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Hi folks,
I wanted to improve my McIntosh image, mostly the table material and the
tubes filaments light emission.
I had to fiddle with radiosity settings. filaments are just high ambient
textured stacked tori, (20 ,2 per valve, arealights should take forever to
trace and point lights should be unrealistic)
I used save & load radiosity data (as found on Jaime's page
http://www.ignorancia.org/t_tips.php ) with higher ambient for the filaments
during the pretrace
I am still not quite satisfied: lighting by filaments is uneven.
Modeled with Moray with some Luis' DirectCode plugin additions and directly
exported and rendered in Megapov 1.1
A larger version can be found here:
http://marc.jacquier.free.fr/Pics/Stock/Autres/mcintoshhdri4.png
Comments & advices are welcome as usual :-)
Marc
here are my radiosity settings
#declare use_rad=2;
global_settings{
#if (use_rad)
radiosity{
// save settings: modified Outdoor settings from rad_def.inc
#if (use_rad=1)
brightness 1
count 1300
error_bound 1
gray_threshold 0.0
low_error_factor 0.6
minimum_reuse .015
nearest_count 5
recursion_limit 1
adc_bailout 0.05
max_sample -1.0
media off
normal on
always_sample 1
pretrace_start 0.08
pretrace_end 0.02
save_file "rad-save-load.rad"
#else
// load settings
pretrace_start 1 pretrace_end 1
load_file "rad-save-load.rad"
error_bound 1 // it's important to specify the same value used to save
data
recursion_limit 1 // also the same if specified
always_sample off // no more samples: specially useful with focal blur
#end
}
#end
}
Post a reply to this message
Attachments:
Download 'mcintoshhdri4_800_600.jpg' (90 KB)
Preview of image 'mcintoshhdri4_800_600.jpg'
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Marc Jacquier wrote:
> Hi folks,
> I wanted to improve my McIntosh image, mostly the table material and the
> tubes filaments light emission.
> I had to fiddle with radiosity settings. filaments are just high ambient
> textured stacked tori, (20 ,2 per valve, arealights should take forever to
> trace and point lights should be unrealistic)
> I used save & load radiosity data (as found on Jaime's page
> http://www.ignorancia.org/t_tips.php ) with higher ambient for the filaments
> during the pretrace
> I am still not quite satisfied: lighting by filaments is uneven.
>
> Modeled with Moray with some Luis' DirectCode plugin additions and directly
> exported and rendered in Megapov 1.1
>
> A larger version can be found here:
> http://marc.jacquier.free.fr/Pics/Stock/Autres/mcintoshhdri4.png
>
> Comments & advices are welcome as usual :-)
>
>
> Marc
Nice version too. It seem that you remove the bump and changed the
texture of the table...
Post a reply to this message
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Marc Jacquier wrote:
> Hi folks,
> I wanted to improve my McIntosh image, mostly the table material and the
> tubes filaments light emission.
I must say i like the old version better. The wood pattern looks
somewhat strange in this one.
Your comment says it is important to use the same error_bound when
taking and reusing radiosity data - this is not necessarily the case
(and to avoid taking too many additional samples in the final trace it
makes sense to use a higher value there.
Christoph
--
POV-Ray tutorials, include files, Sim-POV,
HCR-Edit and more: http://www.tu-bs.de/~y0013390/
Last updated 23 Sep. 2004 _____./\/^>_*_<^\/\.______
Post a reply to this message
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Dude, that is too cool...
Post a reply to this message
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From: Remy Closset
Subject: Re: McIntosh in the Kitchen new version
Date: 30 Sep 2004 14:58:16
Message: <415c5748@news.povray.org>
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I think the same about the wooden tecxture. It will be better to say
"mackintosh in the barn"
The rest is very great as usually with your posts Marc.
news:415bbd67@news.povray.org...
> Hi folks,
> I wanted to improve my McIntosh image, mostly the table material and the
> tubes filaments light emission.
> I had to fiddle with radiosity settings. filaments are just high ambient
> textured stacked tori, (20 ,2 per valve, arealights should take forever
to
> trace and point lights should be unrealistic)
> I used save & load radiosity data (as found on Jaime's page
> http://www.ignorancia.org/t_tips.php ) with higher ambient for the
filaments
> during the pretrace
> I am still not quite satisfied: lighting by filaments is uneven.
