DAMASK_EICMD/processing/pre/geom_addPrimitive.py

229 lines
10 KiB
Python
Executable File

#!/usr/bin/env python
# -*- coding: UTF-8 no BOM -*-
import os,sys,string,re,math,numpy
import damask
from optparse import OptionParser, OptionGroup, Option, SUPPRESS_HELP
scriptID = '$Id$'
scriptName = scriptID.split()[1]
#--------------------------------------------------------------------------------------------------
class extendedOption(Option):
#--------------------------------------------------------------------------------------------------
# used for definition of new option parser action 'extend', which enables to take multiple option arguments
# taken from online tutorial http://docs.python.org/library/optparse.html
ACTIONS = Option.ACTIONS + ("extend",)
STORE_ACTIONS = Option.STORE_ACTIONS + ("extend",)
TYPED_ACTIONS = Option.TYPED_ACTIONS + ("extend",)
ALWAYS_TYPED_ACTIONS = Option.ALWAYS_TYPED_ACTIONS + ("extend",)
def take_action(self, action, dest, opt, value, values, parser):
if action == "extend":
lvalue = value.split(",")
values.ensure_value(dest, []).extend(lvalue)
else:
Option.take_action(self, action, dest, opt, value, values, parser)
#--------------------------------------------------------------------------------------------------
# MAIN
#--------------------------------------------------------------------------------------------------
synonyms = {
'grid': ['resolution'],
'size': ['dimension'],
}
identifiers = {
'grid': ['a','b','c'],
'size': ['x','y','z'],
'origin': ['x','y','z'],
}
mappings = {
'grid': lambda x: int(x),
'size': lambda x: float(x),
'origin': lambda x: float(x),
'homogenization': lambda x: int(x),
'microstructures': lambda x: int(x),
}
parser = OptionParser(option_class=extendedOption, usage='%prog options [file[s]]', description = """
Positions a geometric object within the (three-dimensional) canvas of a spectral geometry description.
Depending on the sign of the dimension parameters, these objects can be boxes, cylinders, or ellipsoids.
""" + string.replace(scriptID,'\n','\\n')
)
parser.add_option('-o', '--origin',
'-c', '--center', dest='center', type='int', nargs = 3, metavar=' '.join(['int']*3),
help='a,b,c origin of primitive %default')
parser.add_option('-d', '--dimension', dest='dimension', type='int', nargs = 3, metavar=' '.join(['int']*3),
help='a,b,c extension of hexahedral box; negative values are diameters')
parser.add_option('-f', '--fill', dest='fill', type='int', metavar = 'int',
help='grain index to fill primitive. "0" selects maximum microstructure index + 1 [%default]')
parser.add_option('-q', '--quaternion', dest='quaternion', type='float', nargs = 4, metavar=' '.join(['float']*4),
help = 'rotation of primitive as quaternion')
parser.add_option('-a', '--angleaxis', dest='angleaxis', type='string', nargs = 4, metavar=' '.join(['float']*4),
help = 'rotation of primitive as angle and axis')
parser.add_option( '--degrees', dest='degrees', action='store_true',
help = 'angle is given in degrees [%default]')
parser.set_defaults(center = [0,0,0],
fill = 0,
quaternion = [],
angleaxis = [],
degrees = False,
)
(options, filenames) = parser.parse_args()
if options.angleaxis != []:
options.angleaxis = map(float,options.angleaxis)
rotation = damask.Quaternion().fromAngleAxis(numpy.radians(options.angleaxis[0]) if options.degrees else options.angleaxis[0],
options.angleaxis[1:4]).conjugated()
elif options.quaternion != []:
options.rotation = map(float,options.rotation)
rotation = damask.Quaternion(options.quaternion).conjugated()
else:
rotation = damask.Quaternion().conjugated()
#--- setup file handles --------------------------------------------------------------------------
files = []
if filenames == []:
files.append({'name':'STDIN',
'input':sys.stdin,
'output':sys.stdout,
'croak':sys.stderr,
})
else:
for name in filenames:
if os.path.exists(name):
files.append({'name':name,
'input':open(name),
'output':open(name+'_tmp','w'),
'croak':sys.stdout,
})
#--- loop over input files ------------------------------------------------------------------------
for file in files:
if file['name'] != 'STDIN': file['croak'].write('\033[1m'+scriptName+'\033[0m: '+file['name']+'\n')
else: file['croak'].write('\033[1m'+scriptName+'\033[0m\n')
theTable = damask.ASCIItable(file['input'],file['output'],labels = False)
theTable.head_read()
