matplotlib-devel Mailing List for matplotlib (Page 2)

I am awaiting approval from my superiors to pay for me to go this year. I
plan to split out my Anatomy of Matplotlib tutorial into two levels. If
that works out and both tutorials get accepted, then I would imagine that I
could spend an extra day. Would this extra day be before or after the week
of the conference?

Ben Root


On Thu, Mar 6, 2014 at 12:49 PM, Eric Firing <ef...@ha...> wrote:

> On 2014/02/27 6:28 AM, Michael Droettboom wrote:
> > How many matplotlib developers are planning to attend SciPy this year?
>
> Most likely I will not.
>
> Eric
>
> >
> > If we used some of our funds to support an extra hotel night, would any
> > of you be interested in spending an extra day for a "matplotlib
> > developer summit" to discuss matplotlib projects?  This would be in
> > addition to the sprints, which I see probably being a larger group. Your
> > response isn't a committment at this point, I'm just trying to gauge how
> > much interest there might be.
> >
> > Mike
> >
>
>
>
> ------------------------------------------------------------------------------
> Subversion Kills Productivity. Get off Subversion & Make the Move to
> Perforce.
> With Perforce, you get hassle-free workflows. Merge that actually works.
> Faster operations. Version large binaries.  Built-in WAN optimization and
> the
> freedom to use Git, Perforce or both. Make the move to Perforce.
>
> http://pubads.g.doubleclick.net/gampad/clk?id=122218951&iu=/4140/ostg.clktrk
> _______________________________________________
> Matplotlib-devel mailing list
> Mat...@li...
> https://lists.sourceforge.net/lists/listinfo/matplotlib-devel
>

On Thu, Mar 6, 2014 at 3:03 PM, Skip Montanaro <sk...@po...> wrote:

> On Thu, Mar 6, 2014 at 2:51 PM, Nelle Varoquaux
> <nel...@gm...> wrote:
> > The convention is to use a simple _.
> >
> >  mode, _, dev, nlink, uid, gid, size, _, _, _ = os.stat("/etc/hosts")
>
> Which is "pylint-compliant", but removes any description to future
> readers (who might decide to use them) what the meaning of those
> various unused values are.
>

Just to bikeshed a bit: There are common cases where a bare "_" really is a
good solution. E.g.

something = [object() for _ in range(10)]

It's immediately clear a) what "_" is, and b) that it's unused.  "for _i in
range(10)" is more jarring in that particular case, i.m.h.o.

I do agree that "_descriptive_name" is better in many situations.

I'd just argue for a "prefer this, but use your best judgement" type
guideline rather than a strict rule.

Then again, I'm not actively involved in development, so I probably
shouldn't hold too much of an opinion either way.
Cheers,
-Joe

On Thu, Mar 6, 2014 at 3:13 PM, Nelle Varoquaux
<nel...@gm...> wrote:
> If I need to understand what exactly os.stat returns, I just read the
> documentation, and not rely on some possibly misleading variable
> names.

Despite our wish that it wasn't so, it is likely that there is far
more undocumented than documented code out in the wild, or behind
firewalls where we can't see it. I just used os.stat as an example of
a well-known function that returns multiple values. (Precisely, so
people wouldn't have to run to the documentation or that I would have
to provide a more-fleshed-out example.) In my experience, there's no
real need to be intentionally obscure by not giving a variable a
meaningful, whether or not you intend/expect to use it. Besides, open
source code can serve as a living example of good coding practices.
Might as well do our best in that regard.

Just sayin'...

Skip

On 6 March 2014 22:03, Skip Montanaro <sk...@po...> wrote:
> On Thu, Mar 6, 2014 at 2:51 PM, Nelle Varoquaux
> <nel...@gm...> wrote:
>> The convention is to use a simple _.
>>
>>  mode, _, dev, nlink, uid, gid, size, _, _, _ = os.stat("/etc/hosts")
>
> Which is "pylint-compliant", but removes any description to future
> readers (who might decide to use them) what the meaning of those
> various unused values are.

The opposite also holds: personally, my brain shuts down when I see an
underscore, because I know those values aro no use in this context. If
there are variables names that aren't use, it confuses me, and I try
to understand where they are use.
If I need to understand what exactly os.stat returns, I just read the
documentation, and not rely on some possibly misleading variable
names.

 We can debate hours whether these conventions are justified or not.
It all comes down to what's your habit.

