<span class="keyword">false</span>);

      <span class="type">QRadioButton</span> <span class="operator">*</span>areaMountainRB <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QRadioButton</span>(widget);
      areaMountainRB<span class="operator">-</span><span class="operator">&gt;</span>setText(<span class="type">QStringLiteral</span>(<span class="string">&quot;The mountain&quot;</span>));
      areaMountainRB<span class="operator">-</span><span class="operator">&gt;</span>setChecked(<span class="keyword">false</span>);

      <span class="type">QVBoxLayout</span> <span class="operator">*</span>areaVBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QVBoxLayout</span>;
      areaVBox<span class="operator">-</span><span class="operator">&gt;</span>addWidget(areaAllRB);
      areaVBox<span class="operator">-</span><span class="operator">&gt;</span>addWidget(areaMineRB);
      areaVBox<span class="operator">-</span><span class="operator">&gt;</span>addWidget(areaMountainRB);
      areaGroupBox<span class="operator">-</span><span class="operator">&gt;</span>setLayout(areaVBox);

      <span class="type">QCheckBox</span> <span class="operator">*</span>colorTableCheckBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QCheckBox</span>(widget);
      colorTableCheckBox<span class="operator">-</span><span class="operator">&gt;</span>setText(<span class="type">QStringLiteral</span>(<span class="string">&quot;Alternate color table&quot;</span>));
      colorTableCheckBox<span class="operator">-</span><span class="operator">&gt;</span>setChecked(<span class="keyword">false</span>);

      <span class="type">QLabel</span> <span class="operator">*</span>sliceImageXLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QLabel</span>(widget);
      <span class="type">QLabel</span> <span class="operator">*</span>sliceImageYLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QLabel</span>(widget);
      <span class="type">QLabel</span> <span class="operator">*</span>sliceImageZLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QLabel</span>(widget);
      sliceImageXLabel<span class="operator">-</span><span class="operator">&gt;</span>setMinimumSize(<span class="type">QSize</span>(<span class="number">200</span><span class="operator">,</span> <span class="number">100</span>));
      sliceImageYLabel<span class="operator">-</span><span class="operator">&gt;</span>setMinimumSize(<span class="type">QSize</span>(<span class="number">200</span><span class="operator">,</span> <span class="number">200</span>));
      sliceImageZLabel<span class="operator">-</span><span class="operator">&gt;</span>setMinimumSize(<span class="type">QSize</span>(<span class="number">200</span><span class="operator">,</span> <span class="number">100</span>));
      sliceImageXLabel<span class="operator">-</span><span class="operator">&gt;</span>setMaximumSize(<span class="type">QSize</span>(<span class="number">200</span><span class="operator">,</span> <span class="number">100</span>));
      sliceImageYLabel<span class="operator">-</span><span class="operator">&gt;</span>setMaximumSize(<span class="type">QSize</span>(<span class="number">200</span><span class="operator">,</span> <span class="number">200</span>));
      sliceImageZLabel<span class="operator">-</span><span class="operator">&gt;</span>setMaximumSize(<span class="type">QSize</span>(<span class="number">200</span><span class="operator">,</span> <span class="number">100</span>));
      sliceImageXLabel<span class="operator">-</span><span class="operator">&gt;</span>setFrameShape(<span class="type">QFrame</span><span class="operator">::</span>Box);
      sliceImageYLabel<span class="operator">-</span><span class="operator">&gt;</span>setFrameShape(<span class="type">QFrame</span><span class="operator">::</span>Box);
      sliceImageZLabel<span class="operator">-</span><span class="operator">&gt;</span>setFrameShape(<span class="type">QFrame</span><span class="operator">::</span>Box);
      sliceImageXLabel<span class="operator">-</span><span class="operator">&gt;</span>setScaledContents(<span class="keyword">true</span>);
      sliceImageYLabel<span class="operator">-</span><span class="operator">&gt;</span>setScaledContents(<span class="keyword">true</span>);
      sliceImageZLabel<span class="operator">-</span><span class="operator">&gt;</span>setScaledContents(<span class="keyword">true</span>);

      <span class="type">QSlider</span> <span class="operator">*</span>alphaMultiplierSlider <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QSlider</span>(<span class="type">Qt</span><span class="operator">::</span>Horizontal<span class="operator">,</span> widget);
      alphaMultiplierSlider<span class="operator">-</span><span class="operator">&gt;</span>setMinimum(<span class="number">0</span>);
      alphaMultiplierSlider<span class="operator">-</span><span class="operator">&gt;</span>setMaximum(<span class="number">139</span>);
      alphaMultiplierSlider<span class="operator">-</span><span class="operator">&gt;</span>setValue(<span class="number">100</span>);
      alphaMultiplierSlider<span class="operator">-</span><span class="operator">&gt;</span>setEnabled(<span class="keyword">true</span>);
      <span class="type">QLabel</span> <span class="operator">*</span>alphaMultiplierLabel <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QLabel</span>(<span class="type">QStringLiteral</span>(<span class="string">&quot;Alpha multiplier: 1.0&quot;</span>));

