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finally fixed the bug in the transformation and incorporated rotation to conform to TSL convention

This commit is contained in:
Harsha Phukan 2015-05-18 22:28:24 +00:00
parent cd94469ea0
commit f7faa3eeca
1 changed files with 10 additions and 6 deletions
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16
processing/post/addAPS34IDEstrainCoords.py
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@ -24,7 +24,7 @@ from collections import defaultdict
from optparse import OptionParser
import damask
scriptID = string.replace('$Id: addOIMTransCoord.py 3828M 2015-05-06 07:28:21Z (local) $','\n','\\n')
scriptID = string.replace('$Id: addAPS34IDEstrainCoord.py 3828M 2015-05-16 07:28:21Z (local) $','\n','\\n')
scriptName = os.path.splitext(scriptID.split()[1])[0]
@ -91,15 +91,19 @@ for name in filenames:
table.head_write()
# ------------------------------------------ process data ------------------------------------------
outputAlive = True
theta=-0.75*np.pi
RotMat2TSL=np.array([[1., 0., 0.],
[0., np.cos(theta), np.sin(theta)],
[0., -np.sin(theta), np.cos(theta)]]) # Orientation Matrix to account for -135 degree rotation for TSL Convention[Adapted from Chen Zhang's code]
vec = np.zeros(4)
outputAlive = True
while outputAlive and table.data_read(): # read next data line of ASCII table
for i,label in enumerate(active):
vec[i] = table.data[column[label]]
table.data_append(np.array([vec[0],
math.sqrt(0.5)*(-vec[2]-vec[1])-vec[3],
math.sqrt(0.5)*( vec[2]-vec[1])-vec[3]])
) # change X,Y,Z (equivalent to x,y,z crystal orientation basis) to strain coordinate system (x radially outward of beam, y down on sample surface, z normal up from sample surface)
table.data_append(np.dot(RotMat2TSL,np.array([-vec[0], -vec[1],-vec[2]+vec[3]])))
outputAlive = table.data_write() # output processed line
# ------------------------------------------ output result -----------------------------------------