Re: [Matplotlib-users] Centering Text with axes_divider

2012-03-10 Thread Jae-Joon Lee
I wonder why the simple text command does not work for you? e.g.,

def add_center_text(ax):
ax.text(0.5, 0.9075, Centered Title, ha='center', va='center',
fontsize=18,
bbox=dict(boxstyle='round, pad=0.5, rounding_size=0.25', fc=white,
  ec=k, lw=2),
transform=ax.transAxes)

Also, annotate command gives you more flexibility in text positioning.

The axes location is supposed to be known during the drawing time. To
get the axes position, you may do  something like

   ax1._axes_locator(ax1, fig._cachedRenderer)

Of course, this need to be done after the figure is properly drawn
(e.g., after calling draw()) or during the drawing time.

Regards,

-JJ


On Sat, Mar 10, 2012 at 1:00 PM, Patrick Marsh patrickmars...@gmail.com wrote:
 Hi, All,

 Here's an update to the problem I submitted last night.

 I was able to utilize anchored text to work for centering a title, which is
 ultimately what I'm wanting to do now. (Although, I'd still like to know the
 proper way to get the axes bounds when using axes_divider).  The new problem
 lies how to horizontally align the text inside the anchored box. When the
 horizontal alignment is left, the text lines up in the anchored box.
 However, as the updated example below shows, then you use center or
 right, the text is now positioned outside the anchored box.  Is this a bug
 in how the text is aligned? If so, how might I go about tracking it down?


 https://gist.github.com/2004869 (rev: b984ca)


 Cheers,
 Patrick
 ---
 Patrick Marsh
 Ph.D. Student / Liaison to the HWT
 School of Meteorology / University of Oklahoma
 Cooperative Institute for Mesoscale Meteorological Studies
 National Severe Storms Laboratory
 http://www.patricktmarsh.com



 On Fri, Mar 9, 2012 at 12:12 AM, Patrick Marsh patrickmars...@gmail.com
 wrote:

 Greetings,

 Let me begin by saying that I've fallen in love with ImageGrid. I love the
 control it gives me in setting up plots, and I really like the control it
 offers for setting up a colorbar. Unfortunately, like all relationships,
 ImageGrid and I have hit a rough patch.

 I like to manually place titles and other boxes of texts on plots that I
 make using ImageGrid. However, to center things I have to know what the axes
 bounds are so I can do the centering calculations. Unfortunately, when using
 ImageGrid, or axes_divider, I have yet to find a way to get the axes bounds
 that are actually used to do the plotting. When I try to use

 ax.get_position().bounds

 I get the pre-adjusted bounds, even if I use plt.draw() before requesting
 the axes_positions. This means the only way I can center the text is by
 guessing what the final axes bounds will be.  Is there any way of getting
 the final bounds? It appears anchored text is able to do it, but I haven't
 been able to...


 Here's a self-contained example script that demonstrates the problem.  I
 don't use ImageGrid, instead using axes_divider, however this is the same
 problem that AxesGrid has. (I'm guessing this is because ImageGrid
 ultimately does what I did here behind the scenes.)

 https://gist.github.com/2004869


 Thanks for any help!


 Patrick
 ---
 Patrick Marsh
 Ph.D. Student / Liaison to the HWT
 School of Meteorology / University of Oklahoma
 Cooperative Institute for Mesoscale Meteorological Studies
 National Severe Storms Laboratory
 http://www.patricktmarsh.com




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Re: [Matplotlib-users] Centering Text with axes_divider

2012-03-10 Thread Patrick Marsh
Hi, JJ,

I wonder why the simple text command does not work for you? e.g.,

 def add_center_text(ax):
ax.text(0.5, 0.9075, Centered Title, ha='center', va='center',
 fontsize=18,
bbox=dict(boxstyle='round, pad=0.5, rounding_size=0.25',
 fc=white,
  ec=k, lw=2),
transform=ax.transAxes)


The simple answer here is that I didn't understand what the transform
keyword argument was doing. I'm not entirely sure, still, but I gather it
has something to do with handling the changing of the axes coordinates.
 Man, I still have so much to learn about MPL


Also, annotate command gives you more flexibility in text positioning.

 The axes location is supposed to be known during the drawing time. To
 get the axes position, you may do  something like

   ax1._axes_locator(ax1, fig._cachedRenderer)

 Of course, this need to be done after the figure is properly drawn
 (e.g., after calling draw()) or during the drawing time.


Excellent. Thank you fot taking the time to explain how this works.
Although your first suggestion is what I need for the moment, I'm glad to
know how to get the axes positions, should I ever need them.


Thanks again!


