From kahnchana at gmail.com  Sat Apr  1 04:54:08 2017
From: kahnchana at gmail.com (Kanchana Ranasinghe)
Date: Sat, 1 Apr 2017 14:24:08 +0530
Subject: [Matplotlib-devel] GSoC 2017: Layout Manager
In-Reply-To: <CAJiQNkMKAE_KM9LMN5Fz3vwqATOP46tsGQCSovYz+ykP+0-cfg@mail.gmail.com>
References: <CAJiQNkPqGXNrnddFF5-8uUS23S9wEDhL+z3qbjZDu1zB_o99=w@mail.gmail.com>
 <CAOuQ7j0JrA55U1MT40Fac4vUS4h_+__KeQuLadWoprG7tOLkEQ@mail.gmail.com>
 <CAJiQNkPadHw2MEhMqisL6tacdP6Np10kVa-vb0XJ4dg8sYW6BQ@mail.gmail.com>
 <CAOuQ7j08PYAwwpk+n_OAQYCzgZtOCDB7NAdziOhTZbYO+8b6aQ@mail.gmail.com>
 <CAJiQNkN8AcWiYWHy=VroFA+4m_64FZukpF8A2bRVNYmuKb08Ow@mail.gmail.com>
 <CAOuQ7j0zcX6n9-vWi3mCZfxLnT_bFocKZ4nXo8yT8jxv9LVeZQ@mail.gmail.com>
 <CAJiQNkMmXeinETXPZpaGEKNHJ-aYQXzOrWX6+NRsjwtpg-3Tyw@mail.gmail.com>
 <CAJiQNkNKaEieX19M4qWJxFyjvmHADg9tHvzOrWstgAt8EaA1AA@mail.gmail.com>
 <CAJiQNkNwQaR-7wwazxjN7bM+g7NeRjnJr5SfGN-PkW4EXZ4Xbw@mail.gmail.com>
 <CAJiQNkNhfGmCcKWcZCoY0MrHk5_NiZ9GcN1YRB3b0D9PW1jaSw@mail.gmail.com>
 <CAOuQ7j0bmu32aOCu7Ocz=mprFBV7rFuVd4xKGsS15c1bsVFjqw@mail.gmail.com>
 <CAJiQNkPfeuhqXHstZiOK2Cn7HRuVt3eBH3A7q=p2NYOvuEiXEw@mail.gmail.com>
 <CAOuQ7j2Gg1sUqRKA3enaoHL1ZRcz1ouQdBCHUkr9d5wo+wjB3A@mail.gmail.com>
 <CAJiQNkMKAE_KM9LMN5Fz3vwqATOP46tsGQCSovYz+ykP+0-cfg@mail.gmail.com>
Message-ID: <CAJiQNkMWQ73fUYLRPmHoJsYLUXkez0cPNOBzUkGJoKBOkcorFg@mail.gmail.com>

Hi,

Really sorry for constantly troubling you over the weekend. Another small
question about something I'm confused about. Regarding categorical data
support for the norm and cmap functions.

Currently, norm maps numerical data to [0,1] interval and cmap assigns
different colors to each point of [0,1] interval. This integrates with the
various scalarMappables to plot data. In making categorical units support,
norm will map strings to [0,1] interval and cmaps will remain the same. Is
this correct?

Thank you

With Regards
Kanchana Ranasinghe


On Fri, Mar 31, 2017 at 11:38 PM, Kanchana Ranasinghe <kahnchana at gmail.com>
wrote:

> Thanks a lot. I got it.
>
> With Regards
> Kanchana Ranasinghe
>
>
> On Fri, Mar 31, 2017 at 11:34 PM, Hannah <story645 at gmail.com> wrote:
>
>> Kind of? I think we may be talking about the same thing from different
>> angles. I'm thinking about any function that takes in (and therefore
>> returns) a cmap & norm that can then be passed into scalerMappables to make
>> a colorbar. This includes stuff like imshow, matshow, pcolor, pcolormesh,
>> scatter, and probably others.
>>
>
>
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From tcaswell at gmail.com  Sat Apr  1 16:22:50 2017
From: tcaswell at gmail.com (Thomas Caswell)
Date: Sat, 01 Apr 2017 20:22:50 +0000
Subject: [Matplotlib-devel] Confusion about draw_artist
In-Reply-To: <CAH6Pt5rnHCPCVPCtOeu-CdrrGEPRVyP6nkaX0JOx+G5QEaFXHQ@mail.gmail.com>
References: <CAH6Pt5pNcbAHONKuvDs6gwcLFhdnwoXtiDq-wNsNRPMO373faA@mail.gmail.com>
 <CAA48SF_RCrwUm8LBj0JNYdM+q28TJXkBnzaZaYs-b-c5V4_i6w@mail.gmail.com>
 <CAH6Pt5rVrn-MOySuEr=YRrwFRMDxAQRHL71ChXGu4uny=y66Ow@mail.gmail.com>
 <CAH6Pt5qYQ-rL1LDb6MJ1JoOMAtw2YSJAOughSfz30LNYALGVTg@mail.gmail.com>
 <CAH6Pt5rnHCPCVPCtOeu-CdrrGEPRVyP6nkaX0JOx+G5QEaFXHQ@mail.gmail.com>
Message-ID: <CAA48SF-6nQ2ave=7a1-hW7T7WNt4p2fX7DVpos4JMrnv5GgVEg@mail.gmail.com>

