DAMASK_EICMD/processing/pre/geom_rotate.py

149 lines
6.6 KiB
Python
Executable File

#!/usr/bin/env python3
# -*- coding: UTF-8 no BOM -*-
import os,sys,math
import numpy as np
import damask
from scipy import ndimage
from optparse import OptionParser
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 = """
Rotates spectral geometry description.
""", version=scriptID)
parser.add_option('-r', '--rotation',
dest='rotation',
type = 'float', nargs = 4, metavar = ' '.join(['float']*4),
help = 'rotation given as angle and axis')
parser.add_option('-e', '--eulers',
dest = 'eulers',
type = 'float', nargs = 3, metavar = ' '.join(['float']*3),
help = 'rotation given as Euler angles')
parser.add_option('-d', '--degrees',
dest = 'degrees',
action = 'store_true',
help = 'Euler angles are given in degrees [%default]')
parser.add_option('-m', '--matrix',
dest = 'matrix',
type = 'float', nargs = 9, metavar = ' '.join(['float']*9),
help = 'rotation given as matrix')
parser.add_option('-q', '--quaternion',
dest = 'quaternion',
type = 'float', nargs = 4, metavar = ' '.join(['float']*4),
help = 'rotation given as quaternion')
parser.add_option('-f', '--fill',
dest = 'fill',
type = 'int', metavar = 'int',
help = 'background grain index. "0" selects maximum microstructure index + 1 [%default]')
parser.add_option('--float',
dest = 'float',
action = 'store_true',
help = 'use float input')
parser.set_defaults(degrees = False,
fill = 0,
float = False,
)
(options, filenames) = parser.parse_args()
if sum(x is not None for x in [options.rotation,options.eulers,options.matrix,options.quaternion]) != 1:
parser.error('not exactly one rotation specified...')
if options.quaternion is not None:
eulers = damask.Rotation.fromQuaternion(np.array(options.quaternion)).asEulers(degrees=True)
if options.rotation is not None:
eulers = damask.Rotation.fromAxisAngle(np.array(options.rotation,degrees=True)).asEulers(degrees=True)
if options.matrix is not None:
eulers = damask.Rotation.fromMatrix(np.array(options.Matrix)).asEulers(degrees=True)
if options.eulers is not None:
eulers = damask.Rotation.fromEulers(np.array(options.eulers),degrees=True).asEulers(degrees=True)
datatype = 'f' if options.float else 'i'
# --- loop over input files -------------------------------------------------------------------------
if filenames == []: filenames = [None]
for name in filenames:
try:
table = damask.ASCIItable(name = name,
buffered = False,
labeled = False)
except: continue
damask.util.report(scriptName,name)
# --- interpret header ----------------------------------------------------------------------------
table.head_read()
info,extra_header = table.head_getGeom()
damask.util.report_geom(info)
errors = []
if np.any(info['grid'] < 1): errors.append('invalid grid a b c.')
if np.any(info['size'] <= 0.0): errors.append('invalid size x y z.')
if errors != []:
damask.util.croak(errors)
table.close(dismiss = True)
continue
# --- read data ------------------------------------------------------------------------------------
microstructure = table.microstructure_read(info['grid'],datatype).reshape(info['grid'],order='F') # read microstructure
newGrainID = options.fill if options.fill != 0 else np.nanmax(microstructure)+1
microstructure = ndimage.rotate(microstructure,eulers[2],(0,1),order=0,prefilter=False,output=int,cval=newGrainID) # rotation around Z
microstructure = ndimage.rotate(microstructure,eulers[1],(1,2),order=0,prefilter=False,output=int,cval=newGrainID) # rotation around X
microstructure = ndimage.rotate(microstructure,eulers[0],(0,1),order=0,prefilter=False,output=int,cval=newGrainID) # rotation around Z
# --- do work ------------------------------------------------------------------------------------
newInfo = {
'size': microstructure.shape*info['size']/info['grid'],
'grid': microstructure.shape,
'microstructures': len(np.unique(microstructure)),
}
# --- report ---------------------------------------------------------------------------------------
remarks = []
if (any(newInfo['grid'] != info['grid'])):
remarks.append('--> grid a b c: {}'.format(' x '.join(map(str,newInfo['grid']))))
if (any(newInfo['size'] != info['size'])):
remarks.append('--> size x y z: {}'.format(' x '.join(map(str,newInfo['size']))))
if ( newInfo['microstructures'] != info['microstructures']):
remarks.append('--> microstructures: {}'.format(newInfo['microstructures']))
if remarks != []: damask.util.croak(remarks)
# --- write header ---------------------------------------------------------------------------------
table.labels_clear()
table.info_clear()
table.info_append(extra_header+[
scriptID + ' ' + ' '.join(sys.argv[1:]),
"grid\ta {grid[0]}\tb {grid[1]}\tc {grid[2]}".format(grid=newInfo['grid']),
"size\tx {size[0]}\ty {size[1]}\tz {size[2]}".format(size=newInfo['size']),
"origin\tx {origin[0]}\ty {origin[1]}\tz {origin[2]}".format(origin=info['origin']),
"homogenization\t{homog}".format(homog=info['homogenization']),
"microstructures\t{microstructures}".format(microstructures=newInfo['microstructures']),
])
table.head_write()
# --- write microstructure information ------------------------------------------------------------
format = '%g' if options.float else '%{}i'.format(int(math.floor(math.log10(np.nanmax(microstructure))+1)))
table.data = microstructure.reshape((newInfo['grid'][0],np.prod(newInfo['grid'][1:])),order='F').transpose()
table.data_writeArray(format,delimiter=' ')
# --- output finalization --------------------------------------------------------------------------
table.close() # close ASCII table