dataset_validator: bugfix

nabu/resources/dataset_validator.py

@@ -199,7 +199,7 @@ class NabuValidator(object):
         nx, nz = self.dataset_infos.radio_dims
         rec_params = self.nabu_config["reconstruction"]
         if rec_params["enable_halftomo"]:
-            cor = int(round(rec_params["rotation_axis_position"]))
+            cor = int(round(self.dataset_infos.axis_position))
             ny = nx = 2*cor
         what = (
             ("start_x", "end_x", nx),