Get flash to fully experience Pearltrees
Simple GLUT - it could not be easier!
In this tutorial I will explain how the OpenGL Coordinate System works. You will also learn about Perspective Projection and Orthographic Projection (the latter is used for technical renderings like autocad, the former is used for video games, or interactive graphics rendering). This tutorial puts the basic pieces of the 3D graphics puzzle together.
Follows are details on usage of OpenSceneGraph from source packages.
OpenGL Programming Guide