108 lines
4.4 KiB
Python
Executable File
108 lines
4.4 KiB
Python
Executable File
#!/usr/bin/env python
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import os,sys,math,string,numpy
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from optparse import OptionParser, Option
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# -----------------------------
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class extendableOption(Option):
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# -----------------------------
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# used for definition of new option parser action 'extend', which enables to take multiple option arguments
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# taken from online tutorial http://docs.python.org/library/optparse.html
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ACTIONS = Option.ACTIONS + ("extend",)
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STORE_ACTIONS = Option.STORE_ACTIONS + ("extend",)
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TYPED_ACTIONS = Option.TYPED_ACTIONS + ("extend",)
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ALWAYS_TYPED_ACTIONS = Option.ALWAYS_TYPED_ACTIONS + ("extend",)
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def take_action(self, action, dest, opt, value, values, parser):
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if action == "extend":
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lvalue = value.split(",")
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values.ensure_value(dest, []).extend(lvalue)
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else:
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Option.take_action(self, action, dest, opt, value, values, parser)
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# --------------------------------------------------------------------
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# MAIN
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# --------------------------------------------------------------------
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parser = OptionParser(option_class=extendableOption, usage='%prog options [file[s]]', description = """
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Converts EBSD data from cubic ang files into description for spectral solver (*.geom + material.config)
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Can discriminate two phases depending on threshold value
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""" + string.replace('$Id$','\n','\\n')
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)
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parser.add_option('-c','--column', dest='column', type='int', \
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help='data column to separate phase 1 and 2 [%default]')
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parser.add_option('-t','--threshold', dest='threshold', type='float', \
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help='threshold used to separate phases. value < threshold: phase = 1')
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parser.set_defaults(column = 1)
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parser.set_defaults(threshold = sys.maxint)
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(options,filenames) = parser.parse_args()
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# ------------------------------------------ setup file handles ---------------------------------------
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eulers = numpy.array([0.0,0.0,0.0],'f')
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geomdim = numpy.array([0.0,0.0,0.0],'f')
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res = numpy.array([0,0,1],'i')
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files = []
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if filenames == []:
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files.append({'name':'STDIN', 'input':sys.stdin, 'material':sys.stdout, 'geom':sys.stdout})
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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),\
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'material':open(os.path.splitext(name)[0]+'_material.config', 'w'),\
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'geom':open(os.path.splitext(name)[0]+'.geom', 'w')})
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# ------------------------------------------ loop over input files ---------------------------------------
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for file in files:
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point=0
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if file['name'] != 'STDIN': print file['name']
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file['material'].write('#---\n<homogenization>\n#---\n'+
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'\n[SX]\ntype isostrain\nNgrains 1\n\n'+
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'#---\n<microstructure>\n#---\n\n')
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tempPart2= '#---\n<texture>\n#---\n\n'
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for line in file['input']:
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lineSplit=line.split()
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if line[0]=='#':
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if len(lineSplit)>2:
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if line.split()[2]=='HexGrid':
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print 'The file is a hex grid file. Convert it first to sqr grid'
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sys.exit()
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if lineSplit[1]=='XSTEP:': stepSizeX = float(lineSplit[2])
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if lineSplit[1]=='YSTEP:': stepSizeY = float(lineSplit[2])
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if lineSplit[1]=='NCOLS_ODD:': res[0] = int(lineSplit[2])
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if lineSplit[1]=='NROWS:': res[1] = int(lineSplit[2])
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else:
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point+=1
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eulers = (float(lineSplit[0])/2.0/math.pi*360.0, \
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float(lineSplit[1])/2.0/math.pi*360.0, \
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float(lineSplit[2])/2.0/math.pi*360.0)
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if float(lineSplit[options.column-1])<options.threshold:
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phase=1
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else:
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phase=2
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file['material'].write(\
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'[Grain%08d]\ncrystallite 1\n(constituent) phase %1d texture %08d fraction 1.0\n' \
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%(point,phase,point))
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tempPart2+=\
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'[Grain%08d]\n(gauss) phi1 %4.2f Phi %4.2f phi2 %4.2f scatter 0.0 fraction 1.0\n'\
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%(point,eulers[0],eulers[1],eulers[2])
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geomdim[0] = stepSizeX*res[0]
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geomdim[1] = stepSizeY*res[1]
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geomdim[2] = min(stepSizeX,stepSizeY)
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file['material'].write(tempPart2)
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file['geom'].write(
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'3 header\nresolution a %4d b %4d c %1d \ndimension x %5.3f y %5.3f z %5.3f\nhomogenization 1\n'\
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%(res[0],res[1],res[2],geomdim[0],geomdim[1],geomdim[2]))
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file['geom'].write('1 to %d\n'%(res[0]*res[1]))
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