>From the google style guide (pylint section):

Unused argument warnings can be suppressed by using `_' as the
identifier for the unused argument or prefixing the argument name with
`unused_'. In situations where changing the argument names is
infeasible, you can mention them at the beginning of the function. For
example:

def foo(a, unused_b, unused_c, d=None, e=None):
    _ = d, e

return a

>
> Skip

On Thu, Mar 6, 2014 at 2:51 PM, Nelle Varoquaux
<nel...@gm...> wrote:
> The convention is to use a simple _.
>
>  mode, _, dev, nlink, uid, gid, size, _, _, _ = os.stat("/etc/hosts")

Which is "pylint-compliant", but removes any description to future
readers (who might decide to use them) what the meaning of those
various unused values are.

Skip

On 6 March 2014 21:53, Federico Ariza <ari...@gm...> wrote:
> Nelle
>
> Is that written somewhere?

I think the convention originated from google's python style guide.
Pylint should warn you if you don't use this convention.


> On Thu, Mar 6, 2014 at 3:51 PM, Nelle Varoquaux
> <nel...@gm...> wrote:
>> On 6 March 2014 21:47, Skip Montanaro <sk...@po...> wrote:
>>> On Thu, Mar 6, 2014 at 2:38 PM, Ryan May <rm...@gm...> wrote:
>>>> I don't think a leading _ is the way to go, because that's a common
>>>> convention for internal class variables--property variables that you don't
>>>> intend to be part of any supported API.
>>>
>>> But leading underscores like this are only used as attributes of
>>> classes. I believe the OP was asking about unused local variables.
>>> Something more like this:
>>>
>>>     mode, _ino, dev, nlink, uid, gid, size, _atime, _mtime, _ctime =
>>> os.stat("/etc/hosts")
>>
>> The convention is to use a simple _.
>>
>>  mode, _, dev, nlink, uid, gid, size, _, _, _ = os.stat("/etc/hosts")
>>
>>>
>>> (Ignore that os.stat returns a posix.stat_result object on Unix-y systems.)
>>>
>>> Skip
>>>
>>> ------------------------------------------------------------------------------
>>> Subversion Kills Productivity. Get off Subversion & Make the Move to Perforce.
>>> With Perforce, you get hassle-free workflows. Merge that actually works.
>>> Faster operations. Version large binaries.  Built-in WAN optimization and the
>>> freedom to use Git, Perforce or both. Make the move to Perforce.
>>> http://pubads.g.doubleclick.net/gampad/clk?id=122218951&iu=/4140/ostg.clktrk
>>> _______________________________________________
>>> Matplotlib-devel mailing list
>>> Mat...@li...
>>> https://lists.sourceforge.net/lists/listinfo/matplotlib-devel
>>
>> ------------------------------------------------------------------------------
>> Subversion Kills Productivity. Get off Subversion & Make the Move to Perforce.
>> With Perforce, you get hassle-free workflows. Merge that actually works.
>> Faster operations. Version large binaries.  Built-in WAN optimization and the
>> freedom to use Git, Perforce or both. Make the move to Perforce.
>> http://pubads.g.doubleclick.net/gampad/clk?id=122218951&iu=/4140/ostg.clktrk
>> _______________________________________________
>> Matplotlib-devel mailing list
>> Mat...@li...
>> https://lists.sourceforge.net/lists/listinfo/matplotlib-devel
>
>
>
> --
> Y yo que culpa tengo de que ellas se crean todo lo que yo les digo?
>
> -- Antonio Alducin --

I am with Eric, I find the bare `_` to be jarring and in some
fonts/color schemes can blend in too much.  I advocate for `_name`.

Just because the variable isn't used now, does not mean it won't be
used later and having sensible variable names on them can't hurt.