The renderer is cached automatically the first time the figure is fully
rendered (typically delayed until it is shown on the screen).  If your
artist is not marked as animated, then just try..exect the call to
`draw_artist`, as the artist will be drawn as part of the normal draw
process when the figure is drawn.  If you have marked it as animated (which
you should if you are blitting) then you are going to need to have some
call backs in place for draw and resize events (as any 'animated' artists
will not be drawn if the figure is re-rendered from scratch by the GUI for
what ever reason and to re-grab the background if the window is resized) so
put the `draw_artist` in the callback (which comes out after the figure is
drawn so you will have a renderer at that point).

Tom

On Fri, Mar 24, 2017 at 10:27 AM Matthew Brett <matthew.brett at gmail.com>
wrote:

> On Fri, Mar 3, 2017 at 11:19 PM, Matthew Brett <matthew.brett at gmail.com>
> wrote:
> > Hi,
> >
> > On Thu, Jan 19, 2017 at 11:54 AM, Matthew Brett <matthew.brett at gmail.com>
> wrote:
> >> Hi,
> >>
> >> Sorry to keep displaying my confusion on this one but...
> >>
> >> On Wed, Jan 4, 2017 at 6:58 PM, Thomas Caswell <tcaswell at gmail.com>
> wrote:
> >>> Unless you have flagged the artist as `animated` (via `set_animated`
> or by
> >>> kwarg), it will be drawn as part of the next re-draw.
> >>
> >> Adding `set_animated` doesn't help in the example above;
> >>
> >> fig, ax = plt.subplots(1, 1)
> >> ax.set_animated(True)
> >> im = plt.imshow([[1, 2], [3, 4]])
> >> fig.canvas.draw()
> >> ax.draw_artist(im)
> >>
> >>> You are better off
> >>> just changing the `fig.canvas.draw()` to `fig.canvas.draw_idle()` and
> >>> letting the GUI decide when to re-draw things.
> >>
> >> Changing to `fig.canvas.draw_idle()` above doesn't prevent the error
> >> from `draw_artist`, but I guess I should not have expected it would.
> >> So I guess my question is - how do I use `draw_artist` in this case?
> >> Is there any way to make sure that the renderer is cached first?
> >>
> >>> If you want to get any performance gain from animated artists +
> draw_artist
> >>> you will need to use blitting (which will work with the OSX backend in
> 2.0).
> >>
> >> Yup, the real code does use blitting, but thanks for the reminder,
> >
> > Again - sorry to persist - but I'd be really grateful for any advice,
>
> Sorry - again again - but can I nose this one up towards the surface?
>
> Cheers,
>
> Matthew
>
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From tcaswell at gmail.com  Sat Apr  1 16:45:48 2017
From: tcaswell at gmail.com (Thomas Caswell)
Date: Sat, 01 Apr 2017 20:45:48 +0000
Subject: [Matplotlib-devel] https issues with github pages
In-Reply-To: <m2shmc75um.fsf@jks.iki.fi>
References: <CAA48SF-vpEF922VdXeU1KK9he8rGeJ0u5+UbTXSL-yYZ66TG3A@mail.gmail.com>
 <CAA48SF_ruQdrPcp0q5H=c=gm+gZ5jN+Xsc+AE6uO52vTE9BWmQ@mail.gmail.com>
 <m2shmc75um.fsf@jks.iki.fi>
Message-ID: <CAA48SF8LQwDWUyF-PVOd3zu-7cSAWKgs0Z0u4P-PRAtP68MVoA@mail.gmail.com>

Currently the shared credentials we have are in my lastpass vault and I
share on request.  Is there a better way to deal with this?

I have followed up on this in private email with Jouni and NF (who holds
the domain name).

Tom

On Fri, Mar 17, 2017 at 2:52 AM Jouni K. Sepp?nen <jks at iki.fi> wrote:

