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A comment on WebKit Limit on Retina JPG Image Display. Parent comment

Re:WebKit Limit on Retina JPG Image Display by eurleif on Thursday March 22, 2012 @11:37AM (#3740174)
>BTW, iPhone 4 is a 3.5 inch 640×960 resolution (326 ppi).

But the new iPad is 264 PPI.

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Re:WebKit Limit on Retina JPG Image Display by brianpan on Thursday March 22, 2012 @01:55PM (#3741057)
I included the screen size, because it's a proxy for working distance, and thus pixel density per viewing angle.

http://punchingin.com/chasing-the-6-4-megapixel-unicorn/

http://www.codinghorror.com/blog/2012/03/welcome-to-the-post...

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Re:WebKit Limit on Retina JPG Image Display by davidmp on Thursday March 22, 2012 @11:42AM (#3740202)
iPad is "retina" at a viewing distance of 15 inches. iPhone is "retina" at a viewing distance of 10 inches.

Pixel density is only half the equation.

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