Working Group 3.3 - D Cadastre (Joint Working Group with
Commission 7)
The increasing complexity of infrastructures and densely built-up areas
requires a proper registration of the legal status (private and public), which
only can be provided to a limited extent by the existing 2D-cadastral
registrations. Despite all research and progress in practise, no country in the
world has a true 3D-Cadastre, the functionality is always limited in some
manner; e.g. only registering of volumetric parcels in the public registers, but
not included in a 3D cadastral map, or limited to a specific type of object with
ad hoc semi-3D solutions; e.g. for buildings or infrastructure. The main
objective of the working group is to establish an operational framework for
3D-Cadastres. The operational aspect addresses the following issues:
- A common understanding of the terms and issues involved. Concepts should
be refined and agreed based on the ISO 19152 Land Administration Domain
Model.
- A description of issues that have to be considered (and to what level)
before whatever form of 3D-cadastres can be implemented. These will provide
'best practices' for the legal, institutional and technical aspects.
Topics to be dealt within the activity of the working group are:
- 3D-Cadastre: models, SDI and time
- 3D-Cadastre and the usability
Options for realization of a 3D cadastre model will include:
- Minimalistic 3D cadastre (no cables, pipelines etc.)
- Topographic 3D cadastre
- Polyhedral vs. Non-polyhedral Legal 3D cadastre
- Topological Legal 3D cadastre
Chair
Deliverables
- FIG-publication on guidelines to establish 3D-cadastres (a “primer on
3D-Cadastres”), addressing legal, institutional and technical issues. To be
published at the FIG Congress 2014.
- A second workshop on 3D-Cadastres - November 2011 (Delft, 10 years after
the first workshop).
- In addition at the FIG working weeks, joint commission 3 and 7 sessions
on 3D-Cadastes will be organized. Depending on the need and results
- A third workshop on 3D-Cadastres could be organized in 2013 or 2014
preferably in conjunction with another FIG meeting (Working Week, commission
3/7 annual meeting, congress).
Beneficiaries
- Surveyors, land developers, national cadastral agencies, land registry
administrations, local and regional municipalities.
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