def load_file(self,repnum):
global options
global basepath
# if repnum<10:
# upf = basepath + options.upfile + '/00' + str(repnum) + '/Camera/frames.ma'
# else:
# upf = basepath + options.upfile + '/0' + str(repnum) + '/Camera/frames.ma'
upf = basepath + options.upfile + '/Camera/frames.ma'
im=[]
self.imageData = []
print "loading data from ", upf
try:
im = MetaArray(file = upf, subset=(slice(0,2), slice(64,128), slice(64,128)))
except:
print "Error loading upfile: %s\n" % upf
return
print "data loaded"
self.times = im.axisValues('Time').astype('float32')
self.imageData = im.view(np.ndarray).astype('float32')
#pg.image(self.imageData, title=str(repnum))
#self.ProcessImage()
print 'imageData shape:', np.shape(self.imageData)
#self.imageData = self.imageData[np.where(self.times>1)]
# back = self.imageData[np.where(np.logical_and(self.times>2, self.times<3))]
# print 'size of back', np.shape(back)
return
def load_file(self,repnum):
global options
global basepath
# if repnum<10:
# upf = basepath + options.upfile + '/00' + str(repnum) + '/Camera/frames.ma'
# else:
# upf = basepath + options.upfile + '/0' + str(repnum) + '/Camera/frames.ma'
upf = basepath + options.upfile + '/Camera/frames.ma'
im=[]
self.imageData = []
print "loading data from ", upf
try:
im = MetaArray(file = upf, subset=(slice(0,2), slice(64,128), slice(64,128)))
except:
print "Error loading upfile: %s\n" % upf
return
print "data loaded"
self.times = im.axisValues('Time').astype('float32')
self.imageData = im.view(np.ndarray).astype('float32')
#pg.image(self.imageData, title=str(repnum))
#self.ProcessImage()
print 'imageData shape:', np.shape(self.imageData)
#self.imageData = self.imageData[np.where(self.times>1)]
# back = self.imageData[np.where(np.logical_and(self.times>2, self.times<3))]
# print 'size of back', np.shape(back)
return
def load_file(self, repnum):
global options
global basepath
if repnum < 10:
upf = basepath + options.upfile + '/00' + str(
repnum) + '/Camera/frames.ma'
else:
upf = basepath + options.upfile + '/0' + str(
repnum) + '/Camera/frames.ma'
# upf = basepath + options.upfile + '/Camera/frames.ma'
im = []
self.imageData = []
print "loading data from ", upf
try:
im = MetaArray(file=upf,
subset=(slice(0, 2), slice(64, 128), slice(64,
128)))
except:
print "Error loading upfile: %s\n" % upf
return
print "data loaded"
self.times = im.axisValues('Time').astype('float32')
self.imageData = im.view(np.ndarray).astype('float32')
pg.image(self.imageData, title=str(repnum))
#self.ProcessImage()
print 'imageData shape:', np.shape(self.imageData)
#self.imageData = self.imageData[np.where(self.times>1)]
back = self.imageData[np.where(
np.logical_and(self.times > 2, self.times < 3))]
print 'size of back', np.shape(back)
self.background = np.mean(back[5:], axis=0)
#self.times= self.times-1
# interval1=self.imageData[np.where(np.logical_and(self.times>=1, self.times<=1.25))]
# print 'interval1 shape:', np.shape(interval1)
# interval2=self.imageData[np.where(np.logical_and(self.times>=2, self.times<=2.25))]
# print 'interval2 shape:', np.shape(interval2)
# interval3=self.imageData[np.where(np.logical_and(self.times>=3, self.times<=3.25))]
# print 'interval3 shape:', np.shape(interval3)
# interval4=self.imageData[np.where(np.logical_and(self.times>=4, self.times<=4.25))]
# print 'interval4 shape:', np.shape(interval4)
# interval5=self.imageData[np.where(np.logical_and(self.times>=5, self.times<=5.25))]
# print 'interval5 shape:', np.shape(interval5)
# back=self.imageData[np.where(np.logical_and(self.times>0, self.times<1))]
# background=np.mean(back,axis=0)
# meanimg=np.mean(self.imageData, axis=0)
# pg.image(meanimg, title='mean image')
#self.imageData = ((interval1+interval2+interval3+interval4+interval5)/5-background)/background
print 'imageData shape:', np.shape(self.imageData)
#pg.image(background, title='background')
#self.imageData=scipy.ndimage.gaussian_filter(self.imageData, sigma=[1,3,3], order=0,mode='reflect',truncate=4.0)
return
def subtract_Background(self, diffup=0.005):
#loading background data
print 'running subtractBackground'
bckfile = videobasepath + '008.ma'
bckaudio = audiobasepath + '008/DaqDevice.ma'
# bckfile = videobasepath + '011.ma'
# bckaudio = audiobasepath + '011/DaqDevice.ma'
try:
im = MetaArray(file = bckfile, subset=(slice(0,2), slice(64,128), slice(64,128)))
except:
print 'no background file!'
#correct for timing differences
audio = []
audio = MetaArray(file = bckaudio, subset=(slice(0,2), slice(64,128), slice(64,128)))
audiotime = audio.axisValues('Time').astype('float32')
audiomin = np.min(audiotime) + diffup
audiomax = np.max(audiotime) + diffup
rawtimes = im.axisValues('Time').astype('float32')
adjustedtime = rawtimes[np.logical_and(rawtimes <= audiomax+.5, rawtimes >= audiomin)]
bckimagedata = im[np.logical_and(rawtimes <= audiomax, rawtimes >= audiomin)]
raw=self.imageData
#check that the background image and the data are the same shape and average
#then subtract the average from the stimulated data
getout = fac_lift(bckimagedata,adjustedtime)
bckimagedata=getout
getout2 = fac_lift(raw, adjustedtime)
self.imageData=getout2
print 'shape of background', bckimagedata.shape
print 'shape of imageData', self.imageData.shape
if bckimagedata.shape[0] <= self.imageData.shape[0]:
print 'image is longer'
stop = bckimagedata.shape[0]
print 'stop'
self.imageData=self.imageData[: stop,:,:,:]
print 'stop2'
subtractor = np.zeros(bckimagedata.shape, float)
diffimage = np.zeros(bckimagedata.shape, float)
subtractor = np.mean(np.array([self.imageData,bckimagedata]), axis=0)
#diffimage=sub_func(self.imageData, subtractor)
diffimage = self.imageData - subtractor
print 'stop 3'
else:
print 'error! image is shorter, fix this code!'
diffimage = scipy.signal.detrend(diffimage, axis=0)
self.imageData = diffimage
return
def load_file(self,repnum):
global options
global basepath
if repnum ==0:
upf = basepath + options.upfile + '/Camera/frames.ma'
else:
if repnum<10:
upf = basepath + options.upfile + '/00' + str(repnum) + '/Camera/frames.ma'
else:
upf = basepath + options.upfile + '/0' + str(repnum) + '/Camera/frames.ma'
#upf = basepath + options.upfile + '/Camera/frames.ma'
im=[]
self.imageData = []
print "loading data from ", upf
try:
im = MetaArray(file = upf, subset=(slice(0,2), slice(64,128), slice(64,128)))
except:
print "Error loading upfile: %s\n" % upf
return
print "data loaded"
self.times = im.axisValues('Time').astype('float32')
self.imageData = im.view(np.ndarray).astype('float32')
print 'imageData shape:', np.shape(self.imageData)
#self.imageData = self.imageData[np.where(self.times>1)]
back = self.imageData[np.where(self.times<1)]
self.background = np.mean(back[5:],axis=0)
#self.times= self.times-1
# interval1=self.imageData[np.where(np.logical_and(self.times>=1, self.times<=1.25))]
# print 'interval1 shape:', np.shape(interval1)
# interval2=self.imageData[np.where(np.logical_and(self.times>=2, self.times<=2.25))]
# print 'interval2 shape:', np.shape(interval2)
# interval3=self.imageData[np.where(np.logical_and(self.times>=3, self.times<=3.25))]
# print 'interval3 shape:', np.shape(interval3)
# interval4=self.imageData[np.where(np.logical_and(self.times>=4, self.times<=4.25))]
# print 'interval4 shape:', np.shape(interval4)
# interval5=self.imageData[np.where(np.logical_and(self.times>=5, self.times<=5.25))]
# print 'interval5 shape:', np.shape(interval5)
# back=self.imageData[np.where(np.logical_and(self.times>0, self.times<1))]
# background=np.mean(back,axis=0)
# meanimg=np.mean(self.imageData, axis=0)
# pg.image(meanimg, title='mean image')
#self.imageData = ((interval1+interval2+interval3+interval4+interval5)/5-background)/background
print 'imageData shape:', np.shape(self.imageData)
#pg.image(background, title='background')
#self.imageData=scipy.ndimage.gaussian_filter(self.imageData, sigma=[1,3,3], order=0,mode='reflect',truncate=4.0)
return
def denoise(data, radius=2, threshold=4):
"""Very simple noise removal function. Compares a point to surrounding points,
replaces with nearby values if the difference is too large."""
r2 = radius * 2
d1 = data.view(np.ndarray)
d2 = d1[radius:] - d1[:-radius] #a derivative
#d3 = data[r2:] - data[:-r2]
#d4 = d2 - d3
stdev = d2.std()
#print "denoise: stdev of derivative:", stdev
mask1 = d2 > stdev * threshold #where derivative is large and positive
mask2 = d2 < -stdev * threshold #where derivative is large and negative
maskpos = mask1[:-radius] * mask2[radius:] #both need to be true
maskneg = mask1[radius:] * mask2[:-radius]
mask = maskpos + maskneg
d5 = np.where(
mask, d1[:-r2], d1[radius:-radius]
) #where both are true replace the value with the value from 2 points before
d6 = np.empty(d1.shape, dtype=d1.dtype) #add points back to the ends
d6[radius:-radius] = d5
d6[:radius] = d1[:radius]
d6[-radius:] = d1[-radius:]
if (hasattr(data, 'implements') and data.implements('MetaArray')):
return MetaArray(d6, info=data.infoCopy())
return d6
def histogramDetrend(data,
window=500,
bins=50,
threshold=3.0,
offsetOnly=False):
"""Linear detrend. Works by finding the most common value at the beginning and end of a trace, excluding outliers.
If offsetOnly is True, then only the offset from the beginning of the trace is subtracted.
"""
d1 = data.view(np.ndarray)
d2 = [d1[:window], d1[-window:]]
v = [0, 0]
for i in [0, 1]:
d3 = d2[i]
stdev = d3.std()
mask = abs(d3 - np.median(d3)) < stdev * threshold
d4 = d3[mask]
y, x = np.histogram(d4, bins=bins)
ind = np.argmax(y)
v[i] = 0.5 * (x[ind] + x[ind + 1])
if offsetOnly:
d3 = data.view(np.ndarray) - v[0]
else:
base = np.linspace(v[0], v[1], len(data))
d3 = data.view(np.ndarray) - base
if (hasattr(data, 'implements') and data.implements('MetaArray')):
return MetaArray(d3, info=data.infoCopy())
return d3
def load_file(self,loadstr, repnum):
global options
upf = basepath + loadstr + '/00' + str(repnum) + '/Camera/frames.ma'
im=[]
self.imageData = []
print "loading data from ", upf
try:
im = MetaArray(file = upf, subset=(slice(0,2), slice(64,128), slice(64,128)))
except:
print "Error loading upfile: %s\n" % videoupf
return
print "data loaded"
self.times = im.axisValues('Time').astype('float32')
self.imageData = im.view(np.ndarray).astype('float32')
return
def load_file(self, loadstr, repnum):
global options
upf = basepath + loadstr + '/00' + str(repnum) + '/Camera/frames.ma'
im = []
self.imageData = []
print "loading data from ", upf
try:
im = MetaArray(file=upf,
subset=(slice(0, 2), slice(64, 128), slice(64,
128)))
except:
print "Error loading upfile: %s\n" % videoupf
return
print "data loaded"
self.times = im.axisValues('Time').astype('float32')
self.imageData = im.view(np.ndarray).astype('float32')
return
def subtract_Background(self, diffup=0.005):
#loading background data
print 'running subtractBackground'
bckfile = videobasepath + '008.ma'
bckaudio = audiobasepath + '008/DaqDevice.ma'
# bckfile = videobasepath + '011.ma'
# bckaudio = audiobasepath + '011/DaqDevice.ma'
try:
im = MetaArray(file=bckfile,
subset=(slice(0, 2), slice(64, 128), slice(64,
128)))
except:
print 'no background file!'
