mcutils/id9.py

60 lines
1.7 KiB
Python

import logging as log
log.basicConfig(level=log.INFO)
import os
import collections
import numpy as np
from .xray import azav
def _conv(x):
try:
x = float(x)
except:
x = np.nan
return x
def getFiles(folder,basename="*.edf*"):
files = glob.glob(folder + "/" + basename)
files.sort()
return files
def getEdfFiles(folder):
return getFiles(folder,basename="*.edf*")
def removeExt(fname):
""" special remove extension meant to work with compressed files.edf and .edf.gz files """
if fname[-3:] == ".gz": fname = fname[-3:]
return os.path.splitext(fname)[0]
def readDelayFromDiagnostic(fname):
""" return an ordered dict dictionary of filename; for each key a rounded
value of delay is associated """
if os.path.isdir(fname): fname += "/diagnostics.log"
data = np.genfromtxt(fname,usecols=(2,3),\
dtype=None,converters={3: lambda x: _conv(x)},
names = ['fname','delay'])
files = data['fname'].astype(np.str); # to avoid encoding problems
delays = data['delay']
# skip lines that cannot be interpreted as float (like done, etc)
idx_ok = np.isfinite( delays )
files = files[idx_ok]
delays = delays[idx_ok]
delays = np.round(delays.astype(float),12)
return collections.OrderedDict( zip(files,delays) )
def doFolder_azav(folder,nQ=1500,force=False,mask=None,saveChi=True,
poni='auto',h5File='auto'):
""" very small wrapper around azav.doFolder, essentially just reading
the diagnostics.log """
if h5File == 'auto': n5File = folder + "/" + "pyfai_1d.h5"
diag = dict( delays = readDelayFromDiagnostic(folder) )
return azav.doFolder(folder,files="*.edf*",nQ=nQ,force=force,mask=mask,
saveChi=saveChi,poni=poni,h5File=h5File,diagnostic=diag)