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diff --git a/examples/datavisualization/volumetric/volumetric.h b/examples/datavisualization/volumetric/volumetric.h
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+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc
+** All rights reserved.
+** For any questions to Digia, please use contact form at http://qt.digia.com
+**
+** This file is part of the QtDataVisualization module.
+**
+** Licensees holding valid Qt Enterprise licenses may use this file in
+** accordance with the Qt Enterprise License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.
+**
+** If you have questions regarding the use of this file, please use
+** contact form at http://qt.digia.com
+**
+****************************************************************************/
+
+#ifndef VOLUMETRICMODIFIER_H
+#define VOLUMETRICMODIFIER_H
+
+#include <QtDataVisualization/q3dscatter.h>
+#include <QtDataVisualization/qcustom3dvolume.h>
+#include <QtCore/QTimer>
+#include <QtGui/QRgb>
+
+class QLabel;
+class QRadioButton;
+class QSlider;
+
+using namespace QtDataVisualization;
+
+class VolumetricModifier : public QObject
+{
+    Q_OBJECT
+public:
+    explicit VolumetricModifier(Q3DScatter *scatter);
+    ~VolumetricModifier();
+
+    void setFpsLabel(QLabel *fpsLabel);
+    void setMediumDetailRB(QRadioButton *button);
+    void setHighDetailRB(QRadioButton *button);
+    void setSliceLabels(QLabel *xLabel, QLabel *yLabel, QLabel *zLabel);
+    void setAlphaMultiplierLabel(QLabel *label);
+
+public slots:
+    void sliceX(int enabled);
+    void sliceY(int enabled);
+    void sliceZ(int enabled);
+    void adjustSliceX(int value);
+    void adjustSliceY(int value);
+    void adjustSliceZ(int value);
+    void handleFpsChange(qreal fps);
+    void handleTimeout();
+    void toggleLowDetail(bool enabled);
+    void toggleMediumDetail(bool enabled);
+    void toggleHighDetail(bool enabled);
+    void setFpsMeasurement(bool enabled);
+    void setSliceSliders(QSlider *sliderX, QSlider *sliderY, QSlider *sliderZ);
+    void changeColorTable(int enabled);
+    void setPreserveOpacity(bool enabled);
+    void setTransparentGround(bool enabled);
+    void setUseHighDefShader(bool enabled);
+    void adjustAlphaMultiplier(int value);
+    void toggleAreaAll(bool enabled);
+    void toggleAreaMine(bool enabled);
+    void toggleAreaMountain(bool enabled);
+    void setDrawSliceFrames(int enabled);
+
+private:
+
+    void initHeightMap(QString fileName, QVector<uchar> &layerData);
+    void initMineShaftArray();
+    int createVolume(int textureSize, int startIndex, int count,
+                      QVector<uchar> *textureData);
+    int excavateMineShaft(int textureSize, int startIndex, int count,
+                          QVector<uchar> *textureData);
+    void excavateMineBlock(int textureSize, int dataIndex, int size, QVector<uchar> *textureData);
+    void handleSlicingChanges();
+
+    Q3DScatter *m_graph;
+    QCustom3DVolume *m_volumeItem;
+    int m_sliceIndexX;
+    int m_sliceIndexY;
+    int m_sliceIndexZ;
+    bool m_slicingX;
+    bool m_slicingY;
+    bool m_slicingZ;
+    QLabel *m_fpsLabel;
+    QRadioButton *m_mediumDetailRB;
+    QRadioButton *m_highDetailRB;
+    QVector<uchar> *m_lowDetailData;
+    QVector<uchar> *m_mediumDetailData;
+    QVector<uchar> *m_highDetailData;
+    QTimer m_timer;
+    int m_mediumDetailIndex;
+    int m_highDetailIndex;
+    int m_mediumDetailShaftIndex;
+    int m_highDetailShaftIndex;
+    QSlider *m_sliceSliderX;
+    QSlider *m_sliceSliderY;
+    QSlider *m_sliceSliderZ;
+    QVector<QRgb> m_colorTable1;
+    QVector<QRgb> m_colorTable2;
+    bool m_usingPrimaryTable;
+    QLabel *m_sliceLabelX;
+    QLabel *m_sliceLabelY;
+    QLabel *m_sliceLabelZ;
+    QLabel *m_alphaMultiplierLabel;
+    QVector<uchar> m_magmaLayer;
+    QVector<uchar> m_waterLayer;
+    QVector<uchar> m_groundLayer;
+    QVector<QPair<QVector3D, QVector3D> > m_mineShaftArray;
+};
+
+#endif