DAMASK_EICMD/processing/post/scaleData.py

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#!/usr/bin/env python3
import os
import sys
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from io import StringIO
from optparse import OptionParser
import damask
scriptName = os.path.splitext(os.path.basename(__file__))[0]
scriptID = ' '.join([scriptName,damask.version])
# --------------------------------------------------------------------
# MAIN
# --------------------------------------------------------------------
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parser = OptionParser(option_class=damask.extendableOption, usage='%prog options [ASCIItable(s)]', description = """
Uniformly scale column values by given factor.
""", version = scriptID)
parser.add_option('-l','--label',
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dest = 'labels',
action = 'extend', metavar = '<string LIST>',
help ='column(s) to scale')
parser.add_option('-f','--factor',
dest = 'factor',
action = 'extend', metavar='<float LIST>',
help = 'factor(s) per column')
parser.set_defaults(label = [],
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factor = [])
(options,filenames) = parser.parse_args()
if filenames == []: filenames = [None]
if len(options.label) != len(options.factor):
parser.error('number of column labels and factors do not match.')
for name in filenames:
damask.util.report(scriptName,name)
table = damask.Table.from_ASCII(StringIO(''.join(sys.stdin.read())) if name is None else name)
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for i,label in enumerate(options.labels):
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table.set(label,
table.get(label)*float(options.factor[i]),
scriptID+' '+' '.join(sys.argv[1:]))
table.to_ASCII(sys.stdout if name is None else name)