Full HTML for

Basic foilset 3D GIS in Tango and Other 3D Collaboratories

Given by Paul Roman,Nancy McCracken at CPS640 Internet and Multimedia Technologies on April 98. Foils prepared 4 July 98
Outside Index Summary of Material

We discuss CSpray and mWorld and then concentrate
on 3D GIS(Geographical Information System) and its architecture used in TangoSim Command and Control System

Table of Contents for full HTML of 3D GIS in Tango and Other 3D Collaboratories

 Denote Foils where Image Critical
Denote Foils where HTML is sufficient
1 3D Collaboratory
2 3D Collaboratory Deciphered
3 Motivation
4 Motivation (cont'd)
5 mWorld
6 mWorld (cont'd)
7 CSpray (Collaborative Spray)
8 CSpray (cont'd)
9 CSpray (cont'd)
10 Virtual GIS
11 Virtual GIS - Battlefield Simulation
12 3D Geographic Information System
13 3D GIS Architecture
14 Operating in the World
15 Interactive Objects
16 Database Support
17 Discrete Event Simulation
18 Radar Operator Example
19 Shared State
20 Advanced Data Processing Techniques
21 Data Transformation Process
22 GIS Extensions
23 Cooperation with TANGOSim
24 Conclusions
25 Conclusions

Outside Index Summary of Material

HTML version of Basic Foils prepared 4 July 98

Foil 1 3D Collaboratory

From 3D GIS in Tango and Other 3D Collaboratories CPS640 Internet and Multimedia Technologies -- April 98. *
Full HTML Index
Paul Roman
Northeast Parallel Architectures Center
Syracuse University
HTML version of Basic Foils prepared 4 July 98

Foil 2 3D Collaboratory Deciphered

From 3D GIS in Tango and Other 3D Collaboratories CPS640 Internet and Multimedia Technologies -- April 98. *
Full HTML Index
Collaboratory - software supporting computer based (synchronous) cooperation of geographically dispersed participants. In broader scope -- Computer Supported Cooperative Work (CSCW).
3D - software possessing ability to visualize three dimensional worlds and allowing a user to interact with the world's objects.
HTML version of Basic Foils prepared 4 July 98

Foil 3 Motivation

From 3D GIS in Tango and Other 3D Collaboratories CPS640 Internet and Multimedia Technologies -- April 98. *
Full HTML Index
What Do We Need 3D For?
HTML version of Basic Foils prepared 4 July 98

Foil 4 Motivation (cont'd)

From 3D GIS in Tango and Other 3D Collaboratories CPS640 Internet and Multimedia Technologies -- April 98. *
Full HTML Index
What Do We Need Collaboration For?
Two Can More Than One
Eliminates the Need of Relocation
Expertise Is Very Expensive
Collaboration is used in:
Simultaneous Engineering
Scientific Visualizations
Remote Sensing
Military Simulations
HTML version of Basic Foils prepared 4 July 98

Foil 5 mWorld

From 3D GIS in Tango and Other 3D Collaboratories CPS640 Internet and Multimedia Technologies -- April 98. *
Full HTML Index
Synchronized Viewers and Videoconferencing Channels
Joint Navigation in the World
Modification of the World and Its Properties
Deformable Objects Based On Simulation
Load Distribution of Surface Computation
Decentralized Architecture and Resource Replication
http://www.adetti.iscte.pt/
HTML version of Basic Foils prepared 4 July 98

Foil 6 mWorld (cont'd)

From 3D GIS in Tango and Other 3D Collaboratories CPS640 Internet and Multimedia Technologies -- April 98. *
Full HTML Index
HTML version of Basic Foils prepared 4 July 98

Foil 7 CSpray (Collaborative Spray)

From 3D GIS in Tango and Other 3D Collaboratories CPS640 Internet and Multimedia Technologies -- April 98. *
Full HTML Index
Private and Public Virtual Workspaces
Floor Control and Data Sharing
Intuitive User Interface
Extensibility of Visualization Tools
Integrated Approach to Surface, Volume and Flow Visualization
HTML version of Basic Foils prepared 4 July 98

Foil 8 CSpray (cont'd)

From 3D GIS in Tango and Other 3D Collaboratories CPS640 Internet and Multimedia Technologies -- April 98. *
Full HTML Index
Powerful metaphors
  • Smart Particles (Sparts). Particle Systems + Behavioral Animation
  • Cans
Collaboration Awareness
  • Eye icons (Eyecons)
  • Looking over other participant's shoulder
http://www.cse.ucsc.edu/research/slvg/cspray.html
HTML version of Basic Foils prepared 4 July 98

Foil 9 CSpray (cont'd)

From 3D GIS in Tango and Other 3D Collaboratories CPS640 Internet and Multimedia Technologies -- April 98. *
Full HTML Index
HTML version of Basic Foils prepared 4 July 98

Foil 10 Virtual GIS

From 3D GIS in Tango and Other 3D Collaboratories CPS640 Internet and Multimedia Technologies -- April 98. *
Full HTML Index
Real-Time Visualization
Continuous Level-Of-Detail
Protruding Features and Hierarchical Representation
Static and Moving Objects
Discrete Event Simulation using DIS protocol
Advanced Multi-threaded Architecture
Lack of Sophisticated Collaboration Features
http://www.cc.gatech.edu/gvu/datavis/research/vgis.html
HTML version of Basic Foils prepared 4 July 98

Foil 11 Virtual GIS - Battlefield Simulation

From 3D GIS in Tango and Other 3D Collaboratories CPS640 Internet and Multimedia Technologies -- April 98. *
Full HTML Index
HTML version of Basic Foils prepared 4 July 98