      <span class="type">QCheckBox</span> <span class="operator">*</span>preserveOpacityCheckBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QCheckBox</span>(widget);
      preserveOpacityCheckBox<span class="operator">-</span><span class="operator">&gt;</span>setText(<span class="type">QStringLiteral</span>(<span class="string">&quot;Preserve opacity&quot;</span>));
      preserveOpacityCheckBox<span class="operator">-</span><span class="operator">&gt;</span>setChecked(<span class="keyword">true</span>);

      <span class="type">QCheckBox</span> <span class="operator">*</span>transparentGroundCheckBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QCheckBox</span>(widget);
      transparentGroundCheckBox<span class="operator">-</span><span class="operator">&gt;</span>setText(<span class="type">QStringLiteral</span>(<span class="string">&quot;Transparent ground&quot;</span>));
      transparentGroundCheckBox<span class="operator">-</span><span class="operator">&gt;</span>setChecked(<span class="keyword">false</span>);

      <span class="type">QCheckBox</span> <span class="operator">*</span>useHighDefShaderCheckBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QCheckBox</span>(widget);
      useHighDefShaderCheckBox<span class="operator">-</span><span class="operator">&gt;</span>setText(<span class="type">QStringLiteral</span>(<span class="string">&quot;Use HD shader&quot;</span>));
      useHighDefShaderCheckBox<span class="operator">-</span><span class="operator">&gt;</span>setChecked(<span class="keyword">true</span>);

      <span class="type">QLabel</span> <span class="operator">*</span>performanceNoteLabel <span class="operator">=</span>
              <span class="keyword">new</span> <span class="type">QLabel</span>(<span class="type">QStringLiteral</span>(
                             <span class="string">&quot;Note: A high end graphics card is\nrecommended with the HD shader\nwhen the volume contains a lot of\ntransparent areas.&quot;</span>));
      performanceNoteLabel<span class="operator">-</span><span class="operator">&gt;</span>setFrameShape(<span class="type">QFrame</span><span class="operator">::</span>Box);

      <span class="type">QCheckBox</span> <span class="operator">*</span>drawSliceFramesCheckBox <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QCheckBox</span>(widget);
      drawSliceFramesCheckBox<span class="operator">-</span><span class="operator">&gt;</span>setText(<span class="type">QStringLiteral</span>(<span class="string">&quot;Draw slice frames&quot;</span>));
      drawSliceFramesCheckBox<span class="operator">-</span><span class="operator">&gt;</span>setChecked(<span class="keyword">false</span>);

      vLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(sliceXCheckBox);
      vLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(sliceXSlider);
      vLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(sliceImageXLabel);
      vLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(sliceYCheckBox);
      vLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(sliceYSlider);
      vLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(sliceImageYLabel);
      vLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(sliceZCheckBox);
      vLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(sliceZSlider);
      vLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(sliceImageZLabel);
      vLayout<span class="operator">-</span><span class="operator">&gt;</span>addWidget(drawSliceFramesCheckBox<span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="type">Qt</span><span class="operator">::</span>AlignTop);
      vLayout2<span class="operator">-</span><span class="operator">&gt;</span>addWidget(fpsCheckBox);
      vLayout2<span class="operator">-</span><span class="operator">&gt;</span>addWidget(fpsLabel);
      vLayout2<span class="operator">-</span><span class="operator">&gt;</span>addWidget(textureDetailGroupBox);
      vLayout2<span class="operator">-</span><span class="operator">&gt;</span>addWidget(areaGroupBox);
      vLayout2<span class="operator">-</span><span class="operator">&gt;</span>addWidget(colorTableCheckBox);
      vLayout2<span class="operator">-</span><span class="operator">&gt;</span>addWidget(alphaMultiplierLabel);
      vLayout2<span class="operator">-</span><span class="operator">&gt;</span>addWidget(alphaMultiplierSlider);
      vLayout2<span class="operator">-</span><span class="operator">&gt;</span>addWidget(preserveOpacityCheckBox);
      vLayout2<span class="operator">-</span><span class="operator">&gt;</span>addWidget(transparentGroundCheckBox);
      vLayout2<span class="operator">-</span><span class="operator">&gt;</span>addWidget(useHighDefShaderCheckBox);
      vLayout2<span class="operator">-</span><span class="operator">&gt;</span>addWidget(performanceNoteLabel<span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="type">Qt</span><span class="operator">::</span>AlignTop);

