tomography_alignment Rigid body alignment for x-ray tomography data compile fortran code as follows cd src gfortran -c ray_wt_grad.f90 vox_wt_grad.f90 f2py3 -c ray_wt_grad.f90 -m ray_wt_grad f2py3 -c vox_wt_grad.f90 -m vox_wt_grad