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Is there any way to do some kind of Exposure like there was in MegaPOV?
I'm currently toying with LUXrender, it has two ways of simulating real-life
exposure: 'Linear' and 'Reinhard'. Can this be done without Clipka and his merry
gang of programmers patching the software; like a macro or something?
I'm aware that you can disturb the cam-normal but...
Any tip is welcome!
Best regards, T Sandberg
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From: clipka
Subject: Re: Exposure-simulation for up-to date POVRay?
Date: 15 Aug 2010 13:39:39
Message: <4c68265b@news.povray.org>
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Am 15.08.2010 17:49, schrieb fomhorian:
> Is there any way to do some kind of Exposure like there was in MegaPOV?
> I'm currently toying with LUXrender, it has two ways of simulating real-life
> exposure: 'Linear' and 'Reinhard'. Can this be done without Clipka and his merry
> gang of programmers patching the software; like a macro or something?
As a side note, to prevent rumors from spawning: It's not "my" gang of
programmers; the "leader of the pack" is still Chris Cason, I just
happened to have more time than others to plow through POV-Ray code in
the recent past ;-)
At present, there is no support for simulating photographic film
exposure built into POV-Ray 3.7. Maybe misuse of the output gamma
handling mechanism might get you comparatively close. My personal
suggestion would be to output the image to some HDR format (i.e. either
OpenEXR or Radiance HDR), and apply a suitable tone mapping curve as a
post-processing step in Photoshop, Gimp or what-have-you.
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clipka <ano### [at] anonymous org> wrote:
> Am 15.08.2010 17:49, schrieb fomhorian:
> > Is there any way to do some kind of Exposure like there was in MegaPOV?
> > I'm currently toying with LUXrender, it has two ways of simulating real-life
> > exposure: 'Linear' and 'Reinhard'. Can this be done without Clipka and his merry
> > gang of programmers patching the software; like a macro or something?
>
> As a side note, to prevent rumors from spawning: It's not "my" gang of
> programmers; the "leader of the pack" is still Chris Cason, I just
> happened to have more time than others to plow through POV-Ray code in
> the recent past ;-)
>
> At present, there is no support for simulating photographic film
> exposure built into POV-Ray 3.7. Maybe misuse of the output gamma
> handling mechanism might get you comparatively close. My personal
> suggestion would be to output the image to some HDR format (i.e. either
> OpenEXR or Radiance HDR), and apply a suitable tone mapping curve as a
> post-processing step in Photoshop, Gimp or what-have-you.
Sorry about the "merry..." joke; will look into EXR & GIMP!
Sincerely Tomas S
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From: Thomas de Groot
Subject: Re: Exposure-simulation for up-to date POVRay?
Date: 16 Aug 2010 08:04:42
Message: <4c69295a$1@news.povray.org>
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"clipka" <ano### [at] anonymousorg> schreef in bericht
news:4c68265b@news.povray.org...
> As a side note, to prevent rumors from spawning: It's not "my" gang of
> programmers; the "leader of the pack" is still Chris Cason, I just
> happened to have more time than others to plow through POV-Ray code in the
> recent past ;-)
Paraphrasing JRRT:
"Old Christoph Lipka is a merry fellow;
bright blue his jacquet is and his boots are yellow..."
:-)
Thomas
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