small change, the measuremets waits after going softly to value for three...

small change, the measuremets waits after going softly to value for three seconds, to avoid inertial drift

zylaCameraWorker.py

@@ -141,6 +141,8 @@ class CameraWorker(QtCore.QObject):
         self.scan_array_gen = yield_array(create_measurement_array(start, end, step_num))
         self.ao_to_scan.go_softly_to_value(start)
         
+        time.sleep(3)
+        
         self.storage.set_directory(measure_params['directory'])
         self.storage.create_data_file('Time', measure_params['signal_to_scan'], 'Roi data')
         self.storage.append_metadata_to_current_file(self.cam.GetMetaData(), self.measure_params)