DAMASK_EICMD/processing/post/addDeterminant.py

95 lines
4.3 KiB
Python
Executable File

#!/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]
def determinant(m):
return +m[0]*m[4]*m[8] \
+m[1]*m[5]*m[6] \
+m[2]*m[3]*m[7] \
-m[2]*m[4]*m[6] \
-m[1]*m[3]*m[8] \
-m[0]*m[5]*m[7]
# --------------------------------------------------------------------
# MAIN
# --------------------------------------------------------------------
parser = OptionParser(option_class=damask.extendableOption, usage='%prog options [file[s]]', description = """
Add column(s) containing determinant 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.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 = []
column = defaultdict(dict)
for label in datainfo['tensor']['label']:
key = '1_%s'%label
if key not in table.labels:
file['croak'].write('column %s not found...\n'%key)
else:
active.append(label)
column[label] = table.labels.index(key) # remember columns of requested data
# ------------------------------------------ assemble header ---------------------------------------
for label in active:
table.labels_append('det(%s)'%label) # extend ASCII header with new labels
table.head_write()
# ------------------------------------------ process data ---------------------------------------
outputAlive = True
while outputAlive and table.data_read(): # read next data line of ASCII table
for label in active:
table.data_append(determinant(map(float,table.data[column[label]:
column[label]+datainfo['tensor']['len']])))
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