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I was playing with ridged multifractals today and here is one of the
results. Any questions or comments?
--
Samuel Benge
E-Mail: STB### [at] aol com
Visit the still unfinished isosurface tutorial:
http://members.aol.com/stbenge
Post a reply to this message
Attachments:
Download 'fremenhome.jpg' (69 KB)
Preview of image 'fremenhome.jpg'
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YES! Finally someone who achieved the mf-results that I wanted! Maybe you
could inform me about the parameters and how to adjust them? I couldn't
figure it out from the docs. I understand what the different params _mean_
but not how to set them, if you know what I mean...
There seems to be som kind of disconinuity in the middle; which of course is
a feature in the mf, but maybe in this example it would be cool to fill it
with water or some lava? Just suggesting, of course...
What was the render time on this?
Simen.
SamuelT. skrev i meldingen <38D72014.C7F1BB8A@aol.com>...
>I was playing with ridged multifractals today and here is one of the
>results. Any questions or comments?
>
>--
>Samuel Benge
>
>E-Mail: STB### [at] aolcom
>
>Visit the still unfinished isosurface tutorial:
>http://members.aol.com/stbenge
>
>
Post a reply to this message
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From: Rick [Kitty5]
Subject: Re: Arrakis, desert planet (68.1kb bu)
Date: 21 Mar 2000 07:15:42
Message: <38d767ee@news.povray.org>
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Surperbly realistic - nature really is one giant mess of math...
Rick
"SamuelT." <STB### [at] aolcom> wrote in message
news:38D72014.C7F1BB8A@aol.com...
> I was playing with ridged multifractals today and here is one of the
> results. Any questions or comments?
>
> --
> Samuel Benge
>
> E-Mail: STB### [at] aolcom
>
> Visit the still unfinished isosurface tutorial:
> http://members.aol.com/stbenge
>
>
----------------------------------------------------------------------------
----
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Very nice - I like it.
--
Mike
wk: mik### [at] pyxiscom www.pyxis.com
hm: mwe### [at] sciticom www.geocities.com/mikepweber
"SamuelT." <STB### [at] aolcom> wrote in message
news:38D72014.C7F1BB8A@aol.com...
> I was playing with ridged multifractals today and here is one of the
> results. Any questions or comments?
>
> --
> Samuel Benge
>
> E-Mail: STB### [at] aolcom
>
> Visit the still unfinished isosurface tutorial:
> http://members.aol.com/stbenge
>
>
----------------------------------------------------------------------------
----
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Did you come up with the name yourself or did you get it from arrakis.es? I
wish I knew how to do what you did with mf. All I get is stuff that looks
like sea water. :P
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The name I believe comes from the book or more widely known the movie with
sting playing one of the bad guys... ( Quote:<english accent> I will kill
you!!!)
"Dune": A desert planet where a sort of spiritual spice is mined in the sands
filled w/ deadly, huge, sand worms...
TonyB wrote:
> Did you come up with the name yourself or did you get it from arrakis.es? I
> wish I knew how to do what you did with mf. All I get is stuff that looks
> like sea water. :P
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Arrakis had virtually none, or very few rock structures... Looks good for
mars though it is not as an appealing name...
btw... Where are the sand worms... And the lightning in the ground that
proceeds them...?
"SamuelT." wrote:
> I was playing with ridged multifractals today and here is one of the
> results. Any questions or comments?
>
> --
> Samuel Benge
>
> E-Mail: STB### [at] aolcom
>
> Visit the still unfinished isosurface tutorial:
> http://members.aol.com/stbenge
>
> ------------------------------------------------------------------------
> [Image]
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"SamuelT." <STB### [at] aolcom> wrote in message
news:38D72014.C7F1BB8A@aol.com...
> I was playing with ridged multifractals today and here is one of the
> results. Any questions or comments?
>
Great image, but I must have missed something. What are these ridged
multifractals and how can I get one to play with? Will my Wife get mad at me
if I play with it too much?
