75 lines
2.6 KiB
Python
Executable File
75 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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import numpy as np
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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 options [geomfile(s)]', description = """
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Scales independently in x, y, and z direction in terms of grid and/or size.
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Either absolute values or relative factors (like "0.25x") can be used.
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""", version = scriptID)
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parser.add_option('-g', '--grid',
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dest = 'grid',
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type = 'string', nargs = 3, metavar = 'string string string',
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help = 'a,b,c grid of hexahedral box')
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parser.add_option('-s', '--size',
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dest = 'size',
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type = 'string', nargs = 3, metavar = 'string string string',
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help = 'x,y,z size of hexahedral box')
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(options, filenames) = parser.parse_args()
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if filenames == []: filenames = [None]
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for name in filenames:
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damask.util.report(scriptName,name)
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geom = damask.Geom.from_file(StringIO(''.join(sys.stdin.read())) if name is None else name)
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grid = geom.get_grid()
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size = geom.get_size()
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new_grid = grid if options.grid is None else \
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np.array([int(o*float(n.lower().replace('x',''))) if n.lower().endswith('x') \
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else int(n) for o,n in zip(grid,options.grid)],dtype=int)
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new_size = size if options.size is None else \
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np.array([o*float(n.lower().replace('x','')) if n.lower().endswith('x') \
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else float(n) for o,n in zip(size,options.size)],dtype=float)
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damask.util.croak(geom.update(microstructure =
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ndimage.interpolation.zoom(
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geom.microstructure,
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new_grid/grid,
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output=geom.microstructure.dtype,
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order=0,
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mode='nearest',
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prefilter=False,
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) if np.any(new_grid != grid) \
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else None,
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size = new_size))
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geom.add_comments(scriptID + ' ' + ' '.join(sys.argv[1:]))
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if name is None:
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sys.stdout.write(str(geom.show()))
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else:
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geom.to_file(name)
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