On Fri, Aug 13, 2010 at 12:11 PM, Eric Firing <[email protected]> wrote:

> On 08/13/2010 06:20 AM, Benjamin Root wrote:
> >
> >
> > On Thu, Aug 12, 2010 at 3:58 PM, Eric Firing <[email protected]
> > <mailto:[email protected]>> wrote:
> >
> >     On 08/12/2010 09:56 AM, Benjamin Root wrote:
> >
> >      > Btw, the current set of tests has a failure for testing
> pcolormesh.
> >      > Wasn't there a change fairly recently to fix a problem with
> >     pcolormesh,
> >      > so that the test image should now be updated?
> >
> >     Mike did update the images a couple weeks ago, and when I run the
> tests,
> >     I don't get that failure.  Is it possible that you have not done a
> clean
> >     rebuild and install since Mike's changes?
> >
> >     Eric
> >
> >
> > Visually, I can't see the difference between the expected and the
> > generated images, but the test system is reporting a RMS of 116.512.  I
> > have tried completely clean installs of the trunk version of
> > matplotlib.  The same happens for completely clean installs of the
> > maintenance branch as well.
>
> This may be a limitation of the test system, then.  I think that
> differences in external libraries can cause subtle output differences,
> triggering a false failure alarm.  Maybe the tolerance needs to be
> increased for this particular test.
>
> Eric
>
>
Or maybe there is a bug in how it is calculating the differences?  I am
flipping back and forth between the images in eog and I can't figure out
what is different.

Ben Root
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