Tom

On Thu, Mar 6, 2014 at 3:53 PM, Federico Ariza <ari...@gm...> wrote:
> Nelle
>
> Is that written somewhere?
>
> On Thu, Mar 6, 2014 at 3:51 PM, Nelle Varoquaux
> <nel...@gm...> wrote:
>> On 6 March 2014 21:47, Skip Montanaro <sk...@po...> wrote:
>>> On Thu, Mar 6, 2014 at 2:38 PM, Ryan May <rm...@gm...> wrote:
>>>> I don't think a leading _ is the way to go, because that's a common
>>>> convention for internal class variables--property variables that you don't
>>>> intend to be part of any supported API.
>>>
>>> But leading underscores like this are only used as attributes of
>>> classes. I believe the OP was asking about unused local variables.
>>> Something more like this:
>>>
>>>     mode, _ino, dev, nlink, uid, gid, size, _atime, _mtime, _ctime =
>>> os.stat("/etc/hosts")
>>
>> The convention is to use a simple _.
>>
>>  mode, _, dev, nlink, uid, gid, size, _, _, _ = os.stat("/etc/hosts")
>>
>>>
>>> (Ignore that os.stat returns a posix.stat_result object on Unix-y systems.)
>>>
>>> Skip
>>>
>>> ------------------------------------------------------------------------------
>>> Subversion Kills Productivity. Get off Subversion & Make the Move to Perforce.
>>> With Perforce, you get hassle-free workflows. Merge that actually works.
>>> Faster operations. Version large binaries.  Built-in WAN optimization and the
>>> freedom to use Git, Perforce or both. Make the move to Perforce.
>>> http://pubads.g.doubleclick.net/gampad/clk?id=122218951&iu=/4140/ostg.clktrk
>>> _______________________________________________
>>> Matplotlib-devel mailing list
>>> Mat...@li...
>>> https://lists.sourceforge.net/lists/listinfo/matplotlib-devel
>>
>> ------------------------------------------------------------------------------
>> Subversion Kills Productivity. Get off Subversion & Make the Move to Perforce.
>> With Perforce, you get hassle-free workflows. Merge that actually works.
>> Faster operations. Version large binaries.  Built-in WAN optimization and the
>> freedom to use Git, Perforce or both. Make the move to Perforce.
>> http://pubads.g.doubleclick.net/gampad/clk?id=122218951&iu=/4140/ostg.clktrk
>> _______________________________________________
>> Matplotlib-devel mailing list
>> Mat...@li...
>> https://lists.sourceforge.net/lists/listinfo/matplotlib-devel
>
>
>
> --
> Y yo que culpa tengo de que ellas se crean todo lo que yo les digo?
>
> -- Antonio Alducin --
>
> ------------------------------------------------------------------------------
> Subversion Kills Productivity. Get off Subversion & Make the Move to Perforce.
> With Perforce, you get hassle-free workflows. Merge that actually works.
> Faster operations. Version large binaries.  Built-in WAN optimization and the
> freedom to use Git, Perforce or both. Make the move to Perforce.
> http://pubads.g.doubleclick.net/gampad/clk?id=122218951&iu=/4140/ostg.clktrk
> _______________________________________________
> Matplotlib-devel mailing list
> Mat...@li...
> https://lists.sourceforge.net/lists/listinfo/matplotlib-devel



-- 
Thomas Caswell
tca...@gm...

Nelle

Is that written somewhere?

On Thu, Mar 6, 2014 at 3:51 PM, Nelle Varoquaux
<nel...@gm...> wrote:
> On 6 March 2014 21:47, Skip Montanaro <sk...@po...> wrote:
>> On Thu, Mar 6, 2014 at 2:38 PM, Ryan May <rm...@gm...> wrote:
>>> I don't think a leading _ is the way to go, because that's a common
>>> convention for internal class variables--property variables that you don't
>>> intend to be part of any supported API.
>>
>> But leading underscores like this are only used as attributes of
>> classes. I believe the OP was asking about unused local variables.
>> Something more like this:
>>
>>     mode, _ino, dev, nlink, uid, gid, size, _atime, _mtime, _ctime =
>> os.stat("/etc/hosts")
>
> The convention is to use a simple _.
>
>  mode, _, dev, nlink, uid, gid, size, _, _, _ = os.stat("/etc/hosts")
>
>>
>> (Ignore that os.stat returns a posix.stat_result object on Unix-y systems.)
>>
>> Skip
>>
>> ------------------------------------------------------------------------------
>> Subversion Kills Productivity. Get off Subversion & Make the Move to Perforce.
>> With Perforce, you get hassle-free workflows. Merge that actually works.
>> Faster operations. Version large binaries.  Built-in WAN optimization and the
>> freedom to use Git, Perforce or both. Make the move to Perforce.
>> http://pubads.g.doubleclick.net/gampad/clk?id=122218951&iu=/4140/ostg.clktrk
>> _______________________________________________
>> Matplotlib-devel mailing list
>> Mat...@li...
>> https://lists.sourceforge.net/lists/listinfo/matplotlib-devel
>
> ------------------------------------------------------------------------------
> Subversion Kills Productivity. Get off Subversion & Make the Move to Perforce.
> With Perforce, you get hassle-free workflows. Merge that actually works.
> Faster operations. Version large binaries.  Built-in WAN optimization and the
> freedom to use Git, Perforce or both. Make the move to Perforce.
> http://pubads.g.doubleclick.net/gampad/clk?id=122218951&iu=/4140/ostg.clktrk
> _______________________________________________
> Matplotlib-devel mailing list
> Mat...@li...
> https://lists.sourceforge.net/lists/listinfo/matplotlib-devel



-- 
Y yo que culpa tengo de que ellas se crean todo lo que yo les digo?

-- Antonio Alducin --

Skip,

That's exactly what I was referring to.

I check PEP8 and there is no mention of unused variables.


