[1] Spatial Vis, Melbourne, Vic, Australia
[2] Griffith Univ, Sch Engn & Built Environm, Cities Res Inst, 170 Kessels Rd, Brisbane, Qld 4111, Australia
[3] Univ Melbourne, Ctr Spatial Data Infrastruct & Land Adm CSDILA, Melbourne, Vic, Australia
[4] Assoc Consulting Surveyors, Sydney, NSW, Australia