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Each band can be given turbulence by having a layered texture that are partly
transparent except for
some bands. There will be one texture for each color of band. Each texture will have
different
amounts of turbulence.
Here is a image of Jupiter and Io using image_maps.
Now I'm off to POV-Ray to try out the layered texture idea.
Brendan
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Attachments:
Download 'jupiter.jpg' (9 KB)
Preview of image 'jupiter.jpg'
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In article <396CE66F.D1AD3870@yahoo.com>, ryan constantine
<rco### [at] yahoo com> wrote:
> i was thinking it would be cool if there were a "spin" and a "wind"
> pattern or warp in povray. what you would do is use it in a layered
> texture. all other layers would define the patterns and colors, and
> then the wind and spin would streak it in a certain direction. wind
> would be linear and spin would be axial. any programmers out there
> reading this?
I have done a "push" warp, which displaces a texture in a specified
direction by an amount depending on how close it is to the center of the
warp. I am also planning a spin warp, which would be similar to what you
described, but would have a spherical range of effect.
--
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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ryan constantine wrote:
>
> say hello to mister gamma. on my monitor, the shadows ARE very dark.
> no color at all.:( maybe i should do that gamma test someone mentioned.
Ah, of course. The gamma.
(I'm on a Mac.)
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win98 here. that explains it. assumed gamma of 2.2.
Xplo Eristotle wrote:
>
> ryan constantine wrote:
> >
> > say hello to mister gamma. on my monitor, the shadows ARE very dark.
> > no color at all.:( maybe i should do that gamma test someone mentioned.
>
> Ah, of course. The gamma.
>
> (I'm on a Mac.)
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"Chris Huff" <chr### [at] maccom> wrote in message
news:chrishuff-18F203.21555912072000@news.povray.org...
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| I am also planning a spin warp, which would be similar to what you
| described, but would have a spherical range of effect.
Which leads me to ask about nonuniform scaling of warps. I tried in vain to get the
Great Red Spot
to flatten out. Only succeeded in moving it around.
This wind idea is a good one for sure, sounds like a matrix kind of thing.
Bob
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