Re: [Matplotlib-users] Setting the tick label font size

2013-10-29 Thread Daniele Nicolodi
On 29/10/2013 03:11, Ryan Nelson wrote:
 Daniele,
 
 I noticed the same problem with the Qt backend. However, I was looking
 at the documentation on the AxesGrid webpage here:
 http://matplotlib.org/mpl_toolkits/axes_grid/users/overview.html
 And I see the following warning:
 
 axes_grid and axisartist (but not axes_grid1) uses a custom Axes class
 (derived from the mpl’s original Axes class). As a side effect, some
 commands (mostly tick-related) do not work. Use axes_grid1 to avoid
 this, or see how things are different in axes_grid and axisartist (LINK
 needed)
 
 Unfortunately, no link. But perhaps there is a way to avoid using the
 Axes class from axisartist in your use case. For example, could you
 import the Axes class as follows:
 
 from matplotlib.axes import Axes
 
 That seems to work with the Qt and PDF backends on Windows 7 (Anaconda
 Python).

Hello Ryan,

thanks for confirming the problem.  I've also seen that note, but I
thought do not work means that the methods raise an exception, not
that they arbitrarily ignore arguments :(

While the standard Axis class works for the cut-down example I posted,
it does not for what I'm trying to achieve (having a second x axis below
the main one).  I came up with that solution following the matplotlib
documentation:

http://matplotlib.org/mpl_toolkits/axes_grid/users/overview.html#axisartist-with-parasiteaxes

however I don't really understand why some of the contortions there are
necessary (they are not explained in the documentation).

Cheers,
Daniele


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[Matplotlib-users] Pick event after using Zoom to rectangle

2013-10-29 Thread Nils Wagner
Hi all,

How can I use a pick event when I have used Zoom to rectangle before ?

Nils
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Re: [Matplotlib-users] Pick event after using Zoom to rectangle

2013-10-29 Thread Joe Kington
If you're asking how to do it interactively, just click on the zoom button
again, and you should be able to fire pick events by clicking again.

Hope that helps!
-Joe
On Oct 29, 2013 4:58 AM, Nils Wagner nils...@googlemail.com wrote:

 Hi all,

 How can I use a pick event when I have used Zoom to rectangle before ?

 Nils



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Re: [Matplotlib-users] Pick event after using Zoom to rectangle

2013-10-29 Thread Nils Wagner
Thank you very much !


On Tue, Oct 29, 2013 at 3:16 PM, Joe Kington joferking...@gmail.com wrote:

 If you're asking how to do it interactively, just click on the zoom button
 again, and you should be able to fire pick events by clicking again.

 Hope that helps!
 -Joe
 On Oct 29, 2013 4:58 AM, Nils Wagner nils...@googlemail.com wrote:

 Hi all,

 How can I use a pick event when I have used Zoom to rectangle before ?

 Nils



 --
 Android is increasing in popularity, but the open development platform
 that
 developers love is also attractive to malware creators. Download this
 white
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 Android apps secure.

 http://pubads.g.doubleclick.net/gampad/clk?id=65839951iu=/4140/ostg.clktrk
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Re: [Matplotlib-users] Setting the tick label font size

2013-10-29 Thread Ryan Nelson
Daniele,

I agree this is perhaps a little overly complicated. (However, once you
figure it out, it does give you a ton of flexibility.)  I played around
with this a bit (thanks IPython!), and I may have figured out what you
wanted to do. I rewrote the example you linked from the MPL website. I
couldn't simplify it much, but it does change the size, location and labels
of the floating y axis.

#

from mpl_toolkits.axes_grid1 import host_subplot

import mpl_toolkits.axisartist as AA

import matplotlib.pyplot as plt


host = host_subplot(111, axes_class=AA.Axes)

plt.subplots_adjust(right=0.75)


par1 = host.twinx()


par2 = host.twinx()

offset = 60

new_fixed_axis = par2.get_grid_helper().new_fixed_axis

par2.axis[right] = new_fixed_axis(loc=right,

axes=par2,

offset=(offset, 0))

par2.axis[right].toggle(all=True)


p1, = host.plot([0, 1, 2], [0, 1, 2], label=Density)

p2, = par1.plot([0, 1, 2], [0, 3, 2], label=Temperature)

p3, = par2.plot([0, 1, 2], [50, 30, 15], label=Velocity)


host.legend()


host.set_xlabel(Distance)

host.set_ylabel(Density)

host.axis[left].label.set_color(p1.get_color())

host.set_xlim(0, 2)

host.set_ylim(0, 2)


par1.set_ylabel(Temperature)

par1.axis[right].label.set_color(p2.get_color())

par1.set_ylim(0, 4)


par2.set_ylabel(Velocity)

par2.set_ylim(1, 65)

par2.yaxis.set_ticks( (20.0, 40.0) )

par2.yaxis.set_ticklabels( ('A', 'B') )

par2.axis[right].label.set_color(p3.get_color())

par2.axis[right].label.set_fontsize(18)

par2.axis[right].major_ticklabels.set_fontsize(14)


plt.show()

##


Hope that helps.


Ryan


On Tue, Oct 29, 2013 at 5:54 AM, Daniele Nicolodi dani...@grinta.netwrote:

 On 29/10/2013 03:11, Ryan Nelson wrote:
  Daniele,
 
  I noticed the same problem with the Qt backend. However, I was looking
  at the documentation on the AxesGrid webpage here:
  http://matplotlib.org/mpl_toolkits/axes_grid/users/overview.html
  And I see the following warning:
 
  axes_grid and axisartist (but not axes_grid1) uses a custom Axes class
  (derived from the mpl’s original Axes class). As a side effect, some
  commands (mostly tick-related) do not work. Use axes_grid1 to avoid
  this, or see how things are different in axes_grid and axisartist (LINK
  needed)
 
  Unfortunately, no link. But perhaps there is a way to avoid using the
  Axes class from axisartist in your use case. For example, could you
  import the Axes class as follows:
 
  from matplotlib.axes import Axes
 
  That seems to work with the Qt and PDF backends on Windows 7 (Anaconda
  Python).

 Hello Ryan,

 thanks for confirming the problem.  I've also seen that note, but I
 thought do not work means that the methods raise an exception, not
 that they arbitrarily ignore arguments :(

 While the standard Axis class works for the cut-down example I posted,
 it does not for what I'm trying to achieve (having a second x axis below
 the main one).  I came up with that solution following the matplotlib
 documentation:


 http://matplotlib.org/mpl_toolkits/axes_grid/users/overview.html#axisartist-with-parasiteaxes

 however I don't really understand why some of the contortions there are
 necessary (they are not explained in the documentation).

 Cheers,
 Daniele



 --
 Android is increasing in popularity, but the open development platform that
 developers love is also attractive to malware creators. Download this white
 paper to learn more about secure code signing practices that can help keep
 Android apps secure.
 http://pubads.g.doubleclick.net/gampad/clk?id=65839951iu=/4140/ostg.clktrk
 ___
 Matplotlib-users mailing list
 Matplotlib-users@lists.sourceforge.net
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