On Thu, Mar 6, 2014 at 3:47 PM, Skip Montanaro <sk...@po...> wrote:
> On Thu, Mar 6, 2014 at 2:38 PM, Ryan May <rm...@gm...> wrote:
>> I don't think a leading _ is the way to go, because that's a common
>> convention for internal class variables--property variables that you don't
>> intend to be part of any supported API.
>
> But leading underscores like this are only used as attributes of
> classes. I believe the OP was asking about unused local variables.
> Something more like this:
>
>     mode, _ino, dev, nlink, uid, gid, size, _atime, _mtime, _ctime =
> os.stat("/etc/hosts")
>
> (Ignore that os.stat returns a posix.stat_result object on Unix-y systems.)
>
> Skip



-- 
Y yo que culpa tengo de que ellas se crean todo lo que yo les digo?

-- Antonio Alducin --

On 6 March 2014 21:47, Skip Montanaro <sk...@po...> wrote:
> On Thu, Mar 6, 2014 at 2:38 PM, Ryan May <rm...@gm...> wrote:
>> I don't think a leading _ is the way to go, because that's a common
>> convention for internal class variables--property variables that you don't
>> intend to be part of any supported API.
>
> But leading underscores like this are only used as attributes of
> classes. I believe the OP was asking about unused local variables.
> Something more like this:
>
>     mode, _ino, dev, nlink, uid, gid, size, _atime, _mtime, _ctime =
> os.stat("/etc/hosts")

The convention is to use a simple _.

 mode, _, dev, nlink, uid, gid, size, _, _, _ = os.stat("/etc/hosts")

>
> (Ignore that os.stat returns a posix.stat_result object on Unix-y systems.)
>
> Skip
>
> ------------------------------------------------------------------------------
> Subversion Kills Productivity. Get off Subversion & Make the Move to Perforce.
> With Perforce, you get hassle-free workflows. Merge that actually works.
> Faster operations. Version large binaries.  Built-in WAN optimization and the
> freedom to use Git, Perforce or both. Make the move to Perforce.
> http://pubads.g.doubleclick.net/gampad/clk?id=122218951&iu=/4140/ostg.clktrk
> _______________________________________________
> Matplotlib-devel mailing list
> Mat...@li...
> https://lists.sourceforge.net/lists/listinfo/matplotlib-devel

On Thu, Mar 6, 2014 at 2:38 PM, Ryan May <rm...@gm...> wrote:
> I don't think a leading _ is the way to go, because that's a common
> convention for internal class variables--property variables that you don't
> intend to be part of any supported API.

But leading underscores like this are only used as attributes of
classes. I believe the OP was asking about unused local variables.
Something more like this:

    mode, _ino, dev, nlink, uid, gid, size, _atime, _mtime, _ctime =
os.stat("/etc/hosts")

(Ignore that os.stat returns a posix.stat_result object on Unix-y systems.)

Skip

Hi,

I don't think a leading _ is the way to go, because that's a common
convention for internal class variables--property variables that you don't
intend to be part of any supported API.
Personally, I've always just called things like this "junk" or "unused",
but I know that's not as nice as having a symbolic notation.

Ryan


On Thu, Mar 6, 2014 at 11:38 AM, Skip Montanaro <sk...@po...> wrote:

> On Thu, Mar 6, 2014 at 7:47 AM, Federico Ariza <ari...@gm...>
> wrote:
> > Stupid simple question
> > Is there a policy/tradition/convention to name unused variables inside
> the code?
>
> While Eric indicates there is no policy, for the Python parts of your
> code, I recommend you follow whatever the default is that pylint or
> one of the other lint-like checkers recommend. Pylint likes a leading
> underscore, but if you have a different natural preference, I
> recommend you post your query at cod...@py.... It's where
> all the cool static checker folk hang out. I haven't read PEP 8 in a
> long while. Does Guido express a preference there?
>
> Skip (not a cool static checker guy)
>
>
> ------------------------------------------------------------------------------
> Subversion Kills Productivity. Get off Subversion & Make the Move to
> Perforce.
> With Perforce, you get hassle-free workflows. Merge that actually works.
> Faster operations. Version large binaries.  Built-in WAN optimization and
> the
> freedom to use Git, Perforce or both. Make the move to Perforce.
>
> http://pubads.g.doubleclick.net/gampad/clk?id=122218951&iu=/4140/ostg.clktrk
> _______________________________________________
> Matplotlib-devel mailing list
> Mat...@li...
> https://lists.sourceforge.net/lists/listinfo/matplotlib-devel
>



-- 
Ryan May
Graduate Research Assistant
School of Meteorology
University of Oklahoma

On Thu, Mar 6, 2014 at 7:47 AM, Federico Ariza <ari...@gm...> wrote:
> Stupid simple question
> Is there a policy/tradition/convention to name unused variables inside the code?