> Thomas Caswell <tcaswell at gmail.com> writes:
>
> > Heard back from github and they pointed us at:
> >
> >
> https://blog.cloudflare.com/secure-and-fast-github-pages-with-cloudflare/
> >
> > Any volunteers to take this on?  I suspect we will have to loop numfocus
> in
> > as well as they hold the matplotlib.org domain name.
>
> I have set up a CloudFlare front for another organization's GitHub
> pages, and did not find it difficult at all with all the instructions
> available online. I suspect that the hardest thing will be the
> management of credentials. Whoever does this will need access to the
> domain registrar to change the DNS records, and to our CloudFlare
> account (we'll need to set one up). *Then* these credentials need to be
> stored so that if there is some problem later and the person who does
> this now is not around to help, someone else can help. Also, when pages
> are changed on the site, it's useful to be able to invalidate CloudFlare
> caches.
>
> I'm willing to help, but I don't know where to store the passwords or
> who to talk to about the domain registrar. Do we have something in place
> for the credentials of existing accounts, such as the GitHub matplotlib
> account, our Twitter handle, etc?
>
> --
> Jouni K. Sepp?nen
> http://www.iki.fi/jks
>
> _______________________________________________
> Matplotlib-devel mailing list
> Matplotlib-devel at python.org
> https://mail.python.org/mailman/listinfo/matplotlib-devel
>
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From story645 at gmail.com  Sat Apr  1 21:03:42 2017
From: story645 at gmail.com (Hannah)
Date: Sat, 1 Apr 2017 21:03:42 -0400
Subject: [Matplotlib-devel] GSoC 2017: Layout Manager
In-Reply-To: <CAJiQNkMWQ73fUYLRPmHoJsYLUXkez0cPNOBzUkGJoKBOkcorFg@mail.gmail.com>
References: <CAJiQNkPqGXNrnddFF5-8uUS23S9wEDhL+z3qbjZDu1zB_o99=w@mail.gmail.com>
 <CAOuQ7j0JrA55U1MT40Fac4vUS4h_+__KeQuLadWoprG7tOLkEQ@mail.gmail.com>
 <CAJiQNkPadHw2MEhMqisL6tacdP6Np10kVa-vb0XJ4dg8sYW6BQ@mail.gmail.com>
 <CAOuQ7j08PYAwwpk+n_OAQYCzgZtOCDB7NAdziOhTZbYO+8b6aQ@mail.gmail.com>
 <CAJiQNkN8AcWiYWHy=VroFA+4m_64FZukpF8A2bRVNYmuKb08Ow@mail.gmail.com>
 <CAOuQ7j0zcX6n9-vWi3mCZfxLnT_bFocKZ4nXo8yT8jxv9LVeZQ@mail.gmail.com>
 <CAJiQNkMmXeinETXPZpaGEKNHJ-aYQXzOrWX6+NRsjwtpg-3Tyw@mail.gmail.com>
 <CAJiQNkNKaEieX19M4qWJxFyjvmHADg9tHvzOrWstgAt8EaA1AA@mail.gmail.com>
 <CAJiQNkNwQaR-7wwazxjN7bM+g7NeRjnJr5SfGN-PkW4EXZ4Xbw@mail.gmail.com>
 <CAJiQNkNhfGmCcKWcZCoY0MrHk5_NiZ9GcN1YRB3b0D9PW1jaSw@mail.gmail.com>
 <CAOuQ7j0bmu32aOCu7Ocz=mprFBV7rFuVd4xKGsS15c1bsVFjqw@mail.gmail.com>
 <CAJiQNkPfeuhqXHstZiOK2Cn7HRuVt3eBH3A7q=p2NYOvuEiXEw@mail.gmail.com>
 <CAOuQ7j2Gg1sUqRKA3enaoHL1ZRcz1ouQdBCHUkr9d5wo+wjB3A@mail.gmail.com>
 <CAJiQNkMKAE_KM9LMN5Fz3vwqATOP46tsGQCSovYz+ykP+0-cfg@mail.gmail.com>
 <CAJiQNkMWQ73fUYLRPmHoJsYLUXkez0cPNOBzUkGJoKBOkcorFg@mail.gmail.com>
Message-ID: <CAOuQ7j0x=_ALSxZd9novqK-y2Z2Nsa_eG_Od2n1EXHgk=pfceQ@mail.gmail.com>

Using the unit interface, CategoricalConvertor maps strings to numbers. If
unit support can be extended to more plotting functions, then the norm can
work directly in data space (so with strings). This means users can just
use a colormap without having to explicitly set a norm. A norm then would
just be used to specify which of the data to register and which to leave
out, or the data/color mapping-I started prototyping this in  one of the
PRs.

On Apr 1, 2017 4:54 AM, "Kanchana Ranasinghe" <kahnchana at gmail.com> wrote:

Hi,

Really sorry for constantly troubling you over the weekend. Another small
question about something I'm confused about. Regarding categorical data
support for the norm and cmap functions.

Currently, norm maps numerical data to [0,1] interval and cmap assigns
different colors to each point of [0,1] interval. This integrates with the
various scalarMappables to plot data. In making categorical units support,
norm will map strings to [0,1] interval and cmaps will remain the same. Is
this correct?

Thank you

With Regards
Kanchana Ranasinghe


On Fri, Mar 31, 2017 at 11:38 PM, Kanchana Ranasinghe <kahnchana at gmail.com>
wrote:

> Thanks a lot. I got it.
>
> With Regards
> Kanchana Ranasinghe
>
>
> On Fri, Mar 31, 2017 at 11:34 PM, Hannah <story645 at gmail.com> wrote:
>
>> Kind of? I think we may be talking about the same thing from different
>> angles. I'm thinking about any function that takes in (and therefore
>> returns) a cmap & norm that can then be passed into scalerMappables to make
>> a colorbar. This includes stuff like imshow, matshow, pcolor, pcolormesh,
>> scatter, and probably others.
>>
>
>
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From tcaswell at gmail.com  Sat Apr  1 23:49:40 2017
From: tcaswell at gmail.com (Thomas Caswell)
Date: Sun, 02 Apr 2017 03:49:40 +0000
Subject: [Matplotlib-devel] scipy 2017 sprints
Message-ID: <CAA48SF8X2Q+iAW8FE8Z26oKacPB=YEztt2oSetmw53kW25Vqmg@mail.gmail.com>

Folks,

Who is planning to attend SciPy2017?  (I am!).

