DAMASK_EICMD/processing/pre/geom_mirror.py

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#!/usr/bin/env python3
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import os
import sys
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from io import StringIO
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from optparse import OptionParser
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
#--------------------------------------------------------------------------------------------------
parser = OptionParser(option_class=damask.extendableOption, usage='%prog options [geomfile(s)]', description = """
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Mirror along given directions.
""", version=scriptID)
validDirections = ['x','y','z']
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parser.add_option('-d','--direction',
dest = 'directions',
action = 'extend', metavar = '<string LIST>',
help = "directions in which to mirror {{{}}}".format(','.join(validDirections)))
parser.add_option( '--periodic',
dest = 'periodic',
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action = 'store_true',
help = 'omit periodic copies of outermost layers in mirror direction')
parser.set_defaults(periodic = False)
(options, filenames) = parser.parse_args()
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if options.directions is None:
parser.error('no direction given.')
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if not set(options.directions).issubset(validDirections):
invalidDirections = [str(e) for e in set(options.directions).difference(validDirections)]
parser.error('invalid directions {}. '.format(*invalidDirections))
limits = [-2,0] if options.periodic else [None,None]
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if filenames == []: filenames = [None]
for name in filenames:
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damask.util.report(scriptName,name)
geom = damask.Geom.from_file(StringIO(''.join(sys.stdin.read())) if name is None else name)
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microstructure = geom.get_microstructure()
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if 'z' in options.directions:
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microstructure = np.concatenate([microstructure,microstructure[:,:,limits[0]:limits[1]:-1]],2)
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if 'y' in options.directions:
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microstructure = np.concatenate([microstructure,microstructure[:,limits[0]:limits[1]:-1,:]],1)
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if 'x' in options.directions:
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microstructure = np.concatenate([microstructure,microstructure[limits[0]:limits[1]:-1,:,:]],0)
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damask.util.croak(geom.update(microstructure,rescale=True))
geom.add_comments(scriptID + ' ' + ' '.join(sys.argv[1:]))
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if name is None:
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sys.stdout.write(str(geom.show()))
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else:
geom.to_file(name)