AFMPATH environmental variable [was Re: [Matplotlib-users] python crashes when plot saved as png]

[LUK S. <shu...@po...>]

John Hunter wrote:
 >
>     LUK> Another question: I've set the environmental variable AFMPATH
>     LUK> in the registry via the control panel but matplotlib
>     LUK> complains that the .afm files are not there.
> 
> I cannot replicate this problem on my system.  Are the *.afm files in
> E:\Py23e\share\matplotlib?  Are you sure you are running the right
> version of python, ie, do you still get the error with
> 
>   > E:\Py23e\python simple_plot.ps -dPS
> 

[snipped]

> 
> And let me know what it reports.  If you are using the fonts that ship
> with matplotlib, you shouldn't even need to set the AFMPATH because it
> automatically looks in the share/matplotlib subdir of your python
> install dir.  

I can confirm that if the font files are installed in the default 
location under the system python tree, it works. Setting AFMPATH also 
works in linux.

> 
> You may also want to verify that matplotlib is finding your
> environment variable by doing
> 
> 
>>python
>>
>>>>import os
>>>>print os.environ.has_key('AFMPATH')
> 

 >>> import os
 >>> os.environ["AFMPATH"]
'E:\\Py23e\\share\\matplotlib'

> 
> If the *.afm fonts are in the share/matplotlib dir, and you are using
> the right python, and the paths look correct from the diagnostic
> information above, the only thing I can think of is that these files
> are not readable by you (admin versus user thing?). To test this try
> 
> 
>>python
>>
>>>>fh = file('E:\Py23e\\share\\matplotlib\\phvl8a.afm', 'r')
>>>>s = fh.read()
>>>>len(s)
> 

 >>> fh = file('E:\Py23e\\share\\matplotlib\\afm\\phvl8a.afm', 'r')
 >>> len(fh.read())
15627

> 
> Let me know....
> JDH
> 

Regards,
ST
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