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"stbenge" <stb### [at] hotmail com> schreef in bericht
news:4855a841@news.povray.org...
> Thomas de Groot wrote:
>>
>
>> This needs a General Products Hull #3 in the foreground :-)
>
> I don't know what that is, but I had originally planned to add some soft
> of space craft in the foreground.
>
Sorry, Sam. That's a spacecraft type commonly referred to in the Known Space
cycle of stories by Larry Niven. http://www.larryniven.org/
GP Hulls are generally transparant too.
Thomas
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Impressive!
Care to elaborate on how you did the 3rd step? media? procedurals? code? :)
Regards Roman
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Extremely well-done. It has such an organic, 'art-sy' feel to it that it would,
IMO, fool most people into thinking it was a photo, or airbrushed
artwork--anything but CGI.
Ken W.
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Roman Reiner wrote:
> Impressive!
Thanks!
> Care to elaborate on how you did the 3rd step? media? procedurals? code? :)
> Regards Roman
The "film grain" is just a semi-transparent plane with a crackle solid
pigment applied to it. In hindsight, I think I should have used another
pigment so the colors could be more evenly distributed.
#declare noise = 0.175;
plane{z,-1
pigment{
crackle solid
scale .001
color_map{
[0 rgb 0 transmit 1-noise]
[1/6 rgb y transmit 1-noise]
[2/6 rgb 0 transmit 1-noise]
[3/6 rgb x transmit 1-noise]
[4/6 rgb 0 transmit 1-noise]
[5/6 rgb z transmit 1-noise]
}
}
}
It is placed over another plane containing an image of the previous
render. The last render used interpolate 2 in the image_map to smooth
the grains.
Sam
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Kenneth wrote:
> Extremely well-done. It has such an organic, 'art-sy' feel to it that it would,
> IMO, fool most people into thinking it was a photo, or airbrushed
> artwork--anything but CGI.
Thank you. Many of the Hubble photographs look like oil paintings to me.
Sam
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go Sam go, did this one while thinking of you.
cheated actually with the Hubble Space Telescope
2008 June 17: Eta Carinae and the Homunculus Nebula
http://antwrp.gsfc.nasa.gov/apod/ap080617.html
Post a reply to this message
Attachments:
Download 'etacar2_hst.jpg' (165 KB)
Preview of image 'etacar2_hst.jpg'
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stbenge wrote:
> Hello everyone,
>
> This image was rendered in four passes. I first rendered a star field. I
> then rendered the nebula itself, plus a few larger stars thrown in for
> good measure. This was rendered over the first star field. The third
> render gave the image an appearance of having film grain. The last
> render added the glare effect. It was all made in POV-Ray, except for
> the black border on either side which was added in IrfanView between
> steps 3 & 4.
>
> I'll probably add some sort of space scene to it later, who knows.
>
> I hope you enjoy it!
Really great! If you hadn't told me, I would have thought it was real.
--
-The Mildly Infamous Blue Herring
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alphaQuad wrote:
> go Sam go, did this one while thinking of you.
>
>
> cheated actually with the Hubble Space Telescope
>
> 2008 June 17: Eta Carinae and the Homunculus Nebula
> http://antwrp.gsfc.nasa.gov/apod/ap080617.html
This should be the Cauliflower Nebula...
--
-The Mildly Infamous Blue Herring
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Oops, my bad! Actually i wanted to know how you created the nebula itself. That
would be step 2 then?
I'm asking because i have some experience with making nebulas in Photoshop and i
have no problems doing starfields, grain and bloom, but the nebulas itself
although handpainted never looked as good as in your image. Assuming that you
made the nebula with produrals too this is quite impressive.
I hope you can give me some info on this, and sorry again for asking for the
wrong thing ;)
Regards Roman
stbenge <stb### [at] hotmailcom> wrote:
> Roman Reiner wrote:
> > Impressive!
>
> Thanks!
>
> > Care to elaborate on how you did the 3rd step? media? procedurals? code? :)
> > Regards Roman
>
> The "film grain" is just a semi-transparent plane with a crackle solid
> pigment applied to it. In hindsight, I think I should have used another
> pigment so the colors could be more evenly distributed.
>
> #declare noise = 0.175;
>
> plane{z,-1
> pigment{
> crackle solid
> scale .001
> color_map{
> [0 rgb 0 transmit 1-noise]
> [1/6 rgb y transmit 1-noise]
> [2/6 rgb 0 transmit 1-noise]
> [3/6 rgb x transmit 1-noise]
> [4/6 rgb 0 transmit 1-noise]
> [5/6 rgb z transmit 1-noise]
> }
> }
> }
>
> It is placed over another plane containing an image of the previous
> render. The last render used interpolate 2 in the image_map to smooth
> the grains.
>
> Sam
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alphaQuad wrote:
> go Sam go, did this one while thinking of you.
>
> cheated actually with the Hubble Space Telescope
>
> 2008 June 17: Eta Carinae and the Homunculus Nebula
> http://antwrp.gsfc.nasa.gov/apod/ap080617.html
AQ,
Nebulae are one of the most visually striking celestial bodies out
there. Just imagine living on a planet close to one! Of course, you'd
probably be bombarded with intense radiation. Extrasolar organisms (if
they exist) living under those conditions probably have a high tolerance
to excessive radiation, though.
Considering the amount of light attenuation in a nebula, I'd have to say
that they are even less dense than our own atmosphere on Earth. From a
distance they look thick enough to possibly support life without a
planet. I sometimes wonder if there are creatures somewhere who can
thrive under such low density, radioactive gas. It would be interesting
to find out, but our methods for long-distance information gathering is
still quite... undeveloped :(
Sam
P.S. Did you manipulate that image in any way?
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