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Basic foilset Functionality and Architectures of 3D Collaborative Environments

Given by Pawel Roman at Defense of 5 CIS Master's Theses on Dec 15 1997. Foils prepared April 13 98
Outside Index Summary of Material

This presentation describes 3D technology built for CIV Rome Laboratory project and includes
Basic Motivation and related activities
Database Support
Collaboration and Integration into TANGOsim

Table of Contents for full HTML of Functionality and Architectures of 3D Collaborative Environments

 Denote Foils where Image Critical
Denote Foils where HTML is sufficient
1 Functionality and Architectures of 3D Collaborative Environments
2 Abstract of 3D Technology Presentation
3 Motivation
4 Motivation (cont'd)
5 3D Visualization Environments
6 3D Visualization Environments
7 3D Visualization Environments
8 3D Geographic Information System
9 Operating in the World
10 Interactive Objects
11 Database Support
12 Discrete Event Simulation
13 Shared State
14 Synchronization
15 Advanced Data Processing Techniques
16 Data Transformation Process
17 GIS Extensions
18 Control Center
19 Core Technologies
20 Architecture
21 Cooperation with TANGOSim
22 Conclusions

Outside Index Summary of Material

HTML version of Basic Foils prepared April 13 98

Foil 1 Functionality and Architectures of 3D Collaborative Environments

From Functionality and Architectures of 3D Collaborative Environments Defense of 5 CIS Master's Theses -- Dec 15 1997. *
Full HTML Index
Pawel Roman
Northeast Parallel Architectures Center
Syracuse University
HTML version of Basic Foils prepared April 13 98

Foil 2 Abstract of 3D Technology Presentation

From Functionality and Architectures of 3D Collaborative Environments Defense of 5 CIS Master's Theses -- Dec 15 1997. *
Full HTML Index
This presentation describes 3D technology built for CIV Rome Laboratory project and includes
Basic Motivation and related activities
Database Support
Collaboration and Integration into TANGOsim
HTML version of Basic Foils prepared April 13 98

Foil 3 Motivation

From Functionality and Architectures of 3D Collaborative Environments Defense of 5 CIS Master's Theses -- Dec 15 1997. *
Full HTML Index
What Do We Need 3D For?
HTML version of Basic Foils prepared April 13 98

Foil 4 Motivation (cont'd)

From Functionality and Architectures of 3D Collaborative Environments Defense of 5 CIS Master's Theses -- Dec 15 1997. *
Full HTML Index
What Do We Need Collaboration For?
Two Can More Than One
Eliminates the Need of Relocation
Collaboration is used in:
Simultaneous Engineering
Scientific Visualizations
Remote Sensing
Military Simulations
HTML version of Basic Foils prepared April 13 98

Foil 5 3D Visualization Environments

From Functionality and Architectures of 3D Collaborative Environments Defense of 5 CIS Master's Theses -- Dec 15 1997. *
Full HTML Index
mWorld
Synchronized Viewers
Deformable Objects
Load Distribution
Decentralized Architecture
http://www.adetti.iscte.pt/
HTML version of Basic Foils prepared April 13 98

Foil 6 3D Visualization Environments

From Functionality and Architectures of 3D Collaborative Environments Defense of 5 CIS Master's Theses -- Dec 15 1997. *
Full HTML Index
CSpray
Powerful metaphors
  • Smart Particles (Sparts)
  • Cans
Collaboration Awareness
  • Eye icons (Eyecons)
  • Looking over other participant's shoulder
Floor Control and Data Sharing
http://www.cse.ucsc.edu/research/slvg/cspray.html
HTML version of Basic Foils prepared April 13 98

Foil 7 3D Visualization Environments

From Functionality and Architectures of 3D Collaborative Environments Defense of 5 CIS Master's Theses -- Dec 15 1997. *
Full HTML Index
Virtual GIS
Real-Time Visualization
Discrete Event Simulation using DIS protocol
Continuous Level-Of-Detail
Protruding Features
Complex Multi-threaded Architecture
Lack of Collaboration Features
http://www.cc.gatech.edu/gvu/datavis/research/vgis.html
HTML version of Basic Foils prepared April 13 98

