updateDisplay();
}
+ void SetUnitType(const std::string &type)
+ {
+ _unitType = type;
+ }
+
protected:
virtual QwtText trackerText( const QwtDoublePoint& p ) const
{
- QwtText t(QString("%1 %2, %3 dB").arg(p.x(), 0, 'f', GetFrequencyPrecision()).arg( (GetFrequencyPrecision() == 0) ? "Hz" : "kHz").arg(p.y(), 0, 'f', 2));
-
+ QwtText t(QString("%1 %2, %3 dB").
+ arg(p.x(), 0, 'f', GetFrequencyPrecision()).
+ arg(_unitType.c_str()).arg(p.y(), 0, 'f', 2));
return t;
}
+
+private:
+ std::string _unitType;
};
FrequencyDisplayPlot::FrequencyDisplayPlot(QWidget* parent)
timespec_reset(&_lastReplot);
resize(parent->width(), parent->height());
-
- _displayIntervalTime = (1.0/10.0); // 1/10 of a second between updates
-
+
_useCenterFrequencyFlag = false;
_numPoints = 1024;
palette.setColor(canvas()->backgroundRole(), QColor("white"));
canvas()->setPalette(palette);
- setAxisScaleDraw(QwtPlot::xBottom, new FreqDisplayScaleDraw(0));
- setAxisScale(QwtPlot::xBottom, _startFrequency, _stopFrequency);
setAxisTitle(QwtPlot::xBottom, "Frequency (Hz)");
+ setAxisScaleDraw(QwtPlot::xBottom, new FreqDisplayScaleDraw(0));
_minYAxis = -120;
_maxYAxis = 10;
_upper_intensity_marker = new QwtPlotMarker();
_upper_intensity_marker->setLineStyle(QwtPlotMarker::HLine);
- _upper_intensity_marker->setLinePen(QPen(Qt::green));
+ _upper_intensity_marker->setLinePen(QPen(Qt::green, 0, Qt::DotLine));
_upper_intensity_marker->attach(this);
memset(_dataPoints, 0x0, _numPoints*sizeof(double));
_maxFFTPoints[number] = -280.0;
}
- _resetXAxisPoints();
-
-
// set up peak marker
QwtSymbol symbol;
const QColor c(Qt::darkRed);
_zoomer->setRubberBandPen(c);
_zoomer->setTrackerPen(c);
+
+ // Do this after the zoomer has been built
+ _resetXAxisPoints();
}
FrequencyDisplayPlot::~FrequencyDisplayPlot()
stopFreq = (stopFreq + centerFreq);
}
- _startFrequency = startFreq;
- _stopFrequency = stopFreq;
- _resetXAxisPoints();
-
- setAxisScale(QwtPlot::xBottom, _startFrequency, _stopFrequency);
- setAxisScaleDraw(QwtPlot::xBottom, new FreqDisplayScaleDraw(2));
- setAxisTitle(QwtPlot::xBottom, QString("Frequency (%1)").arg(strunits.c_str()));
- ((FreqDisplayZoomer*)_zoomer)->SetFrequencyPrecision(2);
-
- // Load up the new base zoom settings
- _zoomer->setZoomBase();
-
- // Zooms back to the base and clears any other zoom levels
- _zoomer->zoom(0);
+ bool reset = false;
+ if((startFreq != _startFrequency) || (stopFreq != _stopFrequency))
+ reset = true;
+
+ if(stopFreq > startFreq) {
+ _startFrequency = startFreq;
+ _stopFrequency = stopFreq;
+
+ if((axisScaleDraw(QwtPlot::xBottom) != NULL) && (_zoomer != NULL)){
+ double display_units = ceil(log10(units)/2.0);
+ setAxisScaleDraw(QwtPlot::xBottom, new FreqDisplayScaleDraw(display_units));
+ setAxisTitle(QwtPlot::xBottom, QString("Frequency (%1)").arg(strunits.c_str()));
+
+ if(reset)
+ _resetXAxisPoints();
+
+ ((FreqDisplayZoomer*)_zoomer)->SetFrequencyPrecision(display_units);
