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DAMASK_EICMD
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simplified 

assume quaternions as input
This commit is contained in:
Martin Diehl 2018-12-09 10:53:53 +01:00
parent 213e31ff87
commit aefa006d09
1 changed files with 5 additions and 59 deletions
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64
processing/post/addSchmidfactors.py
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@ -123,46 +123,19 @@ parser.add_option('-n', '--normal',
dest = 'normal',
type = 'float', nargs = 3, metavar = 'float float float',
help = 'stress plane normal in lab frame [%default]')
parser.add_option('-e', '--eulers',
dest = 'eulers',
type = 'string', metavar = 'string',
help = 'Euler angles label')
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 = 'string', metavar = 'string',
help = 'orientation matrix label')
parser.add_option('-a',
dest = 'a',
type = 'string', metavar = 'string',
help = 'crystal frame a vector label')
parser.add_option('-b',
dest = 'b',
type = 'string', metavar = 'string',
help = 'crystal frame b vector label')
parser.add_option('-c',
dest = 'c',
type = 'string', metavar = 'string',
help = 'crystal frame c vector label')
parser.add_option('-q', '--quaternion',
dest = 'quaternion',
type = 'string', metavar = 'string',
metavar = 'string',
help = 'quaternion label')
parser.set_defaults(force = (0.0,0.0,1.0),
normal = None,
lattice = latticeChoices[0],
CoverA = math.sqrt(8./3.),
degrees = False,
)
(options, filenames) = parser.parse_args()
toRadians = math.pi/180.0 if options.degrees else 1.0 # rescale degrees to radians
force = np.array(options.force)
force /= np.linalg.norm(force)
@ -174,22 +147,6 @@ if options.normal:
else:
normal = force
input = [options.eulers is not None,
options.a is not None and \
options.b is not None and \
options.c is not None,
options.matrix is not None,
options.quaternion is not None,
]
if np.sum(input) != 1: parser.error('needs exactly one input format.')
(label,dim,inputtype) = [(options.eulers,3,'eulers'),
([options.a,options.b,options.c],[3,3,3],'frame'),
(options.matrix,9,'matrix'),
(options.quaternion,4,'quaternion'),
][np.where(input)[0][0]] # select input label that was requested
slip_direction = np.zeros((len(slipSystems[options.lattice]),3),'f')
slip_normal = np.zeros_like(slip_direction)
@ -227,13 +184,12 @@ for name in filenames:
table.head_read()
# ------------------------------------------ sanity checks ----------------------------------------
if not np.all(table.label_dimension(label) == dim):
damask.util.croak('input {} does not have dimension {}.'.format(label,dim))
if not table.label_dimension(options.quaternion) == 4:
damask.util.croak('input {} does not have dimension 4.'.format(options.quaternion))
table.close(dismiss = True) # close ASCIItable and remove empty file
continue
column = table.label_index(label)
column = table.label_index(options.quaternion)
# ------------------------------------------ assemble header ---------------------------------------
@ -251,17 +207,7 @@ for name in filenames:
outputAlive = True
while outputAlive and table.data_read(): # read next data line of ASCII table
if inputtype == 'eulers':
o = damask.Orientation(Eulers = np.array(list(map(float,table.data[column:column+3])))*toRadians,)
elif inputtype == 'matrix':
o = damask.Orientation(matrix = np.array(list(map(float,table.data[column:column+9]))).reshape(3,3).transpose(),)
elif inputtype == 'frame':
o = damask.Orientation(matrix = np.array(list(map(float,table.data[column[0]:column[0]+3] + \
table.data[column[1]:column[1]+3] + \
table.data[column[2]:column[2]+3]))).reshape(3,3),)
elif inputtype == 'quaternion':
o = damask.Orientation(quaternion = np.array(list(map(float,table.data[column:column+4]))),)
o = damask.Orientation(quaternion = np.array(list(map(float,table.data[column:column+4]))))
table.data_append( np.abs( np.sum(slip_direction * (o.quaternion * force) ,axis=1) \
* np.sum(slip_normal * (o.quaternion * normal),axis=1)))