Foil 12 3D Geographic Information System

From 3D GIS in Tango and Other 3D Collaboratories CPS640 Internet and Multimedia Technologies -- April 98. *
Full HTML Index
Key Features:
High-End Data Visualization
Fly-Through Capability
Database Access
Discrete Event Simulation
Dynamic Layer Switching
Synchronized or Independent Views
Interactive Objects
HTML version of Basic Foils prepared 4 July 98

Foil 13 3D GIS Architecture

From 3D GIS in Tango and Other 3D Collaboratories CPS640 Internet and Multimedia Technologies -- April 98. *
Full HTML Index
Control Center
Other 3D GIS instances or TANGOsim
HTML version of Basic Foils prepared 4 July 98

Foil 14 Operating in the World

From 3D GIS in Tango and Other 3D Collaboratories CPS640 Internet and Multimedia Technologies -- April 98. *
Full HTML Index
Picking
  • Database Access
  • Dragging Objects
  • Picking Objects and Areas
Navigating
  • Six-Degree Freedom of Movement
  • Following of the Master or Independent Exploration
HTML version of Basic Foils prepared 4 July 98

Foil 15 Interactive Objects

From 3D GIS in Tango and Other 3D Collaboratories CPS640 Internet and Multimedia Technologies -- April 98. *
Full HTML Index
Hot Spots
  • Geo-referenced areas with an associated URL
Pickable Objects
  • VRML or Open Inventor models with a URL
URLs are sent to a Web Browser
Draggable Objects
  • VRML or Open Inventor models that can be moved or disassembled by the user
HTML version of Basic Foils prepared 4 July 98

Foil 16 Database Support

From 3D GIS in Tango and Other 3D Collaboratories CPS640 Internet and Multimedia Technologies -- April 98. *
Full HTML Index
Two-level Access
  • The Nearest Features Window
  • Web Browser Interface
Illustra DBMS by Informix
Spatial Data Blade - Geo-referenced queries
Web Data Blade - HTTP interface
Census Data
Roadfinder based on TIGER/Line
HTML version of Basic Foils prepared 4 July 98

Foil 17 Discrete Event Simulation

From 3D GIS in Tango and Other 3D Collaboratories CPS640 Internet and Multimedia Technologies -- April 98. *
Full HTML Index
Cooperation with TANGOsim
  • Notion of Virtual Time (4th dimension)
  • Powerful Scripting Language
  • Interoperability with Different Kinds of Applications by use of Stubs
Static and Moving Objects (VRML or OI models)
Follow-Up Mode
TANGOsim vs DIS
HTML version of Basic Foils prepared 4 July 98

Foil 18 Radar Operator Example

From 3D GIS in Tango and Other 3D Collaboratories CPS640 Internet and Multimedia Technologies -- April 98. *
Full HTML Index
HTML version of Basic Foils prepared 4 July 98

Foil 19 Shared State

From 3D GIS in Tango and Other 3D Collaboratories CPS640 Internet and Multimedia Technologies -- April 98. *
Full HTML Index
Metadata about Visualized World
Camera Parameters
Hot Spots
Draggable Objcts
Pickable Objects
Static and Moving Objects
Initial State Issue
Consistency
Efficiency
HTML version of Basic Foils prepared 4 July 98

Foil 20 Advanced Data Processing Techniques

From 3D GIS in Tango and Other 3D Collaboratories CPS640 Internet and Multimedia Technologies -- April 98. *
Full HTML Index
Wavelet Compression (Embedded Zerotree Algorithm)
Adaptive Mesh Simplification
Triangulation
Discrete Level Of Detail
World Represented as Triangulated Irregular Network (TIN)
HTML version of Basic Foils prepared 4 July 98

Foil 21 Data Transformation Process

From 3D GIS in Tango and Other 3D Collaboratories CPS640 Internet and Multimedia Technologies -- April 98. *
Full HTML Index
Server
Viewer
HTML version of Basic Foils prepared 4 July 98

Foil 22 GIS Extensions

From 3D GIS in Tango and Other 3D Collaboratories CPS640 Internet and Multimedia Technologies -- April 98. *
Full HTML Index
World Description File Format
  • Based on tags (e.g. GIS_Terrain)
  • Compliant to OI format (SoInfo nodes)
Dynamic World Building
  • Dependent on user's selection
World Extensions
  • Automatically added less detailed areas
Movement Constraints
  • No floating-in-the-void effect
HTML version of Basic Foils prepared 4 July 98

Foil 23 Cooperation with TANGOSim

From 3D GIS in Tango and Other 3D Collaboratories CPS640 Internet and Multimedia Technologies -- April 98. *
Full HTML Index
TANGOsim
HTML version of Basic Foils prepared 4 July 98

Foil 24 Conclusions

From 3D GIS in Tango and Other 3D Collaboratories CPS640 Internet and Multimedia Technologies -- April 98. *
Full HTML Index
3D GIS
  • Interactive Journey - part of Living Schoolbook project
  • Radar Operator Console, part of Command Control for Collaboration and Interactive Visualization project
  • Visible Human, visualization of reconstructed human organs
HTML version of Basic Foils prepared 4 July 98

Foil 25 Conclusions

From 3D GIS in Tango and Other 3D Collaboratories CPS640 Internet and Multimedia Technologies -- April 98. *
Full HTML Index
3D Collaborative Environments
  • Boost Performance of Group Work
  • Facilitate Better Understanding of Visualized Data
  • Allow Expertise Sharing
  • Eliminate the Need of Physical Relocation
  • Expected Further Development
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