101 lines
4.6 KiB
Python
Executable File
101 lines
4.6 KiB
Python
Executable File
#!/usr/bin/env python
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# -*- coding: UTF-8 no BOM -*-
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import os,sys,string
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from collections import defaultdict
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from optparse import OptionParser
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import damask
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scriptID = string.replace('$Id$','\n','\\n')
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scriptName = scriptID.split()[1][:-3]
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oneThird = 1.0/3.0
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def deviator(m):
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sph = oneThird*(m[0]+m[4]+m[8])
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m[0] = m[0] - sph
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m[4] = m[4] - sph
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m[8] = m[8] - sph
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return m
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# --------------------------------------------------------------------
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# MAIN
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# --------------------------------------------------------------------
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parser = OptionParser(option_class=damask.extendableOption, usage='%prog options [file[s]]', description = """
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Add column(s) containing deviator of requested tensor column(s).
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""", version = scriptID)
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parser.add_option('-t','--tensor', dest='tensor', action='extend', type='string', metavar='<string LIST>',
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help='heading of columns containing tensor field values')
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parser.add_option('-s','--spherical', dest='hydrostatic', action='store_true',
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help='also add sperical part of tensor (hydrostatic component, pressure)')
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parser.set_defaults(hydrostatic = False)
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parser.set_defaults(tensor = [])
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(options,filenames) = parser.parse_args()
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if len(options.tensor) == 0:
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parser.error('no data column specified...')
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datainfo = { # list of requested labels per datatype
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'tensor': {'len':9,
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'label':[]},
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}
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datainfo['tensor']['label'] += options.tensor
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# ------------------------------------------ setup file handles ------------------------------------
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files = []
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if filenames == []:
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files.append({'name':'STDIN', 'input':sys.stdin, 'output':sys.stdout, 'croak':sys.stderr})
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else:
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for name in filenames:
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if os.path.exists(name):
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files.append({'name':name, 'input':open(name), 'output':open(name+'_tmp','w'), 'croak':sys.stderr})
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# ------------------------------------------ loop over input files ---------------------------------
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for file in files:
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if file['name'] != 'STDIN': file['croak'].write('\033[1m'+scriptName+'\033[0m: '+file['name']+'\n')
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else: file['croak'].write('\033[1m'+scriptName+'\033[0m\n')
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table = damask.ASCIItable(file['input'],file['output'],False) # make unbuffered ASCII_table
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table.head_read() # read ASCII header info
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table.info_append(scriptID + '\t' + ' '.join(sys.argv[1:]))
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active = []
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column = defaultdict(dict)
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for label in datainfo['tensor']['label']:
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key = '1_%s'%label
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if key not in table.labels:
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file['croak'].write('column %s not found...\n'%key)
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else:
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active.append(label)
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column[label] = table.labels.index(key) # remember columns of requested data
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# ------------------------------------------ assemble header ---------------------------------------
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for label in active:
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table.labels_append(['%i_dev(%s)'%(i+1,label) for i in xrange(9)]) # extend ASCII header with new labels
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if(options.hydrostatic): table.labels_append('sph(%s)'%label)
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table.head_write()
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# ------------------------------------------ process data ------------------------------------------
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outputAlive = True
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while outputAlive and table.data_read(): # read next data line of ASCII table
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for label in active:
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myTensor = map(float,table.data[column[label]:
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column[label]+datainfo['tensor']['len']])
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table.data_append(deviator(myTensor))
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if(options.hydrostatic): table.data_append(oneThird*(myTensor[0]+myTensor[4]+myTensor[8]))
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outputAlive = table.data_write() # output processed line
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# ------------------------------------------ output result -----------------------------------------
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outputAlive and table.output_flush() # just in case of buffered ASCII table
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file['input'].close() # close input ASCII table (works for stdin)
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file['output'].close() # close output ASCII table (works for stdout)
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if file['name'] != 'STDIN':
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os.rename(file['name']+'_tmp',file['name']) # overwrite old one with tmp new
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