Re: [Matplotlib-users] grid on log-plots

2009-09-09 Thread Yann 
I can not try your revision but I will do it as soon as it is released.
Nervertheless I try your snippet with an AxesZero. I get the gridlines 
and the axis but the first was over the second. It is not what I expected.
As far as I am concerned, I can wait until matplotlib next release.

Thanks,

Yann

On 09/08/2009 08:13 PM, Jae-Joon Lee wrote:
 On Tue, Sep 8, 2009 at 11:51 AM, Yann
 Goudardmatplotlib-us...@alleeduweb.eu  wrote:

 Hi,

 I have the same behaviour with LocatableAxes. HostAxes, ParasiteAxes and
 LocatableAxes depend on 'mpl_toolkits.axes_grid.axislines.Axes'. It must
 be the matter origin.
  
 Yes, and this was because I forgot to implement some necessary methods.
 This is now fixed in the svn trunk. So if you can,please give it a try.


 This another example should draw a grid but does not:

 import wx
 from wx import Frame
 from matplotlib.backends.backend_wxagg import FigureFrameWxAgg,
 FigureCanvasWxAgg
 from matplotlib.figure import Figure
 from mpl_toolkits.axes_grid.axes_divider import LocatableAxes

 fig = Figure((1, 1), 50)
 axes = LocatableAxes(fig, [0, 0, 1, 1])
 # axes.toggle_axisline(False)
 axes.grid(True)
 fig.add_axes(axes)

 app = wx.PySimpleApp()
 my_viewer = FigureFrameWxAgg(-1, fig)
 my_viewer.Show()
 app.MainLoop()

 If you uncomment axes.toggle_axisline(False), it works cause it uses
 normal 'matplolib.axes.Axes' behaviour. It is not a matter for common
 use but if you need 'AxesZero', this trick does not work.
  
 What the toggle_axisline does is simply to make the xaxis and yaxis
 (which are responsible for drawing ticks, ticklabels, etc  in the
 mainline mpl) visible again, and make axis[bottom] and etc
 invisible.
 One workaround is to make xaxis and yaxis visible but pnly to draw the
 gridlines. Something like below.

 ax.toggle_axisline(True)
 ax.grid(True)
 ax.gridlines.set_visible(False) # this is just to make the code not to
 draw gridlines twice in future release of mpl.
 ax.xaxis.set_visible(True)
 ax.yaxis.set_visible(True)
 for t in ax.xaxis.majorTicks + ax.yaxis.majorTicks:
  t.gridOn = True
  t.tick1On = False
  t.tick2On = False
  t.label1On = False
  t.label2On = False

 Let me know if this does not work, or there is a case that this cannot be 
 used.
 Regards,

 -JJ



 Yann


 On 09/07/2009 10:37 PM, Andreas Fromm wrote:
  
 thanks Sebastian,

 you are right, your code works here too. But i don't get it work in my
 multi y-axes plot from the matplotlib examples
 (http://matplotlib.sourceforge.net/examples/axes_grid/demo_parasite_axes.html).
 Even with linear plots, i get no gridlines.

 Any idea, whats wrong here?

 minimal code example:
 ###
 import matplotlib.pyplot as plt
 from mpl_toolkits.axes_grid.parasite_axes import HostAxes, ParasiteAxes

 fig = plt.figure(1)
 fig.clf()
 #plt.grid(True)
 host = HostAxes(fig, [0.15, 0.1, 0.65, 0.8])
 fig.add_axes(host)

 host.plot([0, 10, 100], [0, 10, 100], label='host')

 host.grid(True)  #?
 host.yaxis.grid(True) #?

 host.yaxis.set_scale('log') #?

 plt.draw()
 plt.show()
 ###

 Greets,
 Andreas


 Sebastian Busch schrieb:


 from matplotlib.pyplot import *

 plot([1,10,100],[1,10,100])
 grid()

 yscale('log')
 xscale('log')

 works here.

 best,
 sebastian.


