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Raise Down Sampling Threshold from 1000 to 1024 #21

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Raise Down Sampling Threshold from 1000 to 1024 #21

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4 changes: 3 additions & 1 deletion paintwidget.py
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,8 @@ class DataThread(QThread):
'downSampling': None, 'downSamplingFactor': None, 'downSamplingBuffer': None,
'inlet': None, 'stream_idx': None, 'is_marker': False}

DOWN_SAMPLING_THRESHOLD = 1024

def __init__(self, parent):
super().__init__(parent)
self.chunksPerScreen = 50 # For known sampling rate data, divide the screen into this many segments.
Expand Down Expand Up @@ -55,7 +57,7 @@ def update_streams(self):
if self.sig_strm_idx < 0:
self.sig_strm_idx = k
srate = stream.nominal_srate()
stream_params['downSampling'] = srate > 1000
stream_params['downSampling'] = srate > DOWN_SAMPLING_THRESHOLD
stream_params['chunkSize'] = round(srate / self.chunksPerScreen * self.seconds_per_screen)
if stream_params['downSampling']:
stream_params['downSamplingFactor'] = round(srate / 1000)
Expand Down