Chapter 3. Viewing

Chapter Objectives

After reading this chapter, you’ll be able to do the following:

• View a geometric model in any orientation by transforming it in three-dimensional space

• Control the location in three-dimensional space from which the model is viewed

• Clip undesired portions of the model out of the scene that’s to be viewed

• Manipulate the appropriate matrix stacks that control model transformation for viewing, and project the model onto the screen

• Combine multiple transformations to mimic sophisticated systems in motion, such as a solar system or an articulated robot arm

• Reverse or mimic the operations of the geometric processing pipeline

Note

For OpenGL Version 3.1, many of the techniques and functions ...

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