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Rencontre franco-espagnole de réalité virtuelle et interaction graphique Girona, December 2007

3D urban GIS methods and tools for modeling, simulation and visualisation of urban data Guillaume Moreau Ecole Centrale de Nantes - CERMA / IRSTV. Rencontre franco-espagnole de réalité virtuelle et interaction graphique Girona, December 2007.

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Rencontre franco-espagnole de réalité virtuelle et interaction graphique Girona, December 2007

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  1. 3D urban GIS methods and tools for modeling, simulation and visualisation of urban data Guillaume Moreau Ecole Centrale de Nantes - CERMA / IRSTV Rencontre franco-espagnole de réalité virtuelle et interaction graphique Girona, December 2007 http://www.cerma.archi.fr http://www.irstv.cnrs.fr

  2. Environment • Ecole Centrale Nantes • Computer Science Dept • CERMA lab • Architectural and urban ambiances • interdisciplinary research (thermics, acoustics, architecture, CS…) • IRSTV : Research Federation on Sciences and Techniques of the city • 13 partners • all research topics related to urban management and sustainable development • Talk is only focused on VR/AR related aspects

  3. CERMA Team • 19 professors and researchers • 11 PhD students • 5 administrative and technical staff

  4. Context: urban data • Sustainable development and urban planning demand new complex spatial queries • what are the walls that have less than 2hrs sunlight in summer and more than 6 in winter? • Data is 3D (+ time) but queries also are • Heterogeneity (nature, scale, source) • Issues • Modeling, acquisition, update, quality • data query (definition and execution) • data and results visualization • Towards on site GIS (uses, AR)

  5. CS Research themes • Data models • discrete vs. continuous models • multi-scale and multi-representation • Geo-referencing of data • Data acquisition - update • image georeferencing and knowledge extraction • computer vision • Representation • Virtual Reality • mobile GIS - Augmented reality • Computer graphics (inverse modeling & simulation) • GIS • Interoperability, SDI, middleware, GIS usage

  6. Outdoor augmented reality georeferencing and local registration mobile GIS visualization (light clients) data acquisition and updating Applications: information retrieval and decision-making tools

  7. the « 3D GIS - pictures » loop • We believe that • but also that + you are here! + Maps and pictures are both projections of the same environment. There exists an homography… [Cipolla]

  8. Visualization topics and projects • Stereoscopic visualization confort enhancement (with ENSMP-CAOR) • VR for ambiences analysis and communication • VR for studying landscape impacts of wind farms • visual + aural • Generation of 3D urban models • NPR for urban data visualization • Urban indicators • Query building • Thematic mapping (3D+t) : SLD extension

  9. Partners • Other IRSTV members (CESTAN/ESO, L3i, IRCCyN, L2G/ESGT) • Keio University [AR] • UDG - University of Girona [CG] • Ecole des mines de Paris - CAOR [VR] • IICT-SYSIN [GIS] • Sponsors • Région Pays de la Loire [GIS] • Conseil général de Loire-Atlantique [cultural heritage] • Nantes Métropole [AR] • DCNS [AR]

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