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To: ZHUNT@Calumet.Yorku.Ca
Organization: Calumet College, York University
Date: Fri, 21 Apr 1995 14:17:43 -500
Subject: Re: clipmapping
Cc: lightwave-l@netcom.com
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>Date: Fri, 21 Apr 1995 10:52:23 -0700 (PDT)
>From: Mike McCool <mikemcoo@efn.org>
>To: ZHUNT@Calumet.Yorku.Ca
>Cc: lightwave-l@netcom.com
>Subject: Re: clipmapping
>
>Hey y'all,
>
> Thanks, everyone, for your help with clipmapping. Turns out that for LW,
>the grayscale pic is the way to go.
>
> Must confess to a bit of disappointment. The clipmap texture in Imagine
>is so handy, without these color limitations. It simply clips out
>everything with color 0. Makes much more sense to me than this 'everything
>above 50% luminosity' business.
>
> You can make picket fences, fern leaves, and even more apparently 3d
>effects in your scenes, without having to actually model these objects.
>Maybe there's a workaround in LW, but I haven't figured it out yet.
>
> I saw reference in the manual to clip-level adjustments in the Switcher.
>Maybe you can pick an EXACT value for the clip--but as I'm running
>Lightwave ala Lightrave (boo, hiss), there's no option for this in my
>setup.
>
> Again, thanks everyone, for your thoughtful suggestions.
The work-around would seem to be just using two different images, I know,
memory used, but thats the price of flexability., check out the current
issue of 3D Artist for a look at how to do decient ivy using chip-maps and
imagemaps, basically it uses two different images with no correlation