77 lines
2.6 KiB
Python
Executable File
77 lines
2.6 KiB
Python
Executable File
#!/usr/bin/env python3
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import os
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import sys
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from io import StringIO
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from optparse import OptionParser
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from scipy import ndimage
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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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# --------------------------------------------------------------------
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# MAIN
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# --------------------------------------------------------------------
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parser = OptionParser(option_class=damask.extendableOption, usage='%prog option [ASCIItable(s)]', description = """
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Add column(s) containing Gaussian filtered values of requested column(s).
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Operates on periodic and non-periodic ordered three-dimensional data sets.
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For details see scipy.ndimage documentation.
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""", version = scriptID)
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parser.add_option('-p','--pos','--periodiccellcenter',
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dest = 'pos',
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type = 'string', metavar = 'string',
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help = 'label of coordinates [%default]')
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parser.add_option('-s','--scalar',
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dest = 'labels',
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action = 'extend', metavar = '<string LIST>',
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help = 'label(s) of scalar field values')
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parser.add_option('-o','--order',
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dest = 'order',
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type = int,
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metavar = 'int',
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help = 'order of the filter [%default]')
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parser.add_option('--sigma',
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dest = 'sigma',
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type = float,
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metavar = 'float',
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help = 'standard deviation [%default]')
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parser.add_option('--periodic',
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dest = 'periodic',
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action = 'store_true',
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help = 'assume periodic grain structure')
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parser.set_defaults(pos = 'pos',
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order = 0,
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sigma = 1,
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)
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(options,filenames) = parser.parse_args()
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if filenames == []: filenames = [None]
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if options.labels is None: parser.error('no data column specified.')
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for name in filenames:
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damask.util.report(scriptName,name)
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table = damask.Table.from_ASCII(StringIO(''.join(sys.stdin.read())) if name is None else name)
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damask.grid_filters.coord0_check(table.get(options.pos))
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for label in options.labels:
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table.add('Gauss{}({})'.format(options.sigma,label),
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ndimage.filters.gaussian_filter(table.get(label).reshape((-1)),
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options.sigma,options.order,
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mode = 'wrap' if options.periodic else 'nearest'),
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scriptID+' '+' '.join(sys.argv[1:]))
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table.to_ASCII(sys.stdout if name is None else name)
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