Here you go
Code:
import viz
viz.go()
euler1 = [90,0,0]
euler2 = [91,0,5]
def ComputeAngleDifference(euler1, euler2):
m = viz.Transform()
#Extract forward/up vector from euler1
m.setRot( vizmat.EulerToAxisAngle(euler1) )
d = m.get()
forward1 = d[8:11]
up1 = d[4:7]
#Extract forward/up vector from euler2
m.setRot( vizmat.EulerToAxisAngle(euler2) )
d = m.get()
forward2 = d[8:11]
up2 = d[4:7]
#Compute angle difference between forward/up vectors
forward_diff = vizmat.AngleBetweenVector(forward1,forward2)
up_diff = vizmat.AngleBetweenVector(up1,up2)
return forward_diff,up_diff
print ComputeAngleDifference(euler1,euler2)