[Radiance-general] Ray tracing

[Greg Ward]

Yes, and a reminder that the "rad" interface also knows how to handle basic photon maps, running mkpmap as part of the process management.

Cheers,
-Greg

> From: "Roland Schregle" <roland.schregle at gmail.com>
> Date: August 8, 2016 9:22:41 AM PDT
> 
> On Mon, 08 Aug 2016 17:09:20 +0200, Guglielmetti, Robert <Robert.Guglielmetti at nrel.gov> wrote:
> 
>> A very simple answer: yes. =)
>> 
>> Through recent updates to Radiance, Roland Schregle's photon map work has been fully integrated into Radiance proper. The photon map is essentially a forward ray tracing preprocess, which nets you some of the niceties of forward raytracing (e.g. caustics). Is that what you're looking for?
> 
> Thanks, Rob. :^)
> 
> Following up on Rob's answer, there's a photon mapping manual in ray/doc/pmap-manual.pdf to get you started. Forward raytracing is done with the mkpmap utility as a prerequisite to using the usual rpict/tracte/rvu, supplying the photon map file with the -ap option.
> 
> Good luck,
> 
> --Roland
>