[Bf-cycles] Sample filtering options

[Yury Baranov]

Hi,
I was talking about other filters (maybe they called AA filters). There are
two of them ATM: Box and Gaussian. And Bitmap filters are Smart, Cubic,
Closest and Linear.

2015-08-06 18:01 GMT+03:00 Nathan Vegdahl <cessen at cessen.com>:

> IIRC Cycles uses "filter importance sampling" to do its sample filtering.
> This has some advantages, but one of its disadvantages is that it doesn't
> work well with filters that have negative lobes (the resulting renders are
> very noisy).
>
> All the filters you mention have negative lobes, so although they
> technically could be implemented, my guess is that they won't be.  It would
> be very unexpected behavior to a user if they switched filters and suddenly
> their image was twice as noisey.
>
> --Nathan
> On Aug 6, 2015 7:38 AM, "Yury Baranov" <cucumberer at gmail.com> wrote:
>
>> Hi. Is it planned to make more sample filtering options like catmull-rom,
>> sinc, lanczos etc.? Maybe more filtering options for bitmaps will be good,
>> too.
>>
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>>
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