Towards A Rigorous Logic For Spatial Data Representation

Towards a Rigorous Logic for Spatial Data Representation

Developments in Spatial Data Handling

The International Symposium on Spatial Data Handling (SDH) commenced in 1984, in Zurich, Switzerland, organized by the International Geographical Union Commission on Geographical Data Sensing and Processing which was later succeed by the Commission on Geographic Information Systems, Study Group on Geographical Information Science and then the Commission on Geographical Information Science (http://www. hku. hk/cupem/igugisc/). Previous symposia have been held at the following locations: 1st - Zurich, 1984 6th - Edinburgh, 1994 2nd - Seattle, 1986 7th - Delft, 1996 3rd - Sydney, 1988 8th - Vancouver, 1998 4th - Zurich, 1990 9th - Beijing, 2000 5th - Charleston, 1992 10th - Ottawa, 2002 th This book is the proceedings of the 11 International Symposium on Spatial Data Handling. The conference was held in Leicester, United rd th Kingdom, on August 23 to 25 2004, as a satellite meeting to the Congress of the International Geographical Union in Glasgow. The International Symposium on Spatial Data Handling is a refereed conference. All the papers in this book were submitted as full papers and reviewed by at least two members of the Programme Committee. 83 papers in all were submitted and among the 50 included here, all are considered above average by the reviewers. The papers cover the span of Geographical Information Science topics, which have always been the concern of the conference. Topics from uncertainty (error, vagueness, and ontology and semantics) to web issues, digital elevation models and urban infrastructure.

Research and Development Progress in 3D Cadastral Systems

The increasing complexity of infrastructures and densely built-up areas requires a proper registration of the legal status (private and public), which can only be provided to a limited extent by the existing 2D cadastral registrations. The registration of the legal status in complex 3D situations is investigated under the header of 3D Cadastres. This publication, containing 13 selected contributions on 3D Cadastre, addresses the following areas: 1. 3D Cadastre operational experiences (analysis, LADM based, learning from each other, discovering gaps), 2. 3D Cadastre cost-effective workflow for new/updated 3D parcels = 4D (part of whole chain: From planning/design/permit in 3D, to registration/use in 3D), 3. 3D Cadastre web-based dissemination (usability, man–machine interfaces, including mobile/AR), 4. legal aspects for 3D Cadastre, best legal practices in various legislation systems, focus on large cities, including developing countries, 5. 3D data management, and 6. visualization, distribution, and delivery of 3D parcels.