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From: Jeric@cup.portal.com
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To: lightwave-l@netcom.com
Subject: Re: clipmapping
Lines: 40
Date: Sat, 22 Apr 95 19:34:42 PDT
Message-ID: <9504221934.4.20236@cup.portal.com>
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>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.
Since "color 0" is an Amiga convention, at the very least this makes
it easier for us to use bitmaps output by Photoshop, et al.
What is "color 0" in a 24 bit image?
Besides, gray scale is the industry standard way of doing things.
>
> 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.
This is also true of clipmapping in LW.
>
> 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