virtual reality techniques for sharing data and models
DESCRIPTION
Virtual Reality Techniques for Sharing Data and Models. Bianca FalcidienoFlavio Rossi Michela Spagnuolo . Istituto per la Matematica Applicata Consiglio Nazionale delle Ricerche Via De Marini ,6 Genova Italy. CONSIGLIO NAZIONALE DELLE RICERCHE (CNR). - PowerPoint PPT PresentationTRANSCRIPT
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Michela Spagnuolo Istituto per la Matematica Applicata
Virtual Reality TechniquesVirtual Reality Techniquesfor for
Sharing Data and ModelsSharing Data and Models
Istituto per la Matematica ApplicataIstituto per la Matematica ApplicataConsiglio Nazionale delle RicercheConsiglio Nazionale delle Ricerche
Via De Marini ,6 Genova Via De Marini ,6 Genova ItalyItaly
Bianca FalcidienoBianca Falcidieno Flavio Rossi Flavio Rossi Michela Spagnuolo Michela Spagnuolo
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Michela Spagnuolo Istituto per la Matematica Applicata
CONSIGLIO NAZIONALE DELLE RICERCHE (CNR)
The Italian National Research Council is a government body responsible for the promotion and regulation of research to further scientific and technological progress in Italy
334 Operative Units located throughout Italy (191 Institutes)
Research Areas
15 National Advisory Committees
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Michela Spagnuolo Istituto per la Matematica Applicata
IMAIstituto per la Matematica
Applicata
CONSIGLIO NAZIONALE DELLE RICERCHE
Via De Marini 6 Genova
Italy
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Michela Spagnuolo Istituto per la Matematica Applicata
• Silvia Ansaldi• Marco Attene• Silvia Biasotti • Chiara Catalano• Andrea Clematis• Monica De Martino• Bianca Falcidieno• Marzia Fontana• Giovanni Gallo• Franca Giannini• Maria Meirana
• Marina Monti• Michela Mortara• Massimiliano Moscati• Laura Papaleo• Corrado Pizzi • Caterina Pienovi • Alessandro Raviola• Flavio Rossi• Michela Spagnuolo• Salvatore Spinello• Franco Tallero
Computer Graphics Group
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Michela Spagnuolo Istituto per la Matematica Applicata
Research Fields• Geometric Modelling• Shape Modelling
Computer Graphics Group
Main Applications• Product Modelling for
Industrial Design • Spatial Data Modelling in
Geographic InformationSystems
Projects
• Industrial Design• Aesthetic Design• Fast Prototyping • Antarctica• Digital Terrain Modeling• Sea Floor Modeling• Coastal Area Management• Pollutant Diffusion• Ergonomy
International Cooperations France, Germany, Greece, Japan, Spain
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Michela Spagnuolo Istituto per la Matematica Applicata
International Projects related to Spatial Data Handling
PLAINS: Prototype Landscape Assessment Information SystemStarting date: Nov 1999Contact Person: Andrea ClematisEC TELEMATICS FOR ENVIRONMENT
WATERMAN: System for Water Monitoring and Sustainable Management Based on Ground Stations and Satellite Images
Starting date: Oct 98Contact Person: Giuliana DettoriEC INCO-COPERNICUS
ACT: Autonomous Container TrackingStarting date: 1 Dec 1998Contact Person: Andrea Clematis, Monica De MartinoEC BRITE EURAM III CRAFT
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Michela Spagnuolo Istituto per la Matematica Applicata
International Projects related to Spatial Data Handling
High-quality surface modellingConsultancy Research Contract between IMA-CNR and Monolith co Ltd, Tokyo, Japan (1998-2001)
• surface modelling• model compression
• uncertainty coding• shape analysis
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Michela Spagnuolo Istituto per la Matematica Applicata
International Projects related to Spatial Data Handling
THETIS: a Data Management and Data Visualisation System for Supporting Coastal Zone Management of the Mediterranean SeaTELEMATICS, Project F0069, Starting: 1st July 1998 (30 months)
• ICS-FORTH, Greece (Leader Contractor) ERCIM, France INRIA, France University of Crete, Greece IACM-FORTH, Greece Space Alcatel, France HR WALLINGFORD, UK RECORMED-NTEWORK, France IMBC, Greece IMA-CNR, Italy
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Michela Spagnuolo Istituto per la Matematica Applicata
THETIS Project
Vision: Information management in CZM is promoted through an open, federated system that facilitates resource sharing while maintaining operational autonomy for its members
Objectives: On-line access using WWW technology Straightforward plug-in / publishing capability both for models and
data sets Efficient search for data and models via appropriate metadata
descriptions and a distributed search engine Flexible data integration using mediation techniques Dynamic invocation of models to produce data on demand Interactive data visualisation using GIS technology and VR
