class SpectrographWidget(pg.PlotWidget):
def __init__(self):
super(SpectrographWidget, self).__init__()
self.setLabel('bottom', 'Index', units='B')
nPlots = 18
nSamples = 500
self.curves = []
for i in range(nPlots):
c = pg.PlotCurveItem(pen=(i, nPlots * 1.3))
self.addItem(c)
c.setPos(0, i * 6)
self.curves.append(c)
c.setData(np.zeros(nSamples))
self.setYRange(0, nPlots * 6)
self.setXRange(0, nSamples)
self.buffer = np.zeros(nSamples)
self.nPlots = nPlots
self.filter = IIRFilter()
def updateValue(self, newValue):
self.buffer[:-1] = self.buffer[1:]
self.buffer[-1] = newValue
self.filter.update(newValue)
def updateGUI(self):
for i in range(self.nPlots):
lo = float(i+0) / self.nPlots * 125.
hi = float(i+1) / self.nPlots * 125.
# Ugly workaround: Skip the bands containing 50 Hz and DC/Ultra Low Frequencies
if i == 0 or (lo < 50 and hi > 50):
print "pass", lo, hi
continue
foo = self.curves[i].getData()[1]
foo[:-1] = foo[1:]
foo[-1] = (self.filter.band(lo, hi) / 50)
self.curves[i].setData(foo)
class SpectrographWidget(pg.PlotWidget):
def __init__(self):
super(SpectrographWidget, self).__init__()
self.setLabel('bottom', 'Index', units='B')
nPlots = 18
nSamples = 500
self.curves = []
for i in range(nPlots):
c = pg.PlotCurveItem(pen=(i, nPlots * 1.3))
self.addItem(c)
c.setPos(0, i * 6)
self.curves.append(c)
c.setData(np.zeros(nSamples))
self.setYRange(0, nPlots * 6)
self.setXRange(0, nSamples)
self.buffer = np.zeros(nSamples)
self.nPlots = nPlots
self.filter = IIRFilter()
def updateValue(self, newValue):
self.buffer[:-1] = self.buffer[1:]
self.buffer[-1] = newValue
self.filter.update(newValue)
def updateGUI(self):
for i in range(self.nPlots):
lo = float(i + 0) / self.nPlots * 125.
hi = float(i + 1) / self.nPlots * 125.
# Ugly workaround: Skip the bands containing 50 Hz and DC/Ultra Low Frequencies
if i == 0 or (lo < 50 and hi > 50):
print "pass", lo, hi
continue
foo = self.curves[i].getData()[1]
foo[:-1] = foo[1:]
foo[-1] = (self.filter.band(lo, hi) / 50)
self.curves[i].setData(foo)
def __init__(self):
super(SpectrographWidget, self).__init__()
self.setLabel('bottom', 'Index', units='B')
nPlots = 18
nSamples = 500
self.curves = []
for i in range(nPlots):
c = pg.PlotCurveItem(pen=(i, nPlots * 1.3))
self.addItem(c)
c.setPos(0, i * 6)
self.curves.append(c)
c.setData(np.zeros(nSamples))
self.setYRange(0, nPlots * 6)
self.setXRange(0, nSamples)
self.buffer = np.zeros(nSamples)
self.nPlots = nPlots
self.filter = IIRFilter()
def __init__(self):
super(SpectrographWidget, self).__init__()
self.setLabel('bottom', 'Index', units='B')
nPlots = 18
nSamples = 500
self.curves = []
for i in range(nPlots):
c = pg.PlotCurveItem(pen=(i, nPlots * 1.3))
self.addItem(c)
c.setPos(0, i * 6)
self.curves.append(c)
c.setData(np.zeros(nSamples))
self.setYRange(0, nPlots * 6)
self.setXRange(0, nSamples)
self.buffer = np.zeros(nSamples)
self.nPlots = nPlots
self.filter = IIRFilter()
pass
try:
from mpd import MPDClient
client = MPDClient()
client.connect("localhost", 6600)
def setMPDVolume(val):
val = 100 - val
val = np.min((np.max((val, 10)), 100))
client.setvol(int(val))
except Exception, e:
print "MPD error: ", e
iir0 = IIRFilter()
iir = IIRFilter()
iir2 = IIRFilter()
iir3 = IIRFilter()
iir4 = IIRFilter()
def update(channels):
gridFilter.update(channels[0])
iir0.update(channels[0])
spectrogram.updateValue(gridFilter.ac)
delta = iir0.band(0.5, 4)
