[GEM-dev] pix_crop y coordinates
IOhannes m zmoelnig
zmoelnig at iem.at
Thu Mar 18 09:24:48 CET 2010
On 2010-03-17 22:22, Matteo Sisti Sette wrote:
> Hi,
>
> I'm realising that pix_crop x/y coordinates work as follows:
>
> - x grows from left to right
> - y grows from bottom to top
>
> Isn't it a bit weird (the y part)? I know coordinate systems are always
> arbitrary but, aren't digital images rows almost universally counted
> from top to bottom? Isn't that even how they are stored in image files
> and memory?
no. in openGL pixes are bottom up.
fmgasdr
IOhannes
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