matplotlib-users Mailing List for matplotlib

George Nurser wrote:
> I have been trying to
> i. plot a figure using pcolormesh
> ii. set the proportions of the figure using ax.set_aspect
> iii. draw colorbar
> 
> Problem is, colorbar height uses whole of axes box, not just height of
> figure (whose proportions were set by call of
> ax.set_aspect(aspect=2.,adjustable='box')).
> 
> I can't set the colorbar height manually either, as I don't know how
> to get out the bounding box of the figure -- ax.get_position() just
> gives the full axes box, which is unaffected by ax.set_aspect.
> 
> Is there any way of recovering the actual bounding box of the figure?
> The docstring for the method ax.set_position says:
> 
>     There are two position variables: one which is ultimately
>     used, but which may be modified by apply_aspect, and a second
>     which is the starting point for apply_aspect.
> 
>     which = 'active' to change the first;
>             'original' to change the second;
>             'both' to change both
> 
> which sounds relevant, but these variables don't seem to apply to
> ax.get_position()

George,

The problem with your attempt to use get_position() is that the aspect 
ratio does not affect the position until the apply_aspect method of the 
axes is called, which is normally when drawing occurs.  You can either 
call it yourself, or you can insert a draw command.  Here is an example 
of the first:

In [6]:pcolor(z)
Out[6]:<matplotlib.collections.PolyCollection instance at 0xb3db690c>

In [7]:gca().get_position()
Out[7]:[0.125, 0.099999999999999978, 0.77500000000000002, 
0.80000000000000004]

In [8]:gca().set_aspect(3)

In [9]:gca().get_position()
Out[9]:[0.125, 0.099999999999999978, 0.77500000000000002, 
0.80000000000000004]

In [10]:clf()

In [11]:pcolor(z)
Out[11]:<matplotlib.collections.PolyCollection instance at 0xb3dc6a6c>

In [12]:gca().get_position()
Out[12]:[0.125, 0.099999999999999978, 0.77500000000000002, 
0.80000000000000004]

In [13]:gca().set_aspect(3)

In [14]:gca().apply_aspect()

In [15]:gca().get_position()
Out[15]:
[0.31343312597200623,
  0.099999999999999978,
  0.39813374805598761,
  0.80000000000000004]

Eric

On 10/5/06, Hanno Klemm <kl...@ph...> wrote:
>
> Hi, I think I might have discovered a bug:
>
> On python 2.5 with the gtk backend and matplotlib 0.87.6 the following
> happens:
>
> >>> plot([1,2,3],'ko')
> [<matplotlib.lines.Line2D instance at 0x2a9ed68638>]
> >>> show()
> Traceback (most recent call last):
>   File
> "/glb/apps/python2.5/lib/python2.5/site-packages/matplotlib/backends/backend_gtk.py",
> line 284, in expose_event
>     self._render_figure(self._pixmap, w, h)
>   File
> "/glb/apps/python2.5/lib/python2.5/site-packages/matplotlib/backends/backend_gtk.py",
> line 272, in _render_figure
>     self.figure.draw (self._renderer)
>   File
> "/glb/apps/python2.5/lib/python2.5/site-packages/matplotlib/figure.py",
> line 545, in draw
>     for a in self.axes: a.draw(renderer)
>   File
> "/glb/apps/python2.5/lib/python2.5/site-packages/matplotlib/axes.py",
> line 1067, in draw
>     a.draw(renderer)
>   File
> "/glb/apps/python2.5/lib/python2.5/site-packages/matplotlib/lines.py",
> line 379, in draw
>     markerFunc(renderer, gc, xt, yt)
>   File
> "/glb/apps/python2.5/lib/python2.5/site-packages/matplotlib/lines.py",
> line 618, in _draw_circle
>     x, y, w, w, 0.0, 360.0, 0.0)
>   File
> "/glb/apps/python2.5/lib/python2.5/site-packages/matplotlib/backends/backend_gdk.py",
> line 97, in draw_arc
>     self.gdkDrawable.draw_arc(gc.gdkGC, True, x, y, w, h, a1, a2,
> rotation)
> TypeError: GdkDrawable.draw_arc() takes exactly 8 arguments (9 given)
>
> Any hints what is happening there?

This bug was my fault.  I added an extra argument for rotated
ellipsis.  I fixed it in svn.  Just remove the rotation arg from the
line of interest for a fix.

- Charlie

Hi, all:
I added a table to my figure using 'table' function. But since this table
is very long, the user can only see part of it. Is there any easy way to
add a scroll bar to the chart so that the user can scroll it down and see
it?
Thanks

On Thu, Oct 05, 2006 at 03:50:42PM -0400, zh...@um... wrote:
> Is there any easy fucntion to do that? Thanks

You mean like x.transpose() or x.T?

Is there any easy fucntion to do that? Thanks

configuration file... sorry

2006/10/5, Fran=E7ois Beaubert <fra...@un...>:
>
> Hi all,
>
> I have look in the doc and examples but was unable to find a way to
> control
> the thickness of the major and minor tick on the axis.
>
> Forgive me for this very basic question but if you now a way to do that..=
.
>
> Thanks a lot
> Francois
> --
> Fran=E7ois BEAUBERT
> ENSIAME/LME
> Bureau A9
> Universit=E9 de Valenciennes - Le Mont Houy - 59313 Valenciennes Cedex 9
> T=E9l=E9phone: (0/33)3 27 51 19 72
> T=E9l=E9copie: (0/33)3 27 51 19 61
> Mel: fra...@un...
>
> --
> This message has been scanned for viruses and
> dangerous content by MailScanner, and is
> believed to be clean.
>
>
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Fran=E7ois,
These options can be found in the matplotlibrc configuration figure, or can
be set at runtime using the rc command.