+ ((FreqDisplayZoomer*)_zoomer)->SetUnitType(strunits);
+ }
+ }
}
void
FrequencyDisplayPlot::replot()
{
- const timespec startTime = get_highres_clock();
-
_markerNoiseFloorAmplitude->setYValue(_noiseFloorAmplitude);
// Make sure to take into account the start frequency
_markerPeakAmplitude->setYValue(_peakAmplitude);
QwtPlot::replot();
-
- double differenceTime = (diff_timespec(get_highres_clock(), startTime));
-
- differenceTime *= 99.0;
- // Require at least a 10% duty cycle
- if(differenceTime > (1.0/10.0)){
- _displayIntervalTime = differenceTime;
- }
+}
+
+void
+FrequencyDisplayPlot::resizeSlot( QSize *s )
+{
+ resize(s->width(), s->height());
}
void
FrequencyDisplayPlot::PlotNewData(const double* dataPoints, const int64_t numDataPoints,
const double noiseFloorAmplitude, const double peakFrequency,
- const double peakAmplitude)
+ const double peakAmplitude, const double timeInterval)
{
- if(numDataPoints > 0){
-
- if(numDataPoints != _numPoints){
+ // Only update plot if there is data and if the time interval has elapsed
+ if((numDataPoints > 0) &&
+ (diff_timespec(get_highres_clock(), _lastReplot) > timeInterval)) {
+
+ if(numDataPoints != _numPoints) {
_numPoints = numDataPoints;
-
+
delete[] _dataPoints;
delete[] _minFFTPoints;
delete[] _maxFFTPoints;
_fft_plot_curve->setRawData(_xAxisPoints, _dataPoints, _numPoints);
_min_fft_plot_curve->setRawData(_xAxisPoints, _minFFTPoints, _numPoints);
_max_fft_plot_curve->setRawData(_xAxisPoints, _maxFFTPoints, _numPoints);
-
+
_resetXAxisPoints();
ClearMaxData();
ClearMinData();
}
+
memcpy(_dataPoints, dataPoints, numDataPoints*sizeof(double));
for(int64_t point = 0; point < numDataPoints; point++){
if(dataPoints[point] < _minFFTPoints[point]){
_peakFrequency = peakFrequency;
_peakAmplitude = peakAmplitude;
- }
+ SetUpperIntensityLevel(_peakAmplitude);
- // Allow at least a 50% duty cycle
- if(diff_timespec(get_highres_clock(), _lastReplot) > _displayIntervalTime){
- // Only replot the screen if it is visible
- if(isVisible()){
- replot();
- }
+ replot();
+
_lastReplot = get_highres_clock();
}
}
FrequencyDisplayPlot::ClearMaxData()
{
for(int64_t number = 0; number < _numPoints; number++){
- _maxFFTPoints[number] = _maxYAxis;
+ _maxFFTPoints[number] = _minYAxis;
}
}
FrequencyDisplayPlot::ClearMinData()
{
for(int64_t number = 0; number < _numPoints; number++){
- _minFFTPoints[number] = _minYAxis;
+ _minFFTPoints[number] = _maxYAxis;
}
}
_xAxisPoints[loc] = freqValue;
freqValue += fft_bin_size;
}
+
+ setAxisScale(QwtPlot::xBottom, _startFrequency, _stopFrequency);
+
+ // Set up zoomer base for maximum unzoom x-axis
+ // and reset to maximum unzoom level
+ QwtDoubleRect zbase = _zoomer->zoomBase();
+ zbase.setLeft(_startFrequency);
+ zbase.setRight(_stopFrequency);
+ _zoomer->zoom(zbase);
+ _zoomer->setZoomBase(zbase);
+ _zoomer->zoom(0);
}
void
projects / debian / gnuradio / blobdiff