Geoscience Reference
In-Depth Information
• Manmade infrastructures (e.g. buildings)
• Airspace blocks (e.g. above buildings)
• Soil subterranean blocks (e.g. underneath buildings)
each of which may be made of one or more part-geometries. As attributes of the
physical spaces above, these may be described in turn as namely:
• Private domain
• State/Federal/Municipal domain
• Public domain.
Given a specific cadastral context, legal/institutional spaces above may be adjusted
accordingly.
Finally, and given Portugal's SiNErGIC specific context, a full new model-
ling approach may not be required at the current stage. Due to the highly increas-
ing costs of “in situ” cadastral surveying, 3D situations may well be integrated
when needed by the existing 2D cadastral system so that not every single infra-
structure has to be surveyed in 3D. Referring back to the 3D cadastral modelling
approaches proposed by Stoter and van Oosterom (
2006
), reviewed in
Sect. 2.2
,
we strongly believe that the hybrid model would suit to a considerable extent the
country's multifunction cadastre purposes.
Acknowledgements
“European Science Foundation”, which funded this work through
two COST short-term scientific mission grants: STSM-TU0801-170912-022642 and
STSM-IC1203-011013-035368. “Fundação para a Ciência e Tecnologia”, FCT (Portugal's
research council), which partially supported this work through PEst-C/EEI/UI0308/2011 project
grant.
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