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I am using Yvo's 3.7.0 RC6 unofficial (Universal 64 bit, Dec 14 2012) in OS X to
research turbulence models in the atmosphere, using clipka's focal_blur camera
that allows you to specify the number of test rays.
However, I've bumped into the max_trace_level limit of 256.
Any chance of making a special edition for OS X/Yosemite that boosts this limit?
Although I haven't published my research results yet, I do have a whimsical
POV-Ray picture of what I'm up to at
https://cns.utexas.edu/news/visualizing-science-2013
Sincerely,
John Kuehne
McDonald Observatory, Texas
 
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Am 31.01.2015 um 23:01 schrieb John:
> I am using Yvo's 3.7.0 RC6 unofficial (Universal 64 bit, Dec 14 2012) in OS X to
> research turbulence models in the atmosphere, using clipka's focal_blur camera
> that allows you to specify the number of test rays.
>
> However, I've bumped into the max_trace_level limit of 256.
>
> Any chance of making a special edition for OS X/Yosemite that boosts this limit?
That would certainly be a job for Yvo himself.
Building such a version should be a piece of cake (for someone familiar 
with building for OS X); from what I see, it should suffice to build 
with the preprocessor macro MAX_TRACE_LEVEL_LIMIT predefined to 
something larger than 256.
There might however be other limitations lurking in the shadows; they 
probably won't kick in right at max_trace_level 257, but don't expect 
max_trace_level 1000000000 to work flawlessly ;-)
 
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On 2015-01-31 17:01:54 +0000, John said:
> I am using Yvo's 3.7.0 RC6 unofficial (Universal 64 bit, Dec 14 2012) 
> in OS X to
That is a very old version, please download the most recent version at:
http://megapov.inetart.net/povrayunofficial_mac/
> research turbulence models in the atmosphere, using clipka's focal_blur camera
> that allows you to specify the number of test rays.
> 
> However, I've bumped into the max_trace_level limit of 256.
> 
> Any chance of making a special edition for OS X/Yosemite that boosts 
> this limit?
To what value? Here is a version with a limit of 1024:
http://megapov.inetart.net/beta/POVRay3_7_Unofficial_trace_1024.zip
Yvo
-- 
-------------------------------------------------------------------------------------------
POV-Ray 3.7 unofficial: http://megapov.inetart.net/povrayunofficial_mac/
UberPOV Mac: http://megapov.inetart.net/uberpov_mac/index.html#Mac
MegaPOV: http://megapov.inetart.net
E-mail: yvo(DOT)s(AT)gmx.net
 
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Thanks! I will try it out this afternoon.  The reason I used the old version is
a combination of laziness and fear of upgrades.
1024 will help a lot.
-John
 
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Works great, thanks. If I need more, I hope you'll be willing to make another
version. It's possible to run really huge refractive simulations on Lonestar,
which has POV-Ray:
https://www.tacc.utexas.edu/systems/lonestar
 
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On 01/02/15 19:08, John wrote:
> Works great, thanks. If I need more, I hope you'll be willing to make another
> version. It's possible to run really huge refractive simulations on Lonestar,
> which has POV-Ray:
> 
> https://www.tacc.utexas.edu/systems/lonestar
> 
> 
Gimme, gimme, gimme!
John
-- 
Protect the Earth
It was not given to you by your parents
You hold it in trust for your children
 
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