#correct for timing differences
audio = []
audio = MetaArray(file=bckaudio,
subset=(slice(0, 2), slice(64, 128), slice(64, 128)))
audiotime = audio.axisValues('Time').astype('float32')
audiomin = np.min(audiotime) + diffup
audiomax = np.max(audiotime) + diffup
rawtimes = im.axisValues('Time').astype('float32')
adjustedtime = rawtimes[np.logical_and(rawtimes <= audiomax + .5,
rawtimes >= audiomin)]
bckimagedata = im[np.logical_and(rawtimes <= audiomax,
rawtimes >= audiomin)]
raw = self.imageData
#check that the background image and the data are the same shape and average
#then subtract the average from the stimulated data
getout = fac_lift(bckimagedata, adjustedtime)
bckimagedata = getout
getout2 = fac_lift(raw, adjustedtime)
self.imageData = getout2
print 'shape of background', bckimagedata.shape
print 'shape of imageData', self.imageData.shape
if bckimagedata.shape[0] <= self.imageData.shape[0]:
print 'image is longer'
stop = bckimagedata.shape[0]
print 'stop'
self.imageData = self.imageData[:stop, :, :, :]
print 'stop2'
subtractor = np.zeros(bckimagedata.shape, float)
diffimage = np.zeros(bckimagedata.shape, float)
subtractor = np.mean(np.array([self.imageData, bckimagedata]),
axis=0)
#diffimage=sub_func(self.imageData, subtractor)
diffimage = self.imageData - subtractor
print 'stop 3'
else:
print 'error! image is shorter, fix this code!'
diffimage = scipy.signal.detrend(diffimage, axis=0)
self.imageData = diffimage
return
def histogramDetrend(data, window=500, bins=50, threshold=3.0):
"""Linear detrend. Works by finding the most common value at the beginning and end of a trace, excluding outliers."""
d1 = data.view(np.ndarray)
d2 = [d1[:window], d1[-window:]]
v = [0, 0]
for i in [0, 1]:
d3 = d2[i]
stdev = d3.std()
mask = abs(d3 - np.median(d3)) < stdev * threshold
d4 = d3[mask]
y, x = np.histogram(d4, bins=bins)
ind = np.argmax(y)
v[i] = 0.5 * (x[ind] + x[ind + 1])
base = np.linspace(v[0], v[1], len(data))
d3 = data.view(np.ndarray) - base
if isinstance(data, MetaArray):
return MetaArray(d3, info=data.infoCopy())
return d3
def applyFilter(data, b, a, padding=100, bidir=True):
"""Apply a linear filter with coefficients a, b. Optionally pad the data before filtering
and/or run the filter in both directions."""
d1 = data.view(np.ndarray)
if padding > 0:
d1 = np.hstack([d1[:padding], d1, d1[-padding:]])
if bidir:
d1 = scipy.signal.lfilter(b, a,
scipy.signal.lfilter(b, a, d1)[::-1])[::-1]
else:
d1 = scipy.signal.lfilter(b, a, d1)
if padding > 0:
d1 = d1[padding:-padding]
if (hasattr(data, 'implements') and data.implements('MetaArray')):
return MetaArray(d1, info=data.infoCopy())
else:
return d1
def adaptiveDetrend(data, x=None, threshold=3.0):
"""Return the signal with baseline removed. Discards outliers from baseline measurement."""
if x is None:
x = data.xvals(0)
d = data.view(np.ndarray)
d2 = scipy.signal.detrend(d)
stdev = d2.std()
mask = abs(d2) < stdev * threshold
#d3 = where(mask, 0, d2)
#d4 = d2 - lowPass(d3, cutoffs[1], dt=dt)
lr = stats.linregress(x[mask], d[mask])
base = lr[1] + lr[0] * x
d4 = d - base
if (hasattr(data, 'implements') and data.implements('MetaArray')):
return MetaArray(d4, info=data.infoCopy())
return d4
def downsample(data, n, axis=0, xvals='subsample'):
"""Downsample by averaging points together across axis.
If multiple axes are specified, runs once per axis.
If a metaArray is given, then the axis values can be either subsampled
or downsampled to match.
"""
ma = None
if (hasattr(data, 'implements') and data.implements('MetaArray')):
ma = data
data = data.view(np.ndarray)
if hasattr(axis, '__len__'):
if not hasattr(n, '__len__'):
n = [n] * len(axis)
for i in range(len(axis)):
data = downsample(data, n[i], axis[i])
return data
nPts = int(data.shape[axis] / n)
s = list(data.shape)
s[axis] = nPts
s.insert(axis + 1, n)
sl = [slice(None)] * data.ndim
sl[axis] = slice(0, nPts * n)
d1 = data[tuple(sl)]
#print d1.shape, s
d1.shape = tuple(s)
d2 = d1.mean(axis + 1)
if ma is None:
return d2
else:
info = ma.infoCopy()
if 'values' in info[axis]:
if xvals == 'subsample':
info[axis]['values'] = info[axis]['values'][::n][:nPts]
elif xvals == 'downsample':
info[axis]['values'] = downsample(info[axis]['values'], n)
return MetaArray(d2, info=info)
def modeFilter(data, window=500, step=None, bins=None):
"""Filter based on histogram-based mode function"""
d1 = data.view(np.ndarray)
vals = []
l2 = int(window / 2.)
if step is None:
step = l2
i = 0
while True:
if i > len(data) - step:
break
vals.append(mode(d1[i:i + window], bins))
i += step
chunks = [np.linspace(vals[0], vals[0], l2)]
for i in range(len(vals) - 1):
chunks.append(np.linspace(vals[i], vals[i + 1], step))
remain = len(data) - step * (len(vals) - 1) - l2
chunks.append(np.linspace(vals[-1], vals[-1], remain))
d2 = np.hstack(chunks)
if (hasattr(data, 'implements') and data.implements('MetaArray')):
return MetaArray(d2, info=data.infoCopy())
return d2
def parse_and_go(self, argsin = None):
global period
global binsize
parser=OptionParser() # command line options
##### parses all of the options inputted at the command line TFR 11/13/2015
parser.add_option("-u", "--upfile", dest="upfile", metavar='FILE',
help="load the up-file")
parser.add_option("-d", "--downfile", dest="downfile", metavar='FILE',
help="load the down-file")
parser.add_option("-D", "--directory", dest="directory", metavar='FILE',
help="Use directory for data")
parser.add_option("-t", "--test", dest="test", action='store_true',
help="Test mode to check calculations", default=False)
parser.add_option("-p", '--period', dest = "period", default=4.25, type="float",
help = "Stimulus cycle period")
parser.add_option("-c", '--cycles', dest = "cycles", default=0, type="int",
help = "# cycles to analyze")
parser.add_option("-b", '--binning', dest = "binsize", default=0, type="int",
help = "bin reduction x,y")
parser.add_option("-g", '--gfilter', dest = "gfilt", default=0, type="float",
help = "gaussian filter width")
parser.add_option("-f", '--fdict', dest = "fdict", default=0, type="int",
help = "Use dictionary entry")
if argsin is not None:
(options, args) = parser.parse_args(argsin)
else:
(options, args) = parser.parse_args()
if options.test is True:
print "Running Test Sample"
period = 8.0 # period and frame sample rate can be different
framerate = 8.0
nper = 1
d = 10.0*numpy.random.normal(size=(2500,128,128)).astype('float32')
ds = d.shape
self.nFrames = d.shape[0]
self.nPhases = 10
maxdel = 50
self.phasex = []
self.phasey = []
for i in range(0,self.nPhases):
dx = i*ds[1]/self.nPhases # each phase is assigned to a region
baseline = 0.0
self.resp = numpy.zeros((self.nFrames,))
phaseDelay = 0.25*period+period*(float(i)/self.nPhases) # phase delay for this region from 0 to nearly the stimulus repeat period
# print '********phase delay: ', phaseDelay
for j in range(0, nper): # for each period
tdelay = (float(j) * period) + phaseDelay # time to phase delay point
idelay = int(numpy.floor(tdelay*framerate)) # convert to frame position in frame space
# print ' tdel: ', tdelay, ' idel: ', idelay
# if idelay < self.nFrames-maxdel:
# self.resp[idelay:idelay+maxdel] = (i+1)*numpy.exp(-numpy.linspace(0, 2, maxdel)) # marks amplitudes as well
self.resp = 1000.0*numpy.sin(
numpy.linspace(0, 2.0*numpy.pi*self.nFrames/(period*framerate), self.nFrames)+i*numpy.pi/8.0 - numpy.pi/2.0)
d[:, dx:dx+int(ds[1]/self.nPhases), 5:int(ds[2]/2)] += self.resp[:, numpy.newaxis, numpy.newaxis]
self.phasex.append( (2+(dx+int(ds[1]/self.nPhases))/2))
self.phasey.append((6+int(ds[2]/2)/2)) # make the signal equivalent of digitized one (baseline 3000, signal at 1e-4 of baseline)
d = (d*3000.0*1e-4)+3000.0 # scale and offset to match data scaling coming in
self.imageData = d.astype('int16') # reduce to a 16-bit map to match camera data type
self.times = numpy.arange(0, self.nFrames/framerate, 1.0/framerate)
print "Test Image Created"
getout2 = fac_lift(self.imageData, self.times)
self.imageData=getout2
self.Analysis_FourierMap_TFR(period=period, target = 1, mode=1, bins=binsize)
print "Completed Analysis FourierMap"
self.plotmaps_pg(mode = 2, gfilter = 0)
print "Completed plot maps"
if options.period is not None:
measuredPeriod = options.period
if options.cycles is not None:
self.nCycles = options.cycles
if options.binsize is not None:
binsize = options.binsize
if options.gfilt is not None:
gfilt = options.gfilt
if options.upfile is not None:
self.upfile = options.upfile
target = 1
if options.downfile is not None:
self.downfile = options.downfile
target = 2
target = 0
videoupf = None
videodwnf = None
audioupf = None
audiodwnf = None
print 'DB keys', DB.keys()
if options.fdict is not None:
if options.fdict in DB.keys(): # populate options
options.upfile = DB[options.fdict][0]
options.downfile = DB[options.fdict][1]
options.period = DB[options.fdict][4]
else:
print "File %d NOT in DBase\n" % options.fdict
return
if options.directory is not None:
self.directory = options.directory
if options.upfile is not None:
videoupf = videobasepath + options.upfile + '.ma'
audioupf = audiobasepath + options.upfile + '/DaqDevice.ma'
if options.downfile is not None:
videodwnf = videobasepath + options.downfile + '.ma'
audiodwnf = audiobasepath + options.downfile + '/DaqDevice.ma'
im=[]
self.imageData = []
print "loading data from ", videoupf
try:
im = MetaArray(file = videoupf, subset=(slice(0,2), slice(64,128), slice(64,128)))
except:
print "Error loading upfile: %s\n" % videoupf
return
print "data loaded"
rawtimes=[]
rawimageData=[]
rawtimes = im.axisValues('Time').astype('float32')
rawimageData = im.view(np.ndarray).astype('float32')
#
#reads the timestamps from the files
indexFile = configfile.readConfigFile(basepath+'.index')
timestampup = indexFile.__getitem__('video_'+DB[options.fdict][0]+'.ma')[u'__timestamp__']
audioupindex = configfile.readConfigFile(audiobasepath+DB[options.fdict][0]+'/.index')
audioupstamp = audioupindex.__getitem__(u'.')[u'__timestamp__']
diffup = audioupstamp - timestampup
audio = MetaArray(file = audioupf, subset=(slice(0,2), slice(64,128), slice(64,128)))
audiotime = audio.axisValues('Time').astype('float32')
audiomin = np.min(audiotime) + diffup
audiomax = np.max(audiotime) + diffup
print 'audiomin', audiomin
print 'audiomax', audiomax
adjustedtime = rawtimes[np.logical_and(rawtimes <= audiomax+.5, rawtimes >= audiomin)]
frame_start=np.amin(np.where(rawtimes >= audiomin))
frame_end=np.amax(np.where(rawtimes <= audiomax+0.5))
adjustedimagedata = rawimageData[frame_start:frame_end]
#adjustedimagedata = rawimageData[np.logical_and(rawtimes <= audiomax+.5, rawtimes >= audiomin)]
self.times = [x-np.min(adjustedtime) for x in adjustedtime]
#self.imageData = adjustedimagedata
# self.imageData=np.mean(self.imageData, axis=0)
#self.imageData=np.mean(self.imageData)
outofbounds = 2*adjustedimagedata.std()
for i in range(adjustedimagedata.shape[0]):
for j in range(adjustedimagedata.shape[1]):
for k in range(adjustedimagedata.shape[2]):
if adjustedimagedata[i,j,k]< outofbounds:
adjustedimagedata[i,j,k]=1
pg.image(np.mean(adjustedimagedata,axis=0),title='remove extremes')
