Christopher James Huff <cja### [at] earthlinknet> wrote:
> Would a post_process filter that used the alpha channel to overlay the 
> image over another do what you want?

  Yes, but adding a post-process engine for this purpose is overkill
(since it can be done in a pixel-by-pixel basis while rendering).

-- 
#macro M(A,N,D,L)plane{-z,-9pigment{mandel L*9translate N color_map{[0rgb x]
[1rgb 9]}scale<D,D*3D>*1e3}rotate y*A*8}#end M(-3<1.206434.28623>70,7)M(
-1<.7438.1795>1,20)M(1<.77595.13699>30,20)M(3<.75923.07145>80,99)// - Warp -

Post a reply to this message