... so that you can follow the programming examples in the rest of this book. (See Appendix D formore details about this subset of GLUT, or see Chapters 4 and 5 of OpenGL Programming for the XWindow ... OpenGL-related routines, including an auxiliarylibrary specifically written for this book to simplify programming examples. "Animation" explains in general terms how to create pictures on ... surfaces. GLU is a standard part of every OpenGL implementation. Also, there is ahigher-level, object-oriented toolkit, Open Inventor, which is built atop OpenGL, and is availableseparately for...