While Eric indicates there is no policy, for the Python parts of your
code, I recommend you follow whatever the default is that pylint or
one of the other lint-like checkers recommend. Pylint likes a leading
underscore, but if you have a different natural preference, I
recommend you post your query at cod...@py.... It's where
all the cool static checker folk hang out. I haven't read PEP 8 in a
long while. Does Guido express a preference there?

Skip (not a cool static checker guy)

On 2014/03/06 3:47 AM, Federico Ariza wrote:
> Hello everybody
>
> Stupid simple question
> Is there a policy/tradition/convention to name unused variables inside the code?

Not yet.

>
> Even better, if I see '''var''', can I replace it with '''_var''' and
> nobody is going to complain?

That might be a good convention.  I don't particularly like a bare "_" 
because it is uninformative and visually a bit jarring.  Even if a 
variable is unused, it is nice to have a slight hint in its name as to 
what it is.

Eric

>
> I use eclipse and it complains about that (I like that it warns me). I
> just wanted to know if I should just disable the warning when working
> on matplotlib.
>
> Federico
>

On 2014/02/27 6:28 AM, Michael Droettboom wrote:
> How many matplotlib developers are planning to attend SciPy this year?

Most likely I will not.

Eric

>
> If we used some of our funds to support an extra hotel night, would any
> of you be interested in spending an extra day for a "matplotlib
> developer summit" to discuss matplotlib projects?  This would be in
> addition to the sprints, which I see probably being a larger group. Your
> response isn't a committment at this point, I'm just trying to gauge how
> much interest there might be.
>
> Mike
>

Hello,

I've not been very active in the development of matplotlib these past
few months, but I'll answer anyways.
I'll be at Scipy this year, but I won't be able to stay after the
sprints. I have another conference right after.

Cheers,
N

On 2 March 2014 04:37, Thomas Caswell <tca...@gm...> wrote:
> I am still in the process of sorting out if I have funding to go.  If
> I am there, I would be interested in staying the extra day.
>
> Tom
>
> On Fri, Feb 28, 2014 at 11:20 PM, Damon McDougall
> <dam...@gm...> wrote:
>> I will be there.  I'm also willing to join in on any discussion.
>>
>> On Thu, Feb 27, 2014 at 10:28 AM, Michael Droettboom <md...@st...> wrote:
>>> How many matplotlib developers are planning to attend SciPy this year?
>>>
>>> If we used some of our funds to support an extra hotel night, would any
>>> of you be interested in spending an extra day for a "matplotlib
>>> developer summit" to discuss matplotlib projects?  This would be in
>>> addition to the sprints, which I see probably being a larger group. Your
>>> response isn't a committment at this point, I'm just trying to gauge how
>>> much interest there might be.
>>>
>>> Mike
>>>
>>> --
>>>                     _
>>> |\/|o _|_  _. _ | | \.__  __|__|_|_  _  _ ._ _
>>> |  ||(_| |(_|(/_| |_/|(_)(/_|_ |_|_)(_)(_)| | |
>>>
>>> http://www.droettboom.com
>>>
>>>
>>> ------------------------------------------------------------------------------
>>> Flow-based real-time traffic analytics software. Cisco certified tool.
>>> Monitor traffic, SLAs, QoS, Medianet, WAAS etc. with NetFlow Analyzer
>>> Customize your own dashboards, set traffic alerts and generate reports.
>>> Network behavioral analysis & security monitoring. All-in-one tool.
>>> http://pubads.g.doubleclick.net/gampad/clk?id=126839071&iu=/4140/ostg.clktrk
>>> _______________________________________________
>>> Matplotlib-devel mailing list
>>> Mat...@li...
>>> https://lists.sourceforge.net/lists/listinfo/matplotlib-devel
>>
>>
>>
>> --
>> Damon McDougall
>> http://www.damon-is-a-geek.com
>> Institute for Computational Engineering Sciences
>> 201 E. 24th St.
>> Stop C0200
>> The University of Texas at Austin
>> Austin, TX 78712-1229
>>
>> ------------------------------------------------------------------------------
>> Flow-based real-time traffic analytics software. Cisco certified tool.
>> Monitor traffic, SLAs, QoS, Medianet, WAAS etc. with NetFlow Analyzer
>> Customize your own dashboards, set traffic alerts and generate reports.
>> Network behavioral analysis & security monitoring. All-in-one tool.
>> http://pubads.g.doubleclick.net/gampad/clk?id=126839071&iu=/4140/ostg.clktrk
>> _______________________________________________
>> Matplotlib-devel mailing list
>> Mat...@li...
>> https://lists.sourceforge.net/lists/listinfo/matplotlib-devel
>
>
>
> --
> Thomas Caswell
> tca...@gm...
>
> ------------------------------------------------------------------------------
> Flow-based real-time traffic analytics software. Cisco certified tool.
> Monitor traffic, SLAs, QoS, Medianet, WAAS etc. with NetFlow Analyzer
> Customize your own dashboards, set traffic alerts and generate reports.
> Network behavioral analysis & security monitoring. All-in-one tool.
> http://pubads.g.doubleclick.net/gampad/clk?id=126839071&iu=/4140/ostg.clktrk
> _______________________________________________
> Matplotlib-devel mailing list
> Mat...@li...
> https://lists.sourceforge.net/lists/listinfo/matplotlib-devel