#--- interpret header ----------------------------------------------------------------------------
info = {
'grid': numpy.zeros(3,'i'),
'size': numpy.zeros(3,'d'),
'origin': numpy.zeros(3,'d'),
'homogenization': 0,
'microstructures': 0,
}
newInfo = {
'grid': numpy.zeros(3,'i'),
'origin': numpy.zeros(3,'d'),
'microstructures': 0,
}
extra_header = []
for header in theTable.info:
headitems = map(str.lower,header.split())
if len(headitems) == 0: continue # skip blank lines
for synonym,alternatives in synonyms.iteritems():
if headitems[0] in alternatives: headitems[0] = synonym
if headitems[0] in mappings.keys():
if headitems[0] in identifiers.keys():
for i in xrange(len(identifiers[headitems[0]])):
info[headitems[0]][i] = \
mappings[headitems[0]](headitems[headitems.index(identifiers[headitems[0]][i])+1])
else:
info[headitems[0]] = mappings[headitems[0]](headitems[1])
else:
extra_header.append(header)
file['croak'].write('grid a b c: %s\n'%(' x '.join(map(str,info['grid']))) + \
'size x y z: %s\n'%(' x '.join(map(str,info['size']))) + \
'origin x y z: %s\n'%(' : '.join(map(str,info['origin']))) + \
'homogenization: %i\n'%info['homogenization'] + \
'microstructures: %i\n'%info['microstructures'])
if numpy.any(info['grid'] < 1):
file['croak'].write('invalid grid a b c.\n')
continue
if numpy.any(info['size'] <= 0.0):
file['croak'].write('invalid size x y z.\n')
continue
#--- read data ------------------------------------------------------------------------------------
microstructure = numpy.zeros(info['grid'].prod(),'i') # initialize as flat array
i = 0
while theTable.data_read():
items = theTable.data
if len(items) > 2:
if items[1].lower() == 'of': items = [int(items[2])]*int(items[0])
elif items[1].lower() == 'to': items = xrange(int(items[0]),1+int(items[2]))
else: items = map(int,items)
else: items = map(int,items)
s = len(items)
microstructure[i:i+s] = items
i += s
#--- do work ------------------------------------------------------------------------------------
if options.fill == 0:
options.fill = microstructure.max()+1
microstructure = microstructure.reshape(info['grid'],order='F')
if options.dimension != None:
mask = (numpy.array(options.dimension) < 0).astype(float) # zero where positive dimension, otherwise one
dim = abs(numpy.array(options.dimension)) # dimensions of primitive body
extent = range(int(math.ceil(-math.sqrt(numpy.dot(dim,dim))/2.)),
int(math.ceil( math.sqrt(numpy.dot(dim,dim))/2.))) # maximum extent (diagonal) of body
gridpos = numpy.zeros(3,dtype='float')
for gridpos[0] in extent + (1+dim[0])%2/2.0:
for gridpos[1] in extent + (1+dim[1])%2/2.0:
for gridpos[2] in extent + (1+dim[2])%2/2.0:
pos = rotation*gridpos
if numpy.dot(mask*pos/dim,mask*pos/dim) <= 0.25 and \
numpy.all(abs((1.-mask)*pos/dim) <= 0.5): # inside ellipsoid and inside box
microstructure[options.center[0]+gridpos[0],
options.center[1]+gridpos[1],
options.center[2]+gridpos[2],
] = options.fill
newInfo['microstructures'] = microstructure.max()
#--- report ---------------------------------------------------------------------------------------
if (newInfo['microstructures'] != info['microstructures']):
file['croak'].write('--> microstructures: %i\n'%newInfo['microstructures'])
#--- write header ---------------------------------------------------------------------------------
theTable.labels_clear()
theTable.info_clear()
theTable.info_append(extra_header+[
scriptID + ' ' + ' '.join(sys.argv[1:]),
"grid\ta %i\tb %i\tc %i"%(info['grid'][0],info['grid'][1],info['grid'][2],),
"size\tx %f\ty %f\tz %f"%(info['size'][0],info['size'][1],info['size'][2],),
"origin\tx %f\ty %f\tz %f"%(info['origin'][0],info['origin'][1],info['origin'][2],),
"homogenization\t%i"%info['homogenization'],
"microstructures\t%i"%(newInfo['microstructures']),
])
theTable.head_write()
theTable.output_flush()
# --- write microstructure information ------------------------------------------------------------
formatwidth = int(math.floor(math.log10(microstructure.max())+1))
theTable.data = microstructure.reshape((info['grid'][0],info['grid'][1]*info['grid'][2]),order='F').transpose()
theTable.data_writeArray('%%%ii'%(formatwidth),delimiter=' ')
#--- output finalization --------------------------------------------------------------------------
if file['name'] != 'STDIN':
file['input'].close()
file['output'].close()
os.rename(file['name']+'_tmp',file['name'])