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From: Bob Hughes
Subject: Flight over mountains and lakes [~53KB Jpg]
Date: 27 Jul 2000 01:49:00
Message: <397fcd4c@news.povray.org>
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Since the animation was so garbled I figure a nice still image should be
uploaded.
Bob
--
omniVerse http://users.aol.com/persistenceofv/all.htm
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Attachments:
Download 'flitemountainlakes.jpg' (39 KB)
Preview of image 'flitemountainlakes.jpg'
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Great work!
The water could be a bit darker (or is it ice?) The mountains are isosurface? is
it pure RMF or with some additional function?
How about some peak very near in the foreground ?
Christoph
--
Christoph Hormann <chr### [at] gmx de>
Homepage: http://www.schunter.etc.tu-bs.de/~chris/
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On Thu, 27 Jul 2000 00:47:30 -0500, Bob Hughes wrote:
>Since the animation was so garbled I figure a nice still image should be
>uploaded.
Looks a bit like the Pyrenees but these mountains are a bit smaller.
The grassy area looks too smooth, even at this distance you'd see much
more turbulence and unevenness there.
If the camera was much higher up then the grass may look OK.
Nice work, thanks for sharing.
--
Cheers
Steve email mailto:ste### [at] zeroppsuklinuxnet
%HAV-A-NICEDAY Error not enough coffee 0 pps.
web http://www.zeropps.uklinux.net/
or http://start.at/zero-pps
10:47am up 12 days, 9:13, 1 user, load average: 1.00, 1.02, 1.07
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From: Bob Hughes
Subject: Re: Flight over mountains and lakes [~53KB Jpg]
Date: 27 Jul 2000 07:41:43
Message: <39801ff7@news.povray.org>
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"Christoph Hormann" <Chr### [at] schunteretctu-bsde> wrote in
message news:397### [at] schunteretctu-bsde...
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| The water could be a bit darker (or is it ice?) The mountains are
isosurface? is
| it pure RMF or with some additional function?
|
| How about some peak very near in the foreground ?
A lot to choose from that's for sure.
You guessed right, it's ice covered lakes at the beginning of the current
animation I'm doing, then the snow and ice melts off during it in a
unrealistic sort of way. I've never seen time-lapse done during a flyover.
Plain RMF, nothing else manipulating the isosurface unless you count the
slope-dependant texturing. Lakes are a single plane throughout. I made the
mistake of scaling the texture on that so the water/ice surfaces all moved
in a strange way toward <0,0,0>.
Glad you liked.
Bob
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From: Bob Hughes
Subject: Re: Flight over mountains and lakes [~53KB Jpg]
Date: 27 Jul 2000 07:55:46
Message: <39802342@news.povray.org>
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"Steve" <ste### [at] zeroppsuklinuxnet> wrote in message
news:slr### [at] zero-ppslocaldomain...
| On Thu, 27 Jul 2000 00:47:30 -0500, Bob Hughes wrote:
| >Since the animation was so garbled I figure a nice still image should be
| >uploaded.
|
| Looks a bit like the Pyrenees but these mountains are a bit smaller.
| The grassy area looks too smooth, even at this distance you'd see much
| more turbulence and unevenness there.
|
| If the camera was much higher up then the grass may look OK.
Yep, if you have seen the description of the animation I explain that the
textures had caused a jittering effect, much like 'crand' had been added to
the finish, but no AA or crand was used. To remedy I have switched to a
very flat texture for dirt, rock, grass and trees. I thought about adding
actual tree objects someday but the grass would most likely remain texture
alone.
| Nice work, thanks for sharing.
Thanks back. I was thinking these looked like some kind of mountains I had
seen in pictures/television before.
Bob
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From: Bill DeWitt
Subject: Re: Flight over mountains and lakes [~53KB Jpg]
Date: 27 Jul 2000 08:11:49
Message: <39802705@news.povray.org>
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Bob, see my question about Slope dependent texturing in p.g.
--
I get paid to do -anything- while connected to the internet.
Please use my referral id to find out more
http://www.getpaid4.com/?billdewitt
"Bob Hughes" <per### [at] aolcom?subject=PoV-News:> wrote in message
news:39802342@news.povray.org...
> "Steve" <ste### [at] zeroppsuklinuxnet> wrote in message
> news:slr### [at] zero-ppslocaldomain...
> | On Thu, 27 Jul 2000 00:47:30 -0500, Bob Hughes wrote:
> | >Since the animation was so garbled I figure a nice still image should
be
> | >uploaded.
> |
> | Looks a bit like the Pyrenees but these mountains are a bit smaller.
> | The grassy area looks too smooth, even at this distance you'd see much
> | more turbulence and unevenness there.
> |
> | If the camera was much higher up then the grass may look OK.
>
> Yep, if you have seen the description of the animation I explain that the
> textures had caused a jittering effect, much like 'crand' had been added
to
> the finish, but no AA or crand was used. To remedy I have switched to a
> very flat texture for dirt, rock, grass and trees. I thought about adding
> actual tree objects someday but the grass would most likely remain texture
> alone.
>
> | Nice work, thanks for sharing.
>
> Thanks back. I was thinking these looked like some kind of mountains I
had
> seen in pictures/television before.
>
> Bob
>
>
>
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Wonderful. How many objects are we seeing--I'd be even more impressed if it
were only one!
Also, doesn't this just blow away the concept of heightfields--wouldn't it
be impossible to make a non-hideous flythrough if these were mere
heightfields and one lacked a Cray?
Bob Hughes wrote:
> Since the animation was so garbled I figure a nice still image should be
> uploaded.
>
> Bob
> --
> omniVerse http://users.aol.com/persistenceofv/all.htm
>
> [Image]
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Bob Hughes wrote:
>
[...]
> You guessed right, it's ice covered lakes at the beginning of the current
> animation I'm doing, then the snow and ice melts off during it in a
> unrealistic sort of way. I've never seen time-lapse done during a flyover.
How about employing the RMF function for the ice too, so that the ice is melting
in the middle first and later on the coast.
Christoph
--
Christoph Hormann <chr### [at] gmxde>
Homepage: http://www.schunter.etc.tu-bs.de/~chris/
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From: Rick [Kitty5]
Subject: Re: Flight over mountains and lakes [~53KB Jpg]
Date: 27 Jul 2000 10:19:55
Message: <3980450b$1@news.povray.org>
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> Since the animation was so garbled I figure a nice still image should be
> uploaded.
you figured right :)
Rick
Post a reply to this message
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In article <397fcd4c@news.povray.org>, "Bob Hughes"
<per### [at] aolcom?subject=PoV-News:> wrote:
> Since the animation was so garbled I figure a nice still image should be
> uploaded.
Looks like a recently terraformed low-gravity planet...I don't think
mountains like that would survive long in an atmosphere.
Great job...have you tried making bare rock on near-vertical surfaces?
It looks like a lot of the snow is clinging to very steep slopes.
--
Christopher James Huff - Personal e-mail: chr### [at] maccom
TAG(Technical Assistance Group) e-mail: chr### [at] tagpovrayorg
Personal Web page: http://homepage.mac.com/chrishuff/
TAG Web page: http://tag.povray.org/
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