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Kenneth wrote:
> William Tracy <wtr### [at] calpolyedu> wrote:
> 
>> No extinction (too fiddly for me, honestly) and no intervals--I need to
>> re-red the docs on what intervals does.
>>
> 
> I kind of gave up on trying to understand what intervals does. :-|
> Be aware that the docs (those that come with the program, anyway) have wrong
> default media values. The correct defaults are:
> 
> method 3
> intervals 1
> samples 10
> 
> It seems that a fair number of users try fiddling with the intervals value; but
> IMO, it's just easier (and more understandable) to leave intervals at 1 and
> crank up the samples until things looks good. I think that's a recommendation
> in the docs anyway (when using method 3.) Others have noted that it's faster,
> too, although I haven't experimented to find out.
> 
	Note also that the "intervals" setting is actually the *minimum*
that povray will use. Povray will increase this number automatically
as needed. (With method 3). So there is no problem leaving it at the
default setting.

	Multiple intervals make a difference when there are spotlights in
the scene: they ensure that more samples get taken in the spotlight
beams than outside the beams.

		Jerome
- --
mailto:jeb### [at] freefr
http://jeberger.free.fr
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