Patrick
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also focuses on allowing computing to be delivered as a service.
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Re: [Matplotlib-users] Centering Text with axes_divider

2012-03-09 Thread Patrick Marsh
Hi, All,

Here's an update to the problem I submitted last night.

I was able to utilize anchored text to work for centering a title, which is
ultimately what I'm wanting to do now. (Although, I'd still like to know
the proper way to get the axes bounds when using axes_divider).  The new
problem lies how to horizontally align the text inside the anchored box.
When the horizontal alignment is left, the text lines up in the anchored
box. However, as the updated example below shows, then you use center or
right, the text is now positioned outside the anchored box.  Is this a
bug in how the text is aligned? If so, how might I go about tracking it
down?


https://gist.github.com/2004869 (rev: b984ca)


Cheers,
Patrick
---
Patrick Marsh
Ph.D. Student / Liaison to the HWT
School of Meteorology / University of Oklahoma
Cooperative Institute for Mesoscale Meteorological Studies
National Severe Storms Laboratory
http://www.patricktmarsh.com



On Fri, Mar 9, 2012 at 12:12 AM, Patrick Marsh patrickmars...@gmail.comwrote:

 Greetings,

 Let me begin by saying that I've fallen in love with ImageGrid. I love the
 control it gives me in setting up plots, and I really like the control it
 offers for setting up a colorbar. Unfortunately, like all relationships,
 ImageGrid and I have hit a rough patch.

 I like to manually place titles and other boxes of texts on plots that I
 make using ImageGrid. However, to center things I have to know what the
 axes bounds are so I can do the centering calculations. Unfortunately, when
 using ImageGrid, or axes_divider, I have yet to find a way to get the axes
 bounds that are actually used to do the plotting. When I try to use

 ax.get_position().bounds

 I get the pre-adjusted bounds, even if I use plt.draw() before requesting
 the axes_positions. This means the only way I can center the text is by
 guessing what the final axes bounds will be.  Is there any way of getting
 the final bounds? It appears anchored text is able to do it, but I haven't
 been able to...


 Here's a self-contained example script that demonstrates the problem.  I
 don't use ImageGrid, instead using axes_divider, however this is the same
 problem that AxesGrid has. (I'm guessing this is because ImageGrid
 ultimately does what I did here behind the scenes.)

 https://gist.github.com/2004869


 Thanks for any help!


 Patrick
 ---
 Patrick Marsh
 Ph.D. Student / Liaison to the HWT
 School of Meteorology / University of Oklahoma
 Cooperative Institute for Mesoscale Meteorological Studies
 National Severe Storms Laboratory
 http://www.patricktmarsh.com



--
Virtualization  Cloud Management Using Capacity Planning
Cloud computing makes use of virtualization - but cloud computing 
also focuses on allowing computing to be delivered as a service.
http://www.accelacomm.com/jaw/sfnl/114/51521223/___
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[Matplotlib-users] Centering Text with axes_divider

2012-03-08 Thread Patrick Marsh
Greetings,

Let me begin by saying that I've fallen in love with ImageGrid. I love the
control it gives me in setting up plots, and I really like the control it
offers for setting up a colorbar. Unfortunately, like all relationships,
ImageGrid and I have hit a rough patch.

I like to manually place titles and other boxes of texts on plots that I
make using ImageGrid. However, to center things I have to know what the
axes bounds are so I can do the centering calculations. Unfortunately, when
using ImageGrid, or axes_divider, I have yet to find a way to get the axes
bounds that are actually used to do the plotting. When I try to use

ax.get_position().bounds

I get the pre-adjusted bounds, even if I use plt.draw() before requesting
the axes_positions. This means the only way I can center the text is by
guessing what the final axes bounds will be.  Is there any way of getting
the final bounds? It appears anchored text is able to do it, but I haven't
been able to...


Here's a self-contained example script that demonstrates the problem.  I
don't use ImageGrid, instead using axes_divider, however this is the same
problem that AxesGrid has. (I'm guessing this is because ImageGrid
ultimately does what I did here behind the scenes.)

https://gist.github.com/2004869


Thanks for any help!


Patrick
---
Patrick Marsh
Ph.D. Student / Liaison to the HWT
School of Meteorology / University of Oklahoma
Cooperative Institute for Mesoscale Meteorological Studies
National Severe Storms Laboratory
http://www.patricktmarsh.com
--
Virtualization  Cloud Management Using Capacity Planning
Cloud computing makes use of virtualization - but cloud computing 
also focuses on allowing computing to be delivered as a service.
http://www.accelacomm.com/jaw/sfnl/114/51521223/___
Matplotlib-users mailing list
Matplotlib-users@lists.sourceforge.net
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