Great. The forthcoming 0.91.2 release sounds like it will be very important to Windows users.
Apologies for introducing this bug in the first place! Cheers, Mike [EMAIL PROTECTED] wrote: > Michael et al. > > The r4633 patch fixes the problem indeed. Thanks for your help!! > > > Brian > > > -----Original Message----- > From: Michael Droettboom [mailto:[EMAIL PROTECTED] > Sent: Tuesday, December 11, 2007 10:03 AM > To: Boonstra, Brian > Cc: matplotlib-users@lists.sourceforge.net > Subject: Re: [Matplotlib-users] Repeated calls to set_text using TeX > formatting results in RuntimeError > > The patch for r4633 is pretty simple, so you could test it without > needing to check out from SVN or build your own matplotlib etc. > > Open the file "font_manager.py", which should live in > "%PYTHONPATH%/Lib/site-packages/matplotlib". Around line 681, you'll > find the function: > > def __hash__(self): > return hash(repr(self.__props)) > > Change it to: > > def __hash__(self): > return hash(repr(self.__props.__dict__)) > > (Obviously, back up the file first...) > > Then try your script again. If that doesn't work, I'll have to fire up > Windows some time to have a look -- I'm not able to reproduce this bug > on Linux. > > Cheers, > Mike > > [EMAIL PROTECTED] wrote: >>> I believe this is a known bug with 0.90.1. Are you able to run >> 0.91.1? >> >> >> I just upgraded and checked -- the bug still exists in 0.91.1. I'm >> afraid I don't know whether it has been fixed by r4633 or not. >> >> Best, >> Brian >> >> >> [EMAIL PROTECTED] wrote: >>> I'm doing a parameter fitting exercise, and plotting the progress as >>> I >>> do so. I have found that repeated calls to set_text() on a text >>> object will result in an error opening a font file iff the text uses >>> TeX formatting. (I am not using the experimental usetex feature). >>> >>> I speculate that matplotlib is opening the font file anew with each >>> call to set_text and never closing it, resulting ultimately in having > >>> too many files open. Here is a brief program to reproduce this >>> behavior (WinXP, Py2.5, matplotlib 0.90.1): >>> >>> >>> from pylab import figure, axes, draw, ion from numpy import array, >>> cos, abs >>> ion() >>> fig=figure() >>> axs=axes() >>> x=array(range(100))/10.0 >>> cosPlot=axs.plot( x, cos(x)**2, 'r' ) powText = >>> axs.text(0.9,0.02,r'$\alpha=$', >>> >> horizontalalignment='left',verticalalignment='bottom', >>> transform = axs.transAxes) >>> draw() >>> for alpha in array(range(10,400))/100.0: >>> axs.lines[-1].set_ydata( abs(cos(x))**alpha) >>> powText.set_text(r'$\alpha=%.4g$'%alpha) >>> print alpha >>> draw() >>> >>> >>> >>> >>> >>> Traceback (most recent call last): >>> File "delme.py", line 16, in <module> >>> File >>> "C:\Python25\Lib\site-packages\matplotlib-0.90.1-py2.5-win32.egg\matp >>> l >>> otlib\pylab.py", >>> line 754, in draw >>> File >>> "C:\Python25\Lib\site-packages\matplotlib-0.90.1-py2.5-win32.egg\matp >>> l >>> otlib\backends\backend_tkagg.py", >>> line 154, in draw >>> >>> File >>> "C:\Python25\Lib\site-packages\matplotlib-0.90.1-py2.5-win32.egg\matp >>> l >>> otlib\backends\backend_agg.py", >>> line 392, in draw >>> >>> File >>> "C:\Python25\Lib\site-packages\matplotlib-0.90.1-py2.5-win32.egg\matp >>> l >>> otlib\figure.py", >>> line 601, in draw >>> File >>> "C:\Python25\Lib\site-packages\matplotlib-0.90.1-py2.5-win32.egg\matp >>> l >>> otlib\axes.py", >>> line 1286, in draw >>> File >>> "C:\Python25\Lib\site-packages\matplotlib-0.90.1-py2.5-win32.egg\matp >>> l >>> otlib\text.py", >>> line 410, in draw >>> File >>> "C:\Python25\Lib\site-packages\matplotlib-0.90.1-py2.5-win32.egg\matp >>> l >>> otlib\text.py", >>> line 255, in _get_layout >>> File >>> "C:\Python25\Lib\site-packages\matplotlib-0.90.1-py2.5-win32.egg\matp >>> l >>> otlib\backends\backend_agg.py", >>> line 246, in get_text_width_height >>> >>> File >>> "C:\Python25\Lib\site-packages\matplotlib-0.90.1-py2.5-win32.egg\matp >>> l >>> otlib\mathtext.py", >>> line 1569, in __call__ >>> File >>> "C:\Python25\Lib\site-packages\matplotlib-0.90.1-py2.5-win32.egg\matp >>> l >>> otlib\mathtext.py", >>> line 578, in __init__ >>> RuntimeError: Could not open facefile >>> c:\Python25\lib\site-packages\matplotlib-0.90.1-py2.5-win32.egg\matpl >>> o >>> tlib\mpl-data\fonts\ttf\cmtt10.ttf; >>> Cannot_Open_Resource >>> >>> >>> --------------------------------------------------------------------- >>> - >>> -- >>> >>> --------------------------------------------------------------------- >>> - >>> --- >>> SF.Net email is sponsored by: >>> Check out the new SourceForge.net Marketplace. >>> It's the best place to buy or sell services for just about anything >>> Open Source. >>> http://sourceforge.net/services/buy/index.php >>> >>> >>> --------------------------------------------------------------------- >>> - >>> -- >>> >>> _______________________________________________ >>> Matplotlib-users mailing list >>> Matplotlib-users@lists.sourceforge.net >>> https://lists.sourceforge.net/lists/listinfo/matplotlib-users >> -- >> Michael Droettboom >> Science Software Branch >> Operations and Engineering Division >> Space Telescope Science Institute >> Operated by AURA for NASA >> >> This message contains confidential information and is intended only >> for the individual named. 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If you are not the named addressee you > should not disseminate, distribute or copy this e-mail. Please > notify the sender immediately by e-mail if you have received this > e-mail by mistake and delete this e-mail from your system and destroy > any copies thereof. > > E-mail transmission cannot be guaranteed to be secure or error-free > as information could be intercepted, corrupted, lost, destroyed, > arrive late or incomplete, or contain viruses. The sender therefore > does not accept liability for any errors or omissions in the contents > of this message which arise as a result of e-mail transmission. If > verification is required please request a hard-copy version. This > message is provided for informational purposes and should not be > construed as a solicitation or offer to buy or sell any securities or > related financial instruments. > > -- Michael Droettboom Science Software Branch Operations and Engineering Division Space Telescope Science Institute Operated by AURA for NASA ------------------------------------------------------------------------- SF.Net email is sponsored by: Check out the new SourceForge.net Marketplace. It's the best place to buy or sell services for just about anything Open Source. http://sourceforge.net/services/buy/index.php _______________________________________________ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
