... OpenGL Programming Guide (Addison- Wesley Publishing Company)Chapter 1Introduction to OpenGLChapter ObjectivesAfter reading ... three-dimensional graphics applications. Open Inventor, which is written inC++, provides prebuilt objects and a built-in event model for user interaction, high-level application components for ... separate from OpenGL.Include FilesFor all OpenGL applications, you want to include the gl.h header file in every file. Almost all OpenGLapplications use GLU, the aforementioned OpenGL Utility...