  
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Re: [Matplotlib-users] grid on log-plots

2009-09-09 Thread Jae-Joon Lee 
On Wed, Sep 9, 2009 at 4:30 AM, Yanny...@alleeduweb.eu wrote:
 I can not try your revision but I will do it as soon as it is released.
 Nervertheless I try your snippet with an AxesZero. I get the gridlines
 and the axis but the first was over the second. It is not what I expected.

You can rearrange the order of artists by setting the zorder.

 As far as I am concerned, I can wait until matplotlib next release.

Just to clarify, the patch will be included in the 1.0 release, not
the maintenance release of 0.99 version.

Regards,

-JJ



 Thanks,

 Yann

 On 09/08/2009 08:13 PM, Jae-Joon Lee wrote:
 On Tue, Sep 8, 2009 at 11:51 AM, Yann
 Goudardmatplotlib-us...@alleeduweb.eu  wrote:

 Hi,

 I have the same behaviour with LocatableAxes. HostAxes, ParasiteAxes and
 LocatableAxes depend on 'mpl_toolkits.axes_grid.axislines.Axes'. It must
 be the matter origin.

 Yes, and this was because I forgot to implement some necessary methods.
 This is now fixed in the svn trunk. So if you can,please give it a try.


 This another example should draw a grid but does not:

 import wx
 from wx import Frame
 from matplotlib.backends.backend_wxagg import FigureFrameWxAgg,
 FigureCanvasWxAgg
 from matplotlib.figure import Figure
 from mpl_toolkits.axes_grid.axes_divider import LocatableAxes

 fig = Figure((1, 1), 50)
 axes = LocatableAxes(fig, [0, 0, 1, 1])
 # axes.toggle_axisline(False)
 axes.grid(True)
 fig.add_axes(axes)

 app = wx.PySimpleApp()
 my_viewer = FigureFrameWxAgg(-1, fig)
 my_viewer.Show()
 app.MainLoop()

 If you uncomment axes.toggle_axisline(False), it works cause it uses
 normal 'matplolib.axes.Axes' behaviour. It is not a matter for common
 use but if you need 'AxesZero', this trick does not work.

 What the toggle_axisline does is simply to make the xaxis and yaxis
 (which are responsible for drawing ticks, ticklabels, etc  in the
 mainline mpl) visible again, and make axis[bottom] and etc
 invisible.
 One workaround is to make xaxis and yaxis visible but pnly to draw the
 gridlines. Something like below.

 ax.toggle_axisline(True)
 ax.grid(True)
 ax.gridlines.set_visible(False) # this is just to make the code not to
 draw gridlines twice in future release of mpl.
 ax.xaxis.set_visible(True)
 ax.yaxis.set_visible(True)
 for t in ax.xaxis.majorTicks + ax.yaxis.majorTicks:
      t.gridOn = True
      t.tick1On = False
      t.tick2On = False
      t.label1On = False
      t.label2On = False

 Let me know if this does not work, or there is a case that this cannot be 
 used.
 Regards,

 -JJ



 Yann


 On 09/07/2009 10:37 PM, Andreas Fromm wrote:

 thanks Sebastian,

 you are right, your code works here too. But i don't get it work in my
 multi y-axes plot from the matplotlib examples
 (http://matplotlib.sourceforge.net/examples/axes_grid/demo_parasite_axes.html).
 Even with linear plots, i get no gridlines.

 Any idea, whats wrong here?

 minimal code example:
 ###
 import matplotlib.pyplot as plt
 from mpl_toolkits.axes_grid.parasite_axes import HostAxes, ParasiteAxes

 fig = plt.figure(1)
 fig.clf()
 #plt.grid(True)
 host = HostAxes(fig, [0.15, 0.1, 0.65, 0.8])
 fig.add_axes(host)

 host.plot([0, 10, 100], [0, 10, 100], label='host')

 host.grid(True)  #?
 host.yaxis.grid(True) #?

 host.yaxis.set_scale('log') #?

 plt.draw()
 plt.show()
 ###

 Greets,
 Andreas


 Sebastian Busch schrieb:


 from matplotlib.pyplot import *

 plot([1,10,100],[1,10,100])
 grid()

 yscale('log')
 xscale('log')

 works here.

 best,
 sebastian.



