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Old 21st February 2015, 16:10   #11  |  Link
Shiandow
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Join Date: Dec 2013
Posts: 753
Quote:
Originally Posted by Arm3nian View Post
Maybe madshi can explain why he calls it image doubling, I'm sure he has his reasons. Probably because to properly double an image, you would have to change the horizontal and vertical together, it would make no sense to say I doubled a 1920x1080 image to 3840x1080 even though the amount of pixels is 2x.
To 'properly' double an image in that sense is impossible since √2 is irrational. Anyway, in almost all cases it is easier to talk about the scaling factor instead of the ratio of pixels. This also corresponds more closely to the technical meaning of resolution which is measured in pixels per inch.
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