Re: [Yafray-devel] Re: Antialiasing idea

[Alejandro Conty Estevez]

> Can you point me to the related files to see how yafray does it?
> scene.*, buffer.*, camera.*, what more? Any doc? I am trying to
> understand how all works (if unable to get anything better, at least I
> learn something).

The sample points are generated by the camera in camera.cc And the
sampling and mixing is done in scene.cc method doPass.

> 
> > 2) We sample from the center to the corners, in my experiments it turned
> > out to be better cause since it's adaptive it can stop sampling at any
> > any point in the grid. Does not need to sample an entire subdivision level, 
> > and still looks nice. This is very useful when you use AA to smooth noise 
> > in a pathlight scene, saves some time.
> 
> What do you mean exactly? Sorry, but I do not get the idea about that,
> you seem to check the value of a pixel with the neighbors, right? And

Yes, I test the pixel with neighbors, and if the diff is greater than
"tolerance" then another sample is token and mixed with the current
pixel. And the samples are inside the pixel.