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From: SamuelT
Subject: Clouds again (desert2.jpg 29kb bu)
Date: 20 Jun 2000 23:12:34
Message: <39503348.25246901@aol.com>
Hi everyone. Here's the clouds again, this time they get thicker towards
the horizon, and I 'tightened' the edges a bit. I changed the sun's
postition, added another light_source, and gave the ground a gravel-rock
texture. Even with all that, the render time was 2 minutes 45 seconds!
It rendered faster because I used a polygon instead of a plane for the
clouds this time.

Any q's or questions?

--
Samuel Benge

E-Mail: STB### [at] aolcom

Visit my isosurface tutorial at http://members.aol.com/stbenge


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Attachments:
Download 'desert2.jpg' (29 KB)

Preview of image 'desert2.jpg'
desert2.jpg


 

From: Bob Hughes
Subject: Re: Clouds again (desert2.jpg 29kb bu)
Date: 20 Jun 2000 23:26:56
Message: <39503600@news.povray.org>
You've done it again.  Looks improved too, but I really liked the sunshine in
the sky of the previous one.  I forgot to mention before that I had used the
'ridged_mf' for clouds in a rendering a few weeks back, the image posted here
at p.b.i. was the desert islands thing with a bad boundary line intersecting
at a box and isosurface with pigment function.
Anyway, those clouds were terrible so I was surprised to hear yours were of
the same pattern.  Oh I know now, I had used it in isosurface form and I guess
these are pigment pattern on the polygons.  A big difference for sure.

Bob


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From: redcow
Subject: Re: Clouds again (desert2.jpg 29kb bu)
Date: 20 Jun 2000 23:54:30
Message: <39503E90.429561E1@erols.com>
It's beautiful man!!! You (and everyone else here) have inspired me to start
raytracing again and I'll actually have some time over summer vacation!

This is really cool, I like how the light shines off the side of the little
hill, the texturing is also really cool, great job!

-Gee


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From: Tony[B]
Subject: Re: Clouds again (desert2.jpg 29kb bu)
Date: 20 Jun 2000 23:55:48
Message: <39503cc4@news.povray.org>
Post the source, dammit! Stop making us beg for it! =)


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From: SamuelT
Subject: Re: Clouds again (desert2.jpg 29kb bu)
Date: 21 Jun 2000 01:24:04
Message: <3950522A.F3AEA214@aol.com>
Okay, okay! You don't have to swear! :) It's been posted to
povray.text.scenes-files

"Tony[B]" wrote:

> Post the source, dammit! Stop making us beg for it! =)

--
Samuel Benge

E-Mail: STB### [at] aolcom

Visit my isosurface tutorial at http://members.aol.com/stbenge


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From: Tony[B]
Subject: Re: Clouds again (desert2.jpg 29kb bu)
Date: 21 Jun 2000 01:27:16
Message: <39505234@news.povray.org>
> Okay, okay! You don't have to swear! :) It's been posted to
> povray.text.scenes-files

Sorry... Woohoo! :-D Thanks a bunch, Sam.


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From: SamuelT
Subject: Re: Clouds again (desert2.jpg 29kb bu)
Date: 21 Jun 2000 01:29:47
Message: <3950537C.5B6E6428@aol.com>
Bob Hughes wrote:

> You've done it again.  Looks improved too, but I really liked the sunshine in
> the sky of the previous one.

I wanted to make the light shine on the hills better, which means taking the sun
out of the view. The 'sun' was just a disc behind the light_source with a special
texture+finish to make the sun appear visible.


> I forgot to mention before that I had used the
> 'ridged_mf' for clouds in a rendering a few weeks back, the image posted here
> at p.b.i. was the desert islands thing with a bad boundary line intersecting
> at a box and isosurface with pigment function.

Yeah, I just saw it. I tried making such clouds out of an isosurface and had no
luck at all. Any attempt resulted in a higher rendering time anyways.


> Anyway, those clouds were terrible so I was surprised to hear yours were of
> the same pattern.  Oh I know now, I had used it in isosurface form and I guess
> these are pigment pattern on the polygons.  A big difference for sure.

To use ridgedMF as a pigment, I had to divide the heck out of it, or else terrible
lines would show up. See code at p.text.scenes-files

--
Samuel Benge

E-Mail: STB### [at] aolcom

Visit my isosurface tutorial at http://members.aol.com/stbenge


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From: Christoph Hormann
Subject: Re: Clouds again (desert2.jpg 29kb bu)
Date: 21 Jun 2000 01:35:11
Message: <3950540F.CD430F91@schunter.etc.tu-bs.de>
SamuelT wrote:
> 
> Hi everyone. Here's the clouds again, this time they get thicker towards
> the horizon, and I 'tightened' the edges a bit. I changed the sun's
> postition, added another light_source, and gave the ground a gravel-rock
> texture. Even with all that, the render time was 2 minutes 45 seconds!
> It rendered faster because I used a polygon instead of a plane for the
> clouds this time.
> 

I think, you can see the ridges in the clouds much better now, I will
have to try it instead of the bozo pattern i usually use.  

NTL, the bottom side of the clouds looks a bit flat, some change in the
color map would be worth trying.  

I really like the shadows on the terrain, without the clouds it would
look a bit like the pictures from mars.  

Christoph

--
Christoph Hormann <chr### [at] gmxde>
Homepage: http://www.schunter.etc.tu-bs.de/~chris/


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From: Rick
Subject: Re: Clouds again (desert2.jpg 29kb bu)
Date: 21 Jun 2000 07:19:47
Message: <3950a4d3$1@news.povray.org>
> Hi everyone. Here's the clouds again, this time they get thicker towards
damn nice!


> texture. Even with all that, the render time was 2 minutes 45 seconds!

murmuor mormor mmrmr  rure *frazna* mmermrmrroorppr

Rick


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From: Doug Eichenberg
Subject: Re: Clouds again (desert2.jpg 29kb bu)
Date: 21 Jun 2000 22:51:36
Message: <39517f38@news.povray.org>
That is one nice image.  Well done!

- Doug Eichenberg


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