GNU Radio Manual and C++ API Reference  3.7.5
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WaterfallDisplayPlot.h
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1 /* -*- c++ -*- */
2 /*
3  * Copyright 2008-2012 Free Software Foundation, Inc.
4  *
5  * This file is part of GNU Radio
6  *
7  * GNU Radio is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 3, or (at your option)
10  * any later version.
11  *
12  * GNU Radio is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with GNU Radio; see the file COPYING. If not, write to
19  * the Free Software Foundation, Inc., 51 Franklin Street,
20  * Boston, MA 02110-1301, USA.
21  */
22 
23 #ifndef WATERFALL_DISPLAY_PLOT_H
24 #define WATERFALL_DISPLAY_PLOT_H
25 
26 #include <stdint.h>
27 #include <cstdio>
28 #include <vector>
29 #include <qwt_plot_spectrogram.h>
33 
34 #if QWT_VERSION < 0x060000
36 #else
37 #include <qwt_compat.h>
38 #endif
39 
40 /*!
41  * \brief QWidget for displaying waterfall (spectrogram) plots.
42  * \ingroup qtgui_blk
43  */
45 {
46  Q_OBJECT
47 
51 
52 
53 public:
54  WaterfallDisplayPlot(int nplots, QWidget*);
55  virtual ~WaterfallDisplayPlot();
56 
57  void resetAxis();
58 
59  void setFrequencyRange(const double, const double,
60  const double units=1000.0,
61  const std::string &strunits = "kHz");
62  double getStartFrequency() const;
63  double getStopFrequency() const;
64 
65  void plotNewData(const std::vector<double*> dataPoints,
66  const int64_t numDataPoints,
67  const double timePerFFT,
68  const gr::high_res_timer_type timestamp,
69  const int droppedFrames);
70 
71  // to be removed
72  void plotNewData(const double* dataPoints,
73  const int64_t numDataPoints,
74  const double timePerFFT,
75  const gr::high_res_timer_type timestamp,
76  const int droppedFrames);
77 
78  void setIntensityRange(const double minIntensity, const double maxIntensity);
79  double getMinIntensity(int which) const;
80  double getMaxIntensity(int which) const;
81 
82  void replot(void);
83  void clearData();
84 
85  int getIntensityColorMapType(int) const;
86  int getIntensityColorMapType1() const;
87  const QColor getUserDefinedLowIntensityColor() const;
88  const QColor getUserDefinedHighIntensityColor() const;
89 
90  int getAlpha(int which);
91  void setAlpha(int which, int alpha);
92 
93 public slots:
94  void setIntensityColorMapType(const int, const int, const QColor, const QColor);
95  void setIntensityColorMapType1(int);
98 
99 signals:
100  void updatedLowerIntensityLevel(const double);
101  void updatedUpperIntensityLevel(const double);
102 
103 private:
104  void _updateIntensityRangeDisplay();
105 
106  double d_start_frequency;
107  double d_stop_frequency;
108  int d_xaxis_multiplier;
109 
110  std::vector<WaterfallData*> d_data;
111 
112 #if QWT_VERSION < 0x060000
113  std::vector<PlotWaterfall*> d_spectrogram;
114 #else
115  std::vector<QwtPlotSpectrogram*> d_spectrogram;
116 #endif
117 
118  std::vector<int> d_intensity_color_map_type;
119  QColor d_user_defined_low_intensity_color;
120  QColor d_user_defined_high_intensity_color;
121 };
122 
123 #endif /* WATERFALL_DISPLAY_PLOT_H */