>
> Modeled with Moray with some Luis' DirectCode plugin additions and
directly
> exported and rendered in Megapov 1.1
>
> A larger version can be found here:
> http://marc.jacquier.free.fr/Pics/Stock/Autres/mcintoshhdri4.png
>
> Comments & advices are welcome as usual :-)
>
>
> Marc
>
>
> here are my radiosity settings
>
> #declare use_rad=2;
> global_settings{
>
> #if (use_rad)
> radiosity{
> // save settings: modified Outdoor settings from rad_def.inc
> #if (use_rad=1)
>
> brightness 1
> count 1300
> error_bound 1
> gray_threshold 0.0
> low_error_factor 0.6
> minimum_reuse .015
> nearest_count 5
> recursion_limit 1
>
> adc_bailout 0.05
> max_sample -1.0
> media off
> normal on
> always_sample 1
>
> pretrace_start 0.08
> pretrace_end 0.02
>
>
> save_file "rad-save-load.rad"
> #else
> // load settings
> pretrace_start 1 pretrace_end 1
> load_file "rad-save-load.rad"
> error_bound 1 // it's important to specify the same value used to
save
> data
> recursion_limit 1 // also the same if specified
> always_sample off // no more samples: specially useful with focal
blur
> #end
> }
> #end
> }
>
>
>
>
Post a reply to this message
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From: Oleguer Vilella
Subject: Re: McIntosh in the Kitchen new version
Date: 30 Sep 2004 16:07:59
Message: <415c679f@news.povray.org>
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Yeah, that's very good. Congratulations!!!!!
Best regards,
Oleguer
news:415c5748@news.povray.org...
> I think the same about the wooden tecxture. It will be better to say
> "mackintosh in the barn"
> The rest is very great as usually with your posts Marc.
>
>
de
> news:415bbd67@news.povray.org...
> > Hi folks,
> > I wanted to improve my McIntosh image, mostly the table material and the
> > tubes filaments light emission.
> > I had to fiddle with radiosity settings. filaments are just high ambient
> > textured stacked tori, (20 ,2 per valve, arealights should take forever
> to
> > trace and point lights should be unrealistic)
> > I used save & load radiosity data (as found on Jaime's page
> > http://www.ignorancia.org/t_tips.php ) with higher ambient for the
> filaments
> > during the pretrace
> > I am still not quite satisfied: lighting by filaments is uneven.
> >
> > Modeled with Moray with some Luis' DirectCode plugin additions and
> directly
> > exported and rendered in Megapov 1.1
> >
> > A larger version can be found here:
> > http://marc.jacquier.free.fr/Pics/Stock/Autres/mcintoshhdri4.png
> >
> > Comments & advices are welcome as usual :-)
> >
> >
> > Marc
> >
> >
> > here are my radiosity settings
> >
> > #declare use_rad=2;
> > global_settings{
> >
> > #if (use_rad)
> > radiosity{
> > // save settings: modified Outdoor settings from rad_def.inc
> > #if (use_rad=1)
> >
> > brightness 1
> > count 1300
> > error_bound 1
> > gray_threshold 0.0
> > low_error_factor 0.6
> > minimum_reuse .015
> > nearest_count 5
> > recursion_limit 1
> >
> > adc_bailout 0.05
> > max_sample -1.0
> > media off
> > normal on
> > always_sample 1
> >
> > pretrace_start 0.08
> > pretrace_end 0.02
> >
> >
> > save_file "rad-save-load.rad"
> > #else
> > // load settings
> > pretrace_start 1 pretrace_end 1
> > load_file "rad-save-load.rad"
> > error_bound 1 // it's important to specify the same value used to
> save
> > data
> > recursion_limit 1 // also the same if specified
> > always_sample off // no more samples: specially useful with focal
> blur
> > #end
> > }
> > #end
> > }
> >
> >
> >
> >
>
>
Post a reply to this message
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From: Marc Jacquier
Subject: Re: McIntosh in the Kitchen new version
Date: 2 Oct 2004 06:40:32
Message: <415e85a0@news.povray.org>
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cjgv55$apn$1@chho.imagico.de...
> I must say i like the old version better. The wood pattern looks
> somewhat strange in this one.
Well I am trying to improve that
>
> Your comment says it is important to use the same error_bound when
> taking and reusing radiosity data - this is not necessarily the case
> (and to avoid taking too many additional samples in the final trace it
> makes sense to use a higher value there.
>
Thanks, I still feel dumb in front of radiosity parameters, btw it is not my
comment but Jaime's comment, as I copy/pasted his code and fiddled with
values.
Marc
Post a reply to this message
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415c4bc4$1@news.povray.org...
> Dude, that is too cool...
Thank you
Marc
Post a reply to this message
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415c5748@news.povray.org...
> I think the same about the wooden tecxture. It will be better to say
> "mackintosh in the barn"
> The rest is very great as usually with your posts Marc.
>
>
Thank You Remy, I'll change this fuc4!ng table, LOL
Marc
Post a reply to this message
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From: Marc Jacquier
Subject: Re: McIntosh in the Kitchen new version
Date: 2 Oct 2004 16:26:42
Message: <415f0f02@news.povray.org>
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415bf059$1@news.povray.org...
>
> Nice version too.
Oh thanks, I missed your post
>It seem that you remove the bump and changed the
> texture of the table...
Yes indeed :)
Marc
Post a reply to this message
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