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Is it possible to wrap a height field around an object?
- jon -
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Nope, not at the moment. Maybe there is a patch for it.
--
Lance.
---
For the latest MAX plug-ins, images and much more, go to:
The Zone - http://come.to/the.zone
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Would a bump map do?
Jon Berndt wrote in message <363627a9.0@news.povray.org>...
>Is it possible to wrap a height field around an object?
>
>- jon -
>
>
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The Orb-Cyl program can make cylindrically and spherically wrapped
heightfields (triangle meshes), but that's all I know of.
http://www.best.com/~beale/gforge/
Message <363627a9.0@news.povray.org>, Jon Berndt typed...
>
>Is it possible to wrap a height field around an object?
>
>- jon -
>
>
--
omniVERSE: beyond the universe
http://members.aol.com/inversez/POVring.html
=Bob
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No. I want actual heightfields. I could use these to create, just for
example, corinthian columns, a planet or asteroid based on topographic radar
maps,
This doesn't sound trivial to me. I would want to wrap around any basic
object, especially a sphere or cylinder.
Jon
Matthew Bennett wrote in message <3636538d.0@news.povray.org>...
>
>Would a bump map do?
>
>>Is it possible to wrap a height field around an object?
>>
>>- jon -
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To wrap a height field around cylinders and spheres, you can use John Beale's
orbcyl utility.
http://www.best.com/~beale/
Gilles Tran
The Book of Beginnings - Povray Gallery
http://www.mediaport.net/Artichaud/Tran/gtran.en.html
Jon S. Berndt wrote:
> This doesn't sound trivial to me. I would want to wrap around any basic
> object, especially a sphere or cylinder.
>
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Jon Berndt <jsb### [at] hal-pc org> wrote:
: Is it possible to wrap a height field around an object?
I think this would be a nice feature for the next version of povray. It
shouldn't be hard to implement (heightfields are converted to a triangle mesh
anyways; just change the way in which it places the triangles (not on a
plane surface with a height but on a spherical surface with a radius) and
there is it).
--
- Warp. -
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On 29 Oct 1998 11:05:34 -0500, Nieminen Mika <war### [at] assaricctutfi> wrote:
>Jon Berndt <jsb### [at] hal-pcorg> wrote:
>: Is it possible to wrap a height field around an object?
>
> I think this would be a nice feature for the next version of povray. It
>shouldn't be hard to implement (heightfields are converted to a triangle mesh
>anyways; just change the way in which it places the triangles (not on a
>plane surface with a height but on a spherical surface with a radius) and
>there is it).
Actually, heightfields are a very specialized triangle mesh, with the
intersection-finding routines optimized to a gridded, rectangular,
nonoverlapping mesh. While you could create a mesh, you'd end up with
the same thing you can get from orbcyl today. On the other hand, it
would be possible to create an optimized search routine for spherical
or cylindrical heightfields as well, so maybe someone will do so
someday.
Followups to povray.programming.
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Jon Berndt wrote:
> Is it possible to wrap a height field around an object?
>
> - jon -
There is a gentelman whose first name is Steve last starting with L.
that created a Pov utility to do cylindrical and spherical height
fields.
It was discussed in detail about 3 - 4 months ago on this subject group
and the binaries.images group. I don't believe he ever released a user
interface to his program or the source. A past newgroup articles search
might yeild more info and possible contact information.
Ken Tyler
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