def create_updated_study(self, progress_callback=None):
old_vol_format = self.study.volumes_format
old_mesh_format = self.study.meshes_format
# create a new study to avoid modifying the existing one (we may be
# called from a thread here)
serialized_study = self.study.serialize()
study = Study.unserialize(serialized_study,
self.study.output_directory)
self._study_properties_editor.update_study(study)
self._subjects_editor.update_study(
study, self.study_update_policy)
study.convert_from_formats(old_vol_format, old_mesh_format,
progress_callback)
self.study = study # WARNING whe change the study in a thread.
return self.study
