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Update JROfileread.py #3

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2afc8d6
Update JROfileread.py
erhan-k Feb 3, 2021
682e40f
Update JROfileread.py
erhan-k Feb 3, 2021
25b06c2
Update JROfileread.py
erhan-k Feb 3, 2021
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20 changes: 18 additions & 2 deletions isrpy/readpack/JROfileread.py
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Original file line number Diff line number Diff line change
Expand Up @@ -44,6 +44,23 @@ def nextdatablock(self): # method to read headaer and data block by block
self.dh=dh
self.hts=h0+dh*arange(nsa)

if nTaus !=0:
tauH=fid.read(nTaus) # tau's header
self.tauH=tauH

if CodeType != 0: # dynamic header info about codes

codeH=fid.read(8)
numCodes,numBauds=unpack('<ii',codeH)
self.numCodes=numCodes
self.numBauds=numBauds

Codes=[]
for ic in range(numCodes):
tmpc=fromfile(fid,'u1',4*int(ceil(numBauds/32.)))
Codes+=[unpackbits(tmpc[::-1])[-1*numBauds:]]
self.Codes=Codes

fid.seek(hlength,0) # now go to data block

self.datablock=datablock # read data block after here
Expand All @@ -53,9 +70,8 @@ def nextdatablock(self): # method to read headaer and data block by block
allsamples=self.nSamples*self.nChannels*2
data2read=self.nCycles*allsamples
data=fid.read(data2read*2) # read and unpack data block
data=array(unpack('h'*data2read,data))

data=reshape(data,(self.nCycles,self.nSamples,self.nChannels,2))
data=ndarray(buffer=data,dtype='<h',order='C',shape=(self.nCycles,self.nSamples,self.nChannels,2))
data=data[:,:,:,0]+1j*data[:,:,:,1] # complex voltage array of [cycles,samples,channels] dimensions

return data