def test_rotation_aligning_vectors(self):
vec1 = (2,0,0)
vec2 = (0,3,0)
mat = transformations.rotation_aligning_vectors(vec1, vec2)
self.assertVecsEqual( numpy.dot(mat, vec1), (0,2,0) )
mat0 = transformations.rotation_aligning_vectors(vec1, vec1)
self.assertTrue( Affine(linear=mat0).is_identity() )
def tracer_coordinate_system(self):
rotation = Affine(linear=rotation_aligning_vectors((0,0,1), self.axis))
scaling = Affine(scaling=(self.R, self.R, self.height))
return rotation(scaling)
def tracer_coordinate_system(self):
return Affine(
linear = rotation_aligning_vectors((1,0,0), self.normal),
translation = -numpy.ravel(self.normal)*self.h )
