Re: [Matplotlib-users] "zig-zag" to represent suppressed 0 on axis?

[Francesco Montesano]

Il giorno 08/apr/2013 21:05, "Kevin Hunter Kesling"  ha
scritto:
>
> At 4:20pm -0400 Sun, 07 Apr 2013, Francesco Montesano wrote:
>>
>> Il giorno 07/apr/2013 21:03, Kevin Hunter Kesling ha scritto:
>>
>>> On the other hand, I'm still such a noob at Matplotlib ... is there
>>> a way to have one of the subplots take up more than its default 50%
>>> allotment?
>>
>>
>> you can give a look at the last two plots in this example
>> http://matplotlib.org/examples/pylab_examples/demo_tight_layout.html or
use
>> plot.axes providing the rectangle that you want
>
>
> That is closer to what I want, but still not there.  I was finally able
to find something that fit the bill to 95% of what I want:
>
>
http://matplotlib.1069221.n5.nabble.com/Proposal-for-Broken-Axes-td38050.html
>
> The first post by 'klukas' does exactly what I asked for.  It's a zig-zag
on the Y-axis to show that what is graphed is not continuous, and unlike
the various "official" examples, the zig-zag placement is user-specifiable,
as opposed to exactly halfway between the top and bottom.
>
> The only thing I have yet to figure out how to do is to simultaneously
have a zig-zag on the X axis as well -- an artifact of how these zig-zags
must be created via multiple axes on the same figure, rather than as built
in to the axis artist.
>
> For googleability:
>
> The above linked graph code enables for matplotlib:
>
>  - suppressed zeros on the Y-axis of an XY plot
>  - showing suppressed data on the Y-axis
>  - lightning bolt symbol on the Y-axis
>  - zig-zag on the Y-axis
>  - a "broken" Y-axis
>
> Thanks for your pointers, Francesco, as they helped me to fine-tune my
Google search terms.  And thank you, Klukas, whoever you are.
>

I'm half that you found the solution for your problem and to have been
useful just providing links. This has been one of the easiest answer I have
ever given :)

And mostly thanks for sharing your findings.

cheers and good night,
Fra

> Cheers,
>
> Kevin
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Re: [Matplotlib-users] "zig-zag" to represent suppressed 0 on axis?

[ChaoYue]

Hi Kevin,

I don't check the link you provided very carefully. So I guess you already
find a solution.
otherwise I have done something similar before and have made a bit general
function to do
the job, which I think might be helpful for you.

You can check the following three functions at
https://github.com/ChaoYue/pylsce/blob/master/g.py

Calc_Newaxes_Fraction
Axes_Replace_Split_Axes
Axes_Set_Breakaxis

a working example is below:

>>> fig,axs = plt.subplots(nrows=2)
>>> bottom_ax, top_ax =
g.Axes_Replace_Split_Axes(fig,axs[0],split_fraction=[0.36,0.04,0.6],direction='v')
>>> g.Axes_Set_Breakaxis(bottom_ax, top_ax, 0.01,0.03,'v')
>>> left_ax, right_ax =
g.Axes_Replace_Split_Axes(fig,axs[1],split_fraction=[0.38,0.02,0.6],direction='h')
>>> g.Axes_Set_Breakaxis(left_ax, right_ax, 0.03,0.02,'h')

the figure is as attached.

cheers,

chao



On Mon, Apr 8, 2013 at 9:05 PM, Kevin Hunter [via matplotlib] <
ml-node+s1069221n40857...@n5.nabble.com> wrote:

