150 lines
6.7 KiB
Python
Executable File
150 lines
6.7 KiB
Python
Executable File
#!/usr/bin/env python
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# -*- coding: UTF-8 no BOM -*-
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import os,sys,math,string,numpy
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from optparse import OptionParser, OptionGroup, Option, SUPPRESS_HELP
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scriptID = '$Id$'
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scriptName = scriptID.split()[1]
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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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Generate geometry description and material configuration from input files used by R.A. Lebensohn
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""" + string.replace('$Id$','\n','\\n')
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)
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parser.add_option('--column', dest='column', type='int', metavar = 'int', \
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help='data column to discriminate phase 1 from 2 [%default]')
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parser.add_option('-t','--treshold', dest='threshold', type='float', metavar = 'float', \
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help='threshold value to discriminate phase 1 from 2 [%default]')
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parser.add_option('--homogenization', dest='homogenization', type='int', metavar = 'int', \
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help='homogenization index to be used [%default]')
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parser.add_option('--phase', dest='phase', type='int', nargs = 2, metavar = 'int int', \
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help='two phase indices to be used %default')
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parser.add_option('--crystallite', dest='crystallite', type='int', metavar = 'int', \
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help='crystallite index to be used [%default]')
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parser.add_option('-c', '--configuration', dest='config', action='store_true', \
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help='output material configuration [%default]')
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parser.set_defaults(column = 7)
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parser.set_defaults(threshold = 1.0)
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parser.set_defaults(homogenization = 1)
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parser.set_defaults(phase = [1,2])
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parser.set_defaults(crystallite = 1)
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parser.set_defaults(config = False)
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(options,filenames) = parser.parse_args()
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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',
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'input':sys.stdin,
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'output':sys.stdout,
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'croak':sys.stderr,
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})
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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,
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'input':open(name),
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'output':open(name+'_tmp','w'),
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'croak':sys.stdout,
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})
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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(file['name']+'\n')
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info = {
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'grid': numpy.zeros(3,'i'),
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'size': numpy.zeros(3,'d'),
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'origin': numpy.zeros(3,'d'),
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'microstructures': 0,
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'homogenization': options.homogenization
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}
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needInfo = [True,True,True]
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microstructure = ['<microstructure>']
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texture = ['<texture>']
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point = 0
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for line in file['input']:
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if line.strip():
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point += 1
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words = line.split()
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currPos = map(float,words[3:6])
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for i in xrange(3):
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if currPos[i] > info['grid'][i]:
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info['size'][i] = currPos[i]
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info['grid'][i]+=1
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if options.config: # write configuration (line by line)
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me = str(point)
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microstructure += ['[Grain%s]\n'%me + \
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'crystallite\t%i\n'%options.crystallite + \
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'(constituent)\tphase %s\ttexture %s\tfraction 1.0\n'%(options.phase[{True:0,False:1}[float(words[options.column-1])<options.threshold]],me)
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]
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texture += ['[Grain%s]\n'%me + \
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'(gauss)\tphi1 %s\tPhi %s\tphi2 %s\tscatter 0.0\tfraction 1.0\n'%tuple(words[:3])
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]
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info['microstructures'] = info['grid'][0]*info['grid'][1]*info['grid'][2]
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#--- report ---------------------------------------------------------------------------------------
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file['croak'].write('grid a b c: %s\n'%(' x '.join(map(str,info['grid']))) + \
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'size x y z: %s\n'%(' x '.join(map(str,info['size']))) + \
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'origin x y z: %s\n'%(' : '.join(map(str,info['origin']))) + \
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'homogenization: %i\n'%info['homogenization'] + \
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'microstructures: %i\n\n'%info['microstructures'])
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if numpy.any(info['grid'] < 1):
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file['croak'].write('invalid grid a b c.\n')
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sys.exit()
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if numpy.any(info['size'] <= 0.0):
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file['croak'].write('invalid size x y z.\n')
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sys.exit()
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#--- write data -----------------------------------------------------------------------------------
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if options.config:
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file['output'].write('\n'.join(microstructure) + \
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'\n'.join(texture))
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else:
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header = [scriptID + ' ' + ' '.join(sys.argv[1:])+'\n']
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header.append("grid\ta %i\tb %i\tc %i\n"%(info['grid'][0],info['grid'][1],info['grid'][2],))
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header.append("size\tx %f\ty %f\tz %f\n"%(info['size'][0],info['size'][1],info['size'][2],))
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header.append("origin\tx %f\ty %f\tz %f\n"%(info['origin'][0],info['origin'][1],info['origin'][2],))
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header.append("microstructures\t%i\n"%info['microstructures'])
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header.append("homogenization\t%i\n"%info['homogenization'])
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file['output'].write('%i\theader\n'%(len(header))+''.join(header))
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file['output'].write("1 to %i\n"%(info['microstructures']))
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#--- output finalization --------------------------------------------------------------------------
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if file['name'] != 'STDIN':
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table.output_close()
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os.rename(file['name']+'_tmp',os.path.splitext(file['name'])[0] + \
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{True: '_material.config',
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False:'.geom'}[options.config])
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