Re: [matplotlib-devel] colorbar edges in white for PDF output

[Andrew D. <aj...@gm...>]

It is possible I have spoken too soon. It certainly fixes the specific
issue I was having, however I am now getting serious issues with a plot
that uses the basemap toolkit. The contours and coastlines extend way
beyond the plot boundaries. I've put links to before and after plots from
something I'm working on, I don't have time to do a clean test script
tonight though.

I don't know if this is a matplotlib issue or something to do with
basemap... some thought is probably required on this one.

http://dl.dropbox.com/u/4496818/bad.pdf
http://dl.dropbox.com/u/4496818/good.pdf

Andrew


On 1 November 2012 16:02, Andrew Dawson <da...@at...> wrote:

> Yes this seems to work for me.
>
>
> On 1 November 2012 15:25, Michael Droettboom <md...@st...> wrote:
>
>>  I now have a fix attached to that issue.  Andrew: can you confirm it
>> works for you?
>>
>> Mike
>>
>>
>> On 11/01/2012 09:06 AM, Michael Droettboom wrote:
>>
>> I've filed an issue for this here:
>>
>> https://github.com/matplotlib/matplotlib/issues/1444
>>
>> Mike
>>
>> On 10/31/2012 12:20 PM, Andrew Dawson wrote:
>>
>> Hi all,
>>
>>  I just noticed that colorbar edges are drawn in white when output in
>> PDF and black when output in PNG. A small test script is attached along
>> with the output to show the difference.
>>
>>  I'd be interested in knowing if others can reproduce this? I'm using
>> mpl-1.3.x (updated 5 minutes ago) on 64-bit Ubuntu 12.04.
>>
>>  Cheers,
>> Andrew
>>
>> bug.py
>>
>> import matplotlib.pyplot as plt
>> import numpy as np
>>
>> # dummy data
>> x = y = np.linspace(-np.pi, np.pi, 50)
>> X, Y = np.meshgrid(x, y)
>> Z = np.sin(X) * np.cos(2.*Y)
>>
>> # draw a filled contour plot and add a colorbar with drawedges turned on
>> contours = plt.contourf(x, y, Z)
>> cb = plt.colorbar(orientation='horizontal', drawedges=True)
>>
>> # turn off tick marks so the edges can be seen
>> for tick in cb.ax.get_xticklines() + cb.ax.get_yticklines():
>>     tick.set_visible(False)
>>
>> # save as a PDF and a PNG
>> plt.savefig('test.pdf')
>> plt.savefig('test.png')
>>
>>
>>
>>
>>
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>
>
> --
> Dr Andrew Dawson
> Atmospheric, Oceanic & Planetary Physics
> Clarendon Laboratory
> Parks Road
> Oxford OX1 3PU, UK
> Tel: +44 (0)1865 282438
> Email: da...@at...
> Web Site: http://www2.physics.ox.ac.uk/contacts/people/dawson
>
>