[PD] [pix_crop] offY incoherence
matju at artengine.ca
Mon Jun 7 02:12:14 CEST 2010
On Sun, 6 Jun 2010, patko wrote:
> hello, why [pix_crop] y is offsetting from the lower left, when [gemmouse] (or logic) is starting from the highest left?
For the same reason that GridFlow usually uses (y x) and sometimes (x y) :
it's because of conflicting standards.
There's worse : if you've read books involving spherical coordinates,
you'll see that there are perhaps at least five different conventions in
concurrent use... varying according to whether latitude is signed or
unsigned ("colatitude") and the six possible orderings of three variables.
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| Mathieu Bouchard, Montréal, Québec. téléphone: +1.514.383.3801
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