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Michela Spagnuolo Istituto per la Matematica Applicata
wrappers for data and
programs
THETIS architecture
data
data
retrievalengine
searchengine
programs
dataprograms
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Michela Spagnuolo Istituto per la Matematica Applicata
THETIS architecture
data
programs
data
retrievalengine
dataprograms
searchengine
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Michela Spagnuolo Istituto per la Matematica Applicata
THETIS architecture
data
programs
data
retrievalengine
dataprograms
searchengine
data
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Michela Spagnuolo Istituto per la Matematica Applicata
THETIS Demonstrator Scenarios
Waste Transport, for the simulation of pollution point sourcesgeneral circulation data, concentration of effluents, transport of pollutants
Tracking of Sea Structures, for the study of the dynamic of oceansoceanographic structures
Nearshore and Offshore Waves, for coastal defences, coastal and offshore structures, flood prevention, etc
Calculation of the wave climate based on historical wind and wave dataEstimation of directional (2D) spectra of surface waves based on heave-pitch-roll
time series
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Michela Spagnuolo Istituto per la Matematica Applicata
IMA-CNR Contribution
Embedding of a 3D surface modelling program in the THETIS system
digital topographic data of coastal areas (i.e. bathymetry, coast lines, contours, ……) are merged in a suitable geometric model able to capture the different morphological shapes of coastal areas
Integration of advanced visualization tools in the THETIS system
virtual reality techniques offer a transparent and easy-to-use support for sharing GUI environments over the WEB
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Michela Spagnuolo Istituto per la Matematica Applicata
Surface modelling system: a shape-based approach
data
shape reconstruction
enricheddata
shape-based model
abstraction
reconfiguration
analysis
bathymetric profiles
shape-based model
shape reconstruction
filtering
shape-based model
digitalized contours
constrained Delaunay TIN
medial axis transform
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Michela Spagnuolo Istituto per la Matematica Applicata
Virtual Reality
Virtual RealityComputer interface technology for the interaction with real-time 3D virtual environments in a more intuitive manner
Virtual Environmentsrealistic,interactive and immersive simulations of places and scenes
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Michela Spagnuolo Istituto per la Matematica Applicata
Virtual Reality for Geodata
VR, as a tool for simulating the real world rather then for imitating it, is a suitable graphical interface for navigating spatial data and supporting users in decision-making processes or exploratory data analysis
VRML: Virtual Reality Modeling Language Standard language for representing VR worlds Support for modelling of geometry and interactions Sharable and platform-independent
VRML is a suitable support for building GUI for geodata Cost effective (generally, VR plug-ins are freeware) Easy to use
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Michela Spagnuolo Istituto per la Matematica Applicata
VINCA: Virtual Navigation of Coastal Areas
http:// thetis.ima.ge.cnr.it/~thetis/thetis.html
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Michela Spagnuolo Istituto per la Matematica Applicata
VINCA: Virtual Navigation of Coastal Areas
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Michela Spagnuolo Istituto per la Matematica Applicata
VINCA: Virtual Navigation of Coastal Areas
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Michela Spagnuolo Istituto per la Matematica Applicata
VINCA: Virtual Navigation of Coastal Areas
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Michela Spagnuolo Istituto per la Matematica Applicata
VINCA: Virtual Navigation of Coastal Areas
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Michela Spagnuolo Istituto per la Matematica Applicata
VINCA: Virtual Navigation of Coastal Areas
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Michela Spagnuolo Istituto per la Matematica Applicata
THETIS: Wave Scenario User Interface (provisional)
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Michela Spagnuolo Istituto per la Matematica Applicata
THETIS: Wave Scenario (provisional)
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Michela Spagnuolo Istituto per la Matematica Applicata
Conclusions and Future Work
THETIS: data and program sharing system
Full embedding of the surface modelling module in the THETIS system, with integration with the GIS user interface of THETIS
VR to support data visualization together with traditional GIS tools
Extend the interaction capabilities with VR-DTM
VRML or Java3D ??