DAMASK_EICMD/processing/post/addDeviator.py

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#!/usr/bin/env python
# -*- coding: UTF-8 no BOM -*-
import os,re,sys,math,string
from collections import defaultdict
from optparse import OptionParser
import damask
scriptID = '$Id$'
scriptName = scriptID.split()[1]
oneThird = 1.0/3.0
def deviator(m):
sph = oneThird*(m[0]+m[4]+m[8])
m[0] = m[0] - sph
m[4] = m[4] - sph
m[8] = m[8] - sph
return m
# --------------------------------------------------------------------
# MAIN
# --------------------------------------------------------------------
parser = OptionParser(option_class=damask.extendableOption, usage='%prog options [file[s]]', description = """
Add column(s) containing deviator of requested tensor column(s).
""", version = string.replace(scriptID,'\n','\\n')
)
parser.add_option('-t','--tensor', dest='tensor', action='extend', type='string', metavar='<string LIST>',
help='heading of columns containing tensor field values')
parser.add_option('-s','--spherical', dest='hydrostatic', action='store_true',
help='also add sperical part of tensor (hydrostatic component, pressure)')
parser.set_defaults(hydrostatic = False)
parser.set_defaults(tensor = [])
(options,filenames) = parser.parse_args()
if len(options.tensor) == 0:
parser.error('no data column specified...')
datainfo = { # list of requested labels per datatype
'tensor': {'len':9,
'label':[]},
}
datainfo['tensor']['label'] += options.tensor
# ------------------------------------------ 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.stderr})
# ------------------------------------------ loop over input files ---------------------------------------
for file in files:
if file['name'] != 'STDIN': file['croak'].write('\033[1m'+scriptName+'\033[0m: '+file['name']+'\n')
else: file['croak'].write('\033[1m'+scriptName+'\033[0m\n')
table = damask.ASCIItable(file['input'],file['output'],False) # make unbuffered ASCII_table
table.head_read() # read ASCII header info
table.info_append(string.replace(scriptID,'\n','\\n') + '\t' + ' '.join(sys.argv[1:]))
active = defaultdict(list)
column = defaultdict(dict)
for datatype,info in datainfo.items():
for label in info['label']:
key = {True :'1_%s',
False:'%s' }[info['len']>1]%label
if key not in table.labels:
file['croak'].write('column %s not found...\n'%key)
else:
active[datatype].append(label)
column[datatype][label] = table.labels.index(key) # remember columns of requested data
# ------------------------------------------ assemble header ---------------------------------------
for datatype,labels in active.items(): # loop over vector,tensor
for label in labels: # loop over all requested determinants
table.labels_append(['%i_dev(%s)'%(i+1,label) for i in xrange(9)]) # extend ASCII header with new labels
if(options.hydrostatic): table.labels_append('sph(%s)'%label)
table.head_write()
# ------------------------------------------ process data ---------------------------------------
outputAlive = True
while outputAlive and table.data_read(): # read next data line of ASCII table
for datatype,labels in active.items(): # loop over vector,tensor
for label in labels: # loop over all deviators
myTensor = map(float,table.data[column[datatype][label]:
column[datatype][label]+datainfo[datatype]['len']])
table.data_append(deviator(myTensor))
if(options.hydrostatic): table.data_append(oneThird*(myTensor[0]+myTensor[4]+myTensor[8]))
outputAlive = table.data_write() # output processed line
# ------------------------------------------ output result ---------------------------------------
outputAlive and table.output_flush() # just in case of buffered ASCII table
file['input'].close() # close input ASCII table (works for stdin)
file['output'].close() # close output ASCII table (works for stdout)
if file['name'] != 'STDIN':
os.rename(file['name']+'_tmp',file['name']) # overwrite old one with tmp new