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On Tue, 24 Apr 2001 16:45:03 +0200, JRG wrote:
>See question at pov-general. (It's not a pov image).
>
Is it another photo of Bill's mercury.
--
Cheers
Steve email mailto:ste### [at] zeropps uklinuxnet
%HAV-A-NICEDAY Error not enough coffee 0 pps.
web http://www.zeropps.uklinux.net/
or http://start.at/zero-pps
1:49am up 82 days, 2:34, 2 users, load average: 1.25, 1.16, 1.11
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From: Greg M Johnson
Subject: Re: question concerning area lights....
Date: 24 Apr 2001 22:00:33
Message: <3ae62fc1@news.povray.org>
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Incredibly cool & photorealistic image, even if you've found some kind
of problem.....
JRG wrote:
> See question at pov-general. (It's not a pov image).
>
> [Image]
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From: Rick [Kitty5]
Subject: Re: question concerning area lights....
Date: 24 Apr 2001 23:55:19
Message: <3ae64aa7@news.povray.org>
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Looks like one of the lightflow demo images to me...
--
Rick
Kitty5 WebDesign - http://Kitty5.com
Hi-Impact database driven web site design & e-commerce
TEL : +44 (01625) 266358 - FAX : +44 (01625) 611913 - ICQ : 15776037
POV-Ray News & Resources - http://Povray.co.uk
PGP Public Key
http://pgpkeys.mit.edu:11371/pks/lookup?op=get&search=0x231E1CEA
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Definitely!
http://www.lightflowtech.com/images/bspline2_b.jpg
"Rick [Kitty5]" wrote:
>
> Looks like one of the lightflow demo images to me...
>
> --
> Rick
>
> Kitty5 WebDesign - http://Kitty5.com
> Hi-Impact database driven web site design & e-commerce
> TEL : +44 (01625) 266358 - FAX : +44 (01625) 611913 - ICQ : 15776037
> POV-Ray News & Resources - http://Povray.co.uk
>
> PGP Public Key
> http://pgpkeys.mit.edu:11371/pks/lookup?op=get&search=0x231E1CEA
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"Rick [Kitty5]" wrote
> Looks like one of the lightflow demo images to me...
>
I guess you didn't read my post at pov-general...<g>
jrg
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I found out about "Lightflow" today, and I am not satisfied with this.
I am disappointed. In some cases, these free light-algoritms render
better than POV, and should be implemented into POV, as soon as
possible. Why haven't the author done this in the first place.
Hugo.
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On Wed, 25 Apr 2001 18:54:37 +0200, Hugo wrote:
>I found out about "Lightflow" today, and I am not satisfied with this.
>
>I am disappointed. In some cases, these free light-algoritms render
>better than POV, and should be implemented into POV, as soon as
>possible. Why haven't the author done this in the first place.
Quite possibly because POV has been around since long before those
algorithms were known. Possibly because we do this in our spare time.
Possibly because nobody's ever mentioned them before. Possibly because,
as Nathan mentioned, they don't work all that well in raytracers that
use implicit surfaces.
--
Ron Parker http://www2.fwi.com/~parkerr/traces.html
My opinions. Mine. Not anyone else's.
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I wondered if I could make an image similar to this one with megapov.
This is the result:
#version Unofficial MegaPov 0.6;
global_settings { ambient_light 0 }
camera { right x location <0,5.5,-8>*1.1 look_at -y*.4 angle 35 }
light_source
{ <3.5,3.5,-2>, 1
fade_distance 6 fade_power 2
area_light x,y,6,6 adaptive 0 jitter orient
}
background { rgb <.7,.85,.95> }
plane
{ y,-.5
pigment { rgb 1 }
finish { specular .5 roughness .02 reflection .2 }
}
isosurface
{ function
{ sqrt(sqr(sqrt(sqr(x)+sqr(z))-1.5)+sqr(y))-(.3+.2*sin(8*atan2(x,z))) }
contained_by { box { -<2,.5,2>,<2,.5,2> } }
method 2 max_gradient 2.41 accuracy 10^-6
pigment { rgb 0 }
finish { specular 4 roughness .05 reflection .5 }
}
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Attachments:
Download 'test.jpg' (28 KB)
Preview of image 'test.jpg'
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Actually, changing the color of the isosurface from "rgb 0" to
"rgb <.25,.2,.05>" made it look even more like the original:
Post a reply to this message
Attachments:
Download 'test.jpg' (29 KB)
Preview of image 'test.jpg'
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Hugo <hua### [at] post3teledk> wrote:
: I am disappointed. In some cases, these free light-algoritms render
: better than POV
Which cases?
I tried to make a similar image to that lightflow example with megapov
and it wasn't even hard:
Post a reply to this message
Attachments:
Download 'test.jpg' (29 KB)
Preview of image 'test.jpg'
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