mcutils/id9.py

59 lines
2.0 KiB
Python

import logging as log
log.basicConfig(level=log.INFO)
import os
import collections
import numpy as np
from .xray import azav
from .xray import dataReduction
from .xray import utils
storage_extension = ".npz"
def _conv(x):
try:
x = float(x)
except:
x = np.nan
return x
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(str)
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',storageFile='auto'):
""" very small wrapper around azav.doFolder, essentially just reading
the diagnostics.log """
diag = dict( delays = readDelayFromDiagnostic(folder) )
if storageFile == 'auto' : storageFile = folder + "/" + "pyfai_1d" + storage_extension
return azav.doFolder(folder,files="*.edf*",nQ=nQ,force=force,mask=mask,
saveChi=saveChi,poni=poni,storageFile=storageFile,diagnostic=diag)
def doFolder_dataRed(folder,monitor=None,funcForEveraging=np.nanmean,errFilter=True):
data = utils.data_storage(folder)
scan = data.delays
q = data.q
i = data.data
diffs = dataReduction.calcTimeResolvedSignal(scan,i,q=q,reference="min",
monitor=monitor,funcForEveraging=funcForEveraging)
if funcForEveraging == np.nanmean and errFilter:
diffs = dataReduction.errorFilter(diffs)
dataReduction.saveTxt(folder,diffs,info=data.pyfai_info)
diffs.save(folder + "/" + "diffs" + storage_extension)
return diffs