self.imageData = adjustedimagedata
print 'newmean', adjustedimagedata.mean()
#############loaded file #1###################
# for background file
im2=[]
self.imageData2 = []
adjustedimagedata = []
print "loading data from ", videodwnf
try:
im2 = MetaArray(file = videodwnf, subset=(slice(0,2), slice(64,128), slice(64,128)))
except:
print "Error loading upfile: %s\n" % videodwnf
return
print "data loaded"
rawtimes=[]
rawimageData=[]
rawtimes = im2.axisValues('Time').astype('float32')
rawimageData = im2.view(np.ndarray).astype('float32')
#
#reads the timestamps from the files
indexFile = configfile.readConfigFile(basepath+'.index')
timestampdwn = indexFile.__getitem__('video_'+DB[options.fdict][1]+'.ma')[u'__timestamp__']
audiodwnindex = configfile.readConfigFile(audiobasepath+DB[options.fdict][1]+'/.index')
audiodwnstamp = audiodwnindex.__getitem__(u'.')[u'__timestamp__']
diffdwn = audiodwnstamp - timestampdwn
audio = MetaArray(file = audiodwnf, subset=(slice(0,2), slice(64,128), slice(64,128)))
audiotime = audio.axisValues('Time').astype('float32')
audiomin = np.min(audiotime) + diffdwn
audiomax = np.max(audiotime) + diffdwn
print 'audiomin', audiomin
print 'audiomax', audiomax
adjustedtime = rawtimes[np.logical_and(rawtimes <= audiomax+.5, rawtimes >= audiomin)]
frame_start=np.amin(np.where(rawtimes >= audiomin))
frame_end=np.amax(np.where(rawtimes <= audiomax+0.5))
adjustedimagedata = rawimageData[frame_start:frame_end]
self.times = [x-np.min(adjustedtime) for x in adjustedtime]
outofbounds = 2*adjustedimagedata.std()
for i in range(adjustedimagedata.shape[0]):
for j in range(adjustedimagedata.shape[1]):
for k in range(adjustedimagedata.shape[2]):
if adjustedimagedata[i,j,k]< outofbounds:
adjustedimagedata[i,j,k]=1
pg.image(np.mean(adjustedimagedata,axis=0),title='remove extremes')
self.imageData2 = adjustedimagedata
print 'newmean', adjustedimagedata.mean()
# self.imageData2 = adjustedimagedata
# self.imageData2=np.mean(self.imageData2, axis=0)
print 'size of imagedata', self.imageData2.shape
##############loaded file #2##############
diffframes = np.mean(self.imageData)/np.mean(self.imageData2)
print 'mean:', diffframes.mean()
print 'std:', diffframes.std()
procimage=diffframes/diffframes.mean()/diffframes.std()
self.avgframes = pg.image(diffframes, title='Average across frames')
self.diff_frames = pg.image(procimage, title='Normalized Average across frames')
#self.avgframes = pg.image(procimage, title='Average across frames')
return
def parse_and_go(self, argsin=None):
global period
global binsize
parser = OptionParser() # command line options
##### parses all of the options inputted at the command line TFR 11/13/2015
parser.add_option("-u",
"--upfile",
dest="upfile",
metavar='FILE',
help="load the up-file")
parser.add_option("-d",
"--downfile",
dest="downfile",
metavar='FILE',
help="load the down-file")
parser.add_option("-D",
"--directory",
dest="directory",
metavar='FILE',
help="Use directory for data")
parser.add_option("-t",
"--test",
dest="test",
action='store_true',
help="Test mode to check calculations",
default=False)
parser.add_option("-p",
'--period',
dest="period",
default=4.25,
type="float",
help="Stimulus cycle period")
parser.add_option("-c",
'--cycles',
dest="cycles",
default=0,
type="int",
help="# cycles to analyze")
parser.add_option("-b",
'--binning',
dest="binsize",
default=0,
type="int",
help="bin reduction x,y")
parser.add_option("-g",
'--gfilter',
dest="gfilt",
default=0,
type="float",
help="gaussian filter width")
parser.add_option("-f",
'--fdict',
dest="fdict",
default=0,
type="int",
help="Use dictionary entry")
if argsin is not None:
(options, args) = parser.parse_args(argsin)
else:
(options, args) = parser.parse_args()
if options.period is not None:
measuredPeriod = options.period
if options.cycles is not None:
self.nCycles = options.cycles
if options.binsize is not None:
binsize = options.binsize
if options.gfilt is not None:
gfilt = options.gfilt
if options.fdict is not None:
if options.fdict in DB.keys(): # populate options
options.upfile = DB[options.fdict][0]
options.downfile = DB[options.fdict][1]
options.period = DB[options.fdict][4]
else:
print "File %d NOT in DBase\n" % options.fdict
return
if options.directory is not None:
self.directory = options.directory
if options.upfile is not None:
self.upfile = options.upfile
target = 1
if options.downfile is not None:
self.downfile = options.downfile
target = 2
target = 0
videoupf = None
videodwnf = None
audioupf = None
audiodwnf = None
if options.upfile is not None:
videoupf = videobasepath + options.upfile + '.ma'
audioupf = audiobasepath + options.upfile + '/DaqDevice.ma'
if options.downfile is not None:
videodwnf = videobasepath + options.downfile + '.ma'
audiodwnf = audiobasepath + options.downfile + '/DaqDevice.ma'
for file in (videoupf, videodwnf):
#if options.upfile is not None and options.downfile is not None:
if file is None:
break
im = []
self.imageData = []
print "loading data from ", file
try:
im = MetaArray(file=file,
subset=(slice(0, 2), slice(64,
128), slice(64,
128)))
except:
print "Error loading upfile: %s\n" % file
return
print "data loaded"
self.times = im.axisValues('Time')
self.nFrames = numpy.shape(im)[0]
self.imageData = numpy.array(im).astype(numpy.float32, copy=False)
print 'min diff', np.amin(np.diff(self.times))
print 'miax diff', np.amax(np.diff(self.times))
dt = numpy.mean(numpy.diff(self.times))
print 'dt:', dt
target = target + 1
rawtimes = []
rawimageData = []
rawtimes = im.axisValues('Time').astype('float32')
rawimageData = im.view(np.ndarray).astype('float32')
print 'size of im', np.shape(rawimageData)
indexFile = configfile.readConfigFile(basepath + '.index')
timestampup = indexFile.__getitem__('video_' +
DB[options.fdict][0] +
'.ma')[u'__timestamp__']
timestampdown = indexFile.__getitem__('video_' +
DB[options.fdict][1] +
'.ma')[u'__timestamp__']
audioupindex = configfile.readConfigFile(audiobasepath +
DB[options.fdict][0] +
'/.index')
audioupstamp = audioupindex.__getitem__(u'.')[u'__timestamp__']
audiodownindex = configfile.readConfigFile(audiobasepath +
DB[options.fdict][1] +
'/.index')
audiodownstamp = audiodownindex.__getitem__(u'.')[u'__timestamp__']
diffup = audioupstamp - timestampup
diffdown = audiodownstamp - timestampdown
if file is videoupf:
audio = MetaArray(file=audioupf,
subset=(slice(0, 2), slice(64, 128),
slice(64, 128)))
audiotime = audio.axisValues('Time').astype('float32')
audiomin = np.min(audiotime) + diffup
audiomax = np.max(audiotime) + diffup
elif file is videodwnf:
audio = MetaArray(file=audiodwnf,
subset=(slice(0, 2), slice(64, 128),
slice(64, 128)))
audiotime = audio.axisValues('Time').astype('float32')
audiomin = np.min(audiotime) + diffdown
audiomax = np.max(audiotime) + diffdown
else:
print 'ERROR! Unable to load audio file'
print 'audiomin', audiomin
print 'audiomax', audiomax
adjustedtime = rawtimes[np.logical_and(rawtimes <= audiomax + .5,
rawtimes >= audiomin)]
frame_start = np.amin(np.where(rawtimes >= audiomin))
frame_end = np.amax(np.where(rawtimes <= audiomax))
background = np.mean(rawimageData[10:25, :, :], axis=0)
print 'size of background', np.shape(background)
adjustedimagedata = rawimageData[frame_start:frame_end, :, :]
# print 'adjtime', adjustedtime
self.times = [x - np.min(adjustedtime) for x in adjustedtime]
self.imageData = adjustedimagedata
#print 'self.times:', self.times
# print 'length of self.times', np.shape(self.times)
# print 'shape of image data', np.shape(self.imageData)
print 'size of im', np.shape(self.imageData)
im = []
if file is videoupf:
upflag = 1
else:
upflag = 0
#print 'target:', target
framerate = 1 / dt
xsize = self.imageData.shape[1]
ysize = self.imageData.shape[2]
nframes = self.imageData.shape[0]
freq = 4
frames = self.imageData.reshape(nframes, xsize * ysize)
print 'seize of frames', np.shape(frames)
const = np.arange(dt, nframes / framerate, nframes)
fourvec = []
for ii in range(const.shape[0]):
fourvec[ii] = numpy.exp(2 * np.pi * np.complex(0, 1) *
const[ii] * freq)
print 'size of fourvec', np.shape(fourvec)
data = frames[:, :] * fourvec
print 'size of data', np.shape(data)
data = np.mean(data, axis=0)
data = data.reshape(xsize, ysize)
pg.image(data)
# pg.image(background)
# diffimage=np.zeros(np.shape(self.imageData))
# print 'single:', np.shape(self.imageData[4])
# for i in range(self.imageData.shape[0]):
# diffimage[i]=self.imageData[i]/background
# #self.imageData[i]/background
# print 'size of diffimage', np.shape(diffimage)
# refimage=self.imageData[frame_start]/self.imageData[10]
# conddiff=np.mean(diffimage,axis=0)-refimage
# graphme=conddiff/conddiff.mean()/conddiff.std()
# pg.image(graphme,title='graphme')
#self.subtract_Background(diffup=diffup)
#self.Analysis_FourierMap_TFR(period=measuredPeriod, target = target, bins=binsize, up=upflag)
print 'target:', target
def parse_and_go(self, argsin = None):
global period
parser=OptionParser() # command line options
##### parses all of the options inputted at the command line TFR 11/13/2015
parser.add_option("-u", "--upfile", dest="upfile", metavar='FILE',
help="load the up-file")
parser.add_option("-d", "--downfile", dest="downfile", metavar='FILE',
help="load the down-file")
parser.add_option("-D", "--directory", dest="directory", metavar='FILE',
help="Use directory for data")
parser.add_option("-t", "--test", dest="test", action='store_true',
help="Test mode to check calculations", default=False)
parser.add_option("-p", '--period', dest = "period", default=8.0, type="float",
help = "Stimulus cycle period")
parser.add_option("-c", '--cycles', dest = "cycles", default=0, type="int",
help = "# cycles to analyze")
parser.add_option("-b", '--binning', dest = "binsize", default=0, type="int",
help = "bin reduction x,y")
parser.add_option("-g", '--gfilter', dest = "gfilt", default=0, type="float",
help = "gaussian filter width")
parser.add_option("-f", '--fdict', dest = "fdict", default=0, type="int",
help = "Use dictionary entry")
if argsin is not None:
(options, args) = parser.parse_args(argsin)
else:
(options, args) = parser.parse_args()
if options.period is not None:
measuredPeriod = options.period
if options.cycles is not None:
self.nCycles = options.cycles
if options.binsize is not None:
binsize = options.binsize
if options.gfilt is not None:
gfilt = options.gfilt
#TFR- this code generates a test signal for running a test analysis sequence
print options.test
if options.test is True:
print "Running Test Sample"
period = 8.0 # period and frame sample rate can be different
framerate = 8.0
nper = 1
d = 10.0*numpy.random.normal(size=(2500,128,128)).astype('float32')
ds = d.shape
self.nFrames = d.shape[0]
self.nPhases = 10
maxdel = 50
self.phasex = []
self.phasey = []
for i in range(0,self.nPhases):
dx = i*ds[1]/self.nPhases # each phase is assigned to a region
baseline = 0.0
self.resp = numpy.zeros((self.nFrames,))
phaseDelay = 0.25*period+period*(float(i)/self.nPhases) # phase delay for this region from 0 to nearly the stimulus repeat period
# print '********phase delay: ', phaseDelay
for j in range(0, nper): # for each period
