volumetric.h Example File

volumetric/volumetric.h
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 #ifndef VOLUMETRICMODIFIER_H
 #define VOLUMETRICMODIFIER_H

 #include <QtDataVisualization/q3dscatter.h>
 #include <QtDataVisualization/qcustom3dvolume.h>
 #include <QtCore/QTimer>
 #include <QtGui/QRgb>
 #include <QtWidgets/QLabel>
 #include <QtWidgets/QSlider>
 #include <QtWidgets/QRadioButton>

 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 Q_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