def put(outlist, fname, writetype='w', oneperline=0, delimit=' '):
"""
Writes a passed mixed-type list (str and/or numbers) to an output
file, and then closes the file. Default is overwrite the destination
file.
Usage: put (outlist,fname,writetype='w',oneperline=0,delimit=' ')
Returns: None
"""
if type(outlist) in [N.ArrayType]:
aput(outlist, fname, writetype)
return
if type(outlist[0]) not in [ListType, TupleType]: # 1D list
outfile = open(fname, writetype)
if not oneperline:
outlist = pstat.list2string(outlist, delimit)
outfile.write(outlist)
outfile.write('\n')
else: # they want one element from the list on each file line
for item in outlist:
outfile.write(str(item) + '\n')
outfile.close()
else: # 2D list (list-of-lists)
outfile = open(fname, writetype)
for row in outlist:
outfile.write(pstat.list2string(row, delimit))
outfile.write('\n')
outfile.close()
return None
def put(outlist, fname, writetype="w", oneperline=0, delimit=" "):
"""
Writes a passed mixed-type list (str and/or numbers) to an output
file, and then closes the file. Default is overwrite the destination
file.
Usage: put (outlist,fname,writetype='w',oneperline=0,delimit=' ')
Returns: None
"""
if type(outlist) in [N.ndarray]:
aput(outlist, fname, writetype)
return
if type(outlist[0]) not in [ListType, TupleType]: # 1D list
outfile = open(fname, writetype)
if not oneperline:
outlist = pstat.list2string(outlist, delimit)
outfile.write(outlist)
outfile.write("\n")
else: # they want one element from the list on each file line
for item in outlist:
outfile.write(str(item) + "\n")
outfile.close()
else: # 2D list (list-of-lists)
outfile = open(fname, writetype)
for row in outlist:
outfile.write(pstat.list2string(row, delimit))
outfile.write("\n")
outfile.close()
return None
def mput(outarray, fname, writeheader=0, btype=N.int16):
"""
Save a file for use in matlab.
"""
outarray = N.transpose(outarray)
outdata = N.ravel(outarray).astype(btype)
outdata = outdata.tostring()
outfile = open(fname, 'wb')
outfile.write(outdata)
outfile.close()
if writeheader == 1:
try:
suffixindex = string.rfind(fname, '.')
hdrname = fname[0:suffixindex]
except ValueError:
hdrname = fname
if len(outarray.shape) == 2:
hdr = [outarray.shape[1], outarray.shape[0], 1, 0]
else:
hdr = [
outarray.shape[2], outarray.shape[1], outarray.shape[0], 0,
'\n'
]
print hdrname + '.hdr'
outfile = open(hdrname + '.hdr', 'w')
outfile.write(pstat.list2string(hdr))
outfile.close()
return None
def mput(outarray, fname, writeheader=0, btype=N.int16):
"""
Save a file for use in matlab.
"""
outarray = N.transpose(outarray)
outdata = N.ravel(outarray).astype(btype)
outdata = outdata.tostring()
outfile = open(fname, "wb")
outfile.write(outdata)
outfile.close()
if writeheader == 1:
try:
suffixindex = string.rfind(fname, ".")
hdrname = fname[0:suffixindex]
except ValueError:
hdrname = fname
if len(outarray.shape) == 2:
hdr = [outarray.shape[1], outarray.shape[0], 1, 0]
else:
hdr = [outarray.shape[2], outarray.shape[1], outarray.shape[0], 0, "\n"]
print hdrname + ".hdr"
outfile = open(hdrname + ".hdr", "w")
outfile.write(pstat.list2string(hdr))
outfile.close()
return None
def binput(outarray, fname, packtype=None, writetype='wb'):
"""
Unravels outarray and writes the data to a file, always in LittleEndian
format, along with a header file containing the original data shape. Default
is overwrite the destination file. Tries to figure out packtype from
4th-to-last character in filename. Thus, the routine understands these
file formats ...
1bin=Int8, sbin=int16, ibin=Int32, fbin=Float32, dbin=Float64, etc.
Usage: binput(outarray,filename,packtype=None,writetype='wb')
"""
if not packtype:
packtype = fname[-4]
# a speck of error checking
if packtype == N.int16 and outarray.typecode() == 'f':
# check to see if there's data loss
if max(N.ravel(outarray)) > 32767 or min(N.ravel(outarray)) < -32768:
print "*** WARNING: CONVERTING FLOAT DATA TO OUT-OF RANGE int16 DATA"
outdata = N.ravel(outarray).astype(packtype)
# force the data on disk to be LittleEndian (for more efficient PC/Linux use)
if not N.LittleEndian:
outdata = outdata.byteswapped()
outdata = outdata.tostring()
outfile = open(fname, writetype)
outfile.write(outdata)
outfile.close()
# Now, write the header file
try:
suffixindex = string.rfind(fname, '.')
hdrname = fname[0:suffixindex +
2] + 'hdr' # include .s or .f or .1 or whatever
except ValueError:
hdrname = fname
hdr = outarray.shape
print hdrname
outfile = open(hdrname, 'w')
outfile.write(pstat.list2string(hdr))
outfile.close()
return None
def binput(outarray, fname, packtype=None, writetype="wb"):
"""
Unravels outarray and writes the data to a file, always in LittleEndian
format, along with a header file containing the original data shape. Default
is overwrite the destination file. Tries to figure out packtype from
4th-to-last character in filename. Thus, the routine understands these
file formats ...
