In the examples/pylab_examples/custom_cmap.py example, I am seeing a
pixel red border, eg colored red on the top border of the middle
subplot, where it looks like it should be blue. Image attached. Is
this an artifact of the breakpoint of the colormap, or a true
rendering bug?
JDH
I don't think it's a rendering bug. The entire first row of data is 0.0 and -0.0, which maps to red. The real solution would be to map 0 and -0.0 to different colors, but that's insane 
The rendering bug that bothers me, however, is the misalignment of the ticks to the colors in the color bar. I'm sure it's somehow related to the pixel-rounding in the Agg backend. I'll see if I can find an obvious fix for this. If it looks questionable, I'll wait until after the release.
Cheers,
Mike
John Hunter wrote:
In the examples/pylab_examples/custom_cmap.py example, I am seeing a
pixel red border, eg colored red on the top border of the middle
subplot, where it looks like it should be blue. Image attached. Is
this an artifact of the breakpoint of the colormap, or a true
rendering bug?JDH
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Michael Droettboom
Science Software Branch
Operations and Engineering Division
Space Telescope Science Institute
Operated by AURA for NASA
Since this would be a bug-fix, I prefer to get it in before the
release, if possible:-) So if you have time to look at it, that would
be great. Charlie doesn't usually have time during the day to do the
builds, so it would be tonight at the earliest, which should give us a
little time to test any changes.
Thanks,
JDH
On Mon, Dec 8, 2008 at 8:16 AM, Michael Droettboom <mdroe@...31...> wrote:
I don't think it's a rendering bug. The entire first row of data is 0.0 and
-0.0, which maps to red. The real solution would be to map 0 and -0.0 to
different colors, but that's insaneThe rendering bug that bothers me, however, is the misalignment of the ticks
to the colors in the color bar. I'm sure it's somehow related to the
pixel-rounding in the Agg backend. I'll see if I can find an obvious fix
for this. If it looks questionable, I'll wait until after the release.
This should now be fixed in SVN. Couldn't see any regressions in the documentation examples, but may be worth another set of eyes before the release.
Mike
John Hunter wrote:
On Mon, Dec 8, 2008 at 8:16 AM, Michael Droettboom <mdroe@...31...> wrote:
I don't think it's a rendering bug. The entire first row of data is 0.0 and
-0.0, which maps to red. The real solution would be to map 0 and -0.0 to
different colors, but that's insaneThe rendering bug that bothers me, however, is the misalignment of the ticks
to the colors in the color bar. I'm sure it's somehow related to the
pixel-rounding in the Agg backend. I'll see if I can find an obvious fix
for this. If it looks questionable, I'll wait until after the release.
Since this would be a bug-fix, I prefer to get it in before the
release, if possible:-) So if you have time to look at it, that would
be great. Charlie doesn't usually have time during the day to do the
builds, so it would be tonight at the earliest, which should give us a
little time to test any changes.Thanks,
JDH
--
Michael Droettboom
Science Software Branch
Operations and Engineering Division
Space Telescope Science Institute
Operated by AURA for NASA