Foil 8 3D Geographic Information System

From Functionality and Architectures of 3D Collaborative Environments Defense of 5 CIS Master's Theses -- Dec 15 1997. *
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 April 13 98

Foil 9 Operating in the World

From Functionality and Architectures of 3D Collaborative Environments Defense of 5 CIS Master's Theses -- Dec 15 1997. *
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 April 13 98

Foil 10 Interactive Objects

From Functionality and Architectures of 3D Collaborative Environments Defense of 5 CIS Master's Theses -- Dec 15 1997. *
Full HTML Index
Hot Spot
  • A geo-referenced area with an associated URL
Pickable Object
  • A VRML or OI model with an associated URL
URLs are sent to a Web Browser
Draggable Objects
  • A VRML or OI model that can be moved by the user
HTML version of Basic Foils prepared April 13 98

Foil 11 Database Support

From Functionality and Architectures of 3D Collaborative Environments Defense of 5 CIS Master's Theses -- Dec 15 1997. *
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 April 13 98

Foil 12 Discrete Event Simulation

From Functionality and Architectures of 3D Collaborative Environments Defense of 5 CIS Master's Theses -- Dec 15 1997. *
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 April 13 98

Foil 13 Shared State

From Functionality and Architectures of 3D Collaborative Environments Defense of 5 CIS Master's Theses -- Dec 15 1997. *
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 April 13 98

Foil 14 Synchronization

From Functionality and Architectures of 3D Collaborative Environments Defense of 5 CIS Master's Theses -- Dec 15 1997. *
Full HTML Index
Events are translated into compact messages and broadcast to other participants
Communication classes
Dynamic Viewer Protocol
Control Center Protocol
Reliable Transport Protocol - TCP
HTML version of Basic Foils prepared April 13 98

Foil 15 Advanced Data Processing Techniques

From Functionality and Architectures of 3D Collaborative Environments Defense of 5 CIS Master's Theses -- Dec 15 1997. *
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 April 13 98

Foil 16 Data Transformation Process

From Functionality and Architectures of 3D Collaborative Environments Defense of 5 CIS Master's Theses -- Dec 15 1997. *
Full HTML Index
Server
Viewer
HTML version of Basic Foils prepared April 13 98

Foil 17 GIS Extensions

From Functionality and Architectures of 3D Collaborative Environments Defense of 5 CIS Master's Theses -- Dec 15 1997. *
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 April 13 98

Foil 18 Control Center

From Functionality and Architectures of 3D Collaborative Environments Defense of 5 CIS Master's Theses -- Dec 15 1997. *
Full HTML Index
Viewer Management
Communication with TANGO
Local Message Dispatching
Graphical User Interface
Overall World Map
HTML version of Basic Foils prepared April 13 98

Foil 19 Core Technologies

From Functionality and Architectures of 3D Collaborative Environments Defense of 5 CIS Master's Theses -- Dec 15 1997. *
Full HTML Index
Open Inventor
Adaptive Communication Environment (ACE)
TANGO
TANGOsim
Xt Intrinsics and Motif
Standard Template Library
HTML version of Basic Foils prepared April 13 98

Foil 20 Architecture

From Functionality and Architectures of 3D Collaborative Environments Defense of 5 CIS Master's Theses -- Dec 15 1997. *
Full HTML Index
Control Center
Other 3D GIS instances or TANGOsim
HTML version of Basic Foils prepared April 13 98

Foil 21 Cooperation with TANGOSim

From Functionality and Architectures of 3D Collaborative Environments Defense of 5 CIS Master's Theses -- Dec 15 1997. *
Full HTML Index
TANGOsim
HTML version of Basic Foils prepared April 13 98

Foil 22 Conclusions

From Functionality and Architectures of 3D Collaborative Environments Defense of 5 CIS Master's Theses -- Dec 15 1997. *
Full HTML Index
3D GIS
  • Interactive Journey
  • Radar Operator Console, part of Command Control
  • Visible Human, visualization of reconstructed human organs
3D Collaborative Environments
  • Boost performance of group work
  • Expected further development
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