Chris Barker wrote:
> Hi all,
>
> I usually use MPL embedded in wx, so I haven't noticed these before
> but with the pylab window:
>
> 1) A couple icons seem to be missing. See screenshot enclosed.
I believe that's the way disabled buttons are drawn on Windows (or
perhaps we need to provide disabled versions of the bitmaps on
Windows). Do they appear after you have panned/zoomed the plot?
>
> 2) The save button doesn't work, as I get a "cannot return std::string
> from a Unicode object" error. This is with a unicode build of
> wxPython. I've had this same problem with my code. This issue is that
> the savefig code can't handle unicode (regular old fopen, I think).
> Here are two solutions:
>
> 1) use:
>
> filename.encode('ASCII', 'replace')
>
> on the string before using it, so that you'll get an odd name with
> non-ascii charactors but at least it will work.
That seems undesirable -- you'll end up with a filename with question
marks in it.
>
> 2) Use:
> F.savefig(open(path, "w"), dpi=dpi)
This is exactly what matplotlib the *Agg backends do on the 0.91.x
maintenance branch and the trunk. Unfortunately, 0.91.2 (the latest
release) still has this bug. This may be reason enough to push out a
new maintenance release of 0.91.x, but I say that having done it before ;)
>
> Python's open allows unicode filenames, and I was told that recent
> versions of MPL can take a file, rather than just aname, without an
> unacceptable performance hit, though in my code, without the latest
> MPL, I get an invalid PNG.
Which version of MPL produces an invalid PNG? I'd like to track that
down. It may be Windows-specific.
Cheers,
Mike
>
>
>
>
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>
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--
Michael Droettboom
Science Software Branch
Operations and Engineering Division
Space Telescope Science Institute
Operated by AURA for NASA
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