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no clue on my side ... how would I create a spiral in POV ... just doesn't
map into any CSG object ...
Wolfgang
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On Tue, 19 Sep 2000 11:23:37 -0700, Wolfgang Manousek wrote:
>no clue on my side ... how would I create a spiral in POV ... just doesn't
>map into any CSG object ...
In p.b.s-f see David Fontain's message "Big scene file: spiralforest",
just do a search on subject for spiral in that group. I'm sure there
are easier ways of doing this with an isosurface.
--
Cheers
Steve email mailto:ste### [at] zeropps uklinuxnet
%HAV-A-NICEDAY Error not enough coffee 0 pps.
web http://www.zeropps.uklinux.net/
or http://start.at/zero-pps
9:06pm up 29 days, 1:19, 2 users, load average: 1.25, 1.11, 1.03
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In article <39c7af2d@news.povray.org>, "Wolfgang Manousek"
<wol### [at] no_spamcom> wrote:
> no clue on my side ... how would I create a spiral in POV ... just doesn't
> map into any CSG object ...
1: Use a bunch of cylinders, spheres, torus segments, or combinations of
these to approximate the shape of the spiral. Use a loop to place them
automatically
2: Similar to the above, generate a bunch of triangles to approximate
the object.
3: Use an include file or macro to do one of the above. There are
several around.
4: Make the spiral out of a sphere_sweep object in MegaPOV.
5: Make an isosurface or parametric shape to do what you want.
I probably left a couple possibilities out...a more specific answer will
require a more specific description of what you are trying to do.
--
Christopher James Huff
Personal: chr### [at] maccom, http://homepage.mac.com/chrishuff/
TAG: chr### [at] tagpovrayorg, http://tag.povray.org/
<><
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thanks for the answers ...
darn' ;-) I was hoping there is a simple way I missed ... I will try some of
the macros (and wait for POV3.5) for the 'sweep' option)
Wolfgang
"Wolfgang Manousek" <wol### [at] no_spamcom> wrote in message
news:39c7af2d@news.povray.org...
> no clue on my side ... how would I create a spiral in POV ... just doesn't
> map into any CSG object ...
>
> Wolfgang
>
>
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Wolfgang Manousek wrote:
>
> no clue on my side ... how would I create a spiral in POV ... just doesn't
> map into any CSG object ...
http://www.povray.org/links/3D_Programs/Shells_Spirals_and_Helixes/
--
Ken Tyler - 1400+ POV-Ray, Graphics, 3D Rendering, and Raytracing Links:
http://home.pacbell.net/tylereng/index.html http://www.povray.org/links/
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Try using two hight fields. Draw a spiral, save it, flip it around and save
an other copy. In POV, set one upside-down below the other, and use water
level to take out the flat part. I havn't tested it, but it soundes okay.
> From: Ken <tyl### [at] pacbellnet>
> Organization: Tyler Engineering Services
> Reply-To: lin### [at] povrayorg
> Newsgroups: povray.newusers
> Date: Tue, 19 Sep 2000 18:24:57 -0700
> Subject: Re: Spiral
>
>
>
> Wolfgang Manousek wrote:
>>
>> no clue on my side ... how would I create a spiral in POV ... just doesn't
>> map into any CSG object ...
>
> http://www.povray.org/links/3D_Programs/Shells_Spirals_and_Helixes/
>
> --
> Ken Tyler - 1400+ POV-Ray, Graphics, 3D Rendering, and Raytracing Links:
> http://home.pacbell.net/tylereng/index.html http://www.povray.org/links/
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Wasn't it Wolfgang Manousek who wrote:
>no clue on my side ... how would I create a spiral in POV ... just doesn't
>map into any CSG object ...
You can build one out of lots of smaller objects (such as smooth
triangles, spheres, cylinders, blobs or parts of tori) or use MegaPOV's
"spiral" isosurface (see http://www.econym.demon.co.uk/isotut/builtin1.h
tm).
--
Mike Williams
Gentleman of Leisure
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