On Wed, 13 Mar 2002 11:08:15 -0600, "Tom A." <tar### [at] my-dejacom> wrote:
> I rendered a picture (in windows POV) at 800x600.  I then used the
> preview to find a subset of the picture I want to animate.  I set up the
> start_column, end_column, start_row, end_row fine.  But the subset is
> rendering in the middle of an 800x600 black picture. 

Have you compared preview window with image written to file ?
IIRC it contains only subset. At least last time when I used subset of rows it
worked this way.

> I eventually want to write a program that will display the animation
> over the correct part of the picture, so for efficiency, I'll want the
> animation as small as possible.

But any compressed format of animation like gif, fli/flc, avi, mpg, asf
animate only part with changes. So animation encoder/player should worry about
it instead of you.

> If there is no way, I'll write a program to extract the important part
> out of the various frames, but I'd rather not have to do that.

Consider asking in animation group.

ABX
--
disc{z,-z 5#macro O()asc(substr("-+((1*(,1,/.-,*/(,&.323/'1"e,1))*.1-4#declare
e=e-1;#end#local e=26;pigment{#local g=function(_){ceil(_)-_}function#local//X
k=function{pattern{object{sphere_sweep{linear_spline 13#while(e>0)<O(),O()//AB
>.01#end}}}}{k(g(atan2(x,y)),g(ln((y+x)^2+1e-5)),0)}}finish{ambient 1}}//POV35

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