tdelay = (float(j) * period) + phaseDelay # time to phase delay point
idelay = int(numpy.floor(tdelay*framerate)) # convert to frame position in frame space
# print ' tdel: ', tdelay, ' idel: ', idelay
# if idelay < self.nFrames-maxdel:
# self.resp[idelay:idelay+maxdel] = (i+1)*numpy.exp(-numpy.linspace(0, 2, maxdel)) # marks amplitudes as well
self.resp = numpy.sin(
numpy.linspace(0, 2.0*numpy.pi*self.nFrames/(period*framerate), self.nFrames)+i*numpy.pi/8 - numpy.pi/2.0)
d[:, dx:dx+int(ds[1]/self.nPhases), 5:int(ds[2]/2)] += self.resp[:, numpy.newaxis, numpy.newaxis]
self.phasex.append( (2+(dx+int(ds[1]/self.nPhases))/2))
self.phasey.append((6+int(ds[2]/2)/2)) # make the signal equivalent of digitized one (baseline 3000, signal at 1e-4 of baseline)
d = (d*3000.0*1e-4)+3000.0 # scale and offset to match data scaling coming in
self.imageData = d.astype('int16') # reduce to a 16-bit map to match camera data type
self.times = numpy.arange(0, self.nFrames/framerate, 1.0/framerate)
print "Test Image Created"
self.Analysis_FourierMap(period = period, target = 1, mode=1, bins=binsize)
print "Completed Analysis FourierMap"
self.plotmaps_pg(mode = 2, gfilter = gfilt)
print "Completed plot maps"
return
if options.fdict is not None:
if options.fdict in DB.keys(): # populate options
options.upfile = DB[options.fdict][0]
options.downfile = DB[options.fdict][1]
options.period = DB[options.fdict][4]
else:
print "File %d NOT in DBase\n" % options.fdict
return
if options.directory is not None:
self.directory = options.directory
if options.upfile is not None:
self.upfile = options.upfile
target = 1
if options.downfile is not None:
self.downfile = options.downfile
target = 2
target = 0
upf = None
dwnf = None
if options.upfile is not None:
upf = basepath + options.upfile + '.ma'
if options.downfile is not None:
dwnf = basepath + options.downfile + '.ma'
for file in (upf, dwnf):
#if options.upfile is not None and options.downfile is not None:
if file is None:
break
im=[]
self.imageData = []
print "loading data from ", file
try:
im = MetaArray(file = file, subset=(slice(0,2), slice(64,128), slice(64,128)))
except:
print "Error loading upfile: %s\n" % file
return
print "data loaded"
target = target + 1
self.times = im.axisValues('Time').astype('float32')
self.imageData = im.view(ndarray).astype('float32')
im=[]
if file is upf:
upflag = 1
else:
upflag = 0
self.Analysis_FourierMap(period=measuredPeriod, target = target, bins=binsize, up=upflag)
if target > 0:
self.plotmaps(mode = 1, target = target, gfilter = gfilt)
def parse_and_go(self, argsin = None):
global period
global binsize
parser=OptionParser() # command line options
##### parses all of the options inputted at the command line TFR 11/13/2015
parser.add_option("-u", "--upfile", dest="upfile", metavar='FILE',
help="load the up-file")
parser.add_option("-d", "--downfile", dest="downfile", metavar='FILE',
help="load the down-file")
parser.add_option("-D", "--directory", dest="directory", metavar='FILE',
help="Use directory for data")
parser.add_option("-t", "--test", dest="test", action='store_true',
help="Test mode to check calculations", default=False)
parser.add_option("-p", '--period', dest = "period", default=4.25, type="float",
help = "Stimulus cycle period")
parser.add_option("-c", '--cycles', dest = "cycles", default=0, type="int",
help = "# cycles to analyze")
parser.add_option("-b", '--binning', dest = "binsize", default=0, type="int",
help = "bin reduction x,y")
parser.add_option("-g", '--gfilter', dest = "gfilt", default=0, type="float",
help = "gaussian filter width")
parser.add_option("-f", '--fdict', dest = "fdict", default=0, type="int",
help = "Use dictionary entry")
if argsin is not None:
(options, args) = parser.parse_args(argsin)
else:
(options, args) = parser.parse_args()
if options.period is not None:
measuredPeriod = options.period
if options.cycles is not None:
self.nCycles = options.cycles
if options.binsize is not None:
binsize = options.binsize
if options.gfilt is not None:
gfilt = options.gfilt
if options.fdict is not None:
if options.fdict in DB.keys(): # populate options
options.upfile = DB[options.fdict][0]
options.downfile = DB[options.fdict][1]
options.period = DB[options.fdict][4]
else:
print "File %d NOT in DBase\n" % options.fdict
return
if options.directory is not None:
self.directory = options.directory
if options.upfile is not None:
self.upfile = options.upfile
target = 1
if options.downfile is not None:
self.downfile = options.downfile
target = 2
target = 0
videoupf = None
videodwnf = None
audioupf = None
audiodwnf = None
if options.upfile is not None:
videoupf = videobasepath + options.upfile + '.ma'
audioupf = audiobasepath + options.upfile + '/DaqDevice.ma'
if options.downfile is not None:
videodwnf = videobasepath + options.downfile + '.ma'
audiodwnf = audiobasepath + options.downfile + '/DaqDevice.ma'
for file in (videoupf, videodwnf):
#if options.upfile is not None and options.downfile is not None:
if file is None:
break
im=[]
self.imageData = []
print "loading data from ", file
try:
im = MetaArray(file = file, subset=(slice(0,2), slice(64,128), slice(64,128)))
except:
print "Error loading upfile: %s\n" % file
return
print "data loaded"
self.times = im.axisValues('Time')
self.nFrames = numpy.shape(im)[0]
self.imageData = numpy.array(im).astype(numpy.float32, copy=False)
print 'min diff', np.amin(np.diff(self.times))
print 'miax diff', np.amax(np.diff(self.times))
dt = numpy.mean(numpy.diff(self.times))
print 'dt:',dt
target = target + 1
rawtimes=[]
rawimageData=[]
rawtimes = im.axisValues('Time').astype('float32')
rawimageData = im.view(np.ndarray).astype('float32')
print 'size of im', np.shape(rawimageData)
indexFile = configfile.readConfigFile(basepath+'.index')
timestampup = indexFile.__getitem__('video_'+DB[options.fdict][0]+'.ma')[u'__timestamp__']
timestampdown = indexFile.__getitem__('video_'+DB[options.fdict][1]+'.ma')[u'__timestamp__']
audioupindex = configfile.readConfigFile(audiobasepath+DB[options.fdict][0]+'/.index')
audioupstamp = audioupindex.__getitem__(u'.')[u'__timestamp__']
audiodownindex = configfile.readConfigFile(audiobasepath+DB[options.fdict][1]+'/.index')
audiodownstamp = audiodownindex.__getitem__(u'.')[u'__timestamp__']
diffup = audioupstamp - timestampup
diffdown = audiodownstamp - timestampdown
if file is videoupf:
audio = MetaArray(file = audioupf, subset=(slice(0,2), slice(64,128), slice(64,128)))
audiotime = audio.axisValues('Time').astype('float32')
audiomin = np.min(audiotime) + diffup
audiomax = np.max(audiotime) + diffup
elif file is videodwnf:
audio = MetaArray(file = audiodwnf, subset=(slice(0,2), slice(64,128), slice(64,128)))
audiotime = audio.axisValues('Time').astype('float32')
audiomin = np.min(audiotime) + diffdown
audiomax = np.max(audiotime) + diffdown
else:
print 'ERROR! Unable to load audio file'
print 'audiomin', audiomin
print 'audiomax', audiomax
adjustedtime = rawtimes[np.logical_and(rawtimes <= audiomax+.5, rawtimes >= audiomin)]
frame_start=np.amin(np.where(rawtimes >= audiomin))
frame_end=np.amax(np.where(rawtimes <= audiomax))
background = np.mean(rawimageData[10:25,:,:], axis=0)
print 'size of background', np.shape(background)
adjustedimagedata = rawimageData[frame_start:frame_end,:,:]
# print 'adjtime', adjustedtime
self.times = [x-np.min(adjustedtime) for x in adjustedtime]
self.imageData = adjustedimagedata
#print 'self.times:', self.times
# print 'length of self.times', np.shape(self.times)
# print 'shape of image data', np.shape(self.imageData)
print 'size of im', np.shape(self.imageData)
im=[]
if file is videoupf:
upflag = 1
else:
upflag = 0
#print 'target:', target
framerate=1/dt
xsize=self.imageData.shape[1]
ysize=self.imageData.shape[2]
nframes=self.imageData.shape[0]
freq=4
frames=self.imageData.reshape(nframes,xsize*ysize)
print 'seize of frames', np.shape(frames)
const=np.arange(dt,nframes/framerate,nframes)
fourvec=[]
for ii in range(const.shape[0]):
fourvec[ii]=numpy.exp(2*np.pi*np.complex(0,1)*const[ii]*freq)
print 'size of fourvec', np.shape(fourvec)
data=frames[:,:]*fourvec
print 'size of data', np.shape(data)
data=np.mean(data,axis=0)
data=data.reshape(xsize,ysize)
pg.image(data)
# pg.image(background)
# diffimage=np.zeros(np.shape(self.imageData))
# print 'single:', np.shape(self.imageData[4])
# for i in range(self.imageData.shape[0]):
# diffimage[i]=self.imageData[i]/background
# #self.imageData[i]/background
# print 'size of diffimage', np.shape(diffimage)
# refimage=self.imageData[frame_start]/self.imageData[10]
# conddiff=np.mean(diffimage,axis=0)-refimage
# graphme=conddiff/conddiff.mean()/conddiff.std()
# pg.image(graphme,title='graphme')
#self.subtract_Background(diffup=diffup)
#self.Analysis_FourierMap_TFR(period=measuredPeriod, target = target, bins=binsize, up=upflag)
print 'target:', target
def parse_and_go(self, argsin = None):
global period
global binsize
parser=OptionParser() # command line options
##### parses all of the options inputted at the command line TFR 11/13/2015
parser.add_option("-u", "--upfile", dest="upfile", metavar='FILE',
help="load the up-file")
parser.add_option("-d", "--downfile", dest="downfile", metavar='FILE',
help="load the down-file")
parser.add_option("-D", "--directory", dest="directory", metavar='FILE',
help="Use directory for data")
parser.add_option("-t", "--test", dest="test", action='store_true',
help="Test mode to check calculations", default=False)
parser.add_option("-p", '--period', dest = "period", default=4.25, type="float",
help = "Stimulus cycle period")
parser.add_option("-c", '--cycles', dest = "cycles", default=0, type="int",
help = "# cycles to analyze")
parser.add_option("-b", '--binning', dest = "binsize", default=0, type="int",
help = "bin reduction x,y")
parser.add_option("-g", '--gfilter', dest = "gfilt", default=0, type="float",
help = "gaussian filter width")
parser.add_option("-f", '--fdict', dest = "fdict", default=0, type="int",
help = "Use dictionary entry")
if argsin is not None:
(options, args) = parser.parse_args(argsin)
else:
(options, args) = parser.parse_args()
if options.test is True:
print "Running Test Sample"
period = 8.0 # period and frame sample rate can be different
framerate = 8.0
nper = 1
d = 10.0*numpy.random.normal(size=(2500,128,128)).astype('float32')
ds = d.shape
self.nFrames = d.shape[0]
self.nPhases = 10
maxdel = 50
self.phasex = []
self.phasey = []
for i in range(0,self.nPhases):
dx = i*ds[1]/self.nPhases # each phase is assigned to a region
baseline = 0.0
self.resp = numpy.zeros((self.nFrames,))
phaseDelay = 0.25*period+period*(float(i)/self.nPhases) # phase delay for this region from 0 to nearly the stimulus repeat period
# print '********phase delay: ', phaseDelay
for j in range(0, nper): # for each period
tdelay = (float(j) * period) + phaseDelay # time to phase delay point
idelay = int(numpy.floor(tdelay*framerate)) # convert to frame position in frame space
# print ' tdel: ', tdelay, ' idel: ', idelay
# if idelay < self.nFrames-maxdel:
# self.resp[idelay:idelay+maxdel] = (i+1)*numpy.exp(-numpy.linspace(0, 2, maxdel)) # marks amplitudes as well
self.resp = 1000.0*numpy.sin(
