script to colocate 2D ang files into one §D file and optionally creat geometry and Paraview files
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Franz Roters
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#!/usr/bin/env python2.7
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# -*- coding: UTF-8 no BOM -*-
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import os,sys,math
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import numpy as np
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from optparse import OptionParser
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import damask
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import pipes
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scriptName = os.path.splitext(os.path.basename(__file__))[0]
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scriptID = ' '.join([scriptName,damask.version])
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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]]',
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description ='generate 3D RVE from .ang files of EBSD slices .',
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version = scriptID)
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parser.add_option('--offset',
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dest='offset',
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type='float',
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help='offset of EBSD slices [%default]',
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metavar='float')
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parser.add_option('--outname',
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dest='outName',
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type='string',
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help='output file name [%default]', metavar='string')
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parser.add_option('--vtr',
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action="store_true",
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dest='vtr')
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parser.add_option('--geom',
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action="store_true",
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dest='geom')
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parser.set_defaults(offset = 1.0,
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outName = 'RVE3D')
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(options,filenames) = parser.parse_args()
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numFiles = len(filenames)
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formatwidth = 1+int(math.log10(numFiles))
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# copy original files to tmp files to not alter originals
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for i in range(numFiles):
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sliceID = 'slice' + str(i).zfill(formatwidth) + '.tmp'
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strCommand = 'cp ' + pipes.quote(filenames[i]) + ' ' + sliceID
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os.system(strCommand)
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# modify tmp files
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print('Add z-coordinates')
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for i in range(numFiles):
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sliceID = 'slice' + str(i).zfill(formatwidth) + '.tmp'
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strCommand = 'OIMgrainFile_toTable ' + sliceID
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os.system(strCommand)
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strCommand = 'addCalculation --label 3Dpos --formula "np.array(#pos#.tolist()+[' + str(i*options.offset) + '])" ' + sliceID
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os.system(strCommand)
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# join temp files into one
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print('\n Colocate files')
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fileOut = open(options.outName + '.ang','w')
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# take header information from 1st file
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sliceID = 'slice' + str(0).zfill(formatwidth) + '.tmp'
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fileRead = open(sliceID)
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data = fileRead.readlines()
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fileRead.close()
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headerLines = int(data[0].split()[0])
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fileOut.write(str(headerLines+1) + '\t header\n')
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for line in data[1:headerLines]:
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fileOut.write(line)
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fileOut.write(scriptID + '\t' + ' '.join(sys.argv[1:]) + '\n')
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for line in data[headerLines:]:
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fileOut.write(line)
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# append other files content without header
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for i in range(numFiles-1):
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sliceID = 'slice' + str(i+1).zfill(formatwidth) + '.tmp'
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fileRead = open(sliceID)
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data = fileRead.readlines()
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fileRead.close()
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headerLines = int(data[0].split()[0])
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for line in data[headerLines+1:]:
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fileOut.write(line)
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fileOut.close()
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# tidy up and add phase column
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print('\n Remove temp data and add phase info')
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strCommand = 'filterTable --black pos ' + options.outName + '.ang'
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os.system(strCommand)
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strCommand = 'reLabel --label 3Dpos --substitute pos ' + options.outName + '.ang'
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os.system(strCommand)
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strCommand = 'addCalculation -l phase -f 1 ' + options.outName + '.ang'
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os.system(strCommand)
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# create geom file when asked for
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if options.geom:
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print('\n Build geometry file')
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strCommand = 'geom_fromTable --phase phase --eulers euler --coordinates pos ' + pipes.quote(options.outName) + '.ang'
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os.system(strCommand)
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# create paraview file when asked for
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if options.vtr:
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print('\n Build Paraview file')
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strCommand = 'addIPFcolor --eulers euler --pole 0.0 0.0 1.0 ' + options.outName + '.ang'
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os.system(strCommand)
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strCommand = 'vtk_rectilinearGrid ' + pipes.quote(options.outName) + '.ang'
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os.system(strCommand)
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os.rename(pipes.quote(options.outName) + '_pos(cell)'+'.vtr', pipes.quote(options.outName) + '.vtr')
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strCommand = 'vtk_addRectilinearGridData --vtk '+ pipes.quote(options.outName) + '.vtr --color IPF_001_cubic ' + pipes.quote(options.outName) + '.ang'
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os.system(strCommand)
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# delete tmp files
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for i in range(numFiles):
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sliceID = 'slice' + str(i).zfill(formatwidth) + '.tmp'
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os.remove(sliceID)
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