> At 4:20pm -0400 Sun, 07 Apr 2013, Francesco Montesano wrote:
> > Il giorno 07/apr/2013 21:03, Kevin Hunter Kesling ha scritto:
> >> On the other hand, I'm still such a noob at Matplotlib ... is there
> >> a way to have one of the subplots take up more than its default 50%
> >> allotment?
> >
> > you can give a look at the last two plots in this example
> > http://matplotlib.org/examples/pylab_examples/demo_tight_layout.html or
> use
> > plot.axes providing the rectangle that you want
>
> That is closer to what I want, but still not there.  I was finally able
> to find something that fit the bill to 95% of what I want:
>
>
> http://matplotlib.1069221.n5.nabble.com/Proposal-for-Broken-Axes-td38050.html
>
> The first post by 'klukas' does exactly what I asked for.  It's a
> zig-zag on the Y-axis to show that what is graphed is not continuous,
> and unlike the various "official" examples, the zig-zag placement is
> user-specifiable, as opposed to exactly halfway between the top and
> bottom.
>
> The only thing I have yet to figure out how to do is to simultaneously
> have a zig-zag on the X axis as well -- an artifact of how these
> zig-zags must be created via multiple axes on the same figure, rather
> than as built in to the axis artist.
>
> For googleability:
>
> The above linked graph code enables for matplotlib:
>
>   - suppressed zeros on the Y-axis of an XY plot
>   - showing suppressed data on the Y-axis
>   - lightning bolt symbol on the Y-axis
>   - zig-zag on the Y-axis
>   - a "broken" Y-axis
>
> Thanks for your pointers, Francesco, as they helped me to fine-tune my
> Google search terms.  And thank you, Klukas, whoever you are.
>
> Cheers,
>
> Kevin
>
> --
>
> Minimize network downtime and maximize team effectiveness.
> Reduce network management and security costs.Learn how to hire
> the most talented Cisco Certified professionals. Visit the
> Employer Resources Portal
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> NAML
>



-- 
***
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break_axis.jpg (182K) 





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Re: [Matplotlib-users] "zig-zag" to represent suppressed 0 on axis?

[Kevin Hunter Kesling]

At 4:20pm -0400 Sun, 07 Apr 2013, Francesco Montesano wrote:
> Il giorno 07/apr/2013 21:03, Kevin Hunter Kesling ha scritto:
>> On the other hand, I'm still such a noob at Matplotlib ... is there
>> a way to have one of the subplots take up more than its default 50%
>> allotment?
>
> you can give a look at the last two plots in this example
> http://matplotlib.org/examples/pylab_examples/demo_tight_layout.html or use
> plot.axes providing the rectangle that you want

That is closer to what I want, but still not there.  I was finally able 
to find something that fit the bill to 95% of what I want:

http://matplotlib.1069221.n5.nabble.com/Proposal-for-Broken-Axes-td38050.html

The first post by 'klukas' does exactly what I asked for.  It's a 
zig-zag on the Y-axis to show that what is graphed is not continuous, 
and unlike the various "official" examples, the zig-zag placement is 
user-specifiable, as opposed to exactly halfway between the top and bottom.

The only thing I have yet to figure out how to do is to simultaneously 
have a zig-zag on the X axis as well -- an artifact of how these 
zig-zags must be created via multiple axes on the same figure, rather 
than as built in to the axis artist.

For googleability:

The above linked graph code enables for matplotlib:

  - suppressed zeros on the Y-axis of an XY plot
  - showing suppressed data on the Y-axis
  - lightning bolt symbol on the Y-axis
  - zig-zag on the Y-axis
  - a "broken" Y-axis

Thanks for your pointers, Francesco, as they helped me to fine-tune my 
Google search terms.  And thank you, Klukas, whoever you are.

Cheers,

Kevin

--
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the most talented Cisco Certified professionals. Visit the 
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Re: [Matplotlib-users] "zig-zag" to represent suppressed 0 on axis?

[Francesco Montesano]

