Re: Projective image transformations

Carl Worth <[email protected]> Thu, 12 Sep 2002 16:33:25 -0400

Newsgroups	gmane.comp.xfree86.render
Message-ID	<[email protected]>

On Sep 12, Keith Packard wrote:
 > I suspect I'll need to define this as a region covering the projection of 
 > the undefined areas in the source.  That will require inverting the 
 > transformation matrix,

You mentioned that you want to allow arbitrary 3X3 matrices, hence
there's no guarantee that you can invert the the transformation
matrix.

-Carl

-- 
Carl Worth                          USC Information Sciences Institute