numpy.linspace(0, 2.0*numpy.pi*self.nFrames/(period*framerate), self.nFrames)+i*numpy.pi/8.0 - numpy.pi/2.0)
d[:, dx:dx+int(ds[1]/self.nPhases), 5:int(ds[2]/2)] += self.resp[:, numpy.newaxis, numpy.newaxis]
self.phasex.append( (2+(dx+int(ds[1]/self.nPhases))/2))
self.phasey.append((6+int(ds[2]/2)/2)) # make the signal equivalent of digitized one (baseline 3000, signal at 1e-4 of baseline)
d = (d*3000.0*1e-4)+3000.0 # scale and offset to match data scaling coming in
self.imageData = d.astype('int16') # reduce to a 16-bit map to match camera data type
self.times = numpy.arange(0, self.nFrames/framerate, 1.0/framerate)
print "Test Image Created"
getout2 = fac_lift(self.imageData, self.times)
self.imageData=getout2
self.Analysis_FourierMap_TFR(period=period, target = 1, mode=1, bins=binsize)
print "Completed Analysis FourierMap"
self.plotmaps_pg(mode = 2, gfilter = 0)
print "Completed plot maps"
if options.period is not None:
measuredPeriod = options.period
if options.cycles is not None:
self.nCycles = options.cycles
if options.binsize is not None:
binsize = options.binsize
if options.gfilt is not None:
gfilt = options.gfilt
if options.upfile is not None:
self.upfile = options.upfile
target = 1
if options.downfile is not None:
self.downfile = options.downfile
target = 2
target = 0
videoupf = None
videodwnf = None
audioupf = None
audiodwnf = None
print 'DB keys', DB.keys()
if options.fdict is not None:
if options.fdict in DB.keys(): # populate options
options.upfile = DB[options.fdict][0]
options.downfile = DB[options.fdict][1]
options.period = DB[options.fdict][4]
else:
print "File %d NOT in DBase\n" % options.fdict
return
if options.directory is not None:
self.directory = options.directory
if options.upfile is not None:
upf = basepath + options.upfile + '/Camera/frames.ma'
if options.downfile is not None:
dwnf = basepath + options.downfile + '/Camera/frames.ma'
# if options.upfile is not None:
# videoupf = videobasepath + options.upfile + '.ma'
# audioupf = audiobasepath + options.upfile + '/DaqDevice.ma'
# if options.downfile is not None:
# videodwnf = videobasepath + options.downfile + '.ma'
# audiodwnf = audiobasepath + options.downfile + '/DaqDevice.ma'
im=[]
self.imageData = []
print "loading data from ", videoupf
try:
im = MetaArray(file = videoupf, subset=(slice(0,2), slice(64,128), slice(64,128)))
except:
print "Error loading upfile: %s\n" % videoupf
return
print "data loaded"
# rawtimes=[]
# rawimageData=[]
# rawtimes = im.axisValues('Time').astype('float32')
# rawimageData = im.view(np.ndarray).astype('float32')
#
self.times = im.axisValues('Time').astype('float32')
self.imageData = im.view(np.ndarray).astype('float32')
#reads the timestamps from the files
# indexFile = configfile.readConfigFile(basepath+'.index')
# timestampup = indexFile.__getitem__('video_'+DB[options.fdict][0]+'.ma')[u'__timestamp__']
# audioupindex = configfile.readConfigFile(audiobasepath+DB[options.fdict][0]+'/.index')
# audioupstamp = audioupindex.__getitem__(u'.')[u'__timestamp__']
# diffup = audioupstamp - timestampup
# audio = MetaArray(file = audioupf, subset=(slice(0,2), slice(64,128), slice(64,128)))
# audiotime = audio.axisValues('Time').astype('float32')
# audiomin = np.min(audiotime) + diffup
# audiomax = np.max(audiotime) + diffup
# print 'audiomin', audiomin
# print 'audiomax', audiomax
# adjustedtime = rawtimes[np.logical_and(rawtimes <= audiomax+5, rawtimes >= audiomin)]
# frame_start=np.amin(np.where(rawtimes >= audiomin))
# frame_end=np.amax(np.where(rawtimes <= audiomax+4))
# adjustedimagedata = rawimageData[frame_start:frame_end]
#adjustedimagedata = rawimageData[np.logical_and(rawtimes <= audiomax+.5, rawtimes >= audiomin)]
# self.times = [x-np.min(adjustedtime) for x in adjustedtime]
# self.imageData = adjustedimagedata
# self.imageData=np.mean(self.imageData, axis=0)
#background image
background = rawimageData[5:25]
pg.image(background[0], title='first background slice')
background = np.mean(background,axis=0)
print 'dimensions of background', np.shape(background)
pg.image(background, title='mean background')
#subtract background from image files
print 'dimensions of imagedata', np.shape(self.imageData)
subtracted = np.zeros(np.shape(self.imageData), float)
divided = np.zeros(np.shape(self.imageData), float)
for i in range(self.imageData.shape[0]):
subtracted[i,:,:] = (self.imageData[i,:,:]-background)
divided[i,:,:] = self.imageData[i,:,:]/background
#subtracted = self.imageData-background
subtracted=subtracted/subtracted.mean()
divided=divided/divided.mean()
print 'dimensions of subtracted', np.shape(subtracted)
print 'dimensions of divided', np.shape(divided)
subtracted = np.mean(subtracted, axis=0)
divided = np.mean(divided,axis=0)
pg.image(subtracted, title='subtracted')
pg.image(divided,title='divided')
self.imageData = np.mean(self.imageData, axis=0)
print 'dimensions of imagedata', np.shape(self.imageData)
pg.image(self.imageData,title='mean raw image')
edges=feature.canny(self.imageData, sigma=3)
pg.image(edges,title='edges')
# for background file
# im2=[]
# self.imageData2 = []
# adjustedimagedata = []
# print "loading data from ", videodwnf
# try:
# im2 = MetaArray(file = videodwnf, subset=(slice(0,2), slice(64,128), slice(64,128)))
# except:
# print "Error loading upfile: %s\n" % videodwnf
# return
# print "data loaded"
# rawtimes=[]
# rawimageData=[]
# rawtimes = im2.axisValues('Time').astype('float32')
# rawimageData = im2.view(np.ndarray).astype('float32')
# #
# #reads the timestamps from the files
# indexFile = configfile.readConfigFile(basepath+'.index')
# timestampdwn = indexFile.__getitem__('video_'+DB[options.fdict][1]+'.ma')[u'__timestamp__']
# audiodwnindex = configfile.readConfigFile(audiobasepath+DB[options.fdict][1]+'/.index')
# audiodwnstamp = audiodwnindex.__getitem__(u'.')[u'__timestamp__']
# diffdwn = audiodwnstamp - timestampdwn
# audio = MetaArray(file = audiodwnf, subset=(slice(0,2), slice(64,128), slice(64,128)))
# audiotime = audio.axisValues('Time').astype('float32')
# audiomin = np.min(audiotime) + diffdwn
# audiomax = np.max(audiotime) + diffdwn
# print 'audiomin', audiomin
# print 'audiomax', audiomax
# adjustedtime = rawtimes[np.logical_and(rawtimes <= audiomax+.5, rawtimes >= audiomin)]
# frame_start=np.amin(np.where(rawtimes >= audiomin))
# frame_end=np.amax(np.where(rawtimes <= audiomax+0.5))
# adjustedimagedata = rawimageData[frame_start:frame_end]
# self.times = [x-np.min(adjustedtime) for x in adjustedtime]
# self.imageData2 = adjustedimagedata
# self.imageData2=np.mean(self.imageData2, axis=0)
# print 'size of imagedata', self.imageData2.shape
# diffframes = self.imageData/self.imageData2
# print 'mean:', diffframes.mean()
# print 'std:', diffframes.std()
# procimage=diffframes/diffframes.mean()/diffframes.std()
# self.avgframes = pg.image(diffframes, title='Average across frames')
# self.diff_frames = pg.image(procimage, title='Normalized Average across frames')
# self.imagebck=pg.image(rawimageData[10])
#self.avgframes = pg.image(procimage, title='Average across frames')
return
class MakeClamps():
"""
Make non-acq4 data usable in our ephysanalysis routines by converting into an acq4-type structure
Usage:
Create the MakeClamps instance
Use set_clamps to bring the data into the structure
The instance of "MakeClamps" will have all the variables needed
self.plot provides a simple plot of the data and stimlulus waveform to check the import
self.read_pfile(filename) reads a simple dictionary-based pickled file and converts the data into
a Clamps format.
"""
def __init__(self, timeunits='ms'):
self.timeunits = timeunits
pass
def set_clamps(self, dmode='CC', time=None, data=None, cmdwave=None, cmdvalues=None, tstep=[0.01, 0.100]):
"""
Set up the clamp data from any source
Parameters
----------
dmode : str (default: 'CC')
data mode. Should be one of 'CC', 'VC', or maybe 'I=0'
time : np.array (default: None)
time array. May be an array of arrays, one for each of the data traces
organized by [trace, timevalues]
data : np.array (default: None)
data array. May be an array of arrays, one for each trace
organized by [tace, datavalues]
cmdwave : np.array or list (default: None)
command waveform
organized by [trace, command waveform]
cmdvalues: np.array or list (default: None)
a list of the command values (not the waveform)
tstep : list or np.array, 2 element (default: [0.01, 0.1])
command step on time and duration
"""
self.data = data*1e-3
if self.timeunits in ['ms']:
tfactor = 1e-3
elif self.timeunits in ['s', 'sec']:
tfactor = 1.0
if time.ndim > 0:
self.rate = np.diff(time[0,:])*tfactor
self.time = time[0,:]*tfactor
else:
self.rate = np.diff(time)*tfactor
self.time = time*tfactor
self.cmd_wave = cmdwave*1e-9
self.cmd_values = [c*1e9 for c in cmdvalues]
self.tstep = [t*tfactor for t in tstep]
self.dmode = dmode
self.getClampData()
def read_pfile(self, filename):
"""
Reads a file written from model_run in VCN models - simple dict structure
]"""
fh = open(filename, 'rb')
df = pickle.load(fh)
r = df['Results'][0]
vdat = []
idat = []
icmd = []
time = []
for trial in range(len(df['Results'])):
icmd.append(trial)
ds = df['Results'][trial]
k0 = list(df['Results'][trial].keys())[0]
dx = ds[k0]['monitor']
vdat.append(dx['postsynapticV'])
idat.append(dx['postsynapticI'])
time.append(dx['time'])
vdat = np.array(vdat)
idat = np.array(idat)
time = np.array(time)
print(vdat.shape, idat.shape)
self.set_clamps(time=time, data=vdat, cmdwave=idat, cmdvalues=icmd,
tstep=[df['runInfo']['stimDelay'], df['runInfo']['stimDur']])
def plot(self):
P = PH.Plotter((2, 1), figsize=(6, 4))
cell_ax = list(P.axdict.keys())[0]
iax = list(P.axdict.keys())[1]
for i in range(self.traces.shape[0]):
P.axdict[cell_ax].plot(self.time, self.traces.view(np.ndarray)[i], linewidth=1.0)
P.axdict[iax].plot(self.time, self.cmd_wave.view(np.ndarray)[i], linewidth=1.0)
P.axdict[cell_ax].set_xlim(0., 150.)
P.axdict[cell_ax].set_ylim(-200., 50.)
PH.calbar(P.axdict[cell_ax], calbar=[120., -95., 25., 20.], axesoff=True, orient='left',
unitNames={'x': 'ms', 'y': 'mV'}, font='Arial', fontsize=8)
# mpl.savefig(outfile)
mpl.show()
def getClampData(self, verbose=False):
"""
Translates fields as best as we can from the original DATAC structure
create a Clamp structure for use in SpikeAnalysis and RMTauAnalysis.
Fills in the fields that are returned by PatchEPhys getClamps:
clampInfo['dirs]
clampInfo['missingData']
self.time_base
self.values
self.traceStartTimes = np.zeros(0)
self.sequence
self.clampValues (sequence)
self.nclamp = len(self.clmapVlaues
self.repc
self.nrepc
self.data_mode
self.model_mode = False
self.command_scale_factor
self.command_units
self.devicesUsed
self.clampDevices
self.holding
self.clampState
self.sample_interval
self.RSeriesUncomp
self.amplifeirSettings['WCCompValid', 'WCEmabled', 'CompEnabled', 'WCSeriesResistance']
self.cmd_wave
self.commandLevels (np.array(self.values))
self.traces = MetaArray(traces, info=info)
self.tstart
self.tdur
self.tend
self.spikecount = np.zeros(len...) if in vcmode.
