[Numpy-discussion] Matlab/Numpy index order
Tue May 12 15:47:51 CDT 2009
On Tue, May 12, 2009 at 15:32, Chris Colbert <email@example.com> wrote:
> This is interesting.
> I have always done RGB imaging with numpy using arrays of shape (height,
> width, 3). In fact, this is the form that PIL gives when calling
> np.asarray() on a PIL image.
> It does seem more efficient to be able to do a,a,a to get the R, G,
> and B channels respectively. This, obviously is not currently the case.
It's not *that* much more efficient.
> Would it be better for me to switch to this way of doing things and/or work
> a patch for PIL so that the array is built in the form (3, height, width)?
Submitting a patch for PIL would neither be successful, nor worth your
time. Not to mention breaking existing code.
"I have come to believe that the whole world is an enigma, a harmless
enigma that is made terrible by our own mad attempt to interpret it as
though it had an underlying truth."
-- Umberto Eco
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