Comparative Navigation System Comparative Navigation System
for Collaborative Project for Collaborative Project
The 15-th International Conference in Central Europe on Co The 15-th International Conference in Central Europe on Co mputer Graphics, Visualization and Computer Vision’2007, mputer Graphics, Visualization and Computer Vision’2007,
Plzen, Czech Republic Plzen, Czech Republic
Sooyeon OH
Universal City Group,
National Institute of Information and Communications Technology, JAPAN
Contents
・ Objectives
・ Concept
・ Technology
・ Prototype system
・ Conclusion
Objectives
To create content that can be shown to the general public to improve their
understanding of architectural research
To develop a system for architectural design proposals and to put these digital archives to practical use
To develop a system that many users can easily use via the Internet
Concept
Examination of architectural design proposal based on comparison
Comparison effectively improves understanding
Consideration of differences reveals and clarifies contents
Comparison of different contents clarifies relationships, effects, and causal relations
System Development
• System developed using various tools, including modeling and image-editing tools
• GUI developed using Microsoft© DirectX Graphics®
API-based Virtools®
Scene Development
System Requirements
• High-speed rendering
• Lightweight 3D data
• Easy-to-use interface
System Configuration
PC Network distribution server
Process Flow
2.Data converting
and scene creating
3.Attribute/
behavior assigning GUI creatingand
4.Testing debuggingand 1. Database
3D objects
(3D model data, GIS data)
2D contents
(Photo, Texture, and Text)
Data converted using modeler.
Scenes formed by grouping models.
Attributes/behaviors assigned to objects (camera, light, collision detection, LOD, gravity, etc.)
3D objects exported to navigation system
5.Data block and
scene Saving
Data gathered from modeling.
GUI Operation
Interface applet
Camera-free operation One-screen mode
Two-screen mode
Real time simulation applet
Database3D modelof applet
Top Page
System Functions
3D Space Move
Plug-in
Concurrent Comparison Navigation Function
Cross-section View
Concurrent Comparison Navigation
One-screen mode
・ Superposition comparison ・ Object-inserting comparison
Two-screen mode
・ Vertical/Horizontal screen division ・ Guide screen
Four-screen mode
・ Photograph/model comparison
Summary
To develop a shared 3D environment that enables users to see and understand 3D contents collaboratively, we…
developed a prototype interactive collaborative architectural design system using comparison functions.
validated system usability via user evaluations.
Future Work
Expand of comparison content
Pursue of system extension
Develop an easier to-use-GUI