Any volunteers to take point an leading a sprint at SciPy2017?  This year
they are offering financial aid to for sprint leaders (
https://docs.google.com/forms/d/e/1FAIpQLSddm5Y9jfPG-DwLT9Pr3MV7PmIFB7DVr6WcWUT9SexMVoVpMA/viewform?c=0&w=1
 ).

Tom
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From kahnchana at gmail.com  Sun Apr  2 03:13:11 2017
From: kahnchana at gmail.com (Kanchana Ranasinghe)
Date: Sun, 02 Apr 2017 07:13:11 +0000
Subject: [Matplotlib-devel] GSoC 2017: Layout Manager
In-Reply-To: <CAOuQ7j0x=_ALSxZd9novqK-y2Z2Nsa_eG_Od2n1EXHgk=pfceQ@mail.gmail.com>
References: <CAJiQNkPqGXNrnddFF5-8uUS23S9wEDhL+z3qbjZDu1zB_o99=w@mail.gmail.com>
 <CAOuQ7j0JrA55U1MT40Fac4vUS4h_+__KeQuLadWoprG7tOLkEQ@mail.gmail.com>
 <CAJiQNkPadHw2MEhMqisL6tacdP6Np10kVa-vb0XJ4dg8sYW6BQ@mail.gmail.com>
 <CAOuQ7j08PYAwwpk+n_OAQYCzgZtOCDB7NAdziOhTZbYO+8b6aQ@mail.gmail.com>
 <CAJiQNkN8AcWiYWHy=VroFA+4m_64FZukpF8A2bRVNYmuKb08Ow@mail.gmail.com>
 <CAOuQ7j0zcX6n9-vWi3mCZfxLnT_bFocKZ4nXo8yT8jxv9LVeZQ@mail.gmail.com>
 <CAJiQNkMmXeinETXPZpaGEKNHJ-aYQXzOrWX6+NRsjwtpg-3Tyw@mail.gmail.com>
 <CAJiQNkNKaEieX19M4qWJxFyjvmHADg9tHvzOrWstgAt8EaA1AA@mail.gmail.com>
 <CAJiQNkNwQaR-7wwazxjN7bM+g7NeRjnJr5SfGN-PkW4EXZ4Xbw@mail.gmail.com>
 <CAJiQNkNhfGmCcKWcZCoY0MrHk5_NiZ9GcN1YRB3b0D9PW1jaSw@mail.gmail.com>
 <CAOuQ7j0bmu32aOCu7Ocz=mprFBV7rFuVd4xKGsS15c1bsVFjqw@mail.gmail.com>
 <CAJiQNkPfeuhqXHstZiOK2Cn7HRuVt3eBH3A7q=p2NYOvuEiXEw@mail.gmail.com>
 <CAOuQ7j2Gg1sUqRKA3enaoHL1ZRcz1ouQdBCHUkr9d5wo+wjB3A@mail.gmail.com>
 <CAJiQNkMKAE_KM9LMN5Fz3vwqATOP46tsGQCSovYz+ykP+0-cfg@mail.gmail.com>
 <CAJiQNkMWQ73fUYLRPmHoJsYLUXkez0cPNOBzUkGJoKBOkcorFg@mail.gmail.com>
 <CAOuQ7j0x=_ALSxZd9novqK-y2Z2Nsa_eG_Od2n1EXHgk=pfceQ@mail.gmail.com>
Message-ID: <CAJiQNkMSmT3SFU0MHvb+rHSL1437ytWFkCLhyOzyj_T3M5Y_7Q@mail.gmail.com>

Thanks a lot. Will find and go through the pr. Also do you have any other
suggestions for my proposal?

On Sun, Apr 2, 2017 at 6:33 AM Hannah <story645 at gmail.com> wrote:

