added script to make 27 periodic copies (3 in each dimension)

This commit is contained in:
Martin Diehl 2013-03-11 13:40:30 +00:00
parent f1ad5007c2
commit 010d4c6e26
2 changed files with 152 additions and 0 deletions

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@ -0,0 +1,151 @@
#!/usr/bin/env python
# -*- coding: utf-8 -*-
import os,sys,math,string,re,numpy, damask
from optparse import OptionParser, OptionGroup, Option, SUPPRESS_HELP
# -----------------------------
class extendedOption(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
# --------------------------------------------------------------------
identifiers = {
'resolution': ['a','b','c'],
'dimension': ['x','y','z'],
'origin': ['x','y','z'],
}
mappings = {
'grains': lambda x: int(x),
'resolution': lambda x: int(x),
'origin': lambda x: float(x),
'dimension': lambda x: float(x),
'homogenization': lambda x: int(x),
}
parser = OptionParser(option_class=extendedOption, usage='%prog options [file[s]]', description = """
Generate geometry description and material configuration by standard Voronoi tessellation of given seeds file.
""" + string.replace('$Id$','\n','\\n')
)
parser.add_option('-2', '--twodimensional', dest='twoD', action='store_true', \
help='output geom file with two-dimensional data arrangement')
parser.set_defaults(twoD = 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')
firstline = file['input'].readline()
m = re.search('(\d+)\s*head', firstline.lower())
if m:
headerlines = int(m.group(1))
headers = [firstline]+[file['input'].readline() for i in range(headerlines)]
else:
headerlines = 1
headers = firstline
info = {'grains': 0,
'resolution': numpy.array([0,0,0]),
'dimension': numpy.array([1.0,1.0,1.0]),
'origin': numpy.array([0.0,0.0,0.0]),
'homogenization': 1,
}
new_header = []
for header in headers:
headitems = map(str.lower,header.split())
if headitems[0] in mappings.keys():
if headitems[0] in identifiers.keys():
for i in xrange(len(identifiers[headitems[0]])):
info[headitems[0]][i] = \
mappings[headitems[0]](headitems[headitems.index(identifiers[headitems[0]][i])+1])
else:
info[headitems[0]] = mappings[headitems[0]](headitems[1])
content = []
for line in file['input']:
for word in line.split(): content.append(word)
file['input'].close()
content=numpy.reshape(numpy.tile(numpy.reshape(content,info['resolution']),(1,1,1,3,3,3)),
info['resolution'].prod()*27)
info['grains'] = max(numpy.array(content,'i'))
file['croak'].write('grains: %i\n'%info['grains'] + \
'resolution: %s\n'%(' x '.join(map(str,info['resolution']))) + \
'dimension: %s\n'%(' x '.join(map(str,info['dimension']))) + \
'origin: %s\n'%(' : '.join(map(str,info['origin']))) + \
'homogenization: %i\n'%info['homogenization'])
new_header.append("grains\t%i\n"%( info['grains']))
new_header.append("resolution\ta %i\tb %i\tc %i\n"%(
info['resolution'][0]*3,
info['resolution'][1]*3,
info['resolution'][2]*3,))
new_header.append("dimension\tx %f\ty %f\tz %f\n"%(
info['dimension'][0],
info['dimension'][1],
info['dimension'][2],))
new_header.append("origin\tx %f\ty %f\tz %f\n"%(
info['origin'][0],
info['origin'][1],
info['origin'][2],))
new_header.append("homogenization\t%i\n"%info['homogenization'])
# -------------------------------------- write data to file ----------------------------------
formatwidth = 1+int(math.log10(info['grains']))
file['output'].write('%i\theader\n'%(len(new_header)) + ''.join(new_header))
for n in xrange(info['resolution'][1:3].prod()*9):
file['output'].write({ True: ' ',
False:'\n'}[options.twoD].\
join(map(lambda x: str(x).rjust(formatwidth),\
content[n*3*info['resolution'][0]:(n+1)*3*info['resolution'][0]]))+'\n')
# ------------------------------------------ output finalization ---------------------------------------
if file['name'] != 'STDIN':
file['output'].close()
os.rename(file['name']+'_tmp',os.path.splitext(file['name'])[0]+'_27periodicCopies.geom')

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@ -26,6 +26,7 @@ bin_link = { \
'geom_check.py', 'geom_check.py',
'geom_rescale.py', 'geom_rescale.py',
'geom_pack.py', 'geom_pack.py',
'geom_periodicCopies.py',
'geom_unpack.py', 'geom_unpack.py',
'geom_translate.py', 'geom_translate.py',
'geom_vicinityOffset.py', 'geom_vicinityOffset.py',