Hello everybody

Stupid simple question
Is there a policy/tradition/convention to name unused variables inside the code?

Even better, if I see '''var''', can I replace it with '''_var''' and
nobody is going to complain?

I use eclipse and it complains about that (I like that it warns me). I
just wanted to know if I should just disable the warning when working
on matplotlib.

Federico

-- 
Y yo que culpa tengo de que ellas se crean todo lo que yo les digo?

-- Antonio Alducin --

Is this something the new WebAgg backend should solve?

Raphael

On 2 March 2014 20:46, Raphael C <dr...@gm...> wrote:
> Thank you that is good to know. From my personal point of view I was
> just interested in a view simple form of interactivity. That is the
> ability to click on data points and see their labels.  I have to say
> mpldatacursor is very nice and does precisely this. It however has
> some disadvantages.
>
> a) It's not possible to save the current state of your interactive
> visualisation to send to someone else (except as a snapshot png).
> b) Due to its dependencies it is also hard to send your code to
> someone else as they are unlikely to have the dependencies to get it
> to work. This would be solved by having the functionality in something
> standard like matplotlib.
> c) There appears to be only one contributor currently. (I could be
> wrong about this last point.)
>
> Raphael
>
> On 2 March 2014 20:32, Matt Sundquist <ma...@pl...> wrote:
>> Hey Raphael,
>>
>> Jake Vanderplas has been working on mpld3, which lets you create D3
>> renderings of matplotlib graphs. We (Plotly) are working with him on a
>> matplotlib exporter that lets you make interactive, online, labels/text on
>> the hover Plotly graphs with matplotlib. Here is an IPython Notebook showing
>> how to do that:
>>
>> http://nbviewer.ipython.org/github/theengineear/mplexporter/blob/master/notebooks/PlotlyTest.ipynb?create=1
>>
>> We're early on still, and Jake is definitely the driving force/mastermind
>> behind the project. We're hoping to support more and more plotting from
>> matplotlib and would love help, tips, feedback, and suggestions. We're happy
>> to talk more if you'd like.
>>
>> Thanks a bunch,
>> M
>>
>>
>> On Sun, Mar 2, 2014 at 12:17 PM, Raphael C <dr...@gm...> wrote:
>>>
>>> I posted this to https://github.com/matplotlib/matplotlib/issues/2856
>>> but it was suggested that the mailing list was a better place.
>>>
>>> I am plotting a simple graph with many points. I would like to explore
>>> the data by clicking on some of them to see what their labels are
>>> (much as I can already in R). I don't want to see all the labels at
>>> once. Currently the only solution I found was mpldatacursor. Is this
>>> feature something interesting to matplotlib developers or even being
>>> currently worked on?
>>>
>>> Raphael
>>>
>>>
>>> ------------------------------------------------------------------------------
>>> Flow-based real-time traffic analytics software. Cisco certified tool.
>>> Monitor traffic, SLAs, QoS, Medianet, WAAS etc. with NetFlow Analyzer
>>> Customize your own dashboards, set traffic alerts and generate reports.
>>> Network behavioral analysis & security monitoring. All-in-one tool.
>>>
>>> http://pubads.g.doubleclick.net/gampad/clk?id=126839071&iu=/4140/ostg.clktrk
>>> _______________________________________________
>>> Matplotlib-devel mailing list
>>> Mat...@li...
>>> https://lists.sourceforge.net/lists/listinfo/matplotlib-devel
>>
>>

Hey Raphael,

Jake Vanderplas has been working on mpld3 <https://github.com/mpld3>, which
lets you create D3 renderings of matplotlib graphs. We (Plotly<http://plot.ly>)
are working with him on a matplotlib
exporter<https://github.com/mpld3/mplexporter>that lets you make
interactive, online, labels/text on the hover Plotly
graphs with matplotlib. Here is an IPython Notebook showing how to do that:

http://nbviewer.ipython.org/github/theengineear/mplexporter/blob/master/notebooks/PlotlyTest.ipynb?create=1

We're early on still, and Jake is definitely the driving force/mastermind
behind the project. We're hoping to support more and more plotting from
matplotlib and would love help, tips, feedback, and suggestions. We're
happy to talk more if you'd like.