Info from an example data file:
[{'name': 'Channel', 'cols': [{'units': 'A', 'name': 'Command'}, {'units': 'V', 'name': 'primary'}, {'units': 'A', 'name': 'secondary'}]},
{'units': 's', 'values': array([ 0.00000000e+00, 2.50000000e-05, 5.00000000e-05, ..., 6.99925000e-01, 6.99950000e-01, 6.99975000e-01]),
'name': 'Time'}, {'ClampState': {'primaryGain': 10.0, 'ClampParams': {'OutputZeroEnable': 0, 'PipetteOffset': 0.05197399854660034,
'Holding': -1.525747063413352e-11, 'PrimarySignalHPF': 0.0, 'BridgeBalResist': 20757020.0, 'PrimarySignalLPF': 20000.0, 'RsCompBandwidth':
8.413395979806202e-42, 'WholeCellCompResist': 8.413395979806202e-42, 'WholeCellCompEnable': 6004, 'LeakSubResist': 8.413395979806202e-42,
'HoldingEnable': 1, 'FastCompTau': 8.413395979806202e-42, 'SlowCompCap': 8.413395979806202e-42, 'WholeCellCompCap': 8.413395979806202e-42,
'LeakSubEnable': 6004, 'NeutralizationCap': 1.9578947837994853e-12, 'BridgeBalEnable': 1, 'RsCompCorrection': 8.413395979806202e-42,
'NeutralizationEnable': 1, 'RsCompEnable': 6004, 'OutputZeroAmplitude': -0.0009990156395360827, 'FastCompCap': 8.413395979806202e-42,
'SlowCompTau': 8.413395979806202e-42}, 'secondarySignal': 'Command Current', 'secondaryGain': 1.0, 'secondaryScaleFactor': 2e-09,
'primarySignal': 'Membrane Potential', 'extCmdScale': 4e-10, 'mode': 'IC', 'holding': 0.0, 'primaryUnits': 'V', 'LPFCutoff': 20000.0,
'secondaryUnits': 'A', 'primaryScaleFactor': 0.1, 'membraneCapacitance': 0.0}, 'Protocol': {'recordState': True, 'secondary': None,
'primary': None, 'mode': 'IC'}, 'DAQ': {'command': {'numPts': 28000, 'rate': 40000.0, 'type': 'ao', 'startTime': 1296241556.7347913},
'primary': {'numPts': 28000, 'rate': 40000.0, 'type': 'ai', 'startTime': 1296241556.7347913}, 'secondary': {'numPts': 28000, 'rate':
40000.0, 'type': 'ai', 'startTime': 1296241556.7347913}}, 'startTime': 1296241556.7347913}]
)
"""
if self.data is None:
raise ValueError('No data has been set')
protocol = ''
points = self.data.shape[1]
recs = range(self.data.shape[0])
self.sample_interval = self.rate[0]# *1e-6 # express in seconds
self.sample_rate = [1./self.sample_interval for r in recs]
self.traces = np.array(self.data)
dt = self.sample_interval # make assumption that rate is constant in a block
self.time_base = self.time # in seconds
if self.dmode == 'CC': # use first channel
mainch = 0
cmdch = 1
else: # assumption is swapped - for this data, that means voltage clamp mode.
mainch = 1
cmdch = 0
self.tstart = self.tstep[0] # could be pulled from protocol/stimulus information
self.tdur = self.tstep[1]
self.tend = self.tstart + self.tdur
t0 = int(self.tstart/dt)
t1 = int(self.tend/dt)
if self.cmd_wave is not None:
self.values = np.nanmean(self.cmd_wave[:, t0:t1], axis=1) # express values in amps
else:
self.values = np.array(self.cmd_values) # just given the values?
self.commandLevels = self.values
info = [{'units': 'A', 'values': self.values, 'name': 'Command'},
{'name': 'Time', 'units': 's', 'values': self.time_base},
{'ClampState': # note that many of these values are just defaults and cannot be relied upon
{'primaryGain': 1.0, 'ClampParams':
{'OutputZeroEnable': 0, 'PipetteOffset': 0.0,
'Holding': 0, 'PrimarySignalHPF': 0.0, 'BridgeBalResist': 0.0,
'PrimarySignalLPF': 20000.0, 'RsCompBandwidth': 0.0,
'WholeCellCompResist': 0.0, 'WholeCellCompEnable': 6004, 'LeakSubResist': 0.0,
'HoldingEnable': 1, 'FastCompTau': 0.0, 'SlowCompCap': 0.0,
'WholeCellCompCap': 0.,
'LeakSubEnable': 6004, 'NeutralizationCap': 0.,
'BridgeBalEnable': 0, 'RsCompCorrection': 0.0,
'NeutralizationEnable': 1, 'RsCompEnable': 6004,
'OutputZeroAmplitude': 0., 'FastCompCap': 0.,
'SlowCompTau': 0.0}, 'secondarySignal':
'Command Current', 'secondaryGain': 1.0,
'secondaryScaleFactor': 2e-09,
'primarySignal': 'Membrane Potential', 'extCmdScale': 4e-10,
'mode': self.dmode, 'holding': 0.0, 'primaryUnits': 'V',
'LPFCutoff': 10000.,
'secondaryUnits': 'A', 'primaryScaleFactor': 0.1,
'membraneCapacitance': 0.0},
'Protocol': {'recordState': True, 'secondary': None,
'primary': None, 'mode': 'IC'},
'DAQ': {'command': {'numPts': points, 'rate': self.sample_interval,
'type': 'ao', 'startTime': 0.},
' primary': {'numPts': points, 'rate': self.sample_interval,
'type': 'ai', 'startTime': 0.},
'secondary': {'numPts': points, 'rate': self.sample_interval,
'type': 'ai', 'startTime': 0.}
},
'startTime': 0.}
]
# filled, automatically with default values
self.repc = 1
self.nrepc = 1
self.model_mode = False
self.command_scale_factor = 1
self.command_units = 'A'
self.devicesUsed = None
self.clampDevices = None
self.holding = 0.
self.amplfierSettings = {'WCCompValid': False, 'WCEnabled': False,
'CompEnabled': False, 'WCSeriesResistance': 0.}
self.WCComp = 0.
self.CCComp = 0.
self.clampState = None
self.RSeriesUncomp = 0.
self.tend = self.tstart + self.tdur
# if self.traces.shape[0] > 1:
# # dependiung on the mode, select which channel goes to traces
# self.traces = self.traces[:,mainch,:]
# else:
# self.traces[0,mainch,:] = self.traces[0,mainch,:]
self.traces = MetaArray(self.traces, info=info)
self.cmd_wave = MetaArray(self.cmd_wave,
info=[{'name': 'Command', 'units': 'nA',
'values': np.array(self.values)},
self.traces.infoCopy('Time'), self.traces.infoCopy(-1)])
self.spikecount = np.zeros(len(recs))
self.rgnrmp = [0, 0.005]
def parse_and_go(self, argsin=None):
global period
parser = OptionParser() # command line options
##### parses all of the options inputted at the command line TFR 11/13/2015
parser.add_option("-u",
"--upfile",
dest="upfile",
metavar='FILE',
help="load the up-file")
parser.add_option("-d",
"--downfile",
dest="downfile",
metavar='FILE',
help="load the down-file")
parser.add_option("-D",
"--directory",
dest="directory",
metavar='FILE',
help="Use directory for data")
parser.add_option("-t",
"--test",
dest="test",
action='store_true',
help="Test mode to check calculations",
default=False)
parser.add_option("-p",
'--period',
dest="period",
default=8.0,
type="float",
help="Stimulus cycle period")
parser.add_option("-c",
'--cycles',
dest="cycles",
default=0,
type="int",
help="# cycles to analyze")
parser.add_option("-b",
'--binning',
dest="binsize",
default=0,
type="int",
help="bin reduction x,y")
parser.add_option("-g",
'--gfilter',
dest="gfilt",
default=0,
type="float",
help="gaussian filter width")
parser.add_option("-f",
'--fdict',
dest="fdict",
default=0,
type="int",
help="Use dictionary entry")
if argsin is not None:
(options, args) = parser.parse_args(argsin)
else:
(options, args) = parser.parse_args()
if options.period is not None:
measuredPeriod = options.period
if options.cycles is not None:
self.nCycles = options.cycles
if options.binsize is not None:
binsize = options.binsize
if options.gfilt is not None:
gfilt = options.gfilt
#TFR- this code generates a test signal for running a test analysis sequence
print options.test
if options.test is True:
print "Running Test Sample"
period = 8.0 # period and frame sample rate can be different
framerate = 8.0
nper = 1
d = 10.0 * numpy.random.normal(size=(2500, 128,
128)).astype('float32')
ds = d.shape
self.nFrames = d.shape[0]
self.nPhases = 10
maxdel = 50
self.phasex = []
self.phasey = []
for i in range(0, self.nPhases):
dx = i * ds[
1] / self.nPhases # each phase is assigned to a region
baseline = 0.0
self.resp = numpy.zeros((self.nFrames, ))
phaseDelay = 0.25 * period + period * (
float(i) / self.nPhases
) # phase delay for this region from 0 to nearly the stimulus repeat period
# print '********phase delay: ', phaseDelay
for j in range(0, nper): # for each period
tdelay = (float(j) *
period) + phaseDelay # time to phase delay point
idelay = int(numpy.floor(
tdelay *
framerate)) # convert to frame position in frame space
# print ' tdel: ', tdelay, ' idel: ', idelay
# if idelay < self.nFrames-maxdel:
# self.resp[idelay:idelay+maxdel] = (i+1)*numpy.exp(-numpy.linspace(0, 2, maxdel)) # marks amplitudes as well
self.resp = numpy.sin(
numpy.linspace(
0, 2.0 * numpy.pi * self.nFrames /
(period * framerate), self.nFrames) +
i * numpy.pi / 8 - numpy.pi / 2.0)
d[:, dx:dx + int(ds[1] / self.nPhases),
5:int(ds[2] / 2)] += self.resp[:, numpy.newaxis,
numpy.newaxis]
self.phasex.append((2 + (dx + int(ds[1] / self.nPhases)) / 2))
self.phasey.append(
(6 + int(ds[2] / 2) / 2)
) # make the signal equivalent of digitized one (baseline 3000, signal at 1e-4 of baseline)
d = (d * 3000.0 * 1e-4
) + 3000.0 # scale and offset to match data scaling coming in
self.imageData = d.astype(
'int16') # reduce to a 16-bit map to match camera data type
self.times = numpy.arange(0, self.nFrames / framerate,
1.0 / framerate)
print "Test Image Created"
self.Analysis_FourierMap(period=period,
target=1,
mode=1,
bins=binsize)
print "Completed Analysis FourierMap"
self.plotmaps_pg(mode=2, gfilter=gfilt)
print "Completed plot maps"
return
if options.fdict is not None:
if options.fdict in DB.keys(): # populate options
options.upfile = DB[options.fdict][0]
options.downfile = DB[options.fdict][1]
options.period = DB[options.fdict][4]
else:
print "File %d NOT in DBase\n" % options.fdict
return
if options.directory is not None:
self.directory = options.directory
if options.upfile is not None:
self.upfile = options.upfile
target = 1
if options.downfile is not None:
self.downfile = options.downfile
target = 2
target = 0
upf = None
dwnf = None
if options.upfile is not None:
upf = basepath + options.upfile + '/Camera/frames.ma'
if options.downfile is not None:
dwnf = basepath + options.downfile + '/Camera/frames.ma'
for file in (upf, dwnf):
#if options.upfile is not None and options.downfile is not None:
if file is None:
break
im = []
self.imageData = []
print "loading data from ", file
try:
im = MetaArray(file=file,
subset=(slice(0, 2), slice(64,
128), slice(64,
128)))
except:
print "Error loading upfile: %s\n" % file
return
print "data loaded"
target = target + 1
self.times = im.axisValues('Time').astype('float32')
self.imageData = im.view(np.ndarray).astype('float32')
im = []
if file is upf:
upflag = 1
else:
upflag = 0
measuredPeriod = 1.25
self.Analysis_FourierMap(period=measuredPeriod,
target=target,
bins=binsize,
up=upflag)
if target > 0:
self.plotmaps_pg(mode=1, target=target, gfilter=gfilt)
self.firstframe = pg.image(self.imageData[0],
title='first frame of image')
def getClampData(self, block, verbose=False, tstart_tdur=[0.01, 0.100]):
"""
Translates fields as best as we can from the original DATAC structure
create a Clamp structure for use in SpikeAnalysis and RMTauAnalysis.
Fills in the fields that are returned by PatchEPhys getClamps:
clampInfo['dirs]
clampInfo['missingData']
self.time_base
self.values
self.traceStartTimes = np.zeros(0)
self.sequence
self.clampValues (sequence)
self.nclamp = len(self.clmapVlaues
self.repc
self.nrepc
self.data_mode
self.model_mode = False
self.command_scale_factor
self.command_units
self.devicesUsed
self.clampDevices
self.holding
self.clampState
self.sample_interval
self.RSeriesUncomp
self.amplifeirSettings['WCCompValid', 'WCEmabled', 'CompEnabled', 'WCSeriesResistance']
self.cmd_wave
self.commandLevels (np.array(self.values))
self.traces = MetaArray(traces, info=info)
self.tstart
self.tdur
self.tend
self.spikecount = np.zeros(len...) if in vcmode.
