git.gag.com Git - debian/gnuradio/blob - gr-qtgui/src/lib/FrequencyDisplayPlot.h

   1 #ifndef FREQUENCY_DISPLAY_PLOT_HPP
   2 #define FREQUENCY_DISPLAY_PLOT_HPP
   3
   4 #include <qwt_plot.h>
   5 #include <qwt_painter.h>
   6 #include <qwt_plot_canvas.h>
   7 #include <qwt_plot_curve.h>
   8 #include <qwt_scale_engine.h>
   9 #include <qwt_scale_widget.h>
  10 #include <qwt_plot_zoomer.h>
  11 #include <qwt_plot_panner.h>
  12 #include <qwt_plot_marker.h>
  13 #include <highResTimeFunctions.h>
  14 #include <qwt_symbol.h>
  15
  16 class FrequencyDisplayPlot:public QwtPlot{
  17   Q_OBJECT
  18
  19 public:
  20   FrequencyDisplayPlot(QWidget*);
  21   virtual ~FrequencyDisplayPlot();
  22
  23   void SetFrequencyRange(const double, const double,
  24                          const double, const bool,
  25                          const double units=1000.0,
  26                          const std::string &strunits = "kHz");
  27   double GetStartFrequency()const;
  28   double GetStopFrequency()const;
  29
  30   void PlotNewData(const double* dataPoints, const int64_t numDataPoints,
  31                    const double noiseFloorAmplitude, const double peakFrequency,
  32                    const double peakAmplitude);
  33
  34   void ClearMaxData();
  35   void ClearMinData();
  36
  37   void SetMaxFFTVisible(const bool);
  38   void SetMinFFTVisible(const bool);
  39
  40   virtual void replot();
  41
  42 public slots:
  43   void SetLowerIntensityLevel(const double);
  44   void SetUpperIntensityLevel(const double);
  45
  46 protected:
  47
  48 private:
  49   void _resetXAxisPoints();
  50
  51   double _startFrequency;
  52   double _stopFrequency;
  53
  54   QwtPlotCurve* _fft_plot_curve;
  55   QwtPlotCurve* _min_fft_plot_curve;
  56   QwtPlotCurve* _max_fft_plot_curve;
  57
  58   QwtPlotMarker* _lower_intensity_marker;
  59   QwtPlotMarker* _upper_intensity_marker;
  60
  61   QwtPlotPanner* _panner;
  62   QwtPlotZoomer* _zoomer;
  63
  64   QwtPlotMarker *_markerPeakAmplitude;
  65   QwtPlotMarker *_markerNoiseFloorAmplitude;
  66
  67   double* _dataPoints;
  68   double* _xAxisPoints;
  69
  70   double* _minFFTPoints;
  71   double* _maxFFTPoints;
  72   int64_t _numPoints;
  73
  74   double _peakFrequency;
  75   double _peakAmplitude;
  76
  77   double _noiseFloorAmplitude;
  78
  79   timespec _lastReplot;
  80
  81   bool _useCenterFrequencyFlag;
  82
  83   double _displayIntervalTime;
  84 };
  85
  86 #endif /* FREQUENCY_DISPLAY_PLOT_HPP */