      VolumetricModifier <span class="operator">*</span>modifier <span class="operator">=</span> <span class="keyword">new</span> VolumetricModifier(graph);
      modifier<span class="operator">-</span><span class="operator">&gt;</span>setFpsLabel(fpsLabel);
      modifier<span class="operator">-</span><span class="operator">&gt;</span>setMediumDetailRB(mediumDetailRB);
      modifier<span class="operator">-</span><span class="operator">&gt;</span>setHighDetailRB(highDetailRB);
      modifier<span class="operator">-</span><span class="operator">&gt;</span>setSliceSliders(sliceXSlider<span class="operator">,</span> sliceYSlider<span class="operator">,</span> sliceZSlider);
      modifier<span class="operator">-</span><span class="operator">&gt;</span>setSliceLabels(sliceImageXLabel<span class="operator">,</span> sliceImageYLabel<span class="operator">,</span> sliceImageZLabel);
      modifier<span class="operator">-</span><span class="operator">&gt;</span>setAlphaMultiplierLabel(alphaMultiplierLabel);
      modifier<span class="operator">-</span><span class="operator">&gt;</span>setTransparentGround(transparentGroundCheckBox<span class="operator">-</span><span class="operator">&gt;</span>isChecked());

      <span class="type">QObject</span><span class="operator">::</span>connect(fpsCheckBox<span class="operator">,</span> <span class="operator">&amp;</span><span class="type">QCheckBox</span><span class="operator">::</span>stateChanged<span class="operator">,</span> modifier<span class="operator">,</span>
                       <span class="operator">&amp;</span>VolumetricModifier<span class="operator">::</span>setFpsMeasurement);
      <span class="type">QObject</span><span class="operator">::</span>connect(sliceXCheckBox<span class="operator">,</span> <span class="operator">&amp;</span><span class="type">QCheckBox</span><span class="operator">::</span>stateChanged<span class="operator">,</span> modifier<span class="operator">,</span>
                       <span class="operator">&amp;</span>VolumetricModifier<span class="operator">::</span>sliceX);
      <span class="type">QObject</span><span class="operator">::</span>connect(sliceYCheckBox<span class="operator">,</span> <span class="operator">&amp;</span><span class="type">QCheckBox</span><span class="operator">::</span>stateChanged<span class="operator">,</span> modifier<span class="operator">,</span>
                       <span class="operator">&amp;</span>VolumetricModifier<span class="operator">::</span>sliceY);
      <span class="type">QObject</span><span class="operator">::</span>connect(sliceZCheckBox<span class="operator">,</span> <span class="operator">&amp;</span><span class="type">QCheckBox</span><span class="operator">::</span>stateChanged<span class="operator">,</span> modifier<span class="operator">,</span>
                       <span class="operator">&amp;</span>VolumetricModifier<span class="operator">::</span>sliceZ);
      <span class="type">QObject</span><span class="operator">::</span>connect(sliceXSlider<span class="operator">,</span> <span class="operator">&amp;</span><span class="type">QSlider</span><span class="operator">::</span>valueChanged<span class="operator">,</span> modifier<span class="operator">,</span>
                       <span class="operator">&amp;</span>VolumetricModifier<span class="operator">::</span>adjustSliceX);
      <span class="type">QObject</span><span class="operator">::</span>connect(sliceYSlider<span class="operator">,</span> <span class="operator">&amp;</span><span class="type">QSlider</span><span class="operator">::</span>valueChanged<span class="operator">,</span> modifier<span class="operator">,</span>
                       <span class="operator">&amp;</span>VolumetricModifier<span class="operator">::</span>adjustSliceY);
      <span class="type">QObject</span><span class="operator">::</span>connect(sliceZSlider<span class="operator">,</span> <span class="operator">&amp;</span><span class="type">QSlider</span><span class="operator">::</span>valueChanged<span class="operator">,</span> modifier<span class="operator">,</span>
                       <span class="operator">&amp;</span>VolumetricModifier<span class="operator">::</span>adjustSliceZ);
      <span class="type">QObject</span><span class="operator">::</span>connect(lowDetailRB<span class="operator">,</span> <span class="operator">&amp;</span><span class="type">QRadioButton</span><span class="operator">::</span>toggled<span class="operator">,</span> modifier<span class="operator">,</span>
                       <span class="operator">&amp;</span>VolumetricModifier<span class="operator">::</span>toggleLowDetail);
      <span class="type">QObject</span><span class="operator">::</span>connect(mediumDetailRB<span class="operator">,</span> <span class="operator">&amp;</span><span class="type">QRadioButton</span><span class="operator">::</span>toggled<span class="operator">,</span> modifier<span class="operator">,</span>
