[Bf-cycles] GSoC - Spectral Rendering

[Matthew Heimlich]

It should be noted, I think, that this wouldn't be wildly useful for
animation because of the increased render times, but would be very
nice to have for things like product visualization, especially for
anyone working with jewelry and metallic objects.

On Tue, Apr 9, 2013 at 5:16 PM, Gavin Howard <gavin.d.howard at gmail.com> wrote:
>      Dalai,
>      The real advantage of spectral rendering is that the light coming
> of two different objects interact more realistically. This tends to
> show best when dealing with organic materials. For example, say a
> person is holding an orange. Both the skin and the orange have some
> amount of scattering, and that scattering interacts better spectrally
> than in RGB. Some other things that often show advantages with
> spectral rendering are fluorescent lights.
>      Plus, use it right, and it looks pretty good. :)
>      God Bless,
>      Gavin Howard
>
>
> On Tue, Apr 9, 2013 at 3:06 PM, Dalai Felinto <dfelinto at gmail.com> wrote:
>>
>> Hi Gavin,
>>
>> What are the advantages of using wave-length?
>> I know PBRT is based in wave-length, thus Cycles must have some of it
>> in its internals. But I wonder what is the impact for the final user
>> in such feature.
>>
>> One thing I know is that you can have infra-red cameras with the
>> proper BRDF materials
>> (a college of mine was working on that last-year for a school
>> assignment on top of PBRT)
>> But that sounds too much like a corner case ;)
>>
>> Cheers,
>> Dalai
>> --
>> blendernetwork.org/member/dalai-felinto
>> www.dalaifelinto.com
>>
>>
>> 2013/4/9 Gavin Howard <gavin.d.howard at gmail.com>:
>> > Sounds good.
>> > Gavin H.
>> >
>> >
>> > On Tue, Apr 9, 2013 at 2:41 PM, Brecht Van Lommel
>> > <brechtvanlommel at pandora.be> wrote:
>> >>
>> >> If you have ideas I can give broad advice about what I think is
>> >> feasible to do in the time frame. But reviewing the proposal before
>> >> submission wouldn't be fair to other students, the other mentors
>> >> should be able to evaluate proposals written by the student alone, to
>> >> get a sense of the understanding and planning ability of the student.
>> >>
>> >> There will also be enough time to make adjustments after the proposal
>> >> is submitted, mentors will comment if they think the project is too
>> >> big/small.
>> >>
>> >> Brecht.
>> >>
>> >> On Tue, Apr 9, 2013 at 10:17 PM, Gavin Howard <gavin.d.howard at gmail.com>
>> >> wrote:
>> >> >      Brecht,
>> >> >      Would you mind helping me write a proposal? (By help, I mean review
>> >> > it
>> >> > when I'm done and suggest changes.) That way, I could make sure that the
>> >> > project is not too large in scope. Thanks.
>> >> >      God Bless,
>> >> >      Gavin Howard
>> >> >
>> >> >
>> >> > On Tue, Apr 9, 2013 at 2:14 PM, Brecht Van Lommel
>> >> > <brechtvanlommel at pandora.be> wrote:
>> >> >>
>> >> >> Hi,
>> >> >>
>> >> >> I think this could be great as a summer of code project. I guess the
>> >> >> essential part would be support for spectral colors in the path
>> >> >> tracing integrator, and then you could add extras like a temperature
>> >> >> to color node and dispersion support for one or more of the BSDF nodes
>> >> >> depending how much time there is.
>> >> >>
>> >> >> Brecht.
>> >> >>
>> >> >> On Tue, Apr 9, 2013 at 8:21 PM, Gavin Howard <gavin.d.howard at gmail.com>
>> >> >> wrote:
>> >> >> >      Hello all,
>> >> >> >      I was excited yesterday when the Blender Foundation was accepted
>> >> >> > into
>> >> >> > Google Summer of Code again. I've been wanting to do spectral
>> >> >> > rendering
>> >> >> > in
>> >> >> > Cycles for awhile now, and I would like your input on whether you
>> >> >> > think
>> >> >> > it
>> >> >> > would be a good project or not. Thanks!
>> >> >> >      God Bless,
>> >> >> >      Gavin Howard
>> >> >> >
>> >> >> > _______________________________________________
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>> >> >> >
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>> >> >
>> >> >
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