David



2006/10/5, Fran=E7ois Beaubert <fra...@un...>:
>
> Hi all,
>
> I have look in the doc and examples but was unable to find a way to
> control
> the thickness of the major and minor tick on the axis.
>
> Forgive me for this very basic question but if you now a way to do that..=
.
>
> Thanks a lot
> Francois
> --
> Fran=E7ois BEAUBERT
> ENSIAME/LME
> Bureau A9
> Universit=E9 de Valenciennes - Le Mont Houy - 59313 Valenciennes Cedex 9
> T=E9l=E9phone: (0/33)3 27 51 19 72
> T=E9l=E9copie: (0/33)3 27 51 19 61
> Mel: fra...@un...
>
> --
> This message has been scanned for viruses and
> dangerous content by MailScanner, and is
> believed to be clean.
>
>
> -------------------------------------------------------------------------
> Take Surveys. Earn Cash. Influence the Future of IT
> Join SourceForge.net's Techsay panel and you'll get the chance to share
> your
> opinions on IT & business topics through brief surveys -- and earn cash
> http://www.techsay.com/default.php?page=3Djoin.php&p=3Dsourceforge&CID=3D=
DEVDEV
> _______________________________________________
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> Mat...@li...
> https://lists.sourceforge.net/lists/listinfo/matplotlib-users
>

Hello -

In interactive mode it is sometimes useful to make a figure that is a full
screen size.
Is there such an option ?

If not, I am afraid it needs to be implemented for every backend
separately....

Thanks, Mark

Hi,

I currenly try to write a backend for win32 based on gecko (mozilla 
gecko plugin / XPCOM component).
I use the PIL module to build an Image object from the canvas buffer 
(buffer_rgba(0, 0) method).
When I ask this image to show with image.show() from the PIL.Image 
module, the image is mirrored according to the y dimension.
(0,0) is at the top left corner, text is reversed.

Can I generate the image with the correct direction ?
Can I reverse the image from matplotlib or have I to use some PIL (or 
others) methods ?

Thanks a lot,

Cyril.

The mailing lists have been down for a few days, and this is a test.

Charlie

Hi, I think I might have discovered a bug:

On python 2.5 with the gtk backend and matplotlib 0.87.6 the following
happens:

>>> plot([1,2,3],'ko')
[<matplotlib.lines.Line2D instance at 0x2a9ed68638>]
>>> show()
Traceback (most recent call last):
  File
"/glb/apps/python2.5/lib/python2.5/site-packages/matplotlib/backends/backend_gtk.py",
line 284, in expose_event
    self._render_figure(self._pixmap, w, h)
  File
"/glb/apps/python2.5/lib/python2.5/site-packages/matplotlib/backends/backend_gtk.py",
line 272, in _render_figure
    self.figure.draw (self._renderer)
  File
"/glb/apps/python2.5/lib/python2.5/site-packages/matplotlib/figure.py",
line 545, in draw
    for a in self.axes: a.draw(renderer)
  File
"/glb/apps/python2.5/lib/python2.5/site-packages/matplotlib/axes.py",
line 1067, in draw
    a.draw(renderer)
  File
"/glb/apps/python2.5/lib/python2.5/site-packages/matplotlib/lines.py",
line 379, in draw
    markerFunc(renderer, gc, xt, yt)
  File
"/glb/apps/python2.5/lib/python2.5/site-packages/matplotlib/lines.py",
line 618, in _draw_circle
    x, y, w, w, 0.0, 360.0, 0.0)
  File
"/glb/apps/python2.5/lib/python2.5/site-packages/matplotlib/backends/backend_gdk.py",
line 97, in draw_arc
    self.gdkDrawable.draw_arc(gc.gdkGC, True, x, y, w, h, a1, a2,
rotation)
TypeError: GdkDrawable.draw_arc() takes exactly 8 arguments (9 given)

Any hints what is happening there?

Best regards,
Hanno




-- 
Hanno Klemm
kl...@ph...

Hi all,=0A=
=0A=
I have look in the doc and examples but was unable to find a way to control=
=20=0A=
the thickness of the major and minor tick on the axis.=0A=
=0A=
Forgive me for this very basic question but if you now a way to do that...=
=0A=
=0A=
Thanks a lot=0A=
Francois=0A=
--=20=0A=
Fran=E7ois BEAUBERT=0A=
ENSIAME/LME=0A=
Bureau A9=0A=
Universit=E9 de Valenciennes - Le Mont Houy - 59313 Valenciennes Cedex 9=0A=
T=E9l=E9phone: (0/33)3 27 51 19 72=0A=
T=E9l=E9copie: (0/33)3 27 51 19 61=0A=
Mel: fra...@un...=0A=
=0A=
--=20=0A=
This message has been scanned for viruses and=0A=
dangerous content by MailScanner, and is=0A=
believed to be clean.=0A=
=0A=