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Delivering time-evolving 3D city models for web visualization

Sylvie Servigne 1 Gilles Gesquière 2 Vincent Jaillot 2
1 BD - Base de Données
LIRIS - Laboratoire d'InfoRmatique en Image et Systèmes d'information
2 GeoMod - Modélisation Géométrique, Géométrie Algorithmique, Fractales
LIRIS - Laboratoire d'InfoRmatique en Image et Systèmes d'information
Abstract : Studying and planning urban evolution is essential to understand the past and to design the cities of tomorrow. It can be facilitated by providing means for the navigation and visualization of cities’ evolution on the web. Standard formats, methods and tools exist for the visualization of large-scale 3D cities on the web. In this article, we go further by integrating the temporal dimension of cities to geospatial web delivery standard formats. We represent the temporal dimension with states and transitions between these states expressing the changes in the city. This proposal permits to achieve dynamic spatio-temporal visualization of large-scale time-evolving 3D city models on the web. A key characteristic of this article lies in the four-step generic approach proposed. First, we design a generic UML conceptual model of standard formats for delivering 3D cities on the web. Next, we integrate the temporal dimension of cities to this model. Then, we apply our generic model to the 3D Tiles standard at conceptual and technical specification level, resulting in an extension of 3D Tiles for delivering time-evolving 3D city models on the web. Finally, we propose an implementation in a 4-tiers web architecture and provide tests on datasets of the city of Lyon, France.
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https://hal.archives-ouvertes.fr/hal-02501662
Contributor : Sylvie Servigne <>
Submitted on : Saturday, March 7, 2020 - 4:58:07 PM
Last modification on : Monday, March 30, 2020 - 1:54:27 PM

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Sylvie Servigne, Gilles Gesquière, Vincent Jaillot. Delivering time-evolving 3D city models for web visualization. International Journal of Geographical Information Science, Taylor & Francis, 2020, 25 p. ⟨10.1080/13658816.2020.1749637⟩. ⟨hal-02501662⟩

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