Brian Kelk’s scientific contributions

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Publications (2)


Three-dimensional GIS
  • Article

January 1991

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72 Reads

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36 Citations

J.F. Raper

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B. Kelk

This chapter introduces and profiles three-dimensional (3-D) GIS which are differentiated from computer-aided design systems by the ability to represent complex geoscientific objects and apply volumetric spatial functions. Such 3-D GIS have grown rapidly to suit the needs of earth, atmospheric and ocean sciences, and are capable of using 2-D and 3-D spatially referenced data in a heterogeneous representation scheme. New forms of representation have emerged, based on 3-D vector and raster data structures, which can index spatial form and process, and support complex 3-D queries. In the future, the success of this new form of modelling depends on the quality of the model on which it is based, and the availability of 3-D data. -Authors


Citations (2)


... Standard 2D GIS approaches, while effective for flat landscapes, fall short in representing complex 3D geometries (Banfi et al. 2022;Jouan and Hallot 2020) and visualizing side-views which are very important in archaeology. This gap has spurred the search for a 3D GIS approach in archaeology (Gillings and Goodrick 1996;Harris and Lock 1996;Jones 1989;Merlo 2016;Raper 1990), closely aligning with the search for a digital twin platform for cultural heritage sites (Banfi et al. 2022;Vuoto, Funari, and Lourenço 2023b). ...

Reference:

End-to-end digital twin creation of the archaeological landscape in Uruk-Warka (Iraq)
Three Dimensional Application in Geographical Information Systems
  • Citing Article
  • July 1990

Geographical Journal

... Cette décomposition en volume convient aux données géologiques, mais ne convient pas pour les objets artificiels tels que les objets du milieu urbain où l'intérieur des objets (Bâtiment par exemple) ou un espace ouvert doit être décomposé en volumes tétraédriques[39].Le modèle TEN, présente beaucoup d'avantages au niveau géométrique et topologique. Il a été considéré par les chercheurs en sciences de la terre comme une structure de données utile pour quelque temps[55], mais il exige un grand espace de rangement et impose un découpage indésirable pour des objets réels de régions urbaines.Beaucoup de chercheurs ont considéré ce modèle comme un cas particulier des modèles basés sur le concept de "simplexe" et des "complexes simpliciaux", pour modéliser la topologie. Dans ce modèle, chaque primitive se compose d'un ensemble de primitives de dimension inférieure.Ces concepts de la topologie algébrique sont utilisés dans la modélisation pour décrire l'abstraction des relations entre les différents objets. ...

Three-dimensional GIS
  • Citing Article
  • January 1991