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Hi,
I can render objects okay, but how do I set a background image, like a
starfield TGA for instance?
help appreciated
thanks
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"DCZX" <dow### [at] yahoo com> wrote in message
news:web.3e4a979f573a31fc6803d4d70@news.povray.org...
>
> I can render objects okay, but how do I set a background image, like a
> starfield TGA for instance?
One way, and the least trouble if you have a image already made for mapping
to a sphere, is:
sky_sphere {
pigment {
image_map {
tga "stars.tga"
map_type 1 // for spherical
}
}
}
Other than that you could use a plane set far in the background, having that
pigment statement but using map_type 0 for planar mapping and scaling
appropriately.
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In article <3e4ab6e1@news.povray.org>,
"hughes, b." <omn### [at] charternet> wrote:
> Other than that you could use a plane set far in the background, having that
> pigment statement but using map_type 0 for planar mapping and scaling
> appropriately.
Something you forgot to mention: set the diffuse to 0 and ambient to 1.
That way the "backdrop" will be self-illuminated, and won't have shadows
cast on it.
If a sky_sphere background is not what is needed, the standard include
file screen.inc may help.
--
Christopher James Huff <cja### [at] earthlinknet>
http://home.earthlink.net/~cjameshuff/
POV-Ray TAG: chr### [at] tagpovrayorg
http://tag.povray.org/
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thanks!
Christopher James Huff wrote:
>In article <3e4ab6e1[at]news.povray.org>,
> "hughes, b." <omn### [at] charternet> wrote:
>
>> Other than that you could use a plane set far in the background, having that
>> pigment statement but using map_type 0 for planar mapping and scaling
>> appropriately.
>
>Something you forgot to mention: set the diffuse to 0 and ambient to 1.
>That way the "backdrop" will be self-illuminated, and won't have shadows
>cast on it.
>If a sky_sphere background is not what is needed, the standard include
>file screen.inc may help.
>
>Christopher James Huff <cja### [at] earthlinknet>
>http://home.earthlink.net/~cjameshuff/
>POV-Ray TAG: chr### [at] tagpovrayorg
>http://tag.povray.org/
>
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