The figures from the first edition were done in Adobe
Illustrator. The directory EPS contains these figures.
The directory PS contains the same figures with the
Illustrator headers stripped and should be readable by 
most postscript software. These figures are
copyright (c) 2000, 1997 by Addison Wesley Longman, Inc. Permission is
granted to adopters of "Interactive Computer Graphics: A Top-Down Approach
with OpenGL," by Edward Angel, for the incorporation of these illustrations
into classroom presentations.