> Using the unit interface, CategoricalConvertor maps strings to numbers. If
> unit support can be extended to more plotting functions, then the norm can
> work directly in data space (so with strings). This means users can just
> use a colormap without having to explicitly set a norm. A norm then would
> just be used to specify which of the data to register and which to leave
> out, or the data/color mapping-I started prototyping this in  one of the
> PRs.
>
>
> On Apr 1, 2017 4:54 AM, "Kanchana Ranasinghe" <kahnchana at gmail.com> wrote:
>
> Hi,
>
> Really sorry for constantly troubling you over the weekend. Another small
> question about something I'm confused about. Regarding categorical data
> support for the norm and cmap functions.
>
> Currently, norm maps numerical data to [0,1] interval and cmap assigns
> different colors to each point of [0,1] interval. This integrates with the
> various scalarMappables to plot data. In making categorical units support,
> norm will map strings to [0,1] interval and cmaps will remain the same. Is
> this correct?
>
> Thank you
>
> With Regards
> Kanchana Ranasinghe
>
>
>
>
> On Fri, Mar 31, 2017 at 11:38 PM, Kanchana Ranasinghe <kahnchana at gmail.com
> > wrote:
>
> Thanks a lot. I got it.
>
> With Regards
> Kanchana Ranasinghe
>
>
>
>
> On Fri, Mar 31, 2017 at 11:34 PM, Hannah <story645 at gmail.com> wrote:
>
> Kind of? I think we may be talking about the same thing from different
> angles. I'm thinking about any function that takes in (and therefore
> returns) a cmap & norm that can then be passed into scalerMappables to make
> a colorbar. This includes stuff like imshow, matshow, pcolor, pcolormesh,
> scatter, and probably others.
>
>
>
>
>
>
>
>
>
> --
Regards,
Kanchana Ranasinghe
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From ariza.federico at gmail.com  Mon Apr  3 06:27:13 2017
From: ariza.federico at gmail.com (Federico Ariza)
Date: Mon, 3 Apr 2017 06:27:13 -0400
Subject: [Matplotlib-devel] scipy 2017 sprints
In-Reply-To: <CAA48SF8X2Q+iAW8FE8Z26oKacPB=YEztt2oSetmw53kW25Vqmg@mail.gmail.com>
References: <CAA48SF8X2Q+iAW8FE8Z26oKacPB=YEztt2oSetmw53kW25Vqmg@mail.gmail.com>
Message-ID: <CAA5CsYfJVw2V4A-jcpZJwxD9wwnCprOhkmGQAy=6Gbiu_AL7Fw@mail.gmail.com>

If I get the tutorial I'm in for a Sprint.

Federico

On Apr 2, 2017 5:50 AM, "Thomas Caswell" <tcaswell at gmail.com> wrote:

> Folks,
>
> Who is planning to attend SciPy2017?  (I am!).
>
> Any volunteers to take point an leading a sprint at SciPy2017?  This year
> they are offering financial aid to for sprint leaders (
> https://docs.google.com/forms/d/e/1FAIpQLSddm5Y9jfPG-
> DwLT9Pr3MV7PmIFB7DVr6WcWUT9SexMVoVpMA/viewform?c=0&w=1 ).
>
> Tom
>
> _______________________________________________
> Matplotlib-devel mailing list
> Matplotlib-devel at python.org
> https://mail.python.org/mailman/listinfo/matplotlib-devel
>
>
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From tcaswell at gmail.com  Mon Apr  3 16:28:57 2017
From: tcaswell at gmail.com (Thomas Caswell)
Date: Mon, 03 Apr 2017 20:28:57 +0000
Subject: [Matplotlib-devel] phone call notes 2017-04-03
Message-ID: <CAA48SF9WjQEb+SC0U389vnz-QQqP6uiPP5o-Xvdm3umC=xCuHA@mail.gmail.com>

Folks,

Just Eric Firing and my self.

Most of discussion was on what is between use and 2.0.1

 - pushed an extra commit to
https://github.com/matplotlib/matplotlib/pull/8253 should be merged when
passed
 - pushed https://github.com/matplotlib/matplotlib/issues/7977 out to 2.1
 - decided not to block on
https://github.com/matplotlib/matplotlib/pull/8300  The PR that created the
cartopy issues was fixing a much bigger issue so well release 2.0.1 with a
known issue.  Not the best, but keeping the perfect from becoming the enemy
of the good.

Tom
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From tcaswell at gmail.com  Wed Apr  5 22:47:40 2017
From: tcaswell at gmail.com (Thomas Caswell)
Date: Thu, 06 Apr 2017 02:47:40 +0000
Subject: [Matplotlib-devel] github reviews
Message-ID: <CAA48SF8xbCH5_kyMp4337H3wdoZV3Or-6mFbzpTLBUzWsmc7aA@mail.gmail.com>

Folks,

When leaving a review via the github API please leave a note so it is
easier to tell if your concerns have been addressed or not.

Tom
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From tcaswell at gmail.com  Mon Apr 10 17:29:48 2017
From: tcaswell at gmail.com (Thomas Caswell)
Date: Mon, 10 Apr 2017 21:29:48 +0000
Subject: [Matplotlib-devel] phone call 2017-04-10
Message-ID: <CAA48SF84apCELC=DohuXZJXEm08YHVAwf8t3zh+376UWjXLrUg@mail.gmail.com>

Folks,

Today was just myself and Eric Firing.

We discussed how to handle high-dpi screens with qt5 on mac vs linux.
Getting this sorted (at least enough to fix the zoom-box) is the last
blocking issue for 2.0.1

https://github.com/matplotlib/matplotlib/pull/8440

Tom
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From dkrinkel at energyai.com  Fri Apr 14 20:08:22 2017
From: dkrinkel at energyai.com (Dave Krinkel)
Date: Fri, 14 Apr 2017 17:08:22 -0700
Subject: [Matplotlib-devel] Is Matplotlib suitable for automatically
 rendering many charts per day?
Message-ID: <013a01d2b57c$65a4d880$30ee8980$@energyai.com>

Hello, new subscriber here, and total Matploblib newbie. More accurately, I
have not even attained newbie status as I haven't played with Matplotlib
yet. I thought I would pick your collective brain to see if I am in the
right place.

