A: Landsat TM - Shark Bay, Western Australia. Colour areas are underwater. Results of SWIM algorithm processing (see Shallow Marine Section). B: 3D Airborne Laser Depth Sounder (LADS) showing a reef in North Queensland - colour is from SWIM processing of Landsat. C: 3D of SWIM outputs - western edge of Stradbroke Island, SE Queensland. D: 3D of SWIM outputs - reefs in North Queensland.