P3Dv4 Clouds and AA

[Gregg_Seipp 568]

Just now, J van E said:

Er...? I think that is due to the fact the real world isn't built of pixels. A screen is. Hence you need AA. Of course the real world doesn't need AA... Or am I misunderstanding your post?

I think you understand it.  Right, the real world isn't built of pixels but the image of a digital camera is.  The digital image from the camera is then displayed on a digital screen and it looks great.  It's that analog step between the things in the picture and the camera sensor that make the difference.  Instead of the edge of an object being assigned at pixel X1 or X2, it's just color at that point, blended into both without any digital processing cost necessary.  Makes me wonder if, someday, a piece of digital-to-analog-to-digital hardware might eliminate the need for AA entirely.  Anyway, all of this is off topic.

[Guest]

Ah, ok... Hm, without going into details (I wonder if all of what you say is correct) I do think that in the end it all depends on resolution. No digital-analog-digital hardware is needed. That isn't the solution. To put it a bit (well, very) simplistic: the eye also has some sort of resolution. I read you could somehow say that would be around 400 to 600 MP. (You can't really put it like this but well.) An HD screen has a rather low 2 MP. You still need AA for that. A 4K monitor has an MP of around 8. You need far less AA with that one. Imagine a screen having the same (sort of) resolution as an eye, let's say 400 MP to stay on the low side: I am sure a screen like that won't need AA. It is all a matter of pixels... and time. 

It is OT indeed but still connected and relevant, I think. 

[Gregg_Seipp 568]

1 hour ago, J van E said:

Ah, ok... Hm, without going into details (I wonder if all of what you say is correct) I do think that in the end it all depends on resolution. No digital-analog-digital hardware is needed. That isn't the solution. To put it a bit (well, very) simplistic: the eye also has some sort of resolution. I read you could somehow say that would be around 400 to 600 MP. (You can't really put it like this but well.) An HD screen has a rather low 2 MP. You still need AA for that. A 4K monitor has an MP of around 8. You need far less AA with that one. Imagine a screen having the same (sort of) resolution as an eye, let's say 400 MP to stay on the low side: I am sure a screen like that won't need AA. It is all a matter of pixels... and time. 

It is OT indeed but still connected and relevant, I think. 

Your points are good ones. If you think about it, though, a 4K TV is very capable of showing a movie in super-sharp clarity.  So, while a higher resolution display is going to help, there's something fishy about how the video card creates and then 'sees through a lens' what it created.  The crappiness of that piece is what causes us to have to use AA.