On 04/14/2012 11:56 AM, Le_Forgeron wrote:
> Le 14/04/2012 13:34, Thomas de Groot nous fit lire :
>> On 14-4-2012 12:00, Le_Forgeron wrote:
>>> Le 14/04/2012 09:06, Thomas de Groot nous fit lire :
>>>> On 14-4-2012 0:11, Alain wrote:
>>>>> As of version 3.6 onward, +bxxx (Output File Buffer) is useless and
>>>>> silently ignored.
>>>>>
>>>> Now that you mention this, since version 3.7 I have been using +bm2 in
>>>> my ini out of habit. However, I am unable to find any reference to it in
>>>> the docs and I don't remember its purpose. I am feeling a bit stupid
>>>> now... :-)
>>>
>>> BM is bounding method (1 or 2, but can be disabled with -B )
>>> Default is 1 (traditional bounding box).
>>> Method 2 is using a BSP Tree (binary space partition tree)
>>>
>>> Some pathological scenes get benefit from method 2... or detriment.
>>
>> OK. Then note that +BM1, or +BM2, or Bounding_method, do not exist as
>> terms in the documentation index. Only BSP or BSP bounding refer to the
>> paragraph.
>
> For the curious:
>
> http://wiki.povray.org/content/Reference:Tracing_Options#BSP_Bounding
>
> I guess contribution in discussion might be welcome.

guessing it might have more to do with the fact it was missing from the 
index (got broke last release) of files rather than then content.

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