change requests: SFELPHOTON-640

app_config.py

@@ -439,6 +439,13 @@ verbose bits:
       parent=param.parent()
       par_nm=parent.name()
       nm=param.name()
+      if par_nm in (AppCfg.DAQ_BS_CH, AppCfg.DAQ_PV_CH, AppCfg.DAQ_DET, AppCfg.DAQ_LOC):
+        # this hack must be doneto force a new allocation of a jungfrau object
+        _log.info('delete jungfrau object if existing')
+        try:
+          del app._jungfrau
+        except AttributeError:
+          pass
       if par_nm==AppCfg.GEO_BEAM_SZ:
         v = np.array(tuple(map(lambda x: x.value(),parent.children())))
         cfg.setValue(par_nm,v)
@@ -459,7 +466,7 @@ verbose bits:
         except TypeError:
           _log.warning(f'failed to parse {AppCfg.GEO_CAM_PARAM}:{d}')
         cfg.setValue(par_nm, d)
-      elif nm in(AppCfg.GEO_CAM_TRF):
+      elif nm == AppCfg.GEO_CAM_TRF:
         s=param.value()
         #https://docs.python.org/3/library/re.html#simulating-scanf + no grouping
         trf=np.array(tuple(map(float,re.findall('[-+]?(?:\d+(?:\.\d*)?|\.\d+)(?:[eE][-+]?\d+)?',s)))).reshape(3,3)