Thanks! Using pcolor indeed solved the problem. Now my rows and columns are all
nice and even.
Best,
-Michiel.
________________________________
From: Benjamin Root <ben.r...@ou.edu>
To: Michael Droettboom <md...@stsci.edu>
Cc: Matplotlib Users <matplotlib-users@lists.sourceforge.net>
Sent: Friday, June 7, 2013 1:40 AM
Subject: Re: [Matplotlib-users] matshow unequal element sizes
On Thu, Jun 6, 2013 at 10:14 AM, Michael Droettboom <md...@stsci.edu> wrote:
By default (when interpolation="nearest") matplotlib is performing nearest
neighbor interpolation on the image to the request PDF dpi before storing it in
the file. This results in rows and columns of unequal size because the ratio
from the original image to the destination resolution is likely not integral.
>
>You can set interpolation="none", which will pass the original
image as-is on to the file, but then we can't control the
interpolation mode (since there's no way to tell the PDF viewer
what sort of interpolation to perform), so that (usually) will
result in bicubic interpolation, which is probably not what you
want.
>
>Mike
>
>
From experience, it seems that pcolor() or pcolormesh() works best for pdf's
because it saves the polygons. You might need some tweaking to get it exactly
right, but at least the pdf viewer won't smudge it all out.
Cheers!
Ben Root
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