Open Scene Graph Tutorial

OpenSceneGraph Tutorial Michael Kriegel, Meiyii Lim, Matthias Keysermann Heriot-Watt University, Edinburgh February 2011 About Open Scene Graph: Open Scene Graph is a modern open source scene Graph. Open Scene Graph (or short OSG) along with the confusingly similar sounding OpenSG seem to become the two leading SceneGraph systems. The main single information source on Open Scene Graph is the project’s website: http://www.openscenegraph.org/projects/osg. On there you can find various downloads for OSG and plugins along with tutorials, examples and discussion groups. About This Tutorial: Unfortunately, the documentation on the OSG website is a bit incomplete and fragmented (there is no single document covering all basic topics) and there are also no books on OSG yet, which is why we prepared this tutorial. We will however refer to documentation items from the website in this tutorial and some of the examples have been taken from the website resources. This tutorial is based around tasks and you should work through it chronologically. Task 1: Setup OSG There are several ways of how to install OSG, which are explained in the annex of this document. For the purpose of this course we prepared a Windows XP OSG distribution, which comes in a zip file containing everything you need to get immediately started. This distribution is already placed in on the I drive in the folder I:\osg. Just make sure the following environment variables are ...