75 lines
2.7 KiB
Python
Executable File
75 lines
2.7 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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import numpy as np
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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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Increases or decreases the (three-dimensional) canvas.
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Grid can be given as absolute or relative values, e.g. 16 16 16 or 2x 0.5x 32.
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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 = ' '.join(['string']*3),
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help = 'a,b,c grid of hexahedral box')
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parser.add_option('-o','--offset',
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dest = 'offset',
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type = 'int', nargs = 3, metavar = ' '.join(['int']*3),
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help = 'a,b,c offset from old to new origin of grid [%default]')
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parser.add_option('-f','--fill',
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dest = 'fill',
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type = 'float', metavar = 'int',
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help = 'background microstructure index, defaults to max microstructure index + 1')
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parser.set_defaults(offset = (0,0,0))
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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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origin = geom.get_origin()
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size = geom.get_size()
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old = new = geom.get_grid()
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offset = np.asarray(options.offset)
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if options.grid is not None:
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new = np.maximum(1,
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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(old,options.grid)],dtype=int))
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canvas = np.full(new,options.fill if options.fill is not None
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else np.nanmax(geom.microstructure)+1,geom.microstructure.dtype)
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l = np.clip( offset, 0,np.minimum(old +offset,new)) # noqa
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r = np.clip( offset+old,0,np.minimum(old*2+offset,new))
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L = np.clip(-offset, 0,np.minimum(new -offset,old))
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R = np.clip(-offset+new,0,np.minimum(new*2-offset,old))
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canvas[l[0]:r[0],l[1]:r[1],l[2]:r[2]] = geom.microstructure[L[0]:R[0],L[1]:R[1],L[2]:R[2]]
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damask.util.croak(geom.update(canvas,origin=origin+offset*size/old,rescale=True))
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geom.add_comments(scriptID + ' ' + ' '.join(sys.argv[1:]))
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geom.to_file(sys.stdout if name is None else name,pack=False)
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