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>The name I believe comes from the book or more widely known the movie with
>sting playing one of the bad guys... ( Quote:<english accent> I will kill
>you!!!)
Never heard of it. BTW, who or what is "sting"?
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TonyB wrote:
> Never heard of it. BTW, who or what is "sting"?
Sting - Rock and Roll artist and sometimes actor.
--
Ken Tyler - 1300+ Povray, Graphics, 3D Rendering, and Raytracing Links:
http://home.pacbell.net/tylereng/index.html http://www.povray.org/links/
Post a reply to this message
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On Tue, 21 Mar 2000 19:11:21 -0500, "TonyB"
<ben### [at] panamac-comnet> wrote:
>>The name I believe comes from the book or more widely known the movie with
>>sting playing one of the bad guys... ( Quote:<english accent> I will kill
>>you!!!)
>
>Never heard of it. BTW, who or what is "sting"?
The only man I've seen using a double bass (contrabass) as a bass
guitar. Finger picking at that...
Peter Popov
pet### [at] usanet
ICQ: 15002700
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Moon47 wrote:
> Arrakis had virtually none, or very few rock structures...
Don't you remember when the great stone cliff near that one base that had the
force field? The one that got blow up?
> Where are the sand worms... And the lightning in the ground that
> proceeds them...?
They don't have a reason to come out..... Anyways, they can't manuever very well
around all those rocks. :)
--
Samuel Benge
E-Mail: STB### [at] aolcom
Visit the still unfinished isosurface tutorial: http://members.aol.com/stbenge
Post a reply to this message
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Simen Kvaal wrote:
> YES! Finally someone who achieved the mf-results that I wanted!
Where? (looks both ways :)
> Maybe you
> could inform me about the parameters and how to adjust them? I couldn't
> figure it out from the docs. I understand what the different params _mean_
> but not how to set them, if you know what I mean...
Yeah, they didn't tell us where to start, only that 'H' did this, and such; they
didn't give us starting numbers to use.
Here's my scene code:
#version unofficial MegaPov .4;
camera{location<0,3,-8>*4 look_at y*-4 rotate y*0 angle 40}
light_source{<200000,100000,-0000>,<1.2 1.2 1.15>}
light_source{<-100000,-10000,-20000>,<.15 .1 .05> shadowless}
//sky_sphere{pigment{granite color_map{[0 rgb<.4 .7 1>][1 rgb 1]}}}
background{<.65 .8 1>*.8}
fog{rgb<.95 .9 .8> distance 200 fog_type 2 fog_alt 20 fog_offset 0}
#declare Fract=function "ridgedMF",<1,2,8,-.5,1>
isosurface{
function (-y)+(Fract(x,0,z)/15)
threshold 1 sign -1
accuracy .001 method 2 eval
contained_by{box{<-10,-2,-5>,<10,0,10>}}
//pigment{rgb 1}finish{diffuse 1}
texture{slope y
texture_map{
[.915 pigment{rgb<.45 .4 .3>}normal{granite .5 scale .1}]
[.925 pigment{rgb<.9 .8 .7>}finish{diffuse .9}]
}
}
scale 20
}
> What was the render time on this?
41 minutes and 45 seconds (ouch) on my P166 mhz
>
--
Samuel Benge
E-Mail: STB### [at] aolcom
Visit the still unfinished isosurface tutorial: http://members.aol.com/stbenge
Post a reply to this message
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The singer from the police...? Ya' know <real bad singing
voice>"Roxane....... you don't have ta turn on tha red
light.....Raaaaksane..."
Any way where have you been under a rock or something... just kidding...
Check out the book in your local or school library... I think you would like
it... Or if you're too lazy there's always blockbuster but i recommend the
book it is much more detailed...
TonyB wrote:
> >The name I believe comes from the book or more widely known the movie with
> >sting playing one of the bad guys... ( Quote:<english accent> I will kill
> >you!!!)
