case KIND_OBSTACLE_ALTITUDE:
{
aRes = new HYDROData_ObstacleAltitude( *dynamic_cast<HYDROData_ObstacleAltitude*>( theObject ) );
case KIND_OBSTACLE_ALTITUDE:
{
aRes = new HYDROData_ObstacleAltitude( *dynamic_cast<HYDROData_ObstacleAltitude*>( theObject ) );