The triangles only approximate the true surface

OpenGL Programming Guide (Addison-Wesley Publishing Company)

}

OpenGL Programming Guide (Addison-Wesley Publishing Company)

OpenGL Programming Guide (Addison-Wesley Publishing Company)

G Use OpenGL evaluator commands to draw basic curves and surfaces

G Use the GLU's higher-level NURBS facility to draw more complex curves and surfaces

This chapter contains the following major sections.

G	discusses what knowledge is assumed for this chapter. It also gives several re you can obtain this information.