Am 09.08.2016 um 11:56 schrieb pkrskr:
>>
>> No, that's a misunderstanding there. The pinhole ray is also traced
>> through the center of the /virtual/ aperture.
> 
> Okay. So it seems like in the illustration you provided earlier, the red ray
> should be corrected to pass through the center of the virtual aperture and not
> the real aperture, since it represents the pinhole ray.

No, the illustration is correct in that the _refracted_ red ray passes
through the center of the _real_ aperture, while the _unrefracted_ red
ray (shown semi-transparent) passes through the center of the _virtual_
aperture.

> And then it seems like
> the jitter is applied around the location of the pinhole?

Yes.

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