diff --git a/processing/pre/geom_fromAng.py b/processing/pre/geom_fromAng.py new file mode 100755 index 000000000..55f2aa0a2 --- /dev/null +++ b/processing/pre/geom_fromAng.py @@ -0,0 +1,127 @@ +#!/usr/bin/env python + +import os,sys,math,string,numpy +from optparse import OptionParser, Option + +# ----------------------------- +class extendableOption(Option): +# ----------------------------- +# used for definition of new option parser action 'extend', which enables to take multiple option arguments +# taken from online tutorial http://docs.python.org/library/optparse.html + + ACTIONS = Option.ACTIONS + ("extend",) + STORE_ACTIONS = Option.STORE_ACTIONS + ("extend",) + TYPED_ACTIONS = Option.TYPED_ACTIONS + ("extend",) + ALWAYS_TYPED_ACTIONS = Option.ALWAYS_TYPED_ACTIONS + ("extend",) + + def take_action(self, action, dest, opt, value, values, parser): + if action == "extend": + lvalue = value.split(",") + values.ensure_value(dest, []).extend(lvalue) + else: + Option.take_action(self, action, dest, opt, value, values, parser) + + +# -------------------------------------------------------------------- +# MAIN +# -------------------------------------------------------------------- + +parser = OptionParser(option_class=extendableOption, usage='%prog options [file[s]]', description = """ +Generate geometry description and material configuration from EBSD data in given square-gridded 'ang' file. +Dual phases can be discriminated based on threshold value in a given data column. +""" + string.replace('$Id$','\n','\\n') +) + + +parser.add_option('--column', dest='column', type='int', \ + help='data column to separate phase 1 and 2 [%default]') +parser.add_option('-f','--threshold', dest='threshold', type='float', \ + help='threshold value to discriminate phase 1 from 2') +parser.add_option('--homogenization', dest='homogenization', type='int', \ + help='homogenization index to be used') +parser.add_option('--phase', dest='phase', type='int', nargs = 2, \ + help='two phase indices to be used %default') +parser.add_option('--crystallite', dest='crystallite', type='int', \ + help='crystallite index to be used') +parser.add_option('-c', '--configuration', dest='config', action='store_true', \ + help='output material configuration') + +parser.set_defaults(column = 1) +parser.set_defaults(threshold = sys.maxint) +parser.set_defaults(homogenization = 1) +parser.set_defaults(phase = [1,2]) +parser.set_defaults(crystallite = 1) +parser.set_defaults(config = False) + +(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: + if file['name'] != 'STDIN': file['croak'].write(file['name']+'\n') + + point = 0 + step = [0,0] + resolution = [1,1] + microstructure = [''] + texture = [''] + + for line in file['input']: + words = line.split() + if words[0] == '#': # process initial comments block + if len(words) > 2: + if words[1] == 'HexGrid': file['croak'].write('The file has HexGrid format. Please first convert to SquareGrid...\n'); break + if words[1] == 'XSTEP:': step[0] = float(words[2]) + if words[1] == 'YSTEP:': step[1] = float(words[2]) + if words[1] == 'NCOLS_ODD:': resolution[0] = int(words[2]); formatwidth = 1+int(math.log10(resolution[0]*resolution[1])) + if words[1] == 'NROWS:': resolution[1] = int(words[2]); formatwidth = 1+int(math.log10(resolution[0]*resolution[1])) + else: # finished with comments block + if options.config: # write configuration (line by line) + point += 1 + me = str(point).rjust(formatwidth) + microstructure += ['[Grain%s]\n'%me + \ + 'crystallite\t%i\n'%options.crystallite + \ + '(constituent)\tphase %i\ttexture %s\tfraction 1.0\n'%(options.phase[{True:0,False:1}[float(words[options.column])\n#---\n'+ - '\n[SX]\ntype isostrain\nNgrains 1\n\n'+ - '#---\n\n#---\n\n') - tempPart2= '#---\n\n#---\n\n' - for line in file['input']: - lineSplit=line.split() - - if line[0]=='#': - if len(lineSplit)>2: - if line.split()[2]=='HexGrid': - print 'The file is a hex grid file. Convert it first to sqr grid' - sys.exit() - if lineSplit[1]=='XSTEP:': stepSizeX = float(lineSplit[2]) - if lineSplit[1]=='YSTEP:': stepSizeY = float(lineSplit[2]) - if lineSplit[1]=='NCOLS_ODD:': res[0] = int(lineSplit[2]) - if lineSplit[1]=='NROWS:': res[1] = int(lineSplit[2]) - else: - point+=1 - eulers = (float(lineSplit[0])/2.0/math.pi*360.0, \ - float(lineSplit[1])/2.0/math.pi*360.0, \ - float(lineSplit[2])/2.0/math.pi*360.0) - - if float(lineSplit[options.column-1])