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From: Scott H. <sc...@cs...> - 2005-03-24 19:45:29
|
On Thu, 2005-03-24 at 01:19 -0800, Andrew Straw wrote:
> How long are you waiting and how beefy is your processor? Compiling=20
> C++ is pretty compiler intensive...
Yeah, I figured that out late last night after digging through distutils
and most of matplotlib's extensions. Then I noticed the one it was
"hanging" on was a 1000+ line c++ file and I banged my head on my desk.
Sorry for the noise. Cool program. Oh, and on another note. For those
using debian/ubuntu. Be sure to install python-{numarray,numerics}-ext.
Otherwise matplotlib breaks. =20
--=20
Scott Henson <sc...@cs...>
|
|
From: Simon H. <sim...@jp...> - 2005-03-24 15:30:11
|
Hi,
I have active python pages and regular cgi-python working with iis.
However, when I try and call the script:
#!d:\apps\python23\python.exe
from pylab import *
plot([1,2,3,4])
savefig('tmp.png')
print "Content-type: text/html\n"
print "<html><B>Hello world2!</B></html>"
I get the error:
CGI ErrorThe specified CGI application misbehaved by not returning a
complete set of HTTP headers. The headers it did return are:
Traceback (most recent call last):
File "D:\Inetpub\pyscripts\plot.py", line 3, in ?
from pylab import *
File "D:\apps\Python23\Lib\site-packages\pylab.py", line 1, in ?
from matplotlib.pylab import *
File "D:\apps\Python23\Lib\site-packages\matplotlib\pylab.py", line 193, in ?
from axes import Axes, PolarAxes
File "D:\apps\Python23\Lib\site-packages\matplotlib\axes.py", line 12, in ?
from axis import XAxis, YAxis
File "D:\apps\Python23\Lib\site-packages\matplotlib\axis.py", line 20, in ?
from font_manager import FontProperties
File "D:\apps\Python23\Lib\site-packages\matplotlib\font_manager.py", line 957, in ?
fontManager = FontManager()
File "D:\apps\Python23\Lib\site-packages\matplotlib\font_manager.py", line 801, in __init__
rebuild()
File "D
Part of the problem seems related to accessing the default font?
Many thanks, Simon
|
|
From: Leighton P. <lp...@sc...> - 2005-03-24 14:37:07
|
Hi,=0D=0A=0D=0AMany thanks (again) to Matt for his suggestions - I had a "D= 'oh" moment=0D=0Awhen it was pointed out where I was calling the update fro= m.=0D=0A=0D=0AMatt's solution works on OS X, but I'm afraid I didn't specif= y what my=0D=0Agoal was particularly well. I'm aiming to dynamically updat= e a=0D=0Amatplotlib plot embedded within a wx.Panel (or wx.Frame) from anot= her=0D=0Aobject, whose internal state is changing so that the calling objec= t's=0D=0Ainternal state is reflected in the matplotlib plot. The wx.Timer=0D= =0Asolution doesn't seem appropriate for that (though if I'm wrong, I'm=0D=0A= happy to take advice).=0D=0A=0D=0AAfter some reading around, I worked up tw= o alternatives for updating the=0D=0Aplot from another object.=0D=0A=0D=0A1= ) wx.Timer, as per Matt=0D=0A2) Loop, and pass the value of the loop counte= r=0D=0A3) A custom wx event, bound to the update method=0D=0A=0D=0AThe code= at http://widdowquinn.pwp.blueyonder.co.uk/wxtest.py implements=0D=0Aall t= hree methods, and how effective they are appears to be OS-=0D=0Adependent:=0D= =0A=0D=0AThe wx.Timer method works on Windows (XP SP2), Linux (FC3) and OS = X=0D=0A(10.3)=0D=0A=0D=0AThe Loop method and custom event methods work fine= on Windows. On=0D=0ALinux, they dynamically update the plot, but not the = button label. On=0D=0AOS X, they do nothing, and only appear to update the= plot after the=0D=0Aloops end.=0D=0A=0D=0ADoes anyone here have any ideas = on how I could progress further on=0D=0Agetting this to run, and update cor= rectly under OS X=3F Or should I go=0D=0Aand bug the wxPython-Users list a= bout it=3F ;)=0D=0A=0D=0AFor info, all three systems are using Python 2.3.5= =2E, matplotlib 0.73.1,=0D=0Aand wxPython 2.5.3.1.=0D=0A=0D=0ACheers,=0D=0A=0D= =0A--=20=0D=0ADr Leighton Pritchard AMRSC=0D=0AD131, Plant-Pathogen Interac= tions, Scottish Crop Research Institute=0D=0AInvergowrie, Dundee, Scotland,= DD2 5DA, UK=0D=0AT: +44 (0)1382 562731 x2405 F: +44 (0)1382 568578=0D=0AE:= lp...@sc... W: http://bioinf.scri.sari.ac.uk/lp=0D=0AGPG/PGP:= FEFC205C E58BA41B http://www.keyserver.net =20=0D=0A(If the si= gnature does not verify, please remove the SCRI disclaimer)=0D=0A_ _ _ _ _ = _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _=0D=0A=0D=0A= DISCLAIMER:=0D=0A=0D=0AThis email is from the Scottish Crop Research Instit= ute, but the views=20=0D=0Aexpressed by the sender are not necessarily the = views of SCRI and its=20=0D=0Asubsidiaries. This email and any files trans= mitted with it are confidential=20=0D=0Ato the intended recipient at the e-= mail address to which it has been=20=0D=0Aaddressed. It may not be disclos= ed or used by any other than that addressee.=0D=0AIf you are not the intend= ed recipient you are requested to preserve this=20=0D=0Aconfidentiality and= you must not use, disclose, copy, print or rely on this=20=0D=0Ae-mail in = any way. Please notify pos...@sc... quoting the=20=0D=0Aname = of the sender and delete the email from your system.=0D=0A=0D=0AAlthough SC= RI has taken reasonable precautions to ensure no viruses are=20=0D=0Apresen= t in this email, neither the Institute nor the sender accepts any=20=0D=0Ar= esponsibility for any viruses, and it is your responsibility to scan the em= ail=20=0D=0Aand the attachments (if any).=0D=0A |