>
> Never heard of it. BTW, who or what is "sting"?
Post a reply to this message
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Bill DeWitt wrote:
> Great image, but I must have missed something. What are these ridged
> multifractals and how can I get one to play with? Will my Wife get mad at me
> if I play with it too much?
They are functions to be used for isosurfaces. They make excellent mountains and
are available within MegaPov .4
--
Samuel Benge
E-Mail: STB### [at] aolcom
Visit the still unfinished isosurface tutorial: http://members.aol.com/stbenge
Post a reply to this message
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In article <38D84108.AE515B11@aol.com>, "SamuelT." <STB### [at] aolcom>
wrote:
> Moon47 wrote:
>
> > Arrakis had virtually none, or very few rock structures...
>
> Don't you remember when the great stone cliff near that one base that
> had the force field? The one that got blow up?
I read one of the Dune books, and apparently, almost all of the land of
Arrakis was just sand with no rock structures. There was a huge "wall"
of rock, I think it was artificial(maybe that is what happened to the
rock formations, they were scavenged for construction material. I don't
remember very well, though).
--
Christopher James Huff - Personal e-mail: chr### [at] yahoocom
TAG(Technical Assistance Group) e-mail: chr### [at] tagpovrayorg
Web page: http://chrishuff.dhs.org/
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SamuelT. wrote:
>
> I was playing with ridged multifractals today and here is one of the
> results. Any questions or comments?
>
Looks very good. Any chance of a peek at the code? Please?
Jerome
--
******************************* Jérôme M. BERGER
* Doctor Jekyll had something * mailto:ber### [at] inamecom
* to Hyde... * http://www.enst.fr/~jberger
*******************************
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Moon47 wrote:
>
> The singer from the police...? Ya' know <real bad singing
> voice>"Roxane....... you don't have ta turn on tha red
> light.....Raaaaksane..."
> Any way where have you been under a rock or something... just kidding...
> Check out the book in your local or school library... I think you would like
> it... Or if you're too lazy there's always blockbuster but i recommend the
> book it is much more detailed...
>
And much better anyway... The film is a great comic show
once you've read the book, though I doubt that was the
intention...
Jerome
--
******************************* Jérôme M. BERGER
* Doctor Jekyll had something * mailto:ber### [at] inamecom
* to Hyde... * http://www.enst.fr/~jberger
*******************************
Post a reply to this message
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Thanks for the code
Jerome
--
******************************* Jérôme M. BERGER
* Doctor Jekyll had something * mailto:ber### [at] inamecom
* to Hyde... * http://www.enst.fr/~jberger
*******************************
Post a reply to this message
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"Jerome" <ber### [at] inamecom> wrote :
> >
> And much better anyway... The film is a great comic show
> once you've read the book, though I doubt that was the
> intention...
>
The film is comedic only if you don't take it as an insult. I found it
insulting.
Post a reply to this message
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Chris Huff wrote:
> I read one of the Dune books, and apparently, almost all of the land of
> Arrakis was just sand with no rock structures. There was a huge "wall"
> of rock, I think it was artificial(maybe that is what happened to the
> rock formations, they were scavenged for construction material. I don't
> remember very well, though).
In Dune the movie they clearly showed isolated outcrops of rock scattered
about the planet but yes everywhere else the planet was fine grained sand
dunes.
--
Ken Tyler - 1300+ Povray, Graphics, 3D Rendering, and Raytracing Links:
http://home.pacbell.net/tylereng/index.html http://www.povray.org/links/
Post a reply to this message
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Bill DeWitt wrote:
> The film is comedic only if you don't take it as an insult. I found it
> insulting.
I found it no more insulting than the Star Wars movies are.
