223031012
/
DAMASK_EICMD
mirror of https://github.com/achalhp/DAMASK_EICMD.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

added “non-strict” version to find disorientation, neglecting the search for axis falling into SST (has linear instead of quadratic effort).

This commit is contained in:
Harsha Phukan 2015-09-16 17:07:02 +00:00
parent fb48719283
commit 24bd3a6eee
1 changed files with 9 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
lib/damask/orientation.py
View File

@ -844,7 +844,9 @@ class Orientation:
return Orientation(quaternion=me,symmetry=self.symmetry.lattice) return Orientation(quaternion=me,symmetry=self.symmetry.lattice)
def disorientation(self,other): def disorientation(self,
other,
strict = True):
''' '''
Disorientation between myself and given other orientation Disorientation between myself and given other orientation
(currently needs to be of same symmetry. (currently needs to be of same symmetry.
@ -854,13 +856,15 @@ class Orientation:
if self.symmetry != other.symmetry: raise TypeError('disorientation between different symmetry classes not supported yet.') if self.symmetry != other.symmetry: raise TypeError('disorientation between different symmetry classes not supported yet.')
misQ = self.quaternion.conjugated()*other.quaternion misQ = self.quaternion.conjugated()*other.quaternion
mySymQs = self.symmetry.symmetryQuats() if strict else self.symmetry.symmetryQuats()[:1] # take all or first sym equivalent
for i,sA in enumerate(self.symmetry.symmetryQuats()): otherSymQs = other.symmetry.symmetryQuats()
for j,sB in enumerate(other.symmetry.symmetryQuats()):
for i,sA in enumerate(mySymQs):
for j,sB in enumerate(otherSymQs):
theQ = sA.conjugated()*misQ*sB theQ = sA.conjugated()*misQ*sB
for k in xrange(2): for k in xrange(2):
theQ.conjugate() theQ.conjugate()
hitSST = other.symmetry.inDisorientationSST(theQ) hitSST = other.symmetry.inDisorientationSST(theQ) or not strict
hitFZ = self.symmetry.inFZ(theQ) hitFZ = self.symmetry.inFZ(theQ)
breaker = hitSST and hitFZ breaker = hitSST and hitFZ
if breaker: break if breaker: break