1bin=int8, sbin=int16, ibin=int32, fbin=float32, dbin=float64, etc.
Usage: binput(outarray,filename,packtype=None,writetype='wb')
"""
if not packtype:
packtype = fname[-4]
# a speck of error checking
if packtype == N.int16 and outarray.dtype.char == "f":
# check to see if there's data loss
if max(N.ravel(outarray)) > 32767 or min(N.ravel(outarray)) < -32768:
print "*** WARNING: CONVERTING FLOAT DATA TO OUT-OF RANGE INT16 DATA"
outdata = N.ravel(outarray).astype(packtype)
# force the data on disk to be little_endian (for more efficient PC/Linux use)
if not N.little_endian:
outdata = outdata.byteswap()
outdata = outdata.tostring()
outfile = open(fname, writetype)
outfile.write(outdata)
outfile.close()
# Now, write the header file
try:
suffixindex = string.rfind(fname, ".")
hdrname = fname[0 : suffixindex + 2] + "hdr" # include .s or .f or .1 or whatever
except ValueError:
hdrname = fname
hdr = outarray.shape
print hdrname
outfile = open(hdrname, "w")
outfile.write(pstat.list2string(hdr))
outfile.close()
return None
def bput(outarray, fname, writeheader=0, packtype=N.int16, writetype='wb'):
"""
Writes the passed array to a binary output file, and then closes
the file. Default is overwrite the destination file.
Usage: bput (outarray,filename,writeheader=0,packtype=N.int16,writetype='wb')
"""
suffix = fname[-6:]
if suffix == 'bshort':
packtype = N.int16
elif suffix == 'bfloat':
packtype = N.Float32
else:
print 'Not a bshort or bfloat file. Using packtype=', packtype
outdata = N.ravel(outarray).astype(packtype)
littleEndian = (struct.pack('i', 1) == struct.pack('<i', 1))
if littleEndian and os.uname()[0] <> 'Linux':
outdata = outdata.byteswapped()
outdata = outdata.tostring()
outfile = open(fname, writetype)
outfile.write(outdata)
outfile.close()
if writeheader == 1:
try:
suffixindex = string.rfind(fname, '.')
hdrname = fname[0:suffixindex]
except ValueError:
hdrname = fname
if len(outarray.shape) == 2:
hdr = [outarray.shape[0], outarray.shape[1], 1, 0]
else:
hdr = [
outarray.shape[1], outarray.shape[2], outarray.shape[0], 0,
'\n'
]
print hdrname + '.hdr'
outfile = open(hdrname + '.hdr', 'w')
outfile.write(pstat.list2string(hdr))
outfile.close()
return None
def bput(outarray, fname, writeheader=0, packtype=N.int16, writetype="wb"):
"""
Writes the passed array to a binary output file, and then closes
the file. Default is overwrite the destination file.
Usage: bput (outarray,filename,writeheader=0,packtype=N.int16,writetype='wb')
"""
suffix = fname[-6:]
if suffix == "bshort":
packtype = N.int16
elif suffix == "bfloat":
packtype = N.float32
else:
print "Not a bshort or bfloat file. Using packtype=", packtype
outdata = N.ravel(outarray).astype(packtype)
# littleEndian = ( struct.pack('i',1)==struct.pack('<i',1) )
# if littleEndian:
# outdata = outdata.byteswap()
outdata = outdata.tostring()
outfile = open(fname, writetype)
outfile.write(outdata)
outfile.close()
if writeheader == 1:
try:
suffixindex = string.rfind(fname, ".")
hdrname = fname[0:suffixindex]
except ValueError:
hdrname = fname
if len(outarray.shape) == 2:
hdr = [outarray.shape[0], outarray.shape[1], 1, 0]
else:
hdr = [outarray.shape[1], outarray.shape[2], outarray.shape[0], 0, "\n"]
print hdrname + ".hdr"
outfile = open(hdrname + ".hdr", "w")
outfile.write(pstat.list2string(hdr))
outfile.close()
return None
def bput(outarray,fname,writeheader=0,packtype=N.Int16,writetype='wb'):
"""
Writes the passed array to a binary output file, and then closes
the file. Default is overwrite the destination file.
Usage: bput (outarray,filename,writeheader=0,packtype=N.Int16,writetype='wb')
"""
suffix = fname[-6:]
if suffix == 'bshort':
packtype = N.Int16
elif suffix == 'bfloat':
packtype = N.Float32
else:
print 'Not a bshort or bfloat file. Using packtype=',packtype
outdata = N.ravel(outarray).astype(packtype)
littleEndian = ( struct.pack('i',1)==struct.pack('<i',1) )
if littleEndian and os.uname()[0]<>'Linux':
outdata = outdata.byteswapped()
outdata = outdata.tostring()
outfile = open(fname,writetype)
outfile.write(outdata)
outfile.close()
if writeheader == 1:
try:
suffixindex = string.rfind(fname,'.')
hdrname = fname[0:suffixindex]
except ValueError:
hdrname = fname
if len(outarray.shape) == 2:
hdr = [outarray.shape[0],outarray.shape[1], 1, 0]
else:
hdr = [outarray.shape[1],outarray.shape[2],outarray.shape[0], 0,'\n']
print hdrname+'.hdr'
outfile = open(hdrname+'.hdr','w')
outfile.write(pstat.list2string(hdr))
outfile.close()
return None