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Re: [Matplotlib-users] grid on log-plots

2009-09-09 Thread jihi 
Hi,

is it enough to overwrite the axesgrid.py file in my matplotlib 0.99 
installation with the file from svn? I tried that, but i see no effects. 
Are there anywhere precompiled matplotlib releases for 1.0_win32_pre?

Andreas


Jae-Joon Lee schrieb:
 On Tue, Sep 8, 2009 at 11:51 AM, Yann
 Goudardmatplotlib-us...@alleeduweb.eu wrote:
   
 Hi,

 I have the same behaviour with LocatableAxes. HostAxes, ParasiteAxes and
 LocatableAxes depend on 'mpl_toolkits.axes_grid.axislines.Axes'. It must
 be the matter origin.
 

 Yes, and this was because I forgot to implement some necessary methods.
 This is now fixed in the svn trunk. So if you can,please give it a try.

   
 This another example should draw a grid but does not:

 import wx
 from wx import Frame
 from matplotlib.backends.backend_wxagg import FigureFrameWxAgg,
 FigureCanvasWxAgg
 from matplotlib.figure import Figure
 from mpl_toolkits.axes_grid.axes_divider import LocatableAxes

 fig = Figure((1, 1), 50)
 axes = LocatableAxes(fig, [0, 0, 1, 1])
 # axes.toggle_axisline(False)
 axes.grid(True)
 fig.add_axes(axes)

 app = wx.PySimpleApp()
 my_viewer = FigureFrameWxAgg(-1, fig)
 my_viewer.Show()
 app.MainLoop()

 If you uncomment axes.toggle_axisline(False), it works cause it uses
 normal 'matplolib.axes.Axes' behaviour. It is not a matter for common
 use but if you need 'AxesZero', this trick does not work.
 

 What the toggle_axisline does is simply to make the xaxis and yaxis
 (which are responsible for drawing ticks, ticklabels, etc  in the
 mainline mpl) visible again, and make axis[bottom] and etc
 invisible.
 One workaround is to make xaxis and yaxis visible but pnly to draw the
 gridlines. Something like below.

 ax.toggle_axisline(True)
 ax.grid(True)
 ax.gridlines.set_visible(False) # this is just to make the code not to
 draw gridlines twice in future release of mpl.
 ax.xaxis.set_visible(True)
 ax.yaxis.set_visible(True)
 for t in ax.xaxis.majorTicks + ax.yaxis.majorTicks:
 t.gridOn = True
 t.tick1On = False
 t.tick2On = False
 t.label1On = False
 t.label2On = False

 Let me know if this does not work, or there is a case that this cannot be 
 used.
 Regards,

 -JJ


   
 Yann


 On 09/07/2009 10:37 PM, Andreas Fromm wrote:
 
 thanks Sebastian,

 you are right, your code works here too. But i don't get it work in my
 multi y-axes plot from the matplotlib examples
 (http://matplotlib.sourceforge.net/examples/axes_grid/demo_parasite_axes.html).
 Even with linear plots, i get no gridlines.

 Any idea, whats wrong here?

 minimal code example:
 ###
 import matplotlib.pyplot as plt
 from mpl_toolkits.axes_grid.parasite_axes import HostAxes, ParasiteAxes

 fig = plt.figure(1)
 fig.clf()
 #plt.grid(True)
 host = HostAxes(fig, [0.15, 0.1, 0.65, 0.8])
 fig.add_axes(host)

 host.plot([0, 10, 100], [0, 10, 100], label='host')

 host.grid(True)  #?
 host.yaxis.grid(True) #?

 host.yaxis.set_scale('log') #?

 plt.draw()
 plt.show()
 ###

 Greets,
 Andreas


 Sebastian Busch schrieb:

   
 from matplotlib.pyplot import *

 plot([1,10,100],[1,10,100])
 grid()

 yscale('log')
 xscale('log')

 works here.

 best,
 sebastian.


