Jesper M. Paasch is professor in land management and cadastral systems at Aalborg University, Denmark, and professor in land management at the University of Gävle, Sweden, and coordinator of research in geographic information at Lantmäteriet, the Swedish mapping, cadastral and land registration authority. He is a national delegate to FIG Commission 3 and member of the FIG Joint Commission 3 and 7 Working Group on ‘3D Cadastres’.