Il giorno 07/apr/2013 21:03, "Kevin Hunter Kesling"  ha
scritto:
>
> At 2:34pm -0400 Sun, 07 Apr 2013, Francesco Montesano wrote:
>>
>> 2013/4/7 Kevin Hunter Kesling
>>
>>> I'm looking for a way to represent on an X-Y graph the fact that an axis
>>> does not start from the origin.  When drawing by hand, I'll use a little
>>> zig-zag, lightning bolt, or slight space on the axis in question to
>>> represent this fact, just off from where the X and Y axis lines meet.
>>> How would I go about telling Matplotlib to do this?  After two hours of
>>> perusing the Axes documentation, and tooling around in an IPython shell,
>>> I appear to be striking out.
>>>
>>> If you are using a monospaced font to view this email, this may
>>> illustrate the functionality for which I'm looking:
>>>
>>>150 ||  * *
>>>145 ||  *  *
>>>140 || **
>>>135 || *
>>>130 ||
>>>/
>>> /  < "zig zag" I want
>>>||
>>>  0   
>>> 0   1   2   3   4   5   6   7   8
>
>
>> Have you given a look at this example:
>> http://matplotlib.org/examples/pylab_examples/broken_axis.html
>
>
> Damn, I clearly missed that one.  And once I know what I'm looking for,
my eye goes right to it.  Sorry for the noise.
>
> On the other hand, I'm still such a noob at Matplotlib ... is there a way
to have one of the subplots take up more than its default 50% allotment?
>
> Thanks,
>
> Kevin

hi Kevin,
you can give a look at the last two plots in this example
http://matplotlib.org/examples/pylab_examples/demo_tight_layout.html or use
plot.axes providing the rectangle that you want

fra
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Re: [Matplotlib-users] "zig-zag" to represent suppressed 0 on axis?

[Kevin Hunter Kesling]

At 2:34pm -0400 Sun, 07 Apr 2013, Francesco Montesano wrote:
> 2013/4/7 Kevin Hunter Kesling
>> I'm looking for a way to represent on an X-Y graph the fact that an axis
>> does not start from the origin.  When drawing by hand, I'll use a little
>> zig-zag, lightning bolt, or slight space on the axis in question to
>> represent this fact, just off from where the X and Y axis lines meet.
>> How would I go about telling Matplotlib to do this?  After two hours of
>> perusing the Axes documentation, and tooling around in an IPython shell,
>> I appear to be striking out.
>>
>> If you are using a monospaced font to view this email, this may
>> illustrate the functionality for which I'm looking:
>>
>>150 ||  * *
>>145 ||  *  *
>>140 || **
>>135 || *
>>130 ||
>>/
>> /  < "zig zag" I want
>>||
>>  0   
>> 0   1   2   3   4   5   6   7   8

> Have you given a look at this example:
> http://matplotlib.org/examples/pylab_examples/broken_axis.html

Damn, I clearly missed that one.  And once I know what I'm looking for, 
my eye goes right to it.  Sorry for the noise.

On the other hand, I'm still such a noob at Matplotlib ... is there a 
way to have one of the subplots take up more than its default 50% allotment?

Thanks,

Kevin

--
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Re: [Matplotlib-users] "zig-zag" to represent suppressed 0 on axis?

[Francesco Montesano]

2013/4/7 Kevin Hunter Kesling 

> Hullo Matplotlib List,
>
> I'm looking for a way to represent on an X-Y graph the fact that an axis
> does not start from the origin.  When drawing by hand, I'll use a little
> zig-zag, lightning bolt, or slight space on the axis in question to
> represent this fact, just off from where the X and Y axis lines meet.
> How would I go about telling Matplotlib to do this?  After two hours of
> perusing the Axes documentation, and tooling around in an IPython shell,
> I appear to be striking out.
>
> If you are using a monospaced font to view this email, this may
> illustrate the functionality for which I'm looking:
>
>
>   150 ||  * *
>   145 ||  *  *
>   140 || **
>   135 || *
>   130 ||
>   /
>/  < "zig zag" I want
>   ||
> 0   
>0   1   2   3   4   5   6   7   8
>
>
> Many thanks for any help,
>
> Kevin
>
>
> --
> Minimize network downtime and maximize team effectiveness.
> Reduce network management and security costs.Learn how to hire
> the most talented Cisco Certified professionals. Visit the
> Employer Resources Portal
> http://www.cisco.com/web/learning/employer_resources/index.html
> ___
> Matplotlib-users mailing list
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>

Hi Kevin,

Have you given a look at this example:
http://matplotlib.org/examples/pylab_examples/broken_axis.html

Francesco
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