PPT Slide

Introducing X3D

Authoring X3D

Leonard Daly

daly@realism.com

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

Outline

• Browsers

• Profiles

• Nodes

• Development Tools

• Building a World in X3D

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

Contact

• blaxxun Interactive
  • http://www.blaxxun.com/

• Support for
  • All Profiles
  • XML/VRML97 encoding

• Windows

Cortona

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

• Support for
  • All Profiles
  • XML/VRML97 encoding

• Windows and Macintosh

FreeWRL

• OpenSource Shared Virtual Worlds
  • http://www.crc.ca/FreeWRL/
  • John Stewart <john.stewart@crc.ca>

• Support for
  • Base Profile
  • External Controls

• Linux
  • Written Mostly in Perl

Piveron

• Nexternet
  • http://www.nexternet.com/

• Support for VRML

• Windows

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

Profiles

Full0x

Base

VRML97

Extensible

Interactive

Inter-

change

Nurbs

Text

Extrusion

Script

PROTO

Switch

sensors

SpotLight

KeySensor

Profiles

• Interchange
  • Geometry, Texture, and Animation

• Interactive
  • Interactive User Controls

• Extensible
  • Interactive + Script node/PROTOs/SAI

• Base
  • Full 3D Experience

• Full
  • Everything

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

VRML vs. X3D

• Profiles

• Varying Levels of Component Capability

• Stricter Conformance

• Enhancement Process

Nodes Charts

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

• Type
  • Content Developerís Categorization

• Spec Category
  • Specification Categorization

• VRML Limits

Development Tools

• Text Editor

• XML Editors

• VRMLPad (Parallel Graphics)

• X3D-Edit

• X3D/VRML Translators

• Chisel

• Rez

Translators

• NIST Developed Translator
  • http://ovrt.nist.gov/v2_x3d.html
  • Java Application
  • PC or Unix based

• Translates X3D Files
  • utf-8 to XML
  • XML to utf-8

• Examples Included in Distribution

Rez

• Open Source Terrain Converter
  • http://www.surak.com.au/~chris/vrml/RezIndex.html
  • Chris Thorne <chris@surak.com.au >

• MultiResolution & Format Conversion

• Inputs
  • DTED, ElevationGrid, Geospatial

• Outputs
  • ElevationGrid, GeoSpatial

Chisel

• OpenSource Optimization Tool
  • http://ovrt.nist.gov/chisel.html
  • Sandy Ressler <sressler@nist.gov>

• Optimizes Worlds
  • Inlines & PROTOs
  • DEF/USE
  • Geometry Reducer
  • VRML Only

• Trapezium (http://www.trapezium.com/)

Building a World

• Design

• Model Components

• Assemble

• Optimize

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

Using X3D-Edit

• Based on IBMís Xeena XML Editor

• Installation

• Basic Operation

• World Assembly

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)

Basic Operation

• Context Sensitive Tips

• Internationalization (I18N)

• Content Validation

Example Build

• Uses Interactive Profile

• Built with X3D-Edit

• Displayable in X3D or VRML Browser

Start Up

Defining Headers

Adding Nodes

Transform

Group

Basic Shapes

Animation

Resources

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

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

• e3D News - News of Web-Based 3D
  • http://e3dNews.com/

Questions

Introducing X3D

Authoring

http://realism.com/Web3d/x3d/s2002

Questions