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OpenSceneGraph 3.0

Beginner's Guide

Create high-performance virtual reality applicaions with

OpenSceneGraph, one of the best 3D graphics engines

Rui Wang

Xuelei Qian

BIRMINGHAM - MUMBAI

OpenSceneGraph 3.0

Beginner's Guide

or transmited in any form or by any means, without the prior writen permission of the

publisher, except in the case of brief quotaions embedded in criical aricles or reviews.

Every efort has been made in the preparaion of this book to ensure the accuracy of the

informaion presented. However, the informaion contained in this book is sold without

warranty, either express or implied. Neither the authors, nor Packt Publishing and its dealers

and distributors will be held liable for any damages caused or alleged to be caused directly or

indirectly by this book.

Packt Publishing has endeavored to provide trademark informaion about all of the

companies and products menioned in this book by the appropriate use of capitals.

However, Packt Publishing cannot guarantee the accuracy of this informaion.

First published: December 2010

Producion Reference: 1081210

Published by Packt Publishing Ltd.

32 Lincoln Road

Olton

Birmingham, B27 6PA, UK.

ISBN 978-1-849512-82-4

www.packtpub.com

Cover Image by Ed Maclean ( edmaclean@gmail.com )

Credits

Authors

Rui Wang

Xuelei Qian

Editorial Team Leader

Akshara Aware

Project Team Leader

Lata Basantani

Reviewers

Jean-Sébasien Guay

Cedric Pinson

Project Coordinator

Leena Purkait

Acquisiion Editor

Usha Iyer

Proofreader

Dirk Manuel

Development Editor

Maitreya Bhakal

Graphics

Nilesh Mohite

Technical Editors

Conrad Sardinha

Vanjeet D'souza

Producion Coordinator

Adline Swetha Jesuthas

Cover Work

Adline Swetha Jesuthas

Indexers

Tejal Daruwale

Hemangini Bari

Monica Ajmera Mehta

Foreword

Scene graphs have been the foundaion of real-ime graphics applicaions for the last

two decades, whether it is a 3D game on a phone or a professional light simulator

cosing millions of pounds, a virtual reality applicaion through to the latest 3D real-ime

visualizaion on television, scene graphs are there under the hood, quietly churning out high

quality visuals.

However, even powerful tools like scene graphs don't write world leading graphics

applicaions by themselves, they sill need developers with the skill and knowledge to make

best use of them and the hardware that they run on. This experise isn't something that you

can gain by reading a few pages on the web—graphics hardware and sotware coninues

to evolve and you need to keep up with it... It's a journey of learning and exploraion

undertaken throughout your career.

OpenSceneGraph itself is the world's leading scene graph API, and has been writen by,

and to fulil the needs of, professional graphics applicaion developers. It is writen to be

powerful and producive to use rather than cut down and easy to use. Your irst encounter

with OpenSceneGraph may well be dauning; it's a professional grade scene graph containing

many hundreds of classes and modules. But with this sophisicaion comes the ability to

write very powerful graphics applicaions quickly so it's well worth the efort in learning how

to make best use of it.

The authors of this book are users and contributors to the OpenSceneGraph sotware and its

community. For me it's rewarding to see this open source project reach out across the world

and inspire people, such as Rui Wang and Xuelei Qian, not only to use and contribute to the

sotware, but also to write a book about it so that others can start their own journey into

real-ime graphics.

Openscenegraph 3.0 - Wang_ Rui.pdf

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