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In article <397CCD13.CC1D3546@spiritone.com>, Josh English
<eng### [at] spiritone com> wrote:
> Duh. I should have thought about that. Except for the small fact that I
> don't think I've run into density maps before... attached is a simple ugly
> planet and some rings that aren't much better.
They might also be useful as isosurface functions...there would be some
interesting possibilities.
--
Christopher James Huff - Personal e-mail: chr### [at] maccom
TAG(Technical Assistance Group) e-mail: chr### [at] tagpovrayorg
Personal Web page: http://homepage.mac.com/chrishuff/
TAG Web page: http://tag.povray.org/
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Josh English wrote:
>
> Duh. I should have thought about that. Except for the small fact that I
> don't think I've run into density maps before... attached is a simple ugly
> planet and some rings that aren't much better.
> Josh
It generally helps to use smaller color values in a density map
than in a color map. If you use too high a number the colors wash
out such as seen in your posted image. Try dividing them by 3
and see how they look.
--
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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In article <397CECD8.CA12AC63@pacbell.net>, lin### [at] povrayorg
wrote:
> It generally helps to use smaller color values in a density map
> than in a color map. If you use too high a number the colors wash
> out such as seen in your posted image. Try dividing them by 3
> and see how they look.
Of course, this depends on the thickness of the media, the way the
colors layer on each other, and the color used for the media, which acts
as a multiplier for the density, etc. If the media is low density or if
the distance you see through it is small, you need to use higher color
values.
It can also help if the colors vary more than they do in the pigment,
since the media will tend to blend them together in areas.
--
Christopher James Huff - Personal e-mail: chr### [at] maccom
TAG(Technical Assistance Group) e-mail: chr### [at] tagpovrayorg
Personal Web page: http://homepage.mac.com/chrishuff/
TAG Web page: http://tag.povray.org/
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Looks like you could do some good water using this
method.
--
Cheers
Steve email mailto:ste### [at] zeroppsuklinuxnet
%HAV-A-NICEDAY Error not enough coffee 0 pps.
web http://www.zeropps.uklinux.net/
or http://start.at/zero-pps
12:58am up 9 days, 23:24, 2 users, load average: 1.21, 1.06, 1.02
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