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If you would resize the earth to the size of a snooker ball, its surface
would be flatter than the smoothest snooker ball you could ever find.
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"stefkeB" <ste### [at] hotmail com> wrote in message
news:3bc6bea8$1@news.povray.org...
> If you would resize the earth to the size of a snooker ball, its surface
> would be flatter than the smoothest snooker ball you could ever find.
Sure, but try and tell my legs that if riding a bike or walking on hills and
mountains.
Include clouds and it wouldn't be as smooth. Oh, and considering this
started about Mars, it has much more elevation change, especially for its
size. Of course you knew that.
Bob H.
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Right.
Anyway, interesting site and nice to know POV-Ray was used...
"Bob H." <omn### [at] msncom> wrote in message
news:3bc6c950$1@news.povray.org...
> "stefkeB" <ste### [at] hotmailcom> wrote in message
> news:3bc6bea8$1@news.povray.org...
> > If you would resize the earth to the size of a snooker ball, its surface
> > would be flatter than the smoothest snooker ball you could ever find.
>
> Sure, but try and tell my legs that if riding a bike or walking on hills
and
> mountains.
> Include clouds and it wouldn't be as smooth. Oh, and considering this
> started about Mars, it has much more elevation change, especially for its
> size. Of course you knew that.
>
> Bob H.
>
>
>
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So, since POV-Ray *doesn't* support spherical height fields (any why not?),
how *did* they do these images? isosurfaces?
- Slime
[ http://www.slimeland.com/ ]
[ http://www.slimeland.com/images/ ]
"stefkeB" <ste### [at] hotmailcom> wrote in message
news:3bc6d0ae@news.povray.org...
> Right.
>
> Anyway, interesting site and nice to know POV-Ray was used...
>
> "Bob H." <omn### [at] msncom> wrote in message
> news:3bc6c950$1@news.povray.org...
> > "stefkeB" <ste### [at] hotmailcom> wrote in message
> > news:3bc6bea8$1@news.povray.org...
> > > If you would resize the earth to the size of a snooker ball, its
surface
> > > would be flatter than the smoothest snooker ball you could ever find.
> >
> > Sure, but try and tell my legs that if riding a bike or walking on hills
> and
> > mountains.
> > Include clouds and it wouldn't be as smooth. Oh, and considering this
> > started about Mars, it has much more elevation change, especially for
its
> > size. Of course you knew that.
> >
> > Bob H.
> >
> >
> >
>
>
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Slime <noo### [at] hotmailcom> wrote:
: So, since POV-Ray *doesn't* support spherical height fields (any why not?),
: how *did* they do these images? isosurfaces?
What's wrong in using a mesh? It doesn't take too much memory and is
awesomely fast to render.
--
#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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> 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.
still, it's not public domain. Why didn't they just call it freeware?
cu!
--
ZK AKA SaD
http://www.povplace.be.tf
"Don't torture yourself Gomez, that's my job."
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Write 'em a letter or something and ask them to correct it.
- Slime
[ http://www.slimeland.com/ ]
[ http://www.slimeland.com/images/ ]
"Zeger Knaepen" <zeg### [at] studentkuleuvenacbe> wrote in message
news:3bc723b3@news.povray.org...
> > 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.
> still, it's not public domain. Why didn't they just call it freeware?
>
> cu!
> --
> ZK AKA SaD
> http://www.povplace.be.tf
> "Don't torture yourself Gomez, that's my job."
>
>
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i'd like to see the images and know what modifications they made to pov.
Warp wrote:
>
> 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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ingo wrote:
>
> in news:3bc5ef75@news.povray.org Tony[B] wrote:
>
> > Sweet! How do the renders look?
>
> http://astronomy.swin.edu.au/pbourke/rendering/mars32/
>
for details on how he used PovRay to render the planet Mars can be found
at:-
http://astronomy.swin.edu.au/pbourke/povray/marsplanet/
--
,-._|\ Alex McMurray
/ Oz \ ale### [at] melbpcorgau Melbourne PC User Group.
\_,--.x/ Melton. Vic. 3337 Australia
v
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Alex McMurray <ale### [at] melbpcorgau> wrote:
: for details on how he used PovRay to render the planet Mars can be found
: at:-
: http://astronomy.swin.edu.au/pbourke/povray/marsplanet/
They could have probably reduced parse time and memory usage by a huge
amount, and probably also render time a bit, by using a spherical texture
map on the whole mesh instead of applying separate textures to each
individual triangle... The resulting color transitions would also have
been smoother (although at that mesh resolution it doesn't really matter,
but if they ever plan to render a huge version of the images...).
--
#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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