DAMASK_EICMD/processing/pre/geom_translate.py

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#!/usr/bin/env python3
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import os
import sys
from optparse import OptionParser
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from io import StringIO
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import numpy as np
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import damask
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scriptName = os.path.splitext(os.path.basename(__file__))[0]
scriptID = ' '.join([scriptName,damask.version])
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#--------------------------------------------------------------------------------------------------
# MAIN
#--------------------------------------------------------------------------------------------------
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parser = OptionParser(option_class=damask.extendableOption, usage='%prog options [geomfile(s)]', description = """
Translate microstructure indices (shift or substitute) and/or geometry origin.
""", version=scriptID)
parser.add_option('-o', '--origin',
dest = 'origin',
type = 'float', nargs = 3, metavar = ' '.join(['float']*3),
help = 'offset from old to new origin of grid')
parser.add_option('-m', '--microstructure',
dest = 'microstructure',
type = 'int', metavar = 'int',
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help = 'offset from old to new microstructure indices (after substitution)')
parser.add_option('-s', '--substitute',
dest = 'substitute',
action = 'extend', metavar = '<string LIST>',
help = 'substitutions of microstructure indices from,to,from,to,...')
parser.set_defaults(origin = (0.0,0.0,0.0),
microstructure = 0,
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substitute = []
)
(options, filenames) = parser.parse_args()
sub = {}
for i in range(len(options.substitute)//2): # split substitution list into "from" -> "to"
sub[int(options.substitute[i*2])] = int(options.substitute[i*2+1])
if filenames == []: filenames = [None]
for name in filenames:
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damask.util.report(scriptName,name)
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if name is None:
virt_file = StringIO(''.join(sys.stdin.read()))
geom = damask.Geom.from_file(virt_file)
else:
geom = damask.Geom.from_file(name)
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damask.util.croak(geom)
microstructure = geom.get_microstructure()
new = np.copy(microstructure)
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for k, v in sub.items(): new[microstructure==k] = v # substitute microstructure indices and shift
microstructure += options.microstructure # constant shift
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for i,line in enumerate(geom.comments):
if line.lower().strip().startswith('origin'):
origin= np.array([float(line.split()[j]) for j in [2,4,6]]) # assume correct order (x,y,z)
origin += np.array(origin)
geom.comments[i] = 'origin x {} y {} z {}'.format(*origin)
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damask.util.croak(geom.update(microstructure))
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geom.add_comment(scriptID + ' ' + ' '.join(sys.argv[1:]))
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if name is None:
sys.stdout.write(str(geom.show()))
else:
geom.to_file(name)