Thanks a bunch,
M


On Sun, Mar 2, 2014 at 12:17 PM, Raphael C <dr...@gm...> wrote:

> I posted this to https://github.com/matplotlib/matplotlib/issues/2856
> but it was suggested that the mailing list was a better place.
>
> I am plotting a simple graph with many points. I would like to explore
> the data by clicking on some of them to see what their labels are
> (much as I can already in R). I don't want to see all the labels at
> once. Currently the only solution I found was mpldatacursor. Is this
> feature something interesting to matplotlib developers or even being
> currently worked on?
>
> Raphael
>
>
> ------------------------------------------------------------------------------
> Flow-based real-time traffic analytics software. Cisco certified tool.
> Monitor traffic, SLAs, QoS, Medianet, WAAS etc. with NetFlow Analyzer
> Customize your own dashboards, set traffic alerts and generate reports.
> Network behavioral analysis & security monitoring. All-in-one tool.
>
> http://pubads.g.doubleclick.net/gampad/clk?id=126839071&iu=/4140/ostg.clktrk
> _______________________________________________
> Matplotlib-devel mailing list
> Mat...@li...
> https://lists.sourceforge.net/lists/listinfo/matplotlib-devel
>

Thank you that is good to know. From my personal point of view I was
just interested in a view simple form of interactivity. That is the
ability to click on data points and see their labels.  I have to say
mpldatacursor is very nice and does precisely this. It however has
some disadvantages.

a) It's not possible to save the current state of your interactive
visualisation to send to someone else (except as a snapshot png).
b) Due to its dependencies it is also hard to send your code to
someone else as they are unlikely to have the dependencies to get it
to work. This would be solved by having the functionality in something
standard like matplotlib.
c) There appears to be only one contributor currently. (I could be
wrong about this last point.)

Raphael

On 2 March 2014 20:32, Matt Sundquist <ma...@pl...> wrote:
> Hey Raphael,
>
> Jake Vanderplas has been working on mpld3, which lets you create D3
> renderings of matplotlib graphs. We (Plotly) are working with him on a
> matplotlib exporter that lets you make interactive, online, labels/text on
> the hover Plotly graphs with matplotlib. Here is an IPython Notebook showing
> how to do that:
>
> http://nbviewer.ipython.org/github/theengineear/mplexporter/blob/master/notebooks/PlotlyTest.ipynb?create=1
>
> We're early on still, and Jake is definitely the driving force/mastermind
> behind the project. We're hoping to support more and more plotting from
> matplotlib and would love help, tips, feedback, and suggestions. We're happy
> to talk more if you'd like.
>
> Thanks a bunch,
> M
>
>
> On Sun, Mar 2, 2014 at 12:17 PM, Raphael C <dr...@gm...> wrote:
>>
>> I posted this to https://github.com/matplotlib/matplotlib/issues/2856
>> but it was suggested that the mailing list was a better place.
>>
>> I am plotting a simple graph with many points. I would like to explore
>> the data by clicking on some of them to see what their labels are
>> (much as I can already in R). I don't want to see all the labels at
>> once. Currently the only solution I found was mpldatacursor. Is this
>> feature something interesting to matplotlib developers or even being
>> currently worked on?
>>
>> Raphael
>>
>>
>> ------------------------------------------------------------------------------
>> Flow-based real-time traffic analytics software. Cisco certified tool.
>> Monitor traffic, SLAs, QoS, Medianet, WAAS etc. with NetFlow Analyzer
>> Customize your own dashboards, set traffic alerts and generate reports.
>> Network behavioral analysis & security monitoring. All-in-one tool.
>>
>> http://pubads.g.doubleclick.net/gampad/clk?id=126839071&iu=/4140/ostg.clktrk
>> _______________________________________________
>> Matplotlib-devel mailing list
>> Mat...@li...
>> https://lists.sourceforge.net/lists/listinfo/matplotlib-devel
>
>

I posted this to https://github.com/matplotlib/matplotlib/issues/2856
but it was suggested that the mailing list was a better place.

I am plotting a simple graph with many points. I would like to explore
the data by clicking on some of them to see what their labels are
(much as I can already in R). I don't want to see all the labels at
once. Currently the only solution I found was mpldatacursor. Is this
feature something interesting to matplotlib developers or even being
currently worked on?

Raphael

I posted this to https://github.com/matplotlib/matplotlib/issues/2856
but it was suggested that the mailing list was a better place.

