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So, you made it to the middle of the second page? Anti-aliasing is a direct result of the fact that pixels are point-samples--the idea is to combine multiple s
by angersock 12y ago
So, you made it to the middle of the second page?
Anti-aliasing is a direct result of the fact that pixels are point-samples--the idea is to combine multiple samples and weight them so that the collection of point samples (in the form of a frame buffer) still represents a perceptually-reasonable form of the image.
- davrosthedalek 12y agoSorry, but you got it backwards. Exactly because pixels are /not/ point samples, but have an area, point sampling does not work, and you need anti-aliasing. In the limit of infinite resolution/area of the pixels gets infinitely small, point-sampling would be enough. You say it yourself: Since solving the integration over the pixel area is generally hard, we approximate the integration with multiple point samples.
- angersock 12y agoHm, I think I see the point you're getting at. It's still a good paper. :)