 

I'm developing an application which will monitor daily electricity use for
businesses. I need to render relatively simple charts (mainly area charts)
every day, eventually thousands of them per day. They will not be
interactive charts, in fact I need to render them as PNG's.

 

I currently use SQL Server's Reporting Services to do this, but it is way
too slow for the volumes I'm talking about. So I'm thinking of using Python
and a chart library, which brought me to Matplotlib.

 

As I said, the charts are not complicated, but I need precise control over
dimensions, colors, axis labels, things like that. And most importantly,
rendering must be fast.

 

Thank you in advance for any suggestions/advice.

 

Regards,

Dave

 

  _____  

Dave Krinkel

dkrinkel at energyai.com <mailto:dkrinkel at energyai.com> 

Berkeley, CA | 510.847.6103

www.energyai.com <http://www.energyai.com/> 

 



 

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From ben.v.root at gmail.com  Sat Apr 15 21:20:37 2017
From: ben.v.root at gmail.com (Benjamin Root)
Date: Sat, 15 Apr 2017 21:20:37 -0400
Subject: [Matplotlib-devel] Is Matplotlib suitable for automatically
 rendering many charts per day?
In-Reply-To: <013a01d2b57c$65a4d880$30ee8980$@energyai.com>
References: <013a01d2b57c$65a4d880$30ee8980$@energyai.com>
Message-ID: <CANNq6FnwLM=DB+VtHLPK7QyC4E_J6a_brWprHSe5m89VeBAoAg@mail.gmail.com>

Yes, matplotlib is exactly the right tool for this job. Please peruse
through our gallery for the many different kinds of plots you can make. And
just about everything is customizable in one way or another.

Looking forward to hearing more questions from you as you explore this
tool. You might get a wider audience, though, from the matplotlib-users
list. This list is more for discussions between developers, and deeper
questions about design and architecture of the library.

Cheers!
Ben Root


On Fri, Apr 14, 2017 at 8:08 PM, Dave Krinkel <dkrinkel at energyai.com> wrote:

> Hello, new subscriber here, and total Matploblib newbie. More accurately,
> I have not even attained newbie status as I haven?t played with Matplotlib
> yet. I thought I would pick your collective brain to see if I am in the
> right place.
>
>
>
> I?m developing an application which will monitor daily electricity use for
> businesses. I need to render relatively simple charts (mainly area charts)
> every day, eventually thousands of them per day. They will not be
> interactive charts, in fact I need to render them as PNG?s.
>
>
>
> I currently use SQL Server?s Reporting Services to do this, but it is way
> too slow for the volumes I?m talking about. So I?m thinking of using Python
> and a chart library, which brought me to Matplotlib.
>
>
>
> As I said, the charts are not complicated, but I need precise control over
> dimensions, colors, axis labels, things like that. And most importantly,
> rendering must be fast.
>
>
>
> Thank you in advance for any suggestions/advice.
>
>
>
> Regards,
>
> Dave
>
>
> ------------------------------
>
> *Dave Krinkel*
>
> dkrinkel at energyai.com
>
> Berkeley, CA | 510.847.6103 <(510)%20847-6103>
>
> www.energyai.com
>
>
>
> [image: EAiFullLogowSmileDocHdr]
>
>
>
> _______________________________________________
> Matplotlib-devel mailing list
> Matplotlib-devel at python.org
> https://mail.python.org/mailman/listinfo/matplotlib-devel
>
>
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From tcaswell at gmail.com  Mon Apr 17 16:59:43 2017
From: tcaswell at gmail.com (Thomas Caswell)
Date: Mon, 17 Apr 2017 20:59:43 +0000
Subject: [Matplotlib-devel] phone call 2017-04-17
Message-ID: <CAA48SF87y22zx7NLtAN5RYOUPHPWXB71CC8-tsyCvaGE5Q0w8w@mail.gmail.com>

Folks,

On the call today were my self, efiring, anntzer, and phobson

 - mac osx
  - dpi issue
  - need a maintainer
 - side tangent about linux sub-system for windows
 - talked about enabling squash-merge
  - concern is it might confuse new users
  - but asking to rebase / doing it for them / force-pushing to their
    branches is just as bad
  - enable, but ask to use sparingly, maybe shift balance as we see
    how this works in practice
  - need to provide instruction on how to clean up to user
 - add 'do not PR from master' to template
 - discuss how to make supporting new user to learn git (Paul will add
   section of git FAQ that we can add to)
 - qt5 dpi issues
   - seems to work on linux, but toolbar icons are jaggy on mac
   - discarding part of the to 8440 fixes the issue on mac

I'll be updating the devel docs and sending out a seperate email about
squash-merge.

Tom
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From tcaswell at gmail.com  Mon Apr 24 15:19:20 2017
From: tcaswell at gmail.com (Thomas Caswell)
Date: Mon, 24 Apr 2017 19:19:20 +0000
Subject: [Matplotlib-devel] phone call 2017-04-24
Message-ID: <CAA48SF_nx_QmgrbGyJYcDhb5CU_Gg221KFLYg7cB9uR+7cy5VQ@mail.gmail.com>

Just myself and Eric Firing.