 
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Re: [Matplotlib-users] grid on log-plots

2009-09-08 Thread Andreas Fromm 
thanks Sebastian,

you are right, your code works here too. But i don't get it work in my 
multi y-axes plot from the matplotlib examples 
(http://matplotlib.sourceforge.net/examples/axes_grid/demo_parasite_axes.html). 
Even with linear plots, i get no gridlines.

Any idea, whats wrong here?

minimal code example:
###
import matplotlib.pyplot as plt
from mpl_toolkits.axes_grid.parasite_axes import HostAxes, ParasiteAxes

fig = plt.figure(1)
fig.clf()
#plt.grid(True)
host = HostAxes(fig, [0.15, 0.1, 0.65, 0.8])
fig.add_axes(host)

host.plot([0, 10, 100], [0, 10, 100], label='host')

host.grid(True)  #?
host.yaxis.grid(True) #?

host.yaxis.set_scale('log') #?

plt.draw()
plt.show()
###

Greets,
Andreas


Sebastian Busch schrieb:
 from matplotlib.pyplot import *

 plot([1,10,100],[1,10,100])
 grid()

 yscale('log')
 xscale('log')

 works here.

 best,
 sebastian.
   

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Re: [Matplotlib-users] grid on log-plots

2009-09-08 Thread Jae-Joon Lee 
This is a bug in the axes_grid toolkit. As a matter of fact, gridlines
in rectlinear coordinate are not implemented yet.
Unfortunately, I don't see any easy workarounds.

You may use mpl's original axis artists, but some of the functionality
of axes_grid toolkit may be lost.

host.toggle_axisline(False)
host.yaxis.set_ticks_position(left)
host.yaxis.grid()
host.set_yscale(log)

With new spine support in mpl, I think a similar plot can be drawn
without using axes_grid toolkit.

Regards,

-JJ


On Mon, Sep 7, 2009 at 4:37 PM, Andreas Frommanfr...@gmx.de wrote:
 thanks Sebastian,

 you are right, your code works here too. But i don't get it work in my
 multi y-axes plot from the matplotlib examples
 (http://matplotlib.sourceforge.net/examples/axes_grid/demo_parasite_axes.html).
 Even with linear plots, i get no gridlines.

 Any idea, whats wrong here?

 minimal code example:
 ###
 import matplotlib.pyplot as plt
 from mpl_toolkits.axes_grid.parasite_axes import HostAxes, ParasiteAxes

 fig = plt.figure(1)
 fig.clf()
 #plt.grid(True)
 host = HostAxes(fig, [0.15, 0.1, 0.65, 0.8])
 fig.add_axes(host)

 host.plot([0, 10, 100], [0, 10, 100], label='host')

 host.grid(True)  #?
 host.yaxis.grid(True) #?

 host.yaxis.set_scale('log') #?

 plt.draw()
 plt.show()
 ###

 Greets,
 Andreas


 Sebastian Busch schrieb:
 from matplotlib.pyplot import *

 plot([1,10,100],[1,10,100])
 grid()

 yscale('log')
 xscale('log')

 works here.

 best,
 sebastian.


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Re: [Matplotlib-users] grid on log-plots

2009-09-08 Thread Jae-Joon Lee 
On Tue, Sep 8, 2009 at 11:51 AM, Yann
Goudardmatplotlib-us...@alleeduweb.eu wrote:
 Hi,

 I have the same behaviour with LocatableAxes. HostAxes, ParasiteAxes and
 LocatableAxes depend on 'mpl_toolkits.axes_grid.axislines.Axes'. It must
 be the matter origin.

