Re: [Algorithms] LightMaps

[Pierre T. <p.t...@wa...>]

I'm also planning to add a little lightmapper in Flexporter, so that you can
get a lightmapped scene out of MAX in just one click. But for the moment I
have some difficulties with the bilinear filtering, which creates those
nasty lines between triangles. Yeah, I'm really not the lightmap expert :)
The best way to wipe them out would be to use a planar-mapping approach to
compute the UVs, but I used the strips approach we discussed before - read
the last threads again. I could also tweak the UVs a bit, but it would
destroy all the benefits of strips. Hence, I think I must rewrite the whole
thing using a planar mapping approach, as most people seem to do. But I
still don't know how to handle weird cases such as the torus one we already
talked about. All in all, if someone knows where I could find decent
lightmapping code, just tell me. This is really not something exciting to
write. And since this is really not the first time someone ask that
question, I actually wonder why there isn't a standard lightmapping solution
we could all use instead of individually rewriting the same boring code ?
Maybe there are some issues I can't think of, duno...

Pierre

----- Original Message -----
From: Akbar A. <sye...@ea...>
To: <gda...@li...>
Sent: Friday, August 18, 2000 6:07 AM
Subject: RE: [Algorithms] LightMaps


> http://www.lightscape.com/
> some people have said they have had problems with this.
> you could right your own radiosity util.
> lightmap res is usually much lower.
>
>
> peace.
> akbar A.
>
> "We want technology for the sake of the story, not for its own sake. When
> you look back, say 10 years from now, current technology will seem quaint"
> Pixars' Edwin Catmull.
>
>
> -----Original Message-----
> From: gda...@li...
> [mailto:gda...@li...]On Behalf Of
> SHA...@ao...
> Sent: Wednesday, August 16, 2000 3:16 PM
> To: alg...@3d...
> Subject: [Algorithms] LightMaps
>
>
> Hi,
>
> I want to introduce static light maps, is there any utility out there
which
> will precompute the lightmap textures out there if I give it a bunch of
> lights and triangles to play with?
>
> Also, is it necessary for every tri to have it's own lightmap texture or
is
> it better to just stick to a few basic lightmaps and put them all into one
> texture?
>
> Regards,
>
> John.
>
>
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