"jr" <cre### [at] gmailcom> wrote:
>
> "Kenneth" <kdw### [at] gmailcom> wrote:
> >
> > So there is some confusion here. I haven't yet looked at the online wiki
> > docs to double-check...
>
> thank you.  (before changing/updating the docs) can someone looking at the
> sources confirm the defaults, please ?
>

In v3.8 beta 1, I've been running a series of tests (on just the photon
'refraction' defaults, not 'reflection' so far), using a modified version of the
OP's code here-- and there seems to be a mixed-up interaction of on/off/default
in the photons blocks of the light_source and the refracting object. In other
words, the *default* behavior changes(!) when other changes are made in one or
the other of the blocks. Sorry that I cannot be more specific yet, as I am still
testing and trying to make sense of the results. But as it's off-topic here,
I'll try to post a follow-up in a new thread.

I don't yet know if these odd results are specific to the 3.8 betas...and/or to
the OP's specific cylinder light_source...

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