DAMASK_EICMD/processing/pre/geom_unpack.py

169 lines
6.0 KiB
Python
Executable File

#!/usr/bin/env python
# -*- coding: UTF-8 no BOM -*-
import os,sys,string,re,math,numpy
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 = {
'grid': ['a','b','c'],
'size': ['x','y','z'],
'origin': ['x','y','z'],
}
mappings = {
'grid': lambda x: int(x),
'size': lambda x: float(x),
'origin': lambda x: float(x),
'homogenization': lambda x: int(x),
'microstructures': lambda x: int(x),
}
parser = OptionParser(option_class=extendedOption, usage='%prog options [file[s]]', description = """
Unpack geometry files containing ranges "a to b" and/or "n of x" multiples (exclusively in one line).
""" + string.replace('$Id$','\n','\\n')
)
parser.add_option('-2', '--twodimensional', dest='twoD', action='store_true', \
help='output geom file with two-dimensional data arrangement [%default]')
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')
# get labels by either read the first row, or - if keyword header is present - the last line of the header
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
content = file['input'].readlines()
file['input'].close()
info = {'grid': [0,0,0],
'size': [0.0,0.0,0.0],
'origin': [0.0,0.0,0.0],
'homogenization': 1,
'microstructures': 0,
}
new_header = []
for header in headers:
headitems = map(str.lower,header.split())
if headitems[0] == 'resolution': headitems[0] = 'grid'
if headitems[0] == 'dimension': headitems[0] = 'size'
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])
if info['grid'] == [0,0,0]:
file['croak'].write('no grid info found.\n')
continue
if info['size'] == [0.0,0.0,0.0]:
file['croak'].write('no size info found.\n')
continue
format = {True: info['grid'][0],
False: 1}[options.twoD]
file['croak'].write('grid a b c: %s\n'%(' x '.join(map(str,info['grid']))) + \
'size x y z: %s\n'%(' x '.join(map(str,info['size']))) + \
'origin x y z: %s\n'%(' : '.join(map(str,info['origin']))) + \
'homogenization: %i\n'%info['homogenization'] + \
'microstructures: %i\n'%info['microstructures'])
new_header.append("grid\ta %i\tb %i\tc %i\n"%(
info['grid'][0],
info['grid'][1],
info['grid'][2],))
new_header.append("size\tx %f\ty %f\tz %f\n"%(
info['size'][0],
info['size'][1],
info['size'][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'])
if info['microstructures'] > 0:
new_header.append("microstructures\t%i\n"%info['microstructures'])
digits = 1+int(math.log10(int(info['microstructures'])))
else:
digits = 1+int(math.log10(int(info['grid'][0]*info['grid'][1]*info['grid'][2])))
# ------------------------------------------ assemble header ---------------------------------------
file['output'].write('%i\theader\n'%(len(new_header))+''.join(new_header))
# ------------------------------------------ unpack input ---------------------------------------
wordsWritten = 0
for line in content:
words = map(str.lower,line.split())
if len(words) > 1: # any packing keywords?
if (words[1] == 'to'): words = map(str,range(int(words[0]),int(words[2])+1))
if (words[1] == 'of'): words = [words[2]]*int(words[0])
for word in words:
wordsWritten += 1
file['output'].write(word.zfill(digits)+{True:'\n',False:' '}[wordsWritten%format == 0]) # newline every format words
# ------------------------------------------ output finalization ---------------------------------------
if file['name'] != 'STDIN':
file['output'].close()
os.rename(file['name']+'_tmp',file['name'])