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Has anyone done a realistic terrain
bumpmapping patch for POV-Ray? I have
something like this in the works and
am considering releasing it as a patch
for POV-Ray but didn't want to duplicate
existing efforts. Sample renderings
are available at
http://www.daylongraphics.com/products/leveller/
TIA,
Ray Gardener
Daylon Graphics Ltd.
http://www.daylongraphics.com/
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Ray Gardener <ray### [at] daylongraphics com> wrote:
: Has anyone done a realistic terrain
: bumpmapping patch for POV-Ray?
Why do you need a patch for this?
--
main(i,_){for(_?--i,main(i+2,"FhhQHFIJD|FQTITFN]zRFHhhTBFHhhTBFysdB"[i]
):5;i&&_>1;printf("%s",_-70?_&1?"[]":" ":(_=0,"\n")),_/=2);} /*- Warp -*/
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Ray Gardener heeft geschreven in bericht <379e7f8d@news.povray.org>...
>Has anyone done a realistic terrain
>bumpmapping patch for POV-Ray? .......
Ray,
using the option to use bitmaps as a function for an isosurface object in the
superpatch might be what you're looking for. Have a look in p.b.images for the
threads: a new hf technique, spherical isosurface heightfield, displacement
mapping is very fun (1&2) and funny isosurface head... etc, all posted the last
few weeks.
ingo
--
Met dank aan de muze met het glazen oog.
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ingo wrote:
>
> Ray Gardener heeft geschreven in bericht <379e7f8d@news.povray.org>...
> >Has anyone done a realistic terrain
> >bumpmapping patch for POV-Ray? .......
>
> Ray,
> using the option to use bitmaps as a function for an isosurface object in the
> superpatch might be what you're looking for. Have a look in p.b.images for the
> threads: a new hf technique, spherical isosurface heightfield, displacement
> mapping is very fun (1&2) and funny isosurface head... etc, all posted the last
> few weeks.
>
> ingo
> --
> Met dank aan de muze met het glazen oog.
I second this suggestion. There are some really great things afoot and having
an HF editor that could contribute to the process would be of course a definite
plus. See the explaination for the "Funny isosurface head" to see what went
into it's construction and I think you will see where leveller could help in
the process. I sure can.
--
Ken Tyler
mailto://tylereng@pacbell.net
http://home.pacbell.net/tylereng/links.htm
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Thanks, guys. I'll look into the isosurface patch.
I see Ken's point about where Leveller can
fit in; using 8-bit displacement maps is
not ideal sometimes. My own images were
done with 16-bit maps, it turns out.
To answer N. Mika, I was going the patch
route since POV-Ray loads maps into memory,
and the maps are massive. I wanted to leave
more memory to other objects, like plants
for vegetation, etc. The patch essentially
leaves the maps on disk and loads small
pieces of them as needed.
Ray Gardener
Daylon Graphics Ltd.
http://www.daylongraphics.com/
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