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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.
rémy
"Marc Jacquier" <nos### [at] wanadoo fr> a écrit dans le message 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: 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
"Remy Closset" <rem### [at] tiscalifr> escribió en el mensaje
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.
>
> rémy
>
> "Marc Jacquier" <nos### [at] wanadoofr> a écrit dans le message
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
> > }
> >
> >
> >
> >
>
>
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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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"Christoph Hormann" <chr### [at] gmxde> a écrit dans le message de news:
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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"Andrew the Orchid" <voi### [at] devnull> a écrit dans le message de news:
415c4bc4$1@news.povray.org...
> Dude, that is too cool...
Thank you
Marc
Post a reply to this message
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"Remy Closset" <rem### [at] tiscalifr> a écrit dans le message de 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.
>
> rémy
>
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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"LightBeam" <s.f### [at] tiscalifr> a écrit dans le message de news:
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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