"StephenS" <sshonfield(at)ottawa(dot)net> wrote in message 
news:442de37f$1@news.povray.org...
> ...
> I have a scene that shows this behavior.
> Do you use radiosity? Removing this from my scene helped it along. I only
> waited 2 hours and the scene used to take 20 minutes with v3.6.

Radiosity and photons are within #if's and commented out all of it afterward 
to check that they weren't being read anyway somehow. You have me thinking 
about any temporary files and now I've deleted the pov-state file and 
retried... same thing happens.

I gave a misleading description of the toolbar before, sorry. Only the Ini, 
Sel-Run, Stop, Pause buttons (and command-line) go grey and are unclickable 
after first pressing Stop in an attempt to abort the stalled render. Of 
course, Pause would do that anyhow. Yet all other functions seem okay since 
editing and saving a file is still possible.

I haven't let the render sit there stalled for very long because it would 
normally appear in the display window within seconds, although tried to let 
it go a few minutes to be sure something was indeed wrong.

Thought I had tracked it down to a pair of nested differences but, again, I 
can't duplicate the problem even when using almost the same SDL script in a 
test file. So far a complete mystery to me.

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