On Sun, 09 Jun 2002 00:50:12 +0930, John VanSickle wrote:

> PoD wrote:
>> 
>> On Sat, 08 Jun 2002 07:29:16 +0930, John VanSickle wrote:
>> 
>> > A number of times I find that I would like certain objects to be
>> > anti-aliased, but not the whole scene, or for some objects to be
>> > anti-aliased at a higher level than the rest of the scene.
>> >
>> > What would be the difficulty in programming anti-aliasing regions,
>> > such that any pixel whose ray was shot into the region would be
>> > anti-aliased at a certain level?   I picture syntax such as:
>> >
>> > antialias {
>> >   box { <-1,1,1>,<2,4,4> }
>> >   depth 3
>> >   precision .1
>> > }
>> > }
>> Technically feasible, I think but I suspect that the edges of the box
>> would often become visible as the antialiasing of the background would
>> change as well.
> 
> Well, if increasing the AA of the background changes the way it looks,
> then maybe that background should have AA as well.
> 
> Regards,
> John
 
But it defeats the purpose of localised AA somewhat if you use the same settings
for the background as for your (possibly small) object.
I'm not saying that it couldn't or shouldn't be done, just that I have a
gut feeling that it would not be useful very often.

PoD.

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