How Does David Hockney increase image size?

drawing application for iOS,
records drawing process to video
Brushes video export
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caro J
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Joined: Sat Apr 02, 2016 3:42 am
My devices: iPad
Flag: Australia

How Does David Hockney increase image size?

Post by caro J » Sat Apr 02, 2016 4:00 am

As most of you may know, David Hockney enlarges his famous iPad drawings to fit enormous walls at the Royal Academy, london.
Does anyone know how to increase pixillation or a file size to the extent he does so that he can print them at huge scales without graininess?
I am not a techno person, so the answer needs to be in lay persons terms.

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