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Client-Server Visualization of City Models through Non Photorealistic Rendering

Jean-Charles Quillet 1 Gwenola Thomas 1 Jean-Eudes Marvie 1
1 IPARLA - Visualization and manipulation of complex data on wireless mobile devices
INRIA Futurs, Université Sciences et Technologies - Bordeaux 1, École Nationale Supérieure d'Électronique, Informatique et Radiocommunications de Bordeaux (ENSEIRB), CNRS - Centre National de la Recherche Scientifique : UMR5800
Abstract : In this report, we present a method allowing to visualize and interact with massive virtual urban environments adapted to mobile and connected devices like PDA or mobile phones. These devices have a very limited computational power and a restricted display area. We address these constraints using two optimizations. The first one is locale, we propose a simplified representation of building' facades as an alternative for textured rendering. Feature lines are extracted from facade images and vectorised. The resulting representation is more compact than the original image and allows to optimize transmission and rendering costs. As a global optimization, we split up the urban scenery in cells using the Magellan framework. Then we compute visibility relationships between the cells in order to stream the model.
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https://hal.inria.fr/inria-00069867
Contributor : Rapport de Recherche Inria <>
Submitted on : Friday, May 19, 2006 - 6:22:58 PM
Last modification on : Thursday, February 11, 2021 - 2:46:02 PM
Long-term archiving on: : Saturday, April 3, 2010 - 10:35:51 PM

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  • HAL Id : inria-00069867, version 1

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Jean-Charles Quillet, Gwenola Thomas, Jean-Eudes Marvie. Client-Server Visualization of City Models through Non Photorealistic Rendering. [Research Report] RT-0313, INRIA. 2005, pp.22. ⟨inria-00069867⟩

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