Yes, and this was because I forgot to implement some necessary methods.
This is now fixed in the svn trunk. So if you can,please give it a try.

 This another example should draw a grid but does not:

 import wx
 from wx import Frame
 from matplotlib.backends.backend_wxagg import FigureFrameWxAgg,
 FigureCanvasWxAgg
 from matplotlib.figure import Figure
 from mpl_toolkits.axes_grid.axes_divider import LocatableAxes

 fig = Figure((1, 1), 50)
 axes = LocatableAxes(fig, [0, 0, 1, 1])
 # axes.toggle_axisline(False)
 axes.grid(True)
 fig.add_axes(axes)

 app = wx.PySimpleApp()
 my_viewer = FigureFrameWxAgg(-1, fig)
 my_viewer.Show()
 app.MainLoop()

 If you uncomment axes.toggle_axisline(False), it works cause it uses
 normal 'matplolib.axes.Axes' behaviour. It is not a matter for common
 use but if you need 'AxesZero', this trick does not work.

What the toggle_axisline does is simply to make the xaxis and yaxis
(which are responsible for drawing ticks, ticklabels, etc  in the
mainline mpl) visible again, and make axis[bottom] and etc
invisible.
One workaround is to make xaxis and yaxis visible but pnly to draw the
gridlines. Something like below.

ax.toggle_axisline(True)
ax.grid(True)
ax.gridlines.set_visible(False) # this is just to make the code not to
draw gridlines twice in future release of mpl.
ax.xaxis.set_visible(True)
ax.yaxis.set_visible(True)
for t in ax.xaxis.majorTicks + ax.yaxis.majorTicks:
t.gridOn = True
t.tick1On = False
t.tick2On = False
t.label1On = False
t.label2On = False

Let me know if this does not work, or there is a case that this cannot be used.
Regards,

-JJ



 Yann


 On 09/07/2009 10:37 PM, Andreas Fromm wrote:
 thanks Sebastian,

 you are right, your code works here too. But i don't get it work in my
 multi y-axes plot from the matplotlib examples
 (http://matplotlib.sourceforge.net/examples/axes_grid/demo_parasite_axes.html).
 Even with linear plots, i get no gridlines.

 Any idea, whats wrong here?

 minimal code example:
 ###
 import matplotlib.pyplot as plt
 from mpl_toolkits.axes_grid.parasite_axes import HostAxes, ParasiteAxes

 fig = plt.figure(1)
 fig.clf()
 #plt.grid(True)
 host = HostAxes(fig, [0.15, 0.1, 0.65, 0.8])
 fig.add_axes(host)

 host.plot([0, 10, 100], [0, 10, 100], label='host')

 host.grid(True)  #?
 host.yaxis.grid(True) #?

 host.yaxis.set_scale('log') #?

 plt.draw()
 plt.show()
 ###

 Greets,
 Andreas


 Sebastian Busch schrieb:

 from matplotlib.pyplot import *

 plot([1,10,100],[1,10,100])
 grid()

 yscale('log')
 xscale('log')

 works here.

 best,
 sebastian.


 --
 Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day
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[Matplotlib-users] grid on log-plots

2009-09-07 Thread jihi 
Hi,

can anybody tell me how to get gridlines in a logarithmic plot?

i tried eg.:
loglog([1,10,100], [1,10,100])
grid(True)

but neither the grid is drawn, nor an error occur. When i make a linear 
plot, grid(True) works fine and draws the grid.

(win32, python 2.6, matplotlib 0.99)

Thanks

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Re: [Matplotlib-users] grid on log-plots

2009-09-07 Thread Sebastian Busch 
jihi wrote:
 ... can anybody tell me how to get gridlines in a logarithmic plot? ...
from matplotlib.pyplot import *

plot([1,10,100],[1,10,100])
grid()

yscale('log')
xscale('log')

works here.

best,
sebastian.



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