diff options
Diffstat (limited to 'gr-qtgui/lib/WaterfallDisplayPlot.cc')
| -rw-r--r-- | gr-qtgui/lib/WaterfallDisplayPlot.cc | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/gr-qtgui/lib/WaterfallDisplayPlot.cc b/gr-qtgui/lib/WaterfallDisplayPlot.cc index 8564758175..2f7e96707f 100644 --- a/gr-qtgui/lib/WaterfallDisplayPlot.cc +++ b/gr-qtgui/lib/WaterfallDisplayPlot.cc @@ -138,7 +138,7 @@ WaterfallDisplayPlot::WaterfallDisplayPlot(int nplots, QWidget* parent) d_stop_frequency = 1; resize(parent->width(), parent->height()); - d_numPoints = 1024; + d_numPoints = 0; d_half_freq = false; d_legend_enabled = true; @@ -230,7 +230,7 @@ WaterfallDisplayPlot::setFrequencyRange(const double centerfreq, double startFreq; double stopFreq = (centerfreq + bandwidth/2.0f) / units; if(d_half_freq) - startFreq = 0; + startFreq = centerfreq / units; else startFreq = (centerfreq - bandwidth/2.0f) / units; @@ -244,6 +244,7 @@ WaterfallDisplayPlot::setFrequencyRange(const double centerfreq, if(stopFreq > startFreq) { d_start_frequency = startFreq; d_stop_frequency = stopFreq; + d_center_frequency = centerfreq / units; if((axisScaleDraw(QwtPlot::xBottom) != NULL) && (d_zoomer != NULL)) { double display_units = ceil(log10(units)/2.0); @@ -633,7 +634,7 @@ WaterfallDisplayPlot::setPlotPosHalf(bool half) { d_half_freq = half; if(half) - d_start_frequency = 0; + d_start_frequency = d_center_frequency; } |