Both of use were busy last week and had little to say.

Merged https://github.com/matplotlib/matplotlib/pull/8440

I will try to get 2.0.1 tagged tonight or tomorrow.

Tom
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From akkana at shallowsky.com  Mon Apr 24 16:45:56 2017
From: akkana at shallowsky.com (Akkana Peck)
Date: Mon, 24 Apr 2017 14:45:56 -0600
Subject: [Matplotlib-devel] github reviews
In-Reply-To: <CAA48SF8xbCH5_kyMp4337H3wdoZV3Or-6mFbzpTLBUzWsmc7aA@mail.gmail.com>
References: <CAA48SF8xbCH5_kyMp4337H3wdoZV3Or-6mFbzpTLBUzWsmc7aA@mail.gmail.com>
Message-ID: <20170424204556.yfddclkbrm4bladz@shallowsky.com>

Thomas Caswell writes:
> When leaving a review via the github API please leave a note so it is
> easier to tell if your concerns have been addressed or not.

What's the procedure for requesting a review? I made a pull request
in mpl_finance that's been sitting since January; it's not anything
important and I'm sure it needs work, but I'm not clear how to find
a reviewer who has time and inclination, and how to ask again in
case github didn't send a notification for the first review request
or the notification got lost, so I've just been letting it sit.

        ...Akkana

From ben.v.root at gmail.com  Mon Apr 24 16:55:55 2017
From: ben.v.root at gmail.com (Benjamin Root)
Date: Mon, 24 Apr 2017 16:55:55 -0400
Subject: [Matplotlib-devel] github reviews
In-Reply-To: <20170424204556.yfddclkbrm4bladz@shallowsky.com>
References: <CAA48SF8xbCH5_kyMp4337H3wdoZV3Or-6mFbzpTLBUzWsmc7aA@mail.gmail.com>
 <20170424204556.yfddclkbrm4bladz@shallowsky.com>
Message-ID: <CANNq6F=+sLWum6EgOVyxz95vijgDSzssO420Fn9VoQoJ7d+J1A@mail.gmail.com>

The squeaky wheel gets the grease. Probably your best bet is to post a
comment in the PR first. We probably just didn't notice it at the time.
Push comes to shove, hop onto the gitter channel or the matplotlib-dev
mailing list and ping there.

Cheers!
Ben Root


On Mon, Apr 24, 2017 at 4:45 PM, Akkana Peck <akkana at shallowsky.com> wrote:

> Thomas Caswell writes:
> > When leaving a review via the github API please leave a note so it is
> > easier to tell if your concerns have been addressed or not.
>
> What's the procedure for requesting a review? I made a pull request
> in mpl_finance that's been sitting since January; it's not anything
> important and I'm sure it needs work, but I'm not clear how to find
> a reviewer who has time and inclination, and how to ask again in
> case github didn't send a notification for the first review request
> or the notification got lost, so I've just been letting it sit.
>
>         ...Akkana
> _______________________________________________
> Matplotlib-devel mailing list
> Matplotlib-devel at python.org
> https://mail.python.org/mailman/listinfo/matplotlib-devel
>
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From isaac.gerg at gergltd.com  Fri Apr 28 13:10:03 2017
From: isaac.gerg at gergltd.com (Isaac Gerg)
Date: Fri, 28 Apr 2017 13:10:03 -0400
Subject: [Matplotlib-devel] Data exploration tools when plotting
Message-ID: <CADnN3yVxUb7ErXfCWookJtGcghZ9TM70m509SqLiTuF+5a6Oww@mail.gmail.com>

Are there any plans to put in data exploration tools into plotting?  For
example, if I do a simple plt.plot(np.sin(np.linspace(0,2*np.pi), 100);
plt.show(), putting a tool in the toolbar whereby I can click on a point
and get its x,y value?

Thanks,
Isaac
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From ariza.federico at gmail.com  Fri Apr 28 13:26:35 2017
From: ariza.federico at gmail.com (Federico Ariza)
Date: Fri, 28 Apr 2017 13:26:35 -0400
Subject: [Matplotlib-devel] Data exploration tools when plotting
In-Reply-To: <CADnN3yVxUb7ErXfCWookJtGcghZ9TM70m509SqLiTuF+5a6Oww@mail.gmail.com>
References: <CADnN3yVxUb7ErXfCWookJtGcghZ9TM70m509SqLiTuF+5a6Oww@mail.gmail.com>
Message-ID: <CAA5CsYe_9zBLG_38bPbUpX=iu0zzuQz=3WYA335VS9O3ojPGeQ@mail.gmail.com>

Hello

There are no immediate plans, but the new ToolbarManager makes it pretty
easy for you to implement different kind of tools and add them to the
toolbar.

