qtgui: adjusting intensity knobs and auto scale in waterfall works in qwt6.

1 files changed, 3 insertions, 5 deletions

diff --git a/gr-qtgui/lib/WaterfallDisplayPlot.cc b/gr-qtgui/lib/WaterfallDisplayPlot.cc
index ba15608e9..643370b96 100644
--- a/gr-qtgui/lib/WaterfallDisplayPlot.cc
+++ b/gr-qtgui/lib/WaterfallDisplayPlot.cc
@@ -306,11 +306,7 @@ WaterfallDisplayPlot::WaterfallDisplayPlot(QWidget* parent)
   _lastReplot = 0;
 
   _intensityColorMapType = INTENSITY_COLOR_MAP_TYPE_MULTI_COLOR;
-
-  QwtLinearColorMap *colorMap = new QwtLinearColorMap(Qt::darkCyan, Qt::white);
-  colorMap->addColorStop(0.25, Qt::cyan);
-  colorMap->addColorStop(0.5, Qt::yellow);
-  colorMap->addColorStop(0.75, Qt::red);
+  QwtLinearColorMap *colorMap = new ColorMap_MultiColor();
 
   d_data = new WaterfallData(_startFrequency, _stopFrequency,
 			     _numPoints, 200);
@@ -488,6 +484,8 @@ WaterfallDisplayPlot::SetIntensityRange(const double minIntensity,
   emit UpdatedLowerIntensityLevel(minIntensity);
   emit UpdatedUpperIntensityLevel(maxIntensity);
 
+  d_data->setInterval(Qt::ZAxis, QwtInterval(minIntensity, maxIntensity));
+
   _UpdateIntensityRangeDisplay();
 }