I am plotting a simple graph with many points. I would like to explore
the data by clicking on some of them to see what their labels are
(much as I can already in R). I don't want to see all the labels at
once. Currently the only solution I found was mpldatacursor. Is this
feature something interesting to matplotlib developers or even being
currently worked on?

Raphael

I am still in the process of sorting out if I have funding to go.  If
I am there, I would be interested in staying the extra day.

Tom

On Fri, Feb 28, 2014 at 11:20 PM, Damon McDougall
<dam...@gm...> wrote:
> I will be there.  I'm also willing to join in on any discussion.
>
> On Thu, Feb 27, 2014 at 10:28 AM, Michael Droettboom <md...@st...> wrote:
>> How many matplotlib developers are planning to attend SciPy this year?
>>
>> If we used some of our funds to support an extra hotel night, would any
>> of you be interested in spending an extra day for a "matplotlib
>> developer summit" to discuss matplotlib projects?  This would be in
>> addition to the sprints, which I see probably being a larger group. Your
>> response isn't a committment at this point, I'm just trying to gauge how
>> much interest there might be.
>>
>> Mike
>>
>> --
>>                     _
>> |\/|o _|_  _. _ | | \.__  __|__|_|_  _  _ ._ _
>> |  ||(_| |(_|(/_| |_/|(_)(/_|_ |_|_)(_)(_)| | |
>>
>> http://www.droettboom.com
>>
>>
>> ------------------------------------------------------------------------------
>> Flow-based real-time traffic analytics software. Cisco certified tool.
>> Monitor traffic, SLAs, QoS, Medianet, WAAS etc. with NetFlow Analyzer
>> Customize your own dashboards, set traffic alerts and generate reports.
>> Network behavioral analysis & security monitoring. All-in-one tool.
>> http://pubads.g.doubleclick.net/gampad/clk?id=126839071&iu=/4140/ostg.clktrk
>> _______________________________________________
>> Matplotlib-devel mailing list
>> Mat...@li...
>> https://lists.sourceforge.net/lists/listinfo/matplotlib-devel
>
>
>
> --
> Damon McDougall
> http://www.damon-is-a-geek.com
> Institute for Computational Engineering Sciences
> 201 E. 24th St.
> Stop C0200
> The University of Texas at Austin
> Austin, TX 78712-1229
>
> ------------------------------------------------------------------------------
> Flow-based real-time traffic analytics software. Cisco certified tool.
> Monitor traffic, SLAs, QoS, Medianet, WAAS etc. with NetFlow Analyzer
> Customize your own dashboards, set traffic alerts and generate reports.
> Network behavioral analysis & security monitoring. All-in-one tool.
> http://pubads.g.doubleclick.net/gampad/clk?id=126839071&iu=/4140/ostg.clktrk
> _______________________________________________
> Matplotlib-devel mailing list
> Mat...@li...
> https://lists.sourceforge.net/lists/listinfo/matplotlib-devel



-- 
Thomas Caswell
tca...@gm...

I will be there.  I'm also willing to join in on any discussion.

On Thu, Feb 27, 2014 at 10:28 AM, Michael Droettboom <md...@st...> wrote:
> How many matplotlib developers are planning to attend SciPy this year?
>
> If we used some of our funds to support an extra hotel night, would any
> of you be interested in spending an extra day for a "matplotlib
> developer summit" to discuss matplotlib projects?  This would be in
> addition to the sprints, which I see probably being a larger group. Your
> response isn't a committment at this point, I'm just trying to gauge how
> much interest there might be.
>
> Mike
>
> --
>                     _
> |\/|o _|_  _. _ | | \.__  __|__|_|_  _  _ ._ _
> |  ||(_| |(_|(/_| |_/|(_)(/_|_ |_|_)(_)(_)| | |
>
> http://www.droettboom.com
>
>
> ------------------------------------------------------------------------------
> Flow-based real-time traffic analytics software. Cisco certified tool.
> Monitor traffic, SLAs, QoS, Medianet, WAAS etc. with NetFlow Analyzer
> Customize your own dashboards, set traffic alerts and generate reports.
> Network behavioral analysis & security monitoring. All-in-one tool.
> http://pubads.g.doubleclick.net/gampad/clk?id=126839071&iu=/4140/ostg.clktrk
> _______________________________________________
> Matplotlib-devel mailing list
> Mat...@li...
> https://lists.sourceforge.net/lists/listinfo/matplotlib-devel



-- 
Damon McDougall
http://www.damon-is-a-geek.com
Institute for Computational Engineering Sciences
201 E. 24th St.
Stop C0200
The University of Texas at Austin
Austin, TX 78712-1229