Take a look at the example
https://matplotlib.org/examples/user_interfaces/toolmanager.html and let me
know if it helps

Federico

On Apr 28, 2017 1:10 PM, "Isaac Gerg" <isaac.gerg at gergltd.com> wrote:

> Are there any plans to put in data exploration tools into plotting?  For
> example, if I do a simple plt.plot(np.sin(np.linspace(0,2*np.pi), 100);
> plt.show(), putting a tool in the toolbar whereby I can click on a point
> and get its x,y value?
>
> Thanks,
> Isaac
>
> _______________________________________________
> Matplotlib-devel mailing list
> Matplotlib-devel at python.org
> https://mail.python.org/mailman/listinfo/matplotlib-devel
>
>
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From isaac.gerg at gergltd.com  Fri Apr 28 13:28:40 2017
From: isaac.gerg at gergltd.com (Isaac Gerg)
Date: Fri, 28 Apr 2017 13:28:40 -0400
Subject: [Matplotlib-devel] Data exploration tools when plotting
In-Reply-To: <CAA5CsYe_9zBLG_38bPbUpX=iu0zzuQz=3WYA335VS9O3ojPGeQ@mail.gmail.com>
References: <CADnN3yVxUb7ErXfCWookJtGcghZ9TM70m509SqLiTuF+5a6Oww@mail.gmail.com>
 <CAA5CsYe_9zBLG_38bPbUpX=iu0zzuQz=3WYA335VS9O3ojPGeQ@mail.gmail.com>
Message-ID: <CADnN3yUvzEOQJcvQy3LzeypXm0sD8-B53f-a+mf8iqjcw=_njg@mail.gmail.com>

thank you!

On Fri, Apr 28, 2017 at 1:26 PM, Federico Ariza <ariza.federico at gmail.com>
wrote:

> Hello
>
> There are no immediate plans, but the new ToolbarManager makes it pretty
> easy for you to implement different kind of tools and add them to the
> toolbar.
>
> Take a look at the example https://matplotlib.org/
> examples/user_interfaces/toolmanager.html and let me know if it helps
>
> Federico
>
> On Apr 28, 2017 1:10 PM, "Isaac Gerg" <isaac.gerg at gergltd.com> wrote:
>
>> Are there any plans to put in data exploration tools into plotting?  For
>> example, if I do a simple plt.plot(np.sin(np.linspace(0,2*np.pi), 100);
>> plt.show(), putting a tool in the toolbar whereby I can click on a point
>> and get its x,y value?
>>
>> Thanks,
>> Isaac
>>
>> _______________________________________________
>> Matplotlib-devel mailing list
>> Matplotlib-devel at python.org
>> https://mail.python.org/mailman/listinfo/matplotlib-devel
>>
>>
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From antony.lee at berkeley.edu  Fri Apr 28 16:39:48 2017
From: antony.lee at berkeley.edu (Antony Lee)
Date: Fri, 28 Apr 2017 13:39:48 -0700
Subject: [Matplotlib-devel] Data exploration tools when plotting
In-Reply-To: <CADnN3yUvzEOQJcvQy3LzeypXm0sD8-B53f-a+mf8iqjcw=_njg@mail.gmail.com>
References: <CADnN3yVxUb7ErXfCWookJtGcghZ9TM70m509SqLiTuF+5a6Oww@mail.gmail.com>
 <CAA5CsYe_9zBLG_38bPbUpX=iu0zzuQz=3WYA335VS9O3ojPGeQ@mail.gmail.com>
 <CADnN3yUvzEOQJcvQy3LzeypXm0sD8-B53f-a+mf8iqjcw=_njg@mail.gmail.com>
Message-ID: <CAGRr6BG95bN0zYXDrShyHLAC3y=mg3mmOiGXco-tB2etpYubvA@mail.gmail.com>

See also (self plug) https://mplcursors.readthedocs.io/en/latest/.
Antony

2017-04-28 10:28 GMT-07:00 Isaac Gerg <isaac.gerg at gergltd.com>:

> thank you!
>
> On Fri, Apr 28, 2017 at 1:26 PM, Federico Ariza <ariza.federico at gmail.com>
> wrote:
>
>> Hello
>>
>> There are no immediate plans, but the new ToolbarManager makes it pretty
>> easy for you to implement different kind of tools and add them to the
>> toolbar.
>>
>> Take a look at the example https://matplotlib.org/example
>> s/user_interfaces/toolmanager.html and let me know if it helps
>>
>> Federico
>>
>> On Apr 28, 2017 1:10 PM, "Isaac Gerg" <isaac.gerg at gergltd.com> wrote:
>>
>>> Are there any plans to put in data exploration tools into plotting?  For
>>> example, if I do a simple plt.plot(np.sin(np.linspace(0,2*np.pi), 100);
>>> plt.show(), putting a tool in the toolbar whereby I can click on a point
>>> and get its x,y value?
>>>
>>> Thanks,
>>> Isaac
>>>
>>> _______________________________________________
>>> Matplotlib-devel mailing list
>>> Matplotlib-devel at python.org
>>> https://mail.python.org/mailman/listinfo/matplotlib-devel
>>>
>>>
>
> _______________________________________________
> Matplotlib-devel mailing list
> Matplotlib-devel at python.org
> https://mail.python.org/mailman/listinfo/matplotlib-devel
>
>
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