--
Ken Tyler - 1300+ Povray, Graphics, 3D Rendering, and Raytracing Links:
http://home.pacbell.net/tylereng/index.html http://www.povray.org/links/
Post a reply to this message
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In closing, perhaps my scene is just showing a larger rock outcropping. :)
Ken wrote:
> Chris Huff wrote:
>
> > I read one of the Dune books, and apparently, almost all of the land of
> > Arrakis was just sand with no rock structures. There was a huge "wall"
> > of rock, I think it was artificial(maybe that is what happened to the
> > rock formations, they were scavenged for construction material. I don't
> > remember very well, though).
>
> In Dune the movie they clearly showed isolated outcrops of rock scattered
> about the planet but yes everywhere else the planet was fine grained sand
> dunes.
>
> --
> Ken Tyler - 1300+ Povray, Graphics, 3D Rendering, and Raytracing Links:
> http://home.pacbell.net/tylereng/index.html http://www.povray.org/links/
--
Samuel Benge
E-Mail: STB### [at] aolcom
Visit the still unfinished isosurface tutorial:
http://members.aol.com/stbenge
Post a reply to this message
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I hope to get a hold of the book to read it; I've only seen the movie, which I
enjoyed thoroughly.
Jerome wrote:
> And much better anyway... The film is a great comic show
> once you've read the book, though I doubt that was the
> intention...
>
> Jerome
> --
> ******************************* Jérôme M. BERGER
> * Doctor Jekyll had something * mailto:ber### [at] inamecom
> * to Hyde... * http://www.enst.fr/~jberger
> *******************************
--
Samuel Benge
E-Mail: STB### [at] aolcom
Visit the still unfinished isosurface tutorial: http://members.aol.com/stbenge
Post a reply to this message
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Ken wrote:
>
> Chris Huff wrote:
>
> > I read one of the Dune books, and apparently, almost all of the land of
> > Arrakis was just sand with no rock structures. There was a huge "wall"
> > of rock, I think it was artificial(maybe that is what happened to the
> > rock formations, they were scavenged for construction material. I don't
> > remember very well, though).
As far as I can remember, the rock formation was natural. They built
the city there to protect it from the worms.
>
> In Dune the movie they clearly showed isolated outcrops of rock scattered
> about the planet but yes everywhere else the planet was fine grained sand
> dunes.
Except in the South. There are rumours of oases and green rolling
hills, but they are only rumours as the Guild's Sattelites are forbidden
from flying over this area.
--
Francois Labreque | The surest sign of the existence of extra-
flabreq | terrestrial intelligence is that they never
@ | bothered to come down here and visit us!
attglobal.net - Calvin
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Ken <tyl### [at] pacbellnet> wrote in message
news:38D90314.E837832C@pacbell.net...
>
>
> Chris Huff wrote:
>
> > I read one of the Dune books, and apparently, almost all of the land of
> > Arrakis was just sand with no rock structures. There was a huge "wall"
> > of rock, I think it was artificial(maybe that is what happened to the
> > rock formations, they were scavenged for construction material. I don't
> > remember very well, though).
>
There was, AFAIK, quite a few bits of rock in the book. Paul and his mother
escape from a sandworm after the thopter crash by moving into a rocky area.
Most of the Freeman water reservoirs are in rock caves.
God, the movie stunk - main reasons? Lynch didn't give a damn, the Baron
should have lived in opulent splendour, Paul was badly cast, it wasn't six
hours long, and Hollywood probably couldn't cope with the idea that the
heroic Freeman should all have been played by fanatical Arabs....
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Tom Melly wrote:
>
> Ken <tyl### [at] pacbellnet> wrote in message
> news:38D90314.E837832C@pacbell.net...
> >
> >
> > Chris Huff wrote:
> >
> > > I read one of the Dune books, and apparently, almost all of the land of
> > > Arrakis was just sand with no rock structures. There was a huge "wall"
> > > of rock, I think it was artificial(maybe that is what happened to the
> > > rock formations, they were scavenged for construction material. I don't
> > > remember very well, though).
> >
>
> There was, AFAIK, quite a few bits of rock in the book. Paul and his mother
> escape from a sandworm after the thopter crash by moving into a rocky area.