                       <span class="operator">&amp;</span>VolumetricModifier<span class="operator">::</span>toggleMediumDetail);
      <span class="type">QObject</span><span class="operator">::</span>connect(highDetailRB<span class="operator">,</span> <span class="operator">&amp;</span><span class="type">QRadioButton</span><span class="operator">::</span>toggled<span class="operator">,</span> modifier<span class="operator">,</span>
                       <span class="operator">&amp;</span>VolumetricModifier<span class="operator">::</span>toggleHighDetail);
      <span class="type">QObject</span><span class="operator">::</span>connect(colorTableCheckBox<span class="operator">,</span> <span class="operator">&amp;</span><span class="type">QCheckBox</span><span class="operator">::</span>stateChanged<span class="operator">,</span> modifier<span class="operator">,</span>
                       <span class="operator">&amp;</span>VolumetricModifier<span class="operator">::</span>changeColorTable);
      <span class="type">QObject</span><span class="operator">::</span>connect(preserveOpacityCheckBox<span class="operator">,</span> <span class="operator">&amp;</span><span class="type">QCheckBox</span><span class="operator">::</span>stateChanged<span class="operator">,</span> modifier<span class="operator">,</span>
                       <span class="operator">&amp;</span>VolumetricModifier<span class="operator">::</span>setPreserveOpacity);
      <span class="type">QObject</span><span class="operator">::</span>connect(transparentGroundCheckBox<span class="operator">,</span> <span class="operator">&amp;</span><span class="type">QCheckBox</span><span class="operator">::</span>stateChanged<span class="operator">,</span> modifier<span class="operator">,</span>
                       <span class="operator">&amp;</span>VolumetricModifier<span class="operator">::</span>setTransparentGround);
      <span class="type">QObject</span><span class="operator">::</span>connect(useHighDefShaderCheckBox<span class="operator">,</span> <span class="operator">&amp;</span><span class="type">QCheckBox</span><span class="operator">::</span>stateChanged<span class="operator">,</span> modifier<span class="operator">,</span>
                       <span class="operator">&amp;</span>VolumetricModifier<span class="operator">::</span>setUseHighDefShader);
      <span class="type">QObject</span><span class="operator">::</span>connect(alphaMultiplierSlider<span class="operator">,</span> <span class="operator">&amp;</span><span class="type">QSlider</span><span class="operator">::</span>valueChanged<span class="operator">,</span> modifier<span class="operator">,</span>
                       <span class="operator">&amp;</span>VolumetricModifier<span class="operator">::</span>adjustAlphaMultiplier);
      <span class="type">QObject</span><span class="operator">::</span>connect(areaAllRB<span class="operator">,</span> <span class="operator">&amp;</span><span class="type">QRadioButton</span><span class="operator">::</span>toggled<span class="operator">,</span> modifier<span class="operator">,</span>
                       <span class="operator">&amp;</span>VolumetricModifier<span class="operator">::</span>toggleAreaAll);
      <span class="type">QObject</span><span class="operator">::</span>connect(areaMineRB<span class="operator">,</span> <span class="operator">&amp;</span><span class="type">QRadioButton</span><span class="operator">::</span>toggled<span class="operator">,</span> modifier<span class="operator">,</span>
                       <span class="operator">&amp;</span>VolumetricModifier<span class="operator">::</span>toggleAreaMine);
      <span class="type">QObject</span><span class="operator">::</span>connect(areaMountainRB<span class="operator">,</span> <span class="operator">&amp;</span><span class="type">QRadioButton</span><span class="operator">::</span>toggled<span class="operator">,</span> modifier<span class="operator">,</span>
                       <span class="operator">&amp;</span>VolumetricModifier<span class="operator">::</span>toggleAreaMountain);
      <span class="type">QObject</span><span class="operator">::</span>connect(drawSliceFramesCheckBox<span class="operator">,</span> <span class="operator">&amp;</span><span class="type">QCheckBox</span><span class="operator">::</span>stateChanged<span class="operator">,</span> modifier<span class="operator">,</span>
                       <span class="operator">&amp;</span>VolumetricModifier<span class="operator">::</span>setDrawSliceFrames);

      widget<span class="operator">-</span><span class="operator">&gt;</span>show();
      <span class="keyword">return</span> app<span class="operator">.</span>exec();
  }

</pre>
</div>
<!-- @@@volumetric/main.cpp -->
        </div>
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   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
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