diff --git a/src/new/zernike_polynomials/FT_Rc_to_Znm.m b/src/new/zernike_polynomials/FT_Rc_to_Znm.m index 42f609e778e274517b2fcc4f8b6f12e5a1989166..12c7fdc8eb7d0032cae022c0233fc7ea39abafa5 100644 --- a/src/new/zernike_polynomials/FT_Rc_to_Znm.m +++ b/src/new/zernike_polynomials/FT_Rc_to_Znm.m @@ -52,9 +52,11 @@ function [A] = FT_Rc_to_Znm(Rc,R) % Calculate Z20 amplitude A(1) = (Ax+Ay)/2; - % Calculate Z22 astigmatic amplitude - A(2) = 2*(Ax-A(1)); - + if length(Rc)>1 + % Calculate Z22 astigmatic amplitude + A(2) = 2*(Ax-A(1)); + end + % Convert amplitudes to nm A = 1e9*A;