volumetric.h Example File

** 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.
** Commercial License Usage
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** accordance with the commercial license agreement provided with the
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** 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
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#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
    explicit VolumetricModifier(Q3DScatter *scatter);

    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);


    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;


© 2016 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation. 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.