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-rw-r--r--gr-wxgui/src/python/waterfall_window.py12
1 files changed, 3 insertions, 9 deletions
diff --git a/gr-wxgui/src/python/waterfall_window.py b/gr-wxgui/src/python/waterfall_window.py
index c00992e14..28e67a830 100644
--- a/gr-wxgui/src/python/waterfall_window.py
+++ b/gr-wxgui/src/python/waterfall_window.py
@@ -237,16 +237,10 @@ class waterfall_window(wx.Panel, pubsub.pubsub):
Does not affect the current data in the waterfall.
"""
if not len(self.samples): return
- #get the peak level (max of the samples)
- peak_level = numpy.max(self.samples)
- #get the noise floor (averge the smallest samples)
- noise_floor = numpy.average(numpy.sort(self.samples)[:len(self.samples)/4])
- #padding
- noise_floor -= abs(noise_floor)*.5
- peak_level += abs(peak_level)*.1
+ min_level, max_level = common.get_min_max_fft(self.samples)
#set the range and level
- self[REF_LEVEL_KEY] = peak_level
- self[DYNAMIC_RANGE_KEY] = peak_level - noise_floor
+ self[REF_LEVEL_KEY] = max_level
+ self[DYNAMIC_RANGE_KEY] = max_level - min_level
def handle_msg(self, msg):
"""