Gurkengewuerz/audio-reactive-led-strip
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Minor PEP8 formatting change

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This commit is contained in:
Scott Lawson 2017-01-04 23:21:09 -08:00
parent 565aada7af
commit 0f29d7c614
1 changed files with 5 additions and 2 deletions
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python/visualization.py
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@ -132,14 +132,17 @@ def visualize_energy(y):
# Set the new pixel value
return np.concatenate((p[:, ::-1], p), axis=1)
prev_spectrum = np.tile(0.01, config.N_PIXELS // 2)
_prev_spectrum = np.tile(0.01, config.N_PIXELS // 2)
def visualize_spectrum(y):
"""Effect that maps the Mel filterbank frequencies onto the LED strip"""
global prev_spectrum
y = np.copy(interpolate(y, config.N_PIXELS // 2))
common_mode.update(gaussian_filter1d(y, sigma=2.0))
diff = y - prev_spectrum
prev_spectrum = np.copy(y)
_prev_spectrum = np.copy(y)
r = gaussian_filter1d(y, sigma=0.5) - common_mode.value
# g = gaussian_filter1d(y, sigma=0.5) - common_mode.value
b = gaussian_filter1d(y, sigma=0.0) - common_mode.value