PPT Slide

Introducing X3D

Building X3D Worlds

Leonard Daly

Don Brutzman

daly@realism.com

http://realism.com/Web3D/x3d/s2002

Outline

• Browsers

• Using X3D-Edit
  • Profiles
  • Basic Node Use

• Participant World Development

• Show, Review & Discuss Work

Browsers

• Anima (Media Machines)

• Contact (blaxxun)

• Cortona (Parallel Graphics)

• FreeWRL

• Piveron (Nexternet)

• Xj3D (Yumetech)

Anima

• Media Machines
  • http://www.mediamachines.com/
  • Tony Parisi: tparisi@mediamachines.com

• Support for
  • X3D Interactive & Interchange Profiles
  • External Authoring Interface (COM)
  • XML/VRML97 encoding

• Windows Now; Other Ports Later

Cortona

• Parallel Graphics
  • http://www.parallelGraphics.com/

• Support for
  • All Profiles
  • XML/VRML97 encoding

• Windows and Macintosh

Xj3D

• Yumetech, Inc
  • Alan Hudson: giles@yumetech.com

• SIGGRAPH (M5 Release)
  • All X3D Language Features
  • Performance Overhaul
  • Complete EAI Implementation
  • 49/54 VRML97 Nodes Completely Implemented
  • Interchange, Interactive, Extensible Profiles Supported

Using X3D-Edit

• Internationalization (i18n)

• Installation

• Profiles

• Nodes

• Basic Operation

• Context-Sensitive Tips

• Content Validation

Installation

• http://www.web3D.org/TaskGroups/x3d/translation/README.X3D-Edit.html

• 128MB RAM

• JRE/JDK 1.3.1 (Sun)

• Xeena (IBM)

• X3D-Edit Distribution (Web3D)

• X3D Examples (Web3D)

• NIST Conformance Suite (Web3D)

Internationalization

• Available Languages
  • English, French, Spanish

• Invoking
  • X3d-Edit-<Language>.bat ORSET X3dLanguagePreference=<Language>
  • X3D-Edit.bat
  • Language is
    • English
    • French
    • Spanish

Profiles

Full0x

Base

VRML97

Extensible

Interactive

Inter-

change

Nurbs

Text

Extrusion

Script

PROTO

Switch

sensors

SpotLight

KeySensor

Basic Nodes

Node Inter- VRML97 Full0x

Type Active Base ______
Geometry 10 (+/-1) 14 14

Grouping 2 (+1?) 5 5
Interpolating 5 6 8
Light&Sound 3 (+2) 5 5
Misc.. 7 (+3) 10 10
Sensing 6 (+3) 7 9
Special 0 0 16
Texture 5 (+3?) 8 8

Nodes Charts

• Node Summary Tables Available
  • Nodes by Name
  • Nodes by Category

• Type
  • Content Developerís Categorization
  • Specification Categorization

• VRML Limits

• Profile Capabilities

Using X3D Nodes

• Advanced - New Nodes (Nurbs, GeoSpatial)

• Appearance - Object Appearance

• Container - Holds other nodes

• Geometry - Defines object shape

• Interpolator - Keyframe animator

• Light - Lights the world

• Sensor - Detects Interactions

• Sound - Audio support

• Miscellaneous - Whatever else

Using X3D-Edit

• Internationalization (i18n)

• Installation

• Basic Operation

• Context-Sensitive Tips

• Content Validation

X3D-Edit Operation

• Starting Application
  • X3d-Edit
  • X3d-Edit-English.bat
  • X3d-Edit-French.bat
  • X3d-Edit-Spanish.bat

• Context-Sensitive Tips

• Adding Nodes

Start Up

Defining Headers

Adding Nodes

Transform

Group

Basic Shapes

Animation

Building a World

• Design

• Model Components

• Assemble

• Optimize

PPT Slide

Participant

World

Development

PPT Slide

Show

&

Tell

Resources

• Web3D Consortium
  • X3D Working Group (http://web3d.org/x3d.html)

• Daly Realism
  • http://realism.com/Web3D/x3d/
  • http://realism.com/Web3D/x3d/s2002

Design

• Determine Performance Characteristics

• Sketch World

• Include Major Dimensions

• Storyboard Animations

• Refine and Add Detail

• Identify World Components

Model

• Identify Model Source
  • Pre-Built
  • Custom Build

• Sketch Out Model Details

• Model with Appropriate Tool
  • 3D Studio Max, Spazz3D, Ö

• Texture and Animate

• Save/Export in X3D Format

Assemble

• Translate all Models to Common Format

• Include and Position Components

• Develop Remaining Animation

• Tools Available
  • X3D-Edit
  • Spazz3D
  • Internet Scene Assembler

Optimize

• Measure Performance Characteristics
  • Frame Rate
  • Download Size
  • Rendering Quality

• May Require Changes
  • Image Texture
  • Modeling
  • Animation
  • World Layout
  • Assembly

Optimize (Cont.)

• Use Chisel

• Iterative Process
  • Repeat Until Desired Performance Reached

• Package for Use