[core][image registration] Don't apply shift using Data function

darfix/core/imageRegistration.py

@@ -312,14 +312,13 @@ def random_search(data, optimal_shift, iterations, sigma=None, shift_approach='l
 
     utils.advancement_display(0, iterations)
     for i in range(iterations):
-        result = numpy.zeros(data[0].shape)
+        result = []
         normal = numpy.random.multivariate_normal((0, 0), sigma * numpy.eye(2), len(data)).T
         n_shift = optimal_shift + normal
         for iFrame in range(len(data)):
             shifty = n_shift[0][iFrame]
             shiftx = n_shift[1][iFrame]
-            result += data.apply_funcs([(apply_shift, [[shifty, shiftx], shift_approach])],
-                                       indices=iFrame, return_data=True)[0]
+            result += [apply_shift(data[iFrame], [shifty, shiftx], shift_approach)]
         score = normalized_variance(result)
         if best_score < score:
             best_result = n_shift