DAMASK_EICMD/processing/pre/OIMlinear2linearODF.py

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#!/usr/bin/env python2
# -*- coding: UTF-8 no BOM -*-
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import os,sys
from optparse import OptionParser
import numpy as np
import damask
scriptName = os.path.splitext(os.path.basename(__file__))[0]
scriptID = ' '.join([scriptName,damask.version])
sampleSym = { 'Orthotropic' : (90,90,90),
'Triclinic' : (360,180,360)
}
# --------------------------------------------------------------------
# MAIN
# --------------------------------------------------------------------
parser = OptionParser(option_class=damask.extendableOption, usage='%prog options [file[s]]', description = """
Transform the binned texture data from "TSL OIM Analysis" into linear ODF data,
""", version = scriptID)
parser.add_option('-s', '--symmetry', dest='symmetry', choices=sampleSym.keys(),
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metavar = 'string',
help='Sample symmetry {%s} [Triclinic]'%(' '.join(sampleSym.keys())))
parser.set_defaults(symmetry = 'Triclinic')
(options,filenames) = parser.parse_args()
#--- setup file handles ---------------------------------------------------------------------------
files = []
if filenames == []:
files.append({'name':'STDIN',
'input':sys.stdin,
'output':sys.stdout,
'croak':sys.stderr,
})
else:
for name in filenames:
if os.path.exists(name):
files.append({'name':name,
'input':open(name),
'output':open(name+'_tmp','w'),
'croak':sys.stdout,
})
#--- loop over input files ------------------------------------------------------------------------
for file in files:
file['croak'].write('\033[1m' + scriptName + '\033[0m: ' + (file['name'] if file['name'] != 'STDIN' else '') + '\n')
while True: # read header (forward and get bin Size)
line = file['input'].readline()
words = line.split()
if len(words)>=3:
if words[1]=='Bin' and words[2]=='Size:': binSize=float(words[3][:-1])
if not line.startswith('#'): break
delta = [sampleSym[options.symmetry][i]/binSize for i in xrange(3)]
nPhi1,nPHI,nPhi2 = map(int,delta)
dPhi1,dPHI,dPhi2 = [sampleSym[options.symmetry][i]/delta[i] for i in xrange(3)]
N = (nPhi1-1)*(nPHI-1)*(nPhi2-1)
ODF = [[[[None] for k in range(nPhi2)] for j in range(nPHI)] for i in range(nPhi1)]
linear = [None]*N
ODF = np.empty([nPhi1,nPHI,nPhi2],'d')
for iPhi1 in range(nPhi1):
for iPHI in range(nPHI):
for iPhi2 in range(nPhi2):
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ODF[iPhi1,iPHI,iPhi2] = float(line.split()[3])*0.125 # extract intensity (in column 4) and weight by 1/8
line = file['input'].readline()
for iPhi1 in range(nPhi1-1):
for iPHI in range(nPHI-1):
for iPhi2 in range(nPhi2-1):
linear[iPhi1*(nPHI-1)*(nPhi2-1)+iPHI*(nPhi2-1)+iPhi2] =\
ODF[iPhi1 ,iPHI ,iPhi2 ] +\
ODF[iPhi1 ,iPHI ,iPhi2+1] +\
ODF[iPhi1 ,iPHI+1,iPhi2 ] +\
ODF[iPhi1 ,iPHI+1,iPhi2+1] +\
ODF[iPhi1+1,iPHI ,iPhi2 ] +\
ODF[iPhi1+1,iPHI ,iPhi2+1] +\
ODF[iPhi1+1,iPHI+1,iPhi2 ] +\
ODF[iPhi1+1,iPHI+1,iPhi2+1]
file['output'].write('4 header\n')
file['output'].write('limit phi1 %-6.2f Phi %-6.2f phi2 %-6.2f\n'%sampleSym[options.symmetry])
file['output'].write('delta phi1 %-6.2f Phi %-6.2f phi2 %-6.2f\n'%(dPhi1,dPHI,dPhi2))
file['output'].write('centration cell-centered\n')
file['output'].write('density\n')
for i in range(N):
file['output'].write('%g\n'%(linear[i]))
#--- output finalization --------------------------------------------------------------------------
if file['name'] != 'STDIN':
file['output'].close()
os.rename(file['name']+'_tmp',os.path.splitext(file['name'])[0] +'.linearODF')