FunnelChart3D Example
#include <QtitanChart.h>
#include "DemoChartWindow.h"
class QSlider;
class MainWindow : public DemoChartWindow
{
    Q_OBJECT
public:
    MainWindow();
protected:
    void createSeriesParametrs();
    void createFunnelSeries();
    virtual void updateValueParameters();
protected slots:
    void transparencyChanged(int value);
    void pointGapChanged(int value);
    void neckHeightInPercentsChanged(int value);
    void labelsPositionChanged(int);
protected:
    QSlider* m_transparency;
    QSlider* m_gapSize;
    QSlider* m_neckHeightInPercents;
private:
    Q_DISABLE_COPY(MainWindow)
};