On Thu, 7 Dec 2000, Federico Mena Quintero wrote: > Shlomi Fish <shlomif@xxxxxxxxxxxxxxxxxxx> writes: > > > If anybody is familiar with the Gimp's gradient editting capabilities then > > he is probably familiar with the state-of-the-art one dimensional (1-D) > > gradient editting. My problem is that it's only one dimensional and does > > not allow you to edit a gradient in a plane. > > > > Does anybody know of any methodologies and algorithms for creating a > > two-dimensional gradient editting. I.e: I will be able to define points > > and shapes on the plane with colors that correspond to those handles, and > > then use blending methods between them, so that I'll eventually have a > > gradient that spreads across the 2-D plane. > > 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? Regards, Shlomi Fish > Federico > ---------------------------------------------------------------------- Shlomi Fish shlomif@xxxxxxxxxxxxxxxxxxx Home Page: http://t2.technion.ac.il/~shlomif/ Home E-mail: shlomif@xxxxxxxxxx The prefix "God Said" has the extraordinary logical property of converting any statement that follows it into a true one.
