[Matplotlib-users] [ANN] GSOC project needs student with technical matplotlib software dev proficiency

[Rob Clewley]

Dear matplotlib users,

The INCF (incf.org) is sponsoring two Google Summer of Code projects
this year that will directly benefit PyDSTool (pydstool.sf.net), a
math modeling toolbox for science and engineering that some of you
will know. One, if not both, of the projects will involve significant
technical usage of MPL's 2D GUI widgets as well as building new types
of model visualization tools over MPL. MPL has been chosen to maximize
platform independence and minimize reliance on additional user
installation of third party libraries, and is well suited for the
prototyping of application front ends for research code.

Please forward to anyone who might be interested in participating:

http://incf.org/gsoc/2015/proposals/#-span--spannbsp---span---span--span-neuroscience-model-exploration-and-development-tools-for-pydstool--span-

http://www.google-melange.com/gsoc/homepage/google/gsoc2015

Thanks,
Rob

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Re: [Matplotlib-users] Bug in matplotlib 1.4.2

[Eric Firing]

On 2015/02/09 8:19 AM, Thomas Caswell wrote:
> Can you test with 1.4.3rc1?  I believe this has been fixed.

Oops!  Of course--I never use ',', and I was forgetting that it *is* 
just one pixel.

Eric

>
> On Mon Feb 09 2015 at 1:07:28 PM Alex Böhnert  > wrote:
>
> Dear all,
>
> when plotting scattered data with the "," marker, the data points do
> not show up either on screen (Qt4Agg backend) or in saved bitmap
> images (tested with png); they do show up if the plot is exported as
> pdf.
>
> Example code (run in "ipython --pylab" for simplicity):
>
> import numpy as np
> a = np.random.standard_normal(500)
> b = np.random.standard_normal(500)
> plot(a,b,',')
> savefig("testplot.png")
> savefig("testplot.pdf")
>
> Expected result: Scatter plot of random data points, both on screen
> and in saved files.
>
> Actual result: Empty-looking plot both on screen and in png, but
> plot as expected in pdf.
>
> System info: Arch linux, Kernel 3.17.6 (and 3.18.6), matplotlib
> version 1.4.2, Python 3.4.2, IPython 2.3.1., numpy version 1.9.1,
> Qt4Agg backend.
>
> Related: I posted this to the arch-bugtracker
> (https://bugs.archlinux.org/task/43392) and asked on stack overflow
> whether anyone else saw this
> 
> (http://stackoverflow.com/questions/28112916/python-matplotlib-does-not-display-data-points-bug-or-something-else).
> Apparently, the same thing happens in Ubuntu, too.
>
> Hope this is the right place to report this.
>
> Cheers,
> Alex
>
> P.S.: I sent the same mail to the list a few weeks ago without
> registering, but it was never posted, nor replied to. It might be a
> good idea not to suggest at
> http://matplotlib.org/faq/troubleshooting_faq.html#getting-help that
> just sending a mail to the list will achieve anything...
> 
> --__--__--
> Dive into the World of Parallel Programming. The Go Parallel Website,
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> is your
> hub for all things parallel software development, from weekly thought
> leadership blogs to news, videos, case studies, tutorials and more.
> Take a
> look and join the conversation now.
> http://goparallel.sourceforge.__net/
> 
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>
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>
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> sponsored by Intel and developed in partnership with Slashdot Media, is your
> hub for all things parallel software development, from weekly thought
> leadership blogs to news, videos, case studies, tutorials and more. Take a
> look and join the conversation now. http://goparallel.sourceforge.net/
>
>
>
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>


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Re: [Matplotlib-users] Bug in matplotlib 1.4.2

[Dekalog]

Thomas Caswell wrote
> Can you test with 1.4.3rc1?  I believe this has been fixed.

I just built 1.4.3-rc1 (from the Download page->other Downloads ->
Older/mics) from source. It seems to indeed be fixed there.

Thanks a lot!




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Re: [Matplotlib-users] Bug in matplotlib 1.4.2

[Eric Firing]

On 2015/02/09 8:19 AM, Thomas Caswell wrote:
> Can you test with 1.4.3rc1?  I believe this has been fixed.

I don't think so.  I can reproduce it on master.  Regardless of the "ms" 
kwarg, I see only a pixel.

