matplotlib-users Mailing List for matplotlib

HI, I'm getting an error message when I try to install. Can anyone give me 
some help please? Thanks in advance.
-bash-3.00$ uname -a
Linux skagit 2.6.9-42.0.2.ELsmp #1 SMP Thu Aug 17 17:57:31 EDT 2006 x86_64 
x86_64 x86_64 GNU/Linux
-bash-3.00$ python
Python 2.3.4 (#1, Sep 26 2006, 17:25:54)
[GCC 3.4.6 20060404 (Red Hat 3.4.6-3)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import numpy
>>> print numpy.__version__
1.0.1
>>>
In file included from /usr/include/python2.3/Python.h:8,
 from /usr/include/pygtk-2.0/pygobject.h:5,
 from src/_gtkagg.cpp:10:
/usr/include/python2.3/pyconfig.h:850:1: warning: "_POSIX_C_SOURCE" redefined
In file included from /usr/include/string.h:26,
 from /usr/lib/gcc/x86_64-redhat-linux/3.4.6/../../../../include/c++/3.4.6/cstring:51,
 from src/_gtkagg.cpp:1:
/usr/include/features.h:150:1: warning: this is the location of the previous 
definition
In file included from src/_gtkagg.cpp:10:
/usr/include/pygtk-2.0/pygobject.h:140: error: expected `,' or `...' before 
"typename"
/usr/include/pygtk-2.0/pygobject.h:147: error: expected `,' or `...' before 
"typename"
In file included from /usr/include/python2.3/Python.h:8,
 from /usr/include/pygtk-2.0/pygobject.h:5,
 from src/_gtkagg.cpp:10:
/usr/include/python2.3/pyconfig.h:850:1: warning: "_POSIX_C_SOURCE" redefined
In file included from /usr/include/string.h:26,
 from /usr/lib/gcc/x86_64-redhat-linux/3.4.6/../../../../include/c++/3.4.6/cstring:51,
 from src/_gtkagg.cpp:1:
/usr/include/features.h:150:1: warning: this is the location of the previous 
definition
In file included from src/_gtkagg.cpp:10:
/usr/include/pygtk-2.0/pygobject.h:140: error: expected `,' or `...' before 
"typename"
/usr/include/pygtk-2.0/pygobject.h:147: error: expected `,' or `...' before 
"typename"
error: Command "/usr/bin/gcc -fno-strict-aliasing -DNDEBUG -O2 -g -pipe -m64 
-D_GNU_SOURCE -fPIC -fPIC -I/usr/local/include -I/usr/include -I. -Isrc 
-Iswig -Iagg23/include -I. -I/usr/local/include -I/usr/include -I. 
-I/usr/local/include/freetype2 -I/usr/include/freetype2 -I./freetype2 
-Isrc/freetype2 -Iswig/freetype2 -Iagg23/include/freetype2 -I./freetype2 
-I/usr/local/include/freetype2 -I/usr/include/freetype2 -I./freetype2 
-I/usr/local/include -I/usr/include -I. -I/usr/include/pygtk-2.0 
-I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include -I/usr/include/gtk-2.0 
-I/usr/lib64/gtk-2.0/include -I/usr/X11R6/include -I/usr/include/atk-1.0 
-I/usr/include/pango-1.0 -I/usr/include/freetype2 
-I/usr/include/freetype2/config -I/usr/include/glib-2.0 
-I/usr/lib64/glib-2.0/include -I/usr/include/python2.3 -c src/_gtkagg.cpp -o 
build/temp.linux-x86_64-2.3/src/_gtkagg.o" failed with exit status 1
-bash-3.00$ 

Ken McIvor wrote:
> On Jan 21, 2007, at 11:04 AM, Allan Noriel Estrella wrote:
>> does matplotlib already support wxPython 2.8?
> 
> I have not had the opportunity to test it with 2.8. However, I am 
> given to understand that it works. The one caveat is that you cannot 
> presently compile the WXAgg accelerator with 2.8.
I've tested it with 2.8 on OS-X, and it can be compiled with an almost 
trivial fix.
There is an odd bug with the standard pylab toolbar: the icons on the 
buttons disappear after they have been clicked once, though the buttons 
do still work.
What platform do you want it on? Are you set up to compile it yourself?
NOTE: wxPython2.8 has added some features for more directly creating 
bitmaps from data. It would be great if someone used those in the 
back-end -- if it works well, we might be able to get rid of the 
accelerated back end altogether. You can search this list for more info 
-- look for posts by me and Ken McIvor.
Here's a bit more detail about the current state of affairs (this was 
recently posted on matplotlib-devel:
Russell Owen just built an installer for MPL on OS_X for Python2.5,
wxPython2.8.
To do it, he needed to patch
_wxagg.cpp, at line 238 as follows:
OLD:
wxBitmap *bitmap = new wxBitmap(image);
NEW
wxBitmap *bitmap = new wxBitmap(*image);
Thanks to a hint from Robin Dunn.
It now seems to work OK, except that when you use pylab.show() and then
click on the toolbar buttons to zoom, etc, the buttons no longer display
Also, it doesn't work with Numeric 24.2 either -- I think that's a known
issue, but I can't find a note about it at the moment.
Is anyone maintaining the wx back-end now?
Is MPL working with wxPython 2.8 on other platforms?
If anyone wants to try this binary out, it's temporarily at:
<http://www.astro.washington.edu/rowen/pythonpackages/Python%202.5/>
 >>> matplotlib.__version__
'0.87.7'
 >>> wx.__version__
'2.8.0.1'
 >>> numpy.__version__
'1.0.1'
 >>> Numeric.__version__
'24.2'
-Chris
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Chr...@no...

Hi,
is there a way to make a bar plot with two different y axes in matplotlib?
Something similar to plotyy in matlab but for a bar plot?
Thanks and regards
Francesco

I would like to be able to draw rectangles, with text centered inside
them, at key positions on a plot.
 
The case in question is a bar plot, and the rectangles need to be drawn
such that they are length of one or more of the each bar groupings,
side-by-side in a line along the width of the X-axis. The line of
rectangles should be located just below the X-axis tickmark labels.
 
I see the fill() command allows plotting of a polygon and the figtext()
command allows text to be plotted so, in theory, these should work.
 
My problem is 
 
(a) what is the syntax for the fill() command - I have tried
ax.fill(0.5,0.5,'b') and get an error:
 TypeError: zip argument #1 must support iteration
 
(b) how to calculate the correct (x,y) values for locating the
start/stop points of the rectangles? i.e. how do I find out where the
start/end points are for the X values of each bar grouping? And at what
vertical height should the line of rectangles be located?
 
Any ideas or insights would be appreciated?
 
Thanks
Derek
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