case KIND_LAND_COVER_OBSOLETE: break;
case KIND_CHANNEL_ALTITUDE: aResult = new HYDROData_ChannelAltitude(); break;
case KIND_LAND_COVER_MAP: aResult = new HYDROData_LandCoverMap(); break;
case KIND_LAND_COVER_OBSOLETE: break;
case KIND_CHANNEL_ALTITUDE: aResult = new HYDROData_ChannelAltitude(); break;
case KIND_LAND_COVER_MAP: aResult = new HYDROData_LandCoverMap(); break;