added kappa conversion for bernina

2020-12-17 16:56:40 +01:00
parent 44787676b6
commit 359ea457cb
1 changed files with 3 additions and 3 deletions
@@ -26,9 +26,9 @@ def kappa2you(eta_k, kappa, phi_k, kappa_angle=60, degrees=True, bernina_kappa=T
            [eta_k, kappa, phi_k, kappa_angle]
        )
    if bernina_kappa:    
-        eta_k = eta_k + np.pi / 2 
-        kappa = - kappa
-        phi_k = -phi_k + np.pi / 2 
+        eta_k = -eta_k + np.pi / 2 
+        kappa =  kappa
+        phi_k = -phi_k - np.pi / 2 
    delta_angle = np.arctan(np.tan(kappa / 2) * np.cos(kappa_angle))
    eta = eta_k - delta_angle
    chi = 2 * np.arcsin(np.sin(kappa / 2) * np.sin(kappa_angle))