Info from an example data file:
[{'name': 'Channel', 'cols': [{'units': 'A', 'name': 'Command'}, {'units': 'V', 'name': 'primary'}, {'units': 'A', 'name': 'secondary'}]},
{'units': 's', 'values': array([ 0.00000000e+00, 2.50000000e-05, 5.00000000e-05, ..., 6.99925000e-01, 6.99950000e-01, 6.99975000e-01]),
'name': 'Time'}, {'ClampState': {'primaryGain': 10.0, 'ClampParams': {'OutputZeroEnable': 0, 'PipetteOffset': 0.05197399854660034,
'Holding': -1.525747063413352e-11, 'PrimarySignalHPF': 0.0, 'BridgeBalResist': 20757020.0, 'PrimarySignalLPF': 20000.0, 'RsCompBandwidth':
8.413395979806202e-42, 'WholeCellCompResist': 8.413395979806202e-42, 'WholeCellCompEnable': 6004, 'LeakSubResist': 8.413395979806202e-42,
'HoldingEnable': 1, 'FastCompTau': 8.413395979806202e-42, 'SlowCompCap': 8.413395979806202e-42, 'WholeCellCompCap': 8.413395979806202e-42,
'LeakSubEnable': 6004, 'NeutralizationCap': 1.9578947837994853e-12, 'BridgeBalEnable': 1, 'RsCompCorrection': 8.413395979806202e-42,
'NeutralizationEnable': 1, 'RsCompEnable': 6004, 'OutputZeroAmplitude': -0.0009990156395360827, 'FastCompCap': 8.413395979806202e-42,
'SlowCompTau': 8.413395979806202e-42}, 'secondarySignal': 'Command Current', 'secondaryGain': 1.0, 'secondaryScaleFactor': 2e-09,
'primarySignal': 'Membrane Potential', 'extCmdScale': 4e-10, 'mode': 'IC', 'holding': 0.0, 'primaryUnits': 'V', 'LPFCutoff': 20000.0,
'secondaryUnits': 'A', 'primaryScaleFactor': 0.1, 'membraneCapacitance': 0.0}, 'Protocol': {'recordState': True, 'secondary': None,
'primary': None, 'mode': 'IC'}, 'DAQ': {'command': {'numPts': 28000, 'rate': 40000.0, 'type': 'ao', 'startTime': 1296241556.7347913},
'primary': {'numPts': 28000, 'rate': 40000.0, 'type': 'ai', 'startTime': 1296241556.7347913}, 'secondary': {'numPts': 28000, 'rate':
40000.0, 'type': 'ai', 'startTime': 1296241556.7347913}}, 'startTime': 1296241556.7347913}]
)
"""
if self.datac.data is None:
raise ValueError('No data has been read from the file %s' %
self.datac.fullfile)
protocol = ''
self.sample_interval = self.datac.rate[0] * 1e-6 # express in seconds
self.traces = np.array(self.datac.data)
self.datac.data.shape
points = self.datac.nr_points
nchannels = self.datac.nr_channel
recs = self.datac.record
dt = 1e-3 * nchannels / self.datac.rate[
0] # make assumption that rate is constant in a block
self.time_base = 1e-3 * np.arange(
0., self.datac.nr_points / self.datac.rate[0],
1. / self.datac.rate[0]) # in seconds
if self.datac.dmode == 'CC': # use first channel
mainch = 0
cmdch = 1
else: # assumption is swapped - for this data, that means voltage clamp mode.
mainch = 1
cmdch = 0
cmds = self.traces[:, cmdch, :]
self.tstart = tstart_tdur[
0] # could be pulled from protocol/stimulus information
self.tdur = tstart_tdur[1]
self.tend = self.tstart + self.tdur
t0 = int(self.tstart / dt)
t1 = int(self.tend / dt)
self.cmd_wave = np.squeeze(self.traces[:, cmdch, :])
if cmds.shape[0] > 1:
self.values = np.nanmean(self.cmd_wave[:, t0:t1],
axis=1) # express values in amps
else:
self.values = np.zeros_like(self.traces.shape[1:2])
self.commandLevels = self.values
info = [
{
'units': 'A',
'values': self.values,
'name': 'Command'
},
{
'name': 'Time',
'units': 's',
'values': self.time_base
},
{
'ClampState': # note that many of these values are just defaults and cannot be relied upon
{
'primaryGain': self.datac.gain,
'ClampParams': {
'OutputZeroEnable': 0,
'PipetteOffset': 0.0,
'Holding': 0,
'PrimarySignalHPF': 0.0,
'BridgeBalResist': 0.0,
'PrimarySignalLPF': 20000.0,
'RsCompBandwidth': 0.0,
'WholeCellCompResist': 0.0,
'WholeCellCompEnable': 6004,
'LeakSubResist': 0.0,
'HoldingEnable': 1,
'FastCompTau': 0.0,
'SlowCompCap': 0.0,
'WholeCellCompCap': 0.,
'LeakSubEnable': 6004,
'NeutralizationCap': 0.,
'BridgeBalEnable': 0,
'RsCompCorrection': 0.0,
'NeutralizationEnable': 1,
'RsCompEnable': 6004,
'OutputZeroAmplitude': 0.,
'FastCompCap': 0.,
'SlowCompTau': 0.0
},
'secondarySignal': 'Command Current',
'secondaryGain': 1.0,
'secondaryScaleFactor': 2e-09,
'primarySignal': 'Membrane Potential',
'extCmdScale': 4e-10,
'mode': self.datac.dmode,
'holding': 0.0,
'primaryUnits': 'V',
'LPFCutoff': self.datac.low_pass,
'secondaryUnits': 'A',
'primaryScaleFactor': 0.1,
'membraneCapacitance': 0.0
},
'Protocol': {
'recordState': True,
'secondary': None,
'primary': None,
'mode': 'IC'
},
'DAQ': {
'command': {
'numPts': points,
'rate': self.sample_interval,
'type': 'ao',
'startTime': 0.
},
' primary': {
'numPts': points,
'rate': self.sample_interval,
'type': 'ai',
'startTime': 0.
},
'secondary': {
'numPts': points,
'rate': self.sample_interval,
'type': 'ai',
'startTime': 0.
}
},
'startTime': 0.
}
]
# filled, automatically with default values
self.repc = 1
self.nrepc = 1
self.model_mode = False
self.command_scale_factor = 1
self.command_units = 'A'
self.devicesUsed = None
self.clampDevices = None
self.holding = 0.
self.amplfierSettings = {
'WCCompValid': False,
'WCEnabled': False,
'CompEnabled': False,
'WCSeriesResistance': 0.
}
self.clampState = None
self.RSeriesUncomp = 0.
self.protoTimes = {'drugtestiv': [0.21, 0.51], 'ap-iv2': [0.01, 0.5]}
if protocol in self.protoTimes:
self.tstart = self.protoTimes[protocol][0]
self.tdur = self.protoTimes[protocol][1]
self.tend = self.tstart + self.tdur
if self.traces.shape[0] > 1:
# dependiung on the mode, select which channel goes to traces
self.traces = self.traces[:, mainch, :]
else:
self.traces[0, mainch, :] = self.traces[0, mainch, :]
self.traces = MetaArray(self.traces, info=info)
self.spikecount = np.zeros(len(recs))
self.rgnrmp = [0, 0.005]
def parse_and_go(self, argsin = None):
global period
global binsize
parser=OptionParser() # command line options
##### parses all of the options inputted at the command line TFR 11/13/2015
parser.add_option("-u", "--upfile", dest="upfile", metavar='FILE',
help="load the up-file")
parser.add_option("-d", "--downfile", dest="downfile", metavar='FILE',
help="load the down-file")
parser.add_option("-D", "--directory", dest="directory", metavar='FILE',
help="Use directory for data")
parser.add_option("-t", "--test", dest="test", action='store_true',
help="Test mode to check calculations", default=False)
parser.add_option("-p", '--period', dest = "period", default=4.25, type="float",
help = "Stimulus cycle period")
parser.add_option("-c", '--cycles', dest = "cycles", default=0, type="int",
help = "# cycles to analyze")
parser.add_option("-b", '--binning', dest = "binsize", default=0, type="int",
help = "bin reduction x,y")
parser.add_option("-g", '--gfilter', dest = "gfilt", default=0, type="float",
help = "gaussian filter width")
parser.add_option("-f", '--fdict', dest = "fdict", default=0, type="int",
help = "Use dictionary entry")
if argsin is not None:
(options, args) = parser.parse_args(argsin)
else:
(options, args) = parser.parse_args()
if options.test is True:
print "Running Test Sample"
period = 8.0 # period and frame sample rate can be different
framerate = 8.0
nper = 1
d = 10.0*numpy.random.normal(size=(2500,128,128)).astype('float32')
ds = d.shape
self.nFrames = d.shape[0]
self.nPhases = 10
maxdel = 50
self.phasex = []
self.phasey = []
for i in range(0,self.nPhases):
dx = i*ds[1]/self.nPhases # each phase is assigned to a region
baseline = 0.0
self.resp = numpy.zeros((self.nFrames,))
phaseDelay = 0.25*period+period*(float(i)/self.nPhases) # phase delay for this region from 0 to nearly the stimulus repeat period
# print '********phase delay: ', phaseDelay
for j in range(0, nper): # for each period
tdelay = (float(j) * period) + phaseDelay # time to phase delay point
idelay = int(numpy.floor(tdelay*framerate)) # convert to frame position in frame space
# print ' tdel: ', tdelay, ' idel: ', idelay
# if idelay < self.nFrames-maxdel:
# self.resp[idelay:idelay+maxdel] = (i+1)*numpy.exp(-numpy.linspace(0, 2, maxdel)) # marks amplitudes as well
self.resp = 1000.0*numpy.sin(
numpy.linspace(0, 2.0*numpy.pi*self.nFrames/(period*framerate), self.nFrames)+i*numpy.pi/8.0 - numpy.pi/2.0)
d[:, dx:dx+int(ds[1]/self.nPhases), 5:int(ds[2]/2)] += self.resp[:, numpy.newaxis, numpy.newaxis]
self.phasex.append( (2+(dx+int(ds[1]/self.nPhases))/2))
self.phasey.append((6+int(ds[2]/2)/2)) # make the signal equivalent of digitized one (baseline 3000, signal at 1e-4 of baseline)
d = (d*3000.0*1e-4)+3000.0 # scale and offset to match data scaling coming in
self.imageData = d.astype('int16') # reduce to a 16-bit map to match camera data type
self.times = numpy.arange(0, self.nFrames/framerate, 1.0/framerate)
print "Test Image Created"
getout2 = fac_lift(self.imageData, self.times)
self.imageData=getout2
self.Analysis_FourierMap_TFR(period=period, target = 1, mode=1, bins=binsize)
print "Completed Analysis FourierMap"
self.plotmaps_pg(mode = 2, gfilter = 0)
print "Completed plot maps"
if options.period is not None:
measuredPeriod = options.period
if options.cycles is not None:
self.nCycles = options.cycles
if options.binsize is not None:
binsize = options.binsize
if options.gfilt is not None:
gfilt = options.gfilt
print 'DB keys', DB.keys()
if options.fdict is not None:
if options.fdict in DB.keys(): # populate options
options.upfile = DB[options.fdict][0]
options.downfile = DB[options.fdict][1]
options.period = DB[options.fdict][4]
else:
print "File %d NOT in DBase\n" % options.fdict
return
if options.directory is not None:
self.directory = options.directory
if options.upfile is not None:
self.upfile = options.upfile
target = 1
if options.downfile is not None:
self.downfile = options.downfile
target = 2
target = 0
videoupf = None
videodwnf = None
audioupf = None
audiodwnf = None
if options.upfile is not None:
videoupf = videobasepath + options.upfile + '.ma'
audioupf = audiobasepath + options.upfile + '/DaqDevice.ma'
if options.downfile is not None:
videodwnf = videobasepath + options.downfile + '.ma'
audiodwnf = audiobasepath + options.downfile + '/DaqDevice.ma'
# indexFile = configfile.readConfigFile(basepath+'.index')
# time = indexFile.__getitem__('video_019.ma')[u'__timestamp__']
#indexFile = configfile.readConfigFile(basepath+'.index')
#print 'indexfile', indexfile
for file in (videoupf, videodwnf):
#if options.upfile is not None and options.downfile is not None:
if file is None:
break
im=[]
self.imageData = []
print "loading data from ", file
try:
im = MetaArray(file = file, subset=(slice(0,2), slice(64,128), slice(64,128)))
except:
print "Error loading upfile: %s\n" % file
return
print "data loaded"
target = target + 1
# dir = acq4.util.DataManager.getHandle(basepath)
# time = dir.info()['__timestamp__']
# print 'time:', time
#print 'im:', im
# dir(im)
rawtimes=[]
rawimageData=[]
rawtimes = im.axisValues('Time').astype('float32')
# print 'time', rawtimes
rawimageData = im.view(np.ndarray).astype('float32')
# print 'shape of ra image data:', rawimageData.shape
## videobasepath = /......./2016.10.08_000/Intrinsic_Mapping/video_'
## indexFile = configFile.readConfigFile('/...../2016.10.08_000/Intrinsic_Mapping/.index') -> a dictionary
# dir = acq4.util.DataManager.getHandle(videoupf)
# time = dir.info()['__timestamp__']
# #timestampup = timestamp[options.fdict][0]
# audioupstamp = timestamp[options.fdict][1]
# #timestampdown = timestamp[options.fdict][2]
# audiodownstamp = timestamp[options.fdict][3]
# #print 'optioins.dict', options.fdict[0]
#reads the timestamps from the files
