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From: Jörg 'Yadgar' Bleimann
Subject: Epimetheus, 6th rock from Saturn
Date: 5 Dec 2009 16:25:53
Message: <4b1acfe1@news.povray.org>
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High!
Another Saturnian moon... and, strangely, unlike with spheres, with
meshes I don't have any gaps or omissions in the rendering, even when
leaving the scaling factor at 13347! This leads me to the question
whether there are any convenient "asteroid modeling tools" which export
mesh2 objects for POV-Ray, so to replace the spheres.
Currently, I use John Beale's HF-Lab, but this works only because I have
access to pre-made simple cylindrical topographic maps of some asteroids
and small moons according to NASA elevation data. When creating a purely
fictitious map, I'll have the problem of getting the its distortion
towards the poles right, as HF-Lab generates only non-distorted maps...
See you in Khyberspace!
Yadgar
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Attachments:
Download '2009-12-05 epimetheus, take 9.jpg' (18 KB)
Preview of image '2009-12-05 epimetheus, take 9.jpg'
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=?ISO-8859-1?Q?J=F6rg_=27Yadgar=27_Bleimann?= <yaz### [at] gmx de> wrote:
> High!
>
> Another Saturnian moon... and, strangely, unlike with spheres, with
> meshes I don't have any gaps or omissions in the rendering, even when
> leaving the scaling factor at 13347! This leads me to the question
> whether there are any convenient "asteroid modeling tools" which export
> mesh2 objects for POV-Ray, so to replace the spheres.
>
> Currently, I use John Beale's HF-Lab, but this works only because I have
> access to pre-made simple cylindrical topographic maps of some asteroids
> and small moons according to NASA elevation data. When creating a purely
> fictitious map, I'll have the problem of getting the its distortion
> towards the poles right, as HF-Lab generates only non-distorted maps...
>
> See you in Khyberspace!
>
> Yadgar
For creating a purely fictitious mesh, I would probably use Wings3D. You can
start with a cube, smooth it once, then deform the vertexes randomly (via menu
command), then smooth again. Vertex magnet operations would also let you decide
a general shape.
-Reactor
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Maybe you find some interesting data at "Celestia":
http://www.celestiamotherlode.net/catalog/saturn.php
If I remember correctly, you can find some models, maps and links regarding
celestial bodies there. I am not sure if it will be useful, but since it is
open source and 3D, you might be lucky.
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From: Jörg 'Yadgar' Bleimann
Subject: Re: Epimetheus, 6th rock from Saturn
Date: 6 Dec 2009 07:08:57
Message: <4b1b9ed9@news.povray.org>
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High!
Reactor wrote:
> For creating a purely fictitious mesh, I would probably use Wings3D. You can
> start with a cube, smooth it once, then deform the vertexes randomly (via menu
> command), then smooth again. Vertex magnet operations would also let you decide
> a general shape.
Has Wings3D also a cratering tool?
See you in Khyberspace!
Yadgar
Post a reply to this message
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=?ISO-8859-1?Q?J=F6rg_=27Yadgar=27_Bleimann?= <yaz### [at] gmxde> wrote:
> High!
>
> Has Wings3D also a cratering tool?
>
>
It does not have a crater tool, or very many specialized tools at all. However,
the speed at which a model can be built makes it a good (possible) option.
-Reactor
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