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DAMASK_EICMD
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Collection of small polishing steps

This commit is contained in:
Philip Eisenlohr 2022-11-22 14:39:51 +00:00 committed by Franz Roters
parent d596de7a32
commit cbe2e74cdd
2 changed files with 8 additions and 11 deletions
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7
python/damask/_colormap.py
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@ -3,6 +3,7 @@ import json
import functools
import colorsys
from typing import Union, TextIO
from itertools import chain
import numpy as np
import scipy.interpolate as interp
@ -373,16 +374,12 @@ class Colormap(mpl.colors.ListedColormap):
File to store results. Defaults to colormap name + '.json'.
"""
colors = []
for i,c in enumerate(np.round(self.colors,6).tolist()):
colors+=[i]+c
out = [{
'Creator':util.execution_stamp('Colormap'),
'ColorSpace':'RGB',
'Name':self.name,
'DefaultMap':True,
'RGBPoints':colors
'RGBPoints':list(chain.from_iterable([(i,*c) for i,c in enumerate(self.colors.round(6))]))
}]
fhandle = self._get_file_handle(fname,'.json')

12
python/damask/_rotation.py
View File

@ -1088,7 +1088,7 @@ class Rotation:
dg = 1. if fractions else _dg(phi,degrees)
dV_V = dg * np.maximum(0.,weights.squeeze())
N = 1 if shape is None else np.prod(shape)
N = 1 if shape is None else np.prod(shape).astype(int)
return Rotation.from_Euler_angles(phi[util.hybrid_IA(dV_V,N,rng_seed)],degrees).reshape(() if shape is None else shape)
@ -1210,11 +1210,11 @@ class Rotation:
if np.isclose(ax_align[3],0.): ax_align[:3] = np.array([1.,0.,0.])
R_align = Rotation.from_axis_angle(ax_align if ax_align[3] > 0. else -ax_align,normalize=True) # rotate fiber axis from sample to crystal frame
N = 1 if shape is None else np.prod(shape)
N = 1 if shape is None else np.prod(shape).astype(int)
u,Theta = (rng.random((N,2)) * 2. * np.array([1.,np.pi]) - np.array([1.,0.])).T
omega = abs(rng.normal(scale=sigma_,size=N))
p = np.column_stack([np.sqrt(1-u**2)*np.cos(Theta),
np.sqrt(1-u**2)*np.sin(Theta),
p = np.column_stack([np.sqrt(1.-u**2)*np.cos(Theta),
np.sqrt(1.-u**2)*np.sin(Theta),
u, omega])
p[:,:3] = np.einsum('ij,...j',np.eye(3)-np.outer(d_lab,d_lab),p[:,:3]) # remove component along fiber axis
f = np.column_stack((np.broadcast_to(d_lab,(N,3)),rng.random(N)*np.pi))
@ -1290,7 +1290,7 @@ class Rotation:
np.broadcast_to(np.pi,qu[...,0:1].shape),
np.zeros(qu.shape[:-1]+(1,))]),
np.block([np.arctan2((-_P*q02+q13)*chi, (-_P*q01-q23)*chi),
np.arctan2( 2.*chi, q03_s-q12_s ),
np.arctan2( 2.*chi, q03_s-q12_s ),
np.arctan2(( _P*q02+q13)*chi, (-_P*q01+q23)*chi)])
)
)
@ -1394,7 +1394,7 @@ class Rotation:
zeta = 1./np.sqrt(1.-om[...,2,2:3]**2)
eu = np.where(np.isclose(np.abs(om[...,2,2:3]),1.,0.),
np.block([np.arctan2(om[...,0,1:2],om[...,0,0:1]),
np.pi*0.5*(1-om[...,2,2:3]),
np.pi*0.5*(1.-om[...,2,2:3]),
np.zeros(om.shape[:-2]+(1,)),
]),
np.block([np.arctan2(om[...,2,0:1]*zeta,-om[...,2,1:2]*zeta),