97 lines
3.6 KiB
Python
Executable File
97 lines
3.6 KiB
Python
Executable File
#!/usr/bin/env python3
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# -*- coding: UTF-8 no BOM -*-
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import os
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import sys
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import numpy as np
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from scipy import ndimage
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from optparse import OptionParser
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from io import StringIO
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import damask
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scriptName = os.path.splitext(os.path.basename(__file__))[0]
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scriptID = ' '.join([scriptName,damask.version])
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def taintedNeighborhood(stencil,trigger=[],size=1):
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me = stencil[stencil.shape[0]//2]
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if len(trigger) == 0:
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return np.any(stencil != me)
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if me in trigger:
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trigger = set(trigger)
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trigger.remove(me)
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trigger = list(trigger)
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return np.any(np.in1d(stencil,np.array(trigger)))
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#--------------------------------------------------------------------------------------------------
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# MAIN
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#--------------------------------------------------------------------------------------------------
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parser = OptionParser(option_class=damask.extendableOption, usage='%prog options [file[s]]', description = """
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Offset microstructure index for points which see a microstructure different from themselves
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(or listed as triggers) within a given (cubic) vicinity, i.e. within the region close to a grain/phase boundary.
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""", version = scriptID)
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parser.add_option('-v', '--vicinity',
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dest = 'vicinity',
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type = 'int', metavar = 'int',
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help = 'voxel distance checked for presence of other microstructure [%default]')
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parser.add_option('-m', '--microstructureoffset',
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dest='offset',
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type = 'int', metavar = 'int',
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help = 'offset (positive or negative) for tagged microstructure indices. '+
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'"0" selects maximum microstructure index [%default]')
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parser.add_option('-t', '--trigger',
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action = 'extend', dest = 'trigger', metavar = '<int LIST>',
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help = 'list of microstructure indices triggering a change')
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parser.add_option('-n', '--nonperiodic',
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dest = 'mode',
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action = 'store_const', const = 'nearest',
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help = 'assume geometry to be non-periodic')
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parser.set_defaults(vicinity = 1,
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offset = 0,
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trigger = [],
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mode = 'wrap',
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)
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(options, filenames) = parser.parse_args()
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options.trigger = np.array(options.trigger, dtype=int)
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# --- loop over input files -------------------------------------------------------------------------
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if filenames == []: filenames = [None]
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for name in filenames:
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if name is None:
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virt_file = StringIO(''.join(sys.stdin.read()))
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geom = damask.Geom.from_file(virt_file)
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else:
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try: # really needed? Why not simply fail if file does not exists etc.
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geom = damask.Geom.from_file(name)
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except: continue
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damask.util.report(scriptName,name)
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microstructure = geom.microstructure
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if options.offset == 0: options.offset = microstructure.max()
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microstructure = np.where(ndimage.filters.generic_filter(microstructure,
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taintedNeighborhood,
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size=1+2*options.vicinity,mode=options.mode,
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extra_arguments=(),
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extra_keywords={"trigger":options.trigger,"size":1+2*options.vicinity}),
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microstructure + options.offset,microstructure)
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geom.microstructure = microstructure
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geom.add_comment(scriptID + ' ' + ' '.join(sys.argv[1:]))
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damask.util.croak('\n'.join(geom.info()))
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if name is None:
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sys.stdout.write(str(geom))
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else:
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geom.to_file(name)
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