96 lines
3.5 KiB
Python
Executable File
96 lines
3.5 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 [file[s]]', description = """
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Create seeds file by poking at 45 degree through given geom file.
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Mimics APS Beamline 34-ID-E DAXM poking.
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""", version = scriptID)
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parser.add_option('-N', '--points',
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dest = 'N',
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type = 'int', metavar = 'int',
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help = 'number of poking locations [%default]')
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parser.add_option('-b', '--box',
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dest = 'box',
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type = 'float', nargs = 6, metavar = ' '.join(['float']*6),
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help = 'bounding box as fraction in x, y, and z directions')
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parser.add_option('-x',
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action = 'store_true',
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dest = 'x',
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help = 'poke 45 deg along x')
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parser.add_option('-y',
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action = 'store_true',
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dest = 'y',
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help = 'poke 45 deg along y')
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parser.set_defaults(x = False,
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y = False,
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box = [0.0,1.0,0.0,1.0,0.0,1.0],
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N = 16,
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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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options.box = np.array(options.box).reshape(3,2)
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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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offset =(np.amin(options.box, axis=1)*geom.grid/geom.size).astype(int)
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box = np.amax(options.box, axis=1) \
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- np.amin(options.box, axis=1)
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Nx = int(options.N/np.sqrt(options.N*geom.size[1]*box[1]/geom.size[0]/box[0]))
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Ny = int(options.N/np.sqrt(options.N*geom.size[0]*box[0]/geom.size[1]/box[1]))
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Nz = int(box[2]*geom.grid[2])
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damask.util.croak('poking {} x {} x {} in box {} {} {}...'.format(Nx,Ny,Nz,*box))
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seeds = np.zeros((Nx*Ny*Nz,4),'d')
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g = np.zeros(3,'i')
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n = 0
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for i in range(Nx):
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for j in range(Ny):
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g[0] = round((i+0.5)*box[0]*geom.grid[0]/Nx-0.5)+offset[0]
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g[1] = round((j+0.5)*box[1]*geom.grid[1]/Ny-0.5)+offset[1]
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for k in range(Nz):
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g[2] = k + offset[2]
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g %= geom.grid
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seeds[n,0:3] = (g+0.5)/geom.grid # normalize coordinates to box
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seeds[n, 3] = geom.microstructure[g[0],g[1],g[2]]
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if options.x: g[0] += 1
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if options.y: g[1] += 1
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n += 1
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comments = geom.comments \
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+ [scriptID + ' ' + ' '.join(sys.argv[1:]),
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"poking\ta {}\tb {}\tc {}".format(Nx,Ny,Nz),
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"grid\ta {}\tb {}\tc {}".format(*geom.grid),
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"size\tx {}\ty {}\tz {}".format(*geom.size),
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"origin\tx {}\ty {}\tz {}".format(*geom.origin),
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"homogenization\t{}".format(geom.homogenization)]
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table = damask.Table(seeds,{'pos':(3,),'microstructure':(1,)},comments)
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table.to_ASCII(sys.stdout if name is None else \
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os.path.splitext(name)[0]+'_poked_{}.seeds'.format(options.N))
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