--- /dev/null
+#ifndef WATERFALL_GLOBAL_DATA_HPP
+#define WATERFALL_GLOBAL_DATA_HPP
+
+#include <qwt_raster_data.h>
+#include <qwt3d_function.h>
+
+class Waterfall3DDisplayPlot;
+
+class WaterfallData: public QwtRasterData
+{
+public:
+ WaterfallData(const double, const double, const uint64_t, const unsigned int);
+ virtual ~WaterfallData();
+
+ virtual void Reset();
+ virtual void Copy(const WaterfallData*);
+
+ virtual void ResizeData(const double, const double, const uint64_t);
+
+ virtual QwtRasterData *copy() const;
+ virtual QwtDoubleInterval range() const;
+ virtual void setRange(const QwtDoubleInterval&);
+
+ virtual double value(double x, double y) const;
+
+ virtual uint64_t GetNumFFTPoints()const;
+ virtual void addFFTData(const double*, const uint64_t, const int);
+
+ virtual double* GetSpectrumDataBuffer()const;
+ virtual void SetSpectrumDataBuffer(const double*);
+
+ virtual int GetNumLinesToUpdate()const;
+ virtual void SetNumLinesToUpdate(const int);
+ virtual void IncrementNumLinesToUpdate();
+
+protected:
+
+ double* _spectrumData;
+ uint64_t _fftPoints;
+ uint64_t _historyLength;
+ int _numLinesToUpdate;
+ QwtDoubleInterval _intensityRange;
+
+private:
+
+};
+
+class Waterfall3DData: public WaterfallData, public Qwt3D::Function
+{
+public:
+ Waterfall3DData(const double, const double, const uint64_t, const unsigned int);
+ virtual ~Waterfall3DData();
+
+ virtual void ResizeData(const double, const double, const uint64_t);
+
+ virtual bool create();
+ virtual void setMesh(unsigned int columns, unsigned int rows); //!< Sets number of rows and columns.
+
+ virtual double operator()(double x, double y);
+
+ virtual double GetFloorValue()const;
+ virtual void SetFloorValue(const double);
+
+ virtual double minZ()const;
+ virtual double maxZ()const;
+
+protected:
+ void _ResizeMesh();
+
+ double** data;
+ double _floorValue;
+
+private:
+
+};
+
+
+#endif /* WATERFALL_GLOBAL_DATA_HPP */