Eric

>
> On Mon Feb 09 2015 at 1:07:28 PM Alex Böhnert  > wrote:
>
> Dear all,
>
> when plotting scattered data with the "," marker, the data points do
> not show up either on screen (Qt4Agg backend) or in saved bitmap
> images (tested with png); they do show up if the plot is exported as
> pdf.
>
> Example code (run in "ipython --pylab" for simplicity):
>
> import numpy as np
> a = np.random.standard_normal(500)
> b = np.random.standard_normal(500)
> plot(a,b,',')
> savefig("testplot.png")
> savefig("testplot.pdf")
>
> Expected result: Scatter plot of random data points, both on screen
> and in saved files.
>
> Actual result: Empty-looking plot both on screen and in png, but
> plot as expected in pdf.
>
> System info: Arch linux, Kernel 3.17.6 (and 3.18.6), matplotlib
> version 1.4.2, Python 3.4.2, IPython 2.3.1., numpy version 1.9.1,
> Qt4Agg backend.
>
> Related: I posted this to the arch-bugtracker
> (https://bugs.archlinux.org/task/43392) and asked on stack overflow
> whether anyone else saw this
> 
> (http://stackoverflow.com/questions/28112916/python-matplotlib-does-not-display-data-points-bug-or-something-else).
> Apparently, the same thing happens in Ubuntu, too.
>
> Hope this is the right place to report this.
>
> Cheers,
> Alex
>
> P.S.: I sent the same mail to the list a few weeks ago without
> registering, but it was never posted, nor replied to. It might be a
> good idea not to suggest at
> http://matplotlib.org/faq/troubleshooting_faq.html#getting-help that
> just sending a mail to the list will achieve anything...
> 
> --__--__--
> Dive into the World of Parallel Programming. The Go Parallel Website,
> sponsored by Intel and developed in partnership with Slashdot Media,
> is your
> hub for all things parallel software development, from weekly thought
> leadership blogs to news, videos, case studies, tutorials and more.
> Take a
> look and join the conversation now.
> http://goparallel.sourceforge.__net/
> 
> _
> Matplotlib-users mailing list
> Matplotlib-users@lists.__sourceforge.net
> 
> https://lists.sourceforge.net/__lists/listinfo/matplotlib-__users
> 
>
>
>
> --
> Dive into the World of Parallel Programming. The Go Parallel Website,
> sponsored by Intel and developed in partnership with Slashdot Media, is your
> hub for all things parallel software development, from weekly thought
> leadership blogs to news, videos, case studies, tutorials and more. Take a
> look and join the conversation now. http://goparallel.sourceforge.net/
>
>
>
> ___
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>


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hub for all things parallel software development, from weekly thought
leadership blogs to news, videos, case studies, tutorials and more. Take a
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Re: [Matplotlib-users] Bug in matplotlib 1.4.2

[Thomas Caswell]

Can you test with 1.4.3rc1?  I believe this has been fixed.

On Mon Feb 09 2015 at 1:07:28 PM Alex Böhnert 
wrote:

> Dear all,
>
> when plotting scattered data with the "," marker, the data points do not
> show up either on screen (Qt4Agg backend) or in saved bitmap images (tested
> with png); they do show up if the plot is exported as pdf.
>
> Example code (run in "ipython --pylab" for simplicity):
>
> import numpy as np
> a = np.random.standard_normal(500)
> b = np.random.standard_normal(500)
> plot(a,b,',')
> savefig("testplot.png")
> savefig("testplot.pdf")
>
> Expected result: Scatter plot of random data points, both on screen and in
> saved files.
>
> Actual result: Empty-looking plot both on screen and in png, but plot as
> expected in pdf.
>
> System info: Arch linux, Kernel 3.17.6 (and 3.18.6), matplotlib version
> 1.4.2, Python 3.4.2, IPython 2.3.1., numpy version 1.9.1, Qt4Agg backend.
>
> Related: I posted this to the arch-bugtracker (
> https://bugs.archlinux.org/task/43392) and asked on stack overflow
> whether anyone else saw this (
> http://stackoverflow.com/questions/28112916/python-matplotlib-does-not-display-data-points-bug-or-something-else).
> Apparently, the same thing happens in Ubuntu, too.
>
> Hope this is the right place to report this.
>
> Cheers,
> Alex
>
> P.S.: I sent the same mail to the list a few weeks ago without
> registering, but it was never posted, nor replied to. It might be a good
> idea not to suggest at
> http://matplotlib.org/faq/troubleshooting_faq.html#getting-help that just
> sending a mail to the list will achieve anything...
> 
> --
> Dive into the World of Parallel Programming. The Go Parallel Website,
> sponsored by Intel and developed in partnership with Slashdot Media, is
> your
> hub for all things parallel software development, from weekly thought
> leadership blogs to news, videos, case studies, tutorials and more. Take a
> look and join the conversation now. http://goparallel.sourceforge.net/
> ___
> Matplotlib-users mailing list
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> https://lists.sourceforge.net/lists/listinfo/matplotlib-users
>
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[Matplotlib-users] Bug in matplotlib 1.4.2

[Alex Böhnert]

Dear all,

when plotting scattered data with the "," marker, the data points do not
show up either on screen (Qt4Agg backend) or in saved bitmap images (tested
with png); they do show up if the plot is exported as pdf.

Example code (run in "ipython --pylab" for simplicity):

import numpy as np
a = np.random.standard_normal(500)
b = np.random.standard_normal(500)
plot(a,b,',')
savefig("testplot.png")
savefig("testplot.pdf")

Expected result: Scatter plot of random data points, both on screen and in
saved files.

Actual result: Empty-looking plot both on screen and in png, but plot as
expected in pdf.

System info: Arch linux, Kernel 3.17.6 (and 3.18.6), matplotlib version
1.4.2, Python 3.4.2, IPython 2.3.1., numpy version 1.9.1, Qt4Agg backend.

Related: I posted this to the arch-bugtracker (
https://bugs.archlinux.org/task/43392) and asked on stack overflow whether
anyone else saw this (
http://stackoverflow.com/questions/28112916/python-matplotlib-does-not-display-data-points-bug-or-something-else).
Apparently, the same thing happens in Ubuntu, too.

Hope this is the right place to report this.

Cheers,
Alex

P.S.: I sent the same mail to the list a few weeks ago without registering,
but it was never posted, nor replied to. It might be a good idea not to
suggest at http://matplotlib.org/faq/troubleshooting_faq.html#getting-help
that just sending a mail to the list will achieve anything...
--
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sponsored by Intel and developed in partnership with Slashdot Media, is your
hub for all things parallel software development, from weekly thought
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