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Just received the latest (October 2001) issue of Computer Graphics World
and on the last page (p.66 - Insight section) they show renderings of the
surface of Mars done by the Centre for Astrophysics and Supercomputing
at the University of Swinburne in Australia; "...researchers used custom
tools and the public-domain raytracer PovRay."
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Sweet! How do the renders look? I wish I could get the magazines on time...
The latest one I've gotten is for August. They take forever to bring them
here. :(
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*PUBLIC DOMAIN*?! Why...they did not read povlegal?!
--
Jonathan.
"Tim Riley" <tri### [at] its bldrdocgov> ha scritto nel messaggio
news:3BC5EB04.486C9E13@its.bldrdoc.gov...
> Just received the latest (October 2001) issue of Computer Graphics World
> and on the last page (p.66 - Insight section) they show renderings of the
> surface of Mars done by the Centre for Astrophysics and Supercomputing
> at the University of Swinburne in Australia; "...researchers used custom
> tools and the public-domain raytracer PovRay."
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in news:3bc5ef75@news.povray.org Tony[B] wrote:
> Sweet! How do the renders look?
http://astronomy.swin.edu.au/pbourke/rendering/mars32/
Ingo
--
Photography: http://members.home.nl/ingoogni/
Pov-Ray : http://members.home.nl/seed7/
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They look great. But I think they should have credited the POV Team instead
of defining POV-Ray a *Publi-Domain* raytracer...
--
Jonathan.
"ingo" <ing### [at] homenl> ha scritto nel messaggio
news:Xns### [at] povrayorg...
> in news:3bc5ef75@news.povray.org Tony[B] wrote:
>
> > Sweet! How do the renders look?
>
> http://astronomy.swin.edu.au/pbourke/rendering/mars32/
>
> Ingo
>
> --
> Photography: http://members.home.nl/ingoogni/
> Pov-Ray : http://members.home.nl/seed7/
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Ah, commercial renders vs. POV-Ray... Oh my! *drool*
"The amount of raw polygonal information (130 million triangular
polygons) precluded the use of commercial rendering packages and while
there are some specialist methods for rendering such datasets they
don't provide the desired rendering quality (eg: shadows). The
rendering was performed using a combination of locally developed
tools, a modified version of a public domain raytracer (PovRay) and
locally developed distributed rendering utilities."
That "precluded the use of commercial rendering packages" really pleases
my eye... :P
--
#macro N(D,I)#if(I<6)cylinder{M()#local D[I]=div(D[I],104);M().5,2pigment{
rgb M()}}N(D,(D[I]>99?I:I+1))#end#end#macro M()<mod(D[I],13)-6,mod(div(D[I
],13),8)-3,10>#end blob{N(array[6]{11117333955,
7382340,3358,3900569407,970,4254934330},0)}// - Warp -
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Ah, the sweet satisfaction of knowing you use THE deity of all renderers.
"ingo" <ing### [at] homenl> wrote in message
news:Xns### [at] povrayorg...
> in news:3bc5ef75@news.povray.org Tony[B] wrote:
>
> > Sweet! How do the renders look?
>
> http://astronomy.swin.edu.au/pbourke/rendering/mars32/
>
> Ingo
>
> --
> Photography: http://members.home.nl/ingoogni/
> Pov-Ray : http://members.home.nl/seed7/
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Why do the mountains on the rendered planet look like giant zits? They look
all out of scale relative to the size of the planet.
Jim
"ingo" <ing### [at] homenl> wrote in message
news:Xns### [at] povrayorg...
> in news:3bc5ef75@news.povray.org Tony[B] wrote:
>
> > Sweet! How do the renders look?
>
> http://astronomy.swin.edu.au/pbourke/rendering/mars32/
>
> Ingo
>
> --
> Photography: http://members.home.nl/ingoogni/
> Pov-Ray : http://members.home.nl/seed7/
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Jim Kress wrote:
> Why do the mountains on the rendered planet look like giant zits?
> They look all out of scale relative to the size of the planet.
That's 'cuz they used 25x vertical exaggeration for the long shots
and 5x for the closeups. Earth would look funky if you did that,
too.
BTW, I myself thought of making a 3D model of Mars when I first
saw the MOLA images a few months ago, but encountered a problem
when I realised that POV doesn't do spherical heightfields.
Doh!
Though I could try bump map, see how that works...
--
Tim Cook
http://empyrean.scifi-fantasy.com
-----BEGIN GEEK CODE BLOCK-----
Version: 3.12
GFA dpu- s: a?-- C++(++++) U P? L E--- W++(+++)>$
N++ o? K- w(+) O? M-(--) V? PS+(+++) PE(--) Y(--)
PGP-(--) t* 5++>+++++ X+ R* tv+ b++(+++) DI
D++(---) G(++) e*>++ h+ !r--- !y--
------END GEEK CODE BLOCK------
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"JRG" <jrg### [at] hotmailcom> wrote in message news:3bc601a2$1@news.povray.org...
> *PUBLIC DOMAIN*?! Why...they did not read povlegal?!
Close enough for government work....
It's a sound bite - an accurate description of povlegal would just confuse
people, and for most users the difference is non-existant.
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