Shlomi Fish wrote: > On Thu, 7 Dec 2000, Federico Mena Quintero wrote: > > > You want PostScript-like tensor gradients. The new edition of the Red > > Book describes them nicely. > > > > What is the Red Book? Where can I find it? What is its ISBN? PostScript(r) Language Reference by Adobe Systems Incorporated Paperback - 912 pages 3rd edition Bk & cdr edition (February 26, 1999) Addison-Wesley Pub Co; ISBN: 0201379228 The "Red Book" is the PostScript bible. (comparable to the "Camel Book" of Perl programmers, but not as much fun to read;) The first edition of this book had a bright red color; it was accompanied by a design book (green cover) and a user's guide (blue cover). Be good, be well Garry