Hi all,
I've been experimenting with the NonUniformImage class. (Actually I want
*uniform* pixel spacing, but I want the image x and y coordinates to have
the correct *scaling* in the style of Matlab's image(x,y,C). The AxesImage
class, created via pylab.imshow, didn't seem to offer that, so I landed on
NonUniformImage, but if there's a better solution I'd be grateful for
tips...)
And here's the problem (or bug?): with my Python 2.5.4 and my matplotlib
1.0, I go and run the
http://matplotlib.sourceforge.net/examples/pylab_examples/image_nonuniform.html
gallery demo but I decide that I want the y axis reversed (as is common in
image visualization). So I either call pylab.gca().invert_yaxis() at the
end, or I change one of the lines that says
ax.set_ylim(-4,4)
to read
ax.set_ylim(4,-4)
which I believe is the approved method. However the result I get is
non-sensical: no more image variation in the vertical direction. Can anyone
tell me what, if anything, I'm doing wrong?
Grateful for any hints, --jez
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