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rotate waterfall display

master
Sebastien Bourdeauducq 2020-08-11 16:20:15 +08:00
parent f82d5c18a1
commit 028155a54e
1 changed files with 2 additions and 1 deletions
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3
gui_impl.py
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@ -16,9 +16,10 @@ class SpectrogramItem(pg.ImageItem):
pg.ImageItem.__init__(self)
depth = 100
self.setOpts(axisOrder="row-major")
self.img_array = np.zeros((depth, block_size))
self.setImage(self.img_array, autoLevels=True, autoDownsample=True)
self.setRect(QtCore.QRectF(0.0, (freq_base-freq_sample/2)/1e6, float(depth), freq_sample/1e6))
self.setRect(QtCore.QRectF((freq_base-freq_sample/2)/1e6, -float(depth), freq_sample/1e6, float(depth)))
def add_block(self, block):
self.img_array = np.roll(self.img_array, -1, 0)