case KIND_STREAM_ALTITUDE: aResult = new HYDROData_StreamAltitude(); break;
case KIND_OBSTACLE_ALTITUDE: aResult = new HYDROData_ObstacleAltitude(); break;
case KIND_STRICKLER_TABLE: aResult = new HYDROData_StricklerTable(); break;
case KIND_STREAM_ALTITUDE: aResult = new HYDROData_StreamAltitude(); break;
case KIND_OBSTACLE_ALTITUDE: aResult = new HYDROData_ObstacleAltitude(); break;
case KIND_STRICKLER_TABLE: aResult = new HYDROData_StricklerTable(); break;