DAMASK_EICMD/processing/pre/geom_mirror.py

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#!/usr/bin/env python2.7
# -*- coding: UTF-8 no BOM -*-
import os,sys,math
import numpy as np
import damask
from optparse import OptionParser
scriptName = os.path.splitext(os.path.basename(__file__))[0]
scriptID = ' '.join([scriptName,damask.version])
#--------------------------------------------------------------------------------------------------
# MAIN
#--------------------------------------------------------------------------------------------------
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validDirections = ['x','y','z']
parser = OptionParser(option_class=damask.extendableOption, usage='%prog options [geomfile(s)]', description = """
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Mirrors spectral geometry description along given directions.
""", version=scriptID)
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parser.add_option('-d','--direction',
dest = 'directions',
action = 'extend', metavar = '<string LIST>',
help = "directions in which to mirror {'x','y','z'}")
(options, filenames) = parser.parse_args()
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if options.directions is None:
parser.error('no direction given.')
if not set(options.directions).issubset(validDirections):
invalidDirections = [str(e) for e in set(options.directions).difference(validDirections)]
parser.error('invalid directions {}. '.format(*invalidDirections))
# --- loop over input files -------------------------------------------------------------------------
if filenames == []: filenames = [None]
for name in filenames:
try:
table = damask.ASCIItable(name = name,
buffered = False, labeled = False)
except: continue
damask.util.report(scriptName,name)
# --- interpret header ----------------------------------------------------------------------------
table.head_read()
info,extra_header = table.head_getGeom()
damask.util.croak(['grid a b c: %s'%(' x '.join(map(str,info['grid']))),
'size x y z: %s'%(' x '.join(map(str,info['size']))),
'origin x y z: %s'%(' : '.join(map(str,info['origin']))),
'homogenization: %i'%info['homogenization'],
'microstructures: %i'%info['microstructures'],
])
errors = []
if np.any(info['grid'] < 1): errors.append('invalid grid a b c.')
if np.any(info['size'] <= 0.0): errors.append('invalid size x y z.')
if errors != []:
damask.util.croak(errors)
table.close(dismiss = True)
continue
# --- read data ------------------------------------------------------------------------------------
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microstructure = table.microstructure_read(info['grid']).reshape(info['grid'],order='F') # read microstructure
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if 'z' in options.directions:
microstructure = np.concatenate([microstructure,microstructure[:,:,::-1]],2)
if 'y' in options.directions:
microstructure = np.concatenate([microstructure,microstructure[:,::-1,:]],1)
if 'x' in options.directions:
microstructure = np.concatenate([microstructure,microstructure[::-1,:,:]],0)
# --- do work ------------------------------------------------------------------------------------
newInfo = {
'size': microstructure.shape*info['size']/info['grid'],
'grid': microstructure.shape,
}
# --- report ---------------------------------------------------------------------------------------
remarks = []
if (any(newInfo['grid'] != info['grid'])):
remarks.append('--> grid a b c: %s'%(' x '.join(map(str,newInfo['grid']))))
if (any(newInfo['size'] != info['size'])):
remarks.append('--> size x y z: %s'%(' x '.join(map(str,newInfo['size']))))
if remarks != []: damask.util.croak(remarks)
# --- write header ---------------------------------------------------------------------------------
table.labels_clear()
table.info_clear()
table.info_append([
scriptID + ' ' + ' '.join(sys.argv[1:]),
"grid\ta {grid[0]}\tb {grid[1]}\tc {grid[2]}".format(grid=newInfo['grid']),
"size\tx {size[0]}\ty {size[1]}\tz {size[2]}".format(size=newInfo['size']),
"origin\tx {origin[0]}\ty {origin[1]}\tz {origin[2]}".format(origin=info['origin']),
"homogenization\t{homog}".format(homog=info['homogenization']),
"microstructures\t{microstructures}".format(microstructures=info['microstructures']),
extra_header
])
table.head_write()
# --- write microstructure information ------------------------------------------------------------
formatwidth = int(math.floor(math.log10(microstructure.max())+1))
table.data = microstructure.reshape((newInfo['grid'][0],np.prod(newInfo['grid'][1:])),order='F').transpose()
table.data_writeArray('%%%ii'%(formatwidth),delimiter = ' ')
# --- output finalization --------------------------------------------------------------------------
table.close() # close ASCII table