DAMASK_EICMD/processing/pre/geom_clean.py

65 lines
2.0 KiB
Python
Executable File

#!/usr/bin/env python3
# -*- coding: UTF-8 no BOM -*-
import os
import sys
import numpy as np
import damask
from io import StringIO
from scipy import ndimage
from optparse import OptionParser
scriptName = os.path.splitext(os.path.basename(__file__))[0]
scriptID = ' '.join([scriptName,damask.version])
def mostFrequent(arr):
unique, inverse = np.unique(arr, return_inverse=True)
return unique[np.argmax(np.bincount(inverse))]
#--------------------------------------------------------------------------------------------------
# MAIN
#--------------------------------------------------------------------------------------------------
parser = OptionParser(option_class=damask.extendableOption, usage='%prog options [geomfile(s)]', description = """
Smooth geometry by selecting most frequent microstructure index within given stencil at each location.
""", version=scriptID)
parser.add_option('-s','--stencil',
dest = 'stencil',
type = 'int', metavar = 'int',
help = 'size of smoothing stencil [%default]')
parser.set_defaults(stencil = 3)
(options, filenames) = parser.parse_args()
# --- loop over input files -------------------------------------------------------------------------
if filenames == []: filenames = [None]
for name in filenames:
damask.util.report(scriptName,name)
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)
microstructure = geom.microstructure
microstructure = ndimage.filters.generic_filter(microstructure,mostFrequent,
size=(options.stencil,)*3).astype(microstructure.dtype)
geom.microstructure = microstructure
geom.add_comment(scriptID + ' ' + ' '.join(sys.argv[1:]))
damask.util.croak(geom)
if name is None:
sys.stdout.write(str(geom.show()))
else:
geom.to_file(name)