> Most of the Freeman water reservoirs are in rock caves.
>
> God, the movie stunk - main reasons? Lynch didn't give a damn, the Baron
> should have lived in opulent splendour, Paul was badly cast, it wasn't six
> hours long, and Hollywood probably couldn't cope with the idea that the
> heroic Freeman should all have been played by fanatical Arabs....
I consider myself a well read but discriminating sci-fi reader and the
truth be told I thought the Dune series was an aweful bore. I liked the
movie because there was so much to laugh at.
--
Ken Tyler - 1300+ Povray, Graphics, 3D Rendering, and Raytracing Links:
http://home.pacbell.net/tylereng/index.html http://www.povray.org/links/
Post a reply to this message
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Ken <tyl### [at] pacbellnet> wrote in message
news:38D9EFAA.50AA6868@pacbell.net...
>
> I consider myself a well read but discriminating sci-fi reader and the
> truth be told I thought the Dune series was an aweful bore. I liked the
> movie because there was so much to laugh at.
>
I'd agree(ish) with regard to the sequals, but the first book is definately
in my top-ten sci-fi list. Which one did you read?
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"Tom Melly" <tom### [at] tomandluforce9couk> wrote :
>
> God, the movie stunk - main reasons? Lynch didn't give a damn, the Baron
> should have lived in opulent splendour, Paul was badly cast, it wasn't six
> hours long, and Hollywood probably couldn't cope with the idea that the
> heroic Freeman should all have been played by fanatical Arabs....
>
True.
Also, what happened to the "weirding way"? Some sort of a vocal
amplifier? Why not just change -everything- if you are going to ignore some
of the basic premises? Maybe "Dune, 90210" with bathing suits instead of
Stilsuits. I'm guessing that they couldn't find any Aikidoka to play Paul
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Tom Melly wrote:
>
> Ken <tyl### [at] pacbellnet> wrote in message
> news:38D9EFAA.50AA6868@pacbell.net...
> >
> > I consider myself a well read but discriminating sci-fi reader and the
> > truth be told I thought the Dune series was an aweful bore. I liked the
> > movie because there was so much to laugh at.
> >
>
> I'd agree(ish) with regard to the sequals, but the first book is definately
> in my top-ten sci-fi list. Which one did you read?
All of them. When I first started reading Sci-Fi I would raid my brothers
prolific collection and included in that was the entire series of Dune
books - some 25 years ago.
--
Ken Tyler - 1300+ Povray, Graphics, 3D Rendering, and Raytracing Links:
http://home.pacbell.net/tylereng/index.html http://www.povray.org/links/
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"Ken" <tyl### [at] pacbellnet> wrote :
>
> All of them. When I first started reading Sci-Fi I would raid my brothers
> prolific collection and included in that was the entire series of Dune
> books - some 25 years ago.
>
There is a new installment just released this year. A "prequel"...
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> Also, what happened to the "weirding way"? Some sort of a vocal
>amplifier? Why not just change -everything- if you are going to ignore some
>of the basic premises? Maybe "Dune, 90210" with bathing suits instead of
>Stilsuits. I'm guessing that they couldn't find any Aikidoka to play Paul
>
Steven Segal? His aikido isn't too bad, acting ability, well.....
Gail
********************************************************************
* gsh### [at] monotixcoza * Reality.dat not found *
* http://www.rucus.ru.ac.za/~gail/ * Attempting to reboot universe *
********************************************************************
* Document program code? Why do you think it's called code? *
********************************************************************
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"SamuelT." wrote:
> I was playing with ridged multifractals today and here is one of the
> results. Any questions or comments?
What is a ridged multifractal? Is it similar to perlin noise?
--
___ _______________________________________________
| \ |_ <dav### [at] faricynet> <ICQ 55354965>
|_/avid |ontaine http://www.faricy.net/~davidf/
"The only difference between me and a madman is that I'm not mad." -Dali
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