DAMASK_EICMD/processing/pre/geom_canvas.py

83 lines
2.7 KiB
Python
Executable File

#!/usr/bin/env python3
import os
import sys
from io import StringIO
from optparse import OptionParser
import numpy as np
import damask
scriptName = os.path.splitext(os.path.basename(__file__))[0]
scriptID = ' '.join([scriptName,damask.version])
# --------------------------------------------------------------------
# MAIN
# --------------------------------------------------------------------
parser = OptionParser(option_class=damask.extendableOption, usage='%prog options [geomfile(s)]', description = """
Increases or decreases the (three-dimensional) canvas.
Grid can be given as absolute or relative values, e.g. 16 16 16 or 2x 0.5x 32.
""", version = scriptID)
parser.add_option('-g','--grid',
dest = 'grid',
type = 'string', nargs = 3, metavar = ' '.join(['string']*3),
help = 'a,b,c grid of hexahedral box')
parser.add_option('-o','--offset',
dest = 'offset',
type = 'int', nargs = 3, metavar = ' '.join(['int']*3),
help = 'a,b,c offset from old to new origin of grid [%default]')
parser.add_option('-f','--fill',
dest = 'fill',
type = 'float', metavar = 'int',
help = 'background microstructure index, defaults to max microstructure index + 1')
parser.set_defaults(offset = (0,0,0))
(options, filenames) = parser.parse_args()
if filenames == []: filenames = [None]
for name in filenames:
damask.util.report(scriptName,name)
if name is None:
virt_file = StringIO(''.join(sys.stdin.read()))
geom = damask.Geom.from_file(virt_file)
else:
geom = damask.Geom.from_file(name)
microstructure = geom.get_microstructure()
grid = geom.get_grid()
if options.grid is not None:
for i,g in enumerate(options.grid):
grid[i] = int(round(grid[i]*float(g.lower().replace('x','')))) if g.lower().endswith('x') \
else int(options.grid[i])
new = np.full(grid,options.fill if options.fill is not None else np.nanmax(microstructure)+1,
microstructure.dtype)
for x in range(microstructure.shape[0]):
X = x + options.offset[0]
if not 0 <= X < new.shape[0]: continue
for y in range(microstructure.shape[1]):
Y = y + options.offset[1]
if not 0 <= Y < new.shape[1]: continue
for z in range(microstructure.shape[2]):
Z = z + options.offset[2]
if not 0 <= Z < new.shape[2]: continue
new[X,Y,Z] = microstructure[x,y,z]
damask.util.croak(geom.update(new,rescale=True))
geom.add_comment(scriptID + ' ' + ' '.join(sys.argv[1:]))
if name is None:
sys.stdout.write(str(geom.show()))
else:
geom.to_file(name)