addPreference( tr( "PREF_NODES" ), precSelGroup, LightApp_Preferences::Double, "SMESH", "selection_precision_node" );
addPreference( tr( "PREF_ELEMENTS" ), precSelGroup, LightApp_Preferences::Double, "SMESH", "selection_precision_element" );
addPreference( tr( "PREF_NODES" ), precSelGroup, LightApp_Preferences::Double, "SMESH", "selection_precision_node" );
addPreference( tr( "PREF_ELEMENTS" ), precSelGroup, LightApp_Preferences::Double, "SMESH", "selection_precision_element" );