POV-Ray : Newsgroups : povray.general : Smooth normals for mesh2 objects : Re: Smooth normals for mesh2 objects Server Time
29 Jul 2024 06:26:42 EDT (-0400)
  Re: Smooth normals for mesh2 objects  
From: clipka
Date: 7 Dec 2013 14:46:27
Message: <52a37b13$1@news.povray.org>
Am 07.12.2013 19:18, schrieb Le_Forgeron:

>> (Feature request: memory mapped uncompressed on-disk lookup tables. I've
>> given up trying to feed Povray really huge datasets because the time
>> taken to load them into memory is crippling. If I can just leave them on
>> disk and use mmap() instead, then not only does only the part of the
>> data I need get loaded, but it remains loaded between runs. Loads, loads
>> faster. It's not even slightly hard when using Boost;
>> boost::memory_mapped_source works everywhere.)
>>
> It would be fine for a pigment (evaluation of some points only, when
> intersection spot them), but not with a set of triangles which must all
> be tested for intersection against all rays.

Mesh has its own internal bounding mechanism, so no need to look up each 
and every triangle.


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