indexFile = configfile.readConfigFile(basepath+'.index')
timestampup = indexFile.__getitem__('video_'+DB[options.fdict][0]+'.ma')[u'__timestamp__']
timestampdown = indexFile.__getitem__('video_'+DB[options.fdict][1]+'.ma')[u'__timestamp__']
audioupindex = configfile.readConfigFile(audiobasepath+DB[options.fdict][0]+'/.index')
# audioupstamp = audioupindex.__getitem__(u'.')[u'__timestamp__']
audioupstamp = audioupindex.__getitem__('DaqDevice.ma')[u'__timestamp__'] - 13.5
audiodownindex = configfile.readConfigFile(audiobasepath+DB[options.fdict][1]+'/.index')
#audiodownstamp = audiodownindex.__getitem__(u'.')[u'__timestamp__']
audiodownstamp = audiodownindex.__getitem__('DaqDevice.ma')[u'__timestamp__'] -13.5
diffup = audioupstamp - timestampup
diffdown = audiodownstamp - timestampdown
if file is videoupf:
audio = MetaArray(file = audioupf, subset=(slice(0,2), slice(64,128), slice(64,128)))
audiotime = audio.axisValues('Time').astype('float32')
audiomin = np.min(audiotime) + diffup
audiomax = np.max(audiotime) + diffup
elif file is videodwnf:
audio = MetaArray(file = audiodwnf, subset=(slice(0,2), slice(64,128), slice(64,128)))
audiotime = audio.axisValues('Time').astype('float32')
audiomin = np.min(audiotime) + diffdown
audiomax = np.max(audiotime) + diffdown
else:
print 'ERROR! Unable to load audio file'
print 'audiomin', audiomin
print 'audiomax', audiomax
adjustedtime = rawtimes[np.logical_and(rawtimes <= audiomax+4, rawtimes >= audiomin)]
adjustedimagedata = rawimageData[np.logical_and(rawtimes <= audiomax+4, rawtimes >= audiomin)]
# print 'adjtime', adjustedtime
self.times = [x-np.min(adjustedtime) for x in adjustedtime]
self.imageData = adjustedimagedata
background = rawimageData[5:25]
background = np.mean(background,axis=0)
print 'dimensions of background', np.shape(background)
pg.image(background, title='mean background')
subtracted = np.zeros(np.shape(self.imageData), float)
for i in range(self.imageData.shape[0]):
subtracted[i,:,:] = (self.imageData[i,:,:]-background)
subtracted=subtracted/subtracted.mean()
self.imageData = subtracted
#print 'self.times:', self.times
# print 'length of self.times', np.shape(self.times)
# print 'shape of image data', np.shape(self.imageData)
#analyze a quarter of the image
#xcut = (self.imageData.shape[1]+1)/8
#ycut = (self.imageData.shape[2]+1)/8
#self.imageData=self.imageData[:,3*xcut-1:7*xcut-1,ycut-1:7*ycut-1]
im=[]
if file is videoupf:
upflag = 1
else:
upflag = 0
#print 'target:', target
measuredPeriod=4.25
#self.subtract_Background(diffup=diffup)
self.Analysis_FourierMap(period=measuredPeriod, target = target, bins=binsize, up=upflag)
print 'target:', target
if target > 0:
self.plotmaps_pg(mode = 1, target = target, gfilter = gfilt)
return
def parse_and_go(self, argsin=None):
global period
global binsize
parser = OptionParser() # command line options
##### parses all of the options inputted at the command line TFR 11/13/2015
parser.add_option("-u",
"--upfile",
dest="upfile",
metavar='FILE',
help="load the up-file")
parser.add_option("-d",
"--downfile",
dest="downfile",
metavar='FILE',
help="load the down-file")
parser.add_option("-D",
"--directory",
dest="directory",
metavar='FILE',
help="Use directory for data")
parser.add_option("-t",
"--test",
dest="test",
action='store_true',
help="Test mode to check calculations",
default=False)
parser.add_option("-p",
'--period',
dest="period",
default=4.25,
type="float",
help="Stimulus cycle period")
parser.add_option("-c",
'--cycles',
dest="cycles",
default=0,
type="int",
help="# cycles to analyze")
parser.add_option("-b",
'--binning',
dest="binsize",
default=0,
type="int",
help="bin reduction x,y")
parser.add_option("-g",
'--gfilter',
dest="gfilt",
default=0,
type="float",
help="gaussian filter width")
parser.add_option("-f",
'--fdict',
dest="fdict",
default=0,
type="int",
help="Use dictionary entry")
if argsin is not None:
(options, args) = parser.parse_args(argsin)
else:
(options, args) = parser.parse_args()
if options.test is True:
print "Running Test Sample"
period = 8.0 # period and frame sample rate can be different
framerate = 8.0
nper = 1
d = 10.0 * numpy.random.normal(size=(2500, 128,
128)).astype('float32')
ds = d.shape
self.nFrames = d.shape[0]
self.nPhases = 10
maxdel = 50
self.phasex = []
self.phasey = []
for i in range(0, self.nPhases):
dx = i * ds[
1] / self.nPhases # each phase is assigned to a region
baseline = 0.0
self.resp = numpy.zeros((self.nFrames, ))
phaseDelay = 0.25 * period + period * (
float(i) / self.nPhases
) # phase delay for this region from 0 to nearly the stimulus repeat period
# print '********phase delay: ', phaseDelay
for j in range(0, nper): # for each period
tdelay = (float(j) *
period) + phaseDelay # time to phase delay point
idelay = int(numpy.floor(
tdelay *
framerate)) # convert to frame position in frame space
# print ' tdel: ', tdelay, ' idel: ', idelay
# if idelay < self.nFrames-maxdel:
# self.resp[idelay:idelay+maxdel] = (i+1)*numpy.exp(-numpy.linspace(0, 2, maxdel)) # marks amplitudes as well
self.resp = 1000.0 * numpy.sin(
numpy.linspace(
0, 2.0 * numpy.pi * self.nFrames /
(period * framerate), self.nFrames) +
i * numpy.pi / 8.0 - numpy.pi / 2.0)
d[:, dx:dx + int(ds[1] / self.nPhases),
5:int(ds[2] / 2)] += self.resp[:, numpy.newaxis,
numpy.newaxis]
self.phasex.append((2 + (dx + int(ds[1] / self.nPhases)) / 2))
self.phasey.append(
(6 + int(ds[2] / 2) / 2)
) # make the signal equivalent of digitized one (baseline 3000, signal at 1e-4 of baseline)
d = (d * 3000.0 * 1e-4
) + 3000.0 # scale and offset to match data scaling coming in
self.imageData = d.astype(
'int16') # reduce to a 16-bit map to match camera data type
self.times = numpy.arange(0, self.nFrames / framerate,
1.0 / framerate)
print "Test Image Created"
getout2 = fac_lift(self.imageData, self.times)
self.imageData = getout2
self.Analysis_FourierMap_TFR(period=period,
target=1,
mode=1,
bins=binsize)
print "Completed Analysis FourierMap"
self.plotmaps_pg(mode=2, gfilter=0)
print "Completed plot maps"
if options.period is not None:
measuredPeriod = options.period
if options.cycles is not None:
self.nCycles = options.cycles
if options.binsize is not None:
binsize = options.binsize
if options.gfilt is not None:
gfilt = options.gfilt
print 'DB keys', DB.keys()
if options.fdict is not None:
if options.fdict in DB.keys(): # populate options
options.upfile = DB[options.fdict][0]
options.downfile = DB[options.fdict][1]
options.period = DB[options.fdict][4]
else:
print "File %d NOT in DBase\n" % options.fdict
return
if options.directory is not None:
self.directory = options.directory
if options.upfile is not None:
self.upfile = options.upfile
target = 1
if options.downfile is not None:
self.downfile = options.downfile
target = 2
target = 0
videoupf = None
videodwnf = None
audioupf = None
audiodwnf = None
if options.upfile is not None:
videoupf = videobasepath + options.upfile + '.ma'
audioupf = audiobasepath + options.upfile + '/DaqDevice.ma'
if options.downfile is not None:
videodwnf = videobasepath + options.downfile + '.ma'
audiodwnf = audiobasepath + options.downfile + '/DaqDevice.ma'
# indexFile = configfile.readConfigFile(basepath+'.index')
# time = indexFile.__getitem__('video_019.ma')[u'__timestamp__']
#indexFile = configfile.readConfigFile(basepath+'.index')
#print 'indexfile', indexfile
for file in (videoupf, videodwnf):
#if options.upfile is not None and options.downfile is not None:
if file is None:
break
im = []
self.imageData = []
print "loading data from ", file
try:
im = MetaArray(file=file,
subset=(slice(0, 2), slice(64,
128), slice(64,
128)))
except:
print "Error loading upfile: %s\n" % file
return
print "data loaded"
target = target + 1
# dir = acq4.util.DataManager.getHandle(basepath)
# time = dir.info()['__timestamp__']
# print 'time:', time
#print 'im:', im
# dir(im)
rawtimes = []
rawimageData = []
rawtimes = im.axisValues('Time').astype('float32')
# print 'time', rawtimes
rawimageData = im.view(np.ndarray).astype('float32')
# print 'shape of ra image data:', rawimageData.shape
## videobasepath = /......./2016.10.08_000/Intrinsic_Mapping/video_'
## indexFile = configFile.readConfigFile('/...../2016.10.08_000/Intrinsic_Mapping/.index') -> a dictionary
# dir = acq4.util.DataManager.getHandle(videoupf)
# time = dir.info()['__timestamp__']
# #timestampup = timestamp[options.fdict][0]
# audioupstamp = timestamp[options.fdict][1]
# #timestampdown = timestamp[options.fdict][2]
# audiodownstamp = timestamp[options.fdict][3]
# #print 'optioins.dict', options.fdict[0]
#reads the timestamps from the files
indexFile = configfile.readConfigFile(basepath + '.index')
timestampup = indexFile.__getitem__('video_' +
DB[options.fdict][0] +
'.ma')[u'__timestamp__']
timestampdown = indexFile.__getitem__('video_' +
DB[options.fdict][1] +
'.ma')[u'__timestamp__']
audioupindex = configfile.readConfigFile(audiobasepath +
DB[options.fdict][0] +
'/.index')
# audioupstamp = audioupindex.__getitem__(u'.')[u'__timestamp__']
audioupstamp = audioupindex.__getitem__(
'DaqDevice.ma')[u'__timestamp__'] - 13.5
audiodownindex = configfile.readConfigFile(audiobasepath +
DB[options.fdict][1] +
'/.index')
#audiodownstamp = audiodownindex.__getitem__(u'.')[u'__timestamp__']
audiodownstamp = audiodownindex.__getitem__(
'DaqDevice.ma')[u'__timestamp__'] - 13.5
diffup = audioupstamp - timestampup
diffdown = audiodownstamp - timestampdown
if file is videoupf:
audio = MetaArray(file=audioupf,
subset=(slice(0, 2), slice(64, 128),
slice(64, 128)))
audiotime = audio.axisValues('Time').astype('float32')
audiomin = np.min(audiotime) + diffup
audiomax = np.max(audiotime) + diffup
elif file is videodwnf:
audio = MetaArray(file=audiodwnf,
subset=(slice(0, 2), slice(64, 128),
slice(64, 128)))
audiotime = audio.axisValues('Time').astype('float32')
audiomin = np.min(audiotime) + diffdown
audiomax = np.max(audiotime) + diffdown
else:
print 'ERROR! Unable to load audio file'
print 'audiomin', audiomin
print 'audiomax', audiomax
adjustedtime = rawtimes[np.logical_and(rawtimes <= audiomax + 4,
rawtimes >= audiomin)]
adjustedimagedata = rawimageData[np.logical_and(
rawtimes <= audiomax + 4, rawtimes >= audiomin)]
# print 'adjtime', adjustedtime
self.times = [x - np.min(adjustedtime) for x in adjustedtime]
self.imageData = adjustedimagedata
background = rawimageData[5:25]
background = np.mean(background, axis=0)
print 'dimensions of background', np.shape(background)
pg.image(background, title='mean background')
subtracted = np.zeros(np.shape(self.imageData), float)
for i in range(self.imageData.shape[0]):
subtracted[i, :, :] = (self.imageData[i, :, :] - background)
subtracted = subtracted / subtracted.mean()
self.imageData = subtracted
#print 'self.times:', self.times
# print 'length of self.times', np.shape(self.times)
# print 'shape of image data', np.shape(self.imageData)
#analyze a quarter of the image
#xcut = (self.imageData.shape[1]+1)/8
#ycut = (self.imageData.shape[2]+1)/8
#self.imageData=self.imageData[:,3*xcut-1:7*xcut-1,ycut-1:7*ycut-1]
im = []
if file is videoupf:
upflag = 1
else:
upflag = 0
#print 'target:', target
measuredPeriod = 4.25
#self.subtract_Background(diffup=diffup)
self.Analysis_FourierMap(period=measuredPeriod,
target=target,
bins=binsize,
up=upflag)
print 'target:', target
if target > 0:
self.plotmaps_pg(mode=1, target=target, gfilter=gfilt)
return