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Beautiful! I especially enjoy the bluish tints on the upper surfaces of
the rocks and throughout the landscape.
Nicely written article too btw.
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Christoph Hormann wrote:
> Anyway the render time for a 5120x3840 render was still more than two
> weeks - not to mention what it would have taken with radiosity...
What is more impressive to me is the patience needed to tweak the
isosurface landscapes. I tried them recently, and it seems incredibly
diffcult and laborious to get such results!
--
Jaime Vives Piqueres
La Persistencia de la Ignorancia
http://www.ignorancia.org
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Beautiful!
Is the whole landscape one isosurface? Also what seems like a normal_map?
Have you somewhere a description how you figure out the isosurface
function? Why does it take so long to render? Huge max_gradient for
isosurface?
- Micha
--
http://objects.povworld.org - the POV-Ray Objects Collection
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Jim Kress wrote:
>
> Great image!
Thanks.
Christoph
--
POV-Ray tutorials, IsoWood include,
TransSkin and more: http://www.tu-bs.de/~y0013390/
Last updated 13 Aug. 2002 _____./\/^>_*_<^\/\.______
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Jim Charter wrote:
>
> Beautiful! I especially enjoy the bluish tints on the upper surfaces of
> the rocks and throughout the landscape.
Thanks, this is the easy part of the lighting after all.
Christoph
--
POV-Ray tutorials, IsoWood include,
TransSkin and more: http://www.tu-bs.de/~y0013390/
Last updated 13 Aug. 2002 _____./\/^>_*_<^\/\.______
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Jaime Vives Piqueres wrote:
>
> What is more impressive to me is the patience needed to tweak the
> isosurface landscapes. I tried them recently, and it seems incredibly
> diffcult and laborious to get such results!
Of course it needs some experience to actually achieve what you are
planning, but it's not that difficult although you have to get used to
thinking in functions.
Christoph
--
POV-Ray tutorials, IsoWood include,
TransSkin and more: http://www.tu-bs.de/~y0013390/
Last updated 13 Aug. 2002 _____./\/^>_*_<^\/\.______
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Micha Riser wrote:
>
> Beautiful!
Thanks.
> Is the whole landscape one isosurface?
Yes.
> Also what seems like a normal_map?
What's looking like a normal_map? A normal would not cast shadows, you
would get ugly straight shadow lines everywhere...
> Have you somewhere a description how you figure out the isosurface
> function?
The basic geometry is made with blobbing techniques (docs, section
3.6.3.5), the structure is nothing more than designing pigment functions -
patterns, wave forms, turbulence warps, ...
> Why does it take so long to render? Huge max_gradient for
> isosurface?
Not extremely huge (32) but the accuracy needed for the large render makes
it quite slow (0.00005). The small render with appropriate settings is
only a few hours.
Christoph
--
POV-Ray tutorials, IsoWood include,
TransSkin and more: http://www.tu-bs.de/~y0013390/
Last updated 13 Aug. 2002 _____./\/^>_*_<^\/\.______
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I think you have a gift in this area. Try as I might to make realistic
landscapes like this, I haven't even come close, in spite of the great number of
tutorials I read and techniques I try. Patience may have something to do with
it. ;) Great work.
--
light_source{0,1}#macro c(J,a)sphere{0,1pigment{rgb z}scale a translate J+O}
#end#macro B(R,V,O)c(0,4)intersection{c(V,R)difference{c(-z*4x+10)c(-z*4.1x+
10)c(0<7.5,45,5>)}}#end B(12,0z*25)B(8y*4<0,12,50>) // Batronyx ^"^
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8O (Very nice!)
--
Pandora/Scott Hill/[::O:M:C::]Scorpion
Software Engineer.
http://www.pandora-software.com
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Christoph Hormann wrote:
>
> I hope you can recognize 'the eye'.
>
> This is an improved version of the picture that has been printed in c't, a
> german computer magazine, issue 17/2002, see
>
> http://wa.lzer.net/pov/pov.html
>
> for a scan and translation.
when I found you here, I understood why the article listed and explained so
correctly the new features.
Thomas
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