|
From: Andrew S. <str...@as...> - 2005-03-24 09:19:26
|
How long are you waiting and how beefy is your processor? Compiling C++ is pretty compiler intensive... On Mar 23, 2005, at 5:21 PM, Scott Henson wrote: > Hi, I'm trying to build matplotlib on an ubuntu hoary powerpc system > using python2.4, and I'm running into what seems to be some kind of > infinite loop? Basically the compiler just sits there and eats up all > my processor with no further output to the screen. I am compiling an > ubuntu package that I found, but it is matplotlib 0.73.1. I reproduced > the bug with a simple python2.4 setup.py build and it still failed in > the same way. Here is the output of that command. > > scotth@archangel:~/Hacking/python-matplotlib/matplotlib-0.73.1$ > python2.4 setup.py build > running build > running build_py > running build_ext > building 'matplotlib._na_transforms' extension > gcc -pthread -fno-strict-aliasing -DNDEBUG -g -O3 -Wall > -Wstrict-prototypes -fPIC -Isrc -I. -I/usr/local/include -I/usr/include > -I/usr/include/python2.4 -c src/_na_transforms.cpp -o > build/temp.linux-ppc-2.4/src/_na_transforms.o -DNUMARRAY=1 > In file included from /usr/include/python2.4/Python.h:8, > from CXX/Objects.hxx:9, > from CXX/Extensions.hxx:18, > from src/_transforms.h:12, > from src/_na_transforms.cpp:2: > /usr/include/python2.4/pyconfig.h:832:1: warning: "_POSIX_C_SOURCE" > redefined > In file included from /usr/include/c > ++/3.3/powerpc-linux/bits/os_defines.h:39, > from /usr/include/c++/3.3/powerpc-linux/bits/c > ++config.h:35, > from /usr/include/c++/3.3/functional:53, > from src/_na_transforms.cpp:1: > /usr/include/features.h:131:1: warning: this is the location of the > previous definition > > > > After this it just hangs and my cpu is pegged at 100%. Any thoughts? > Thanks. > > -- > Scott Henson <sc...@cs...> |
|
From: Ben W. <zo...@pa...> - 2005-03-24 04:53:22
|
I have the need to make a pcolor loglog plot. Unfortunately I can't
figure out how - as near as I can tell it's impossible, pcolor loglog
just plain isn't supported. It seems like the ability to logify
arbitrary axes would be a good idea (there's got to be *somebody* out
there who wants a semilog polar projection) but I can't find it
anywhere. Suggestions? Right now my best idea is to do the log
transformation myself (eww) and then modify the axis legend (eww).
The following code was a vague attempt to force pcolor to use loglog
scale, but it crashes with the message "Aborted" - seems like a
suboptimal error message. I should point out that I'm currently using
0.72.1 since updating the corporate version would take a little work,
but I haven't seen anything in the 0.73.1 docs that imply that's
changed. So if it has, lemme know and I'll go get someone to update. :)
#!/usr/bin/python
from matplotlib import pylab
import Numeric as Numeric
import math as math
def main(argv):
pylab.loglog([1,100],[1,100])
pylab.pcolor( Numeric.array( [ [ x + y for x in range(100) ] for y
in range(100) ] ), shading = "flat" )
pylab.savefig("/home/zorba/stats/color.png")
return
-Ben
|
|
From: Scott H. <sc...@cs...> - 2005-03-24 01:21:20
|
Hi, I'm trying to build matplotlib on an ubuntu hoary powerpc system
using python2.4, and I'm running into what seems to be some kind of
infinite loop? Basically the compiler just sits there and eats up all
my processor with no further output to the screen. I am compiling an
ubuntu package that I found, but it is matplotlib 0.73.1. I reproduced
the bug with a simple python2.4 setup.py build and it still failed in
the same way. Here is the output of that command.
scotth@archangel:~/Hacking/python-matplotlib/matplotlib-0.73.1$
python2.4 setup.py build
running build
running build_py
running build_ext
building 'matplotlib._na_transforms' extension
gcc -pthread -fno-strict-aliasing -DNDEBUG -g -O3 -Wall
-Wstrict-prototypes -fPIC -Isrc -I. -I/usr/local/include -I/usr/include
-I/usr/include/python2.4 -c src/_na_transforms.cpp -o
build/temp.linux-ppc-2.4/src/_na_transforms.o -DNUMARRAY=3D1
In file included from /usr/include/python2.4/Python.h:8,
from CXX/Objects.hxx:9,
from CXX/Extensions.hxx:18,
from src/_transforms.h:12,
from src/_na_transforms.cpp:2:
/usr/include/python2.4/pyconfig.h:832:1: warning: "_POSIX_C_SOURCE"
redefined
In file included from /usr/include/c
++/3.3/powerpc-linux/bits/os_defines.h:39,
from /usr/include/c++/3.3/powerpc-linux/bits/c
++config.h:35,
from /usr/include/c++/3.3/functional:53,
from src/_na_transforms.cpp:1:
/usr/include/features.h:131:1: warning: this is the location of the
previous definition
After this it just hangs and my cpu is pegged at 100%. Any thoughts?
Thanks.
--=20
Scott Henson <sc...@cs...>
|
