[Paraview] pvpython and matplotlib

[Paul Edwards]

Does the system python also crash if you set the library path to have the
paraview directories?  If this is the case you probably gave a conflicting
lib in paraview.
On 14 Dec 2011 14:32, "Adriano Gagliardi" <agagliardi at ara.co.uk> wrote:

> **
> System version is identical. The environment variables are identical with
> the exception of those relating to window ids. LD_LIBRARY_PATH has changed,
> but when running ParaView two directories, the paths to the ParaView root
> and lib directories, have been added to the start. Nothing else is
> different.
>
> Aurelian, TCL_LIBRARY path is set, but I didn't configure this option when
> compiling ParaView itself. I have numpy in the correct directory location.
>
> Thanks,
>
> Adriano
>
>
> ===================================
>
> Adriano Gagliardi MEng PhD
> Business Sector Leader
> Computational Aerodynamics
> Aircraft Research Association Ltd.
> Manton Lane
> Bedford
>
> Tel: 01234 32 4644
> E-mail: agagliardi at ara.co.uk
> Url: www.ara.co.uk
>
>
>  ------------------------------
> *From:* Paul Edwards [mailto:paul.m.edwards at gmail.com]
> *Sent:* 13 December 2011 17:50
> *To:* agagliardi at ara.co.uk
> *Cc:* Aurélien Marsan; paraview at paraview.org
> *Subject:* Re: [Paraview] pvpython and matplotlib
>
> Try comparing environment variables (import os and compare os.environ)
>
> In order to check the version print sys.version (after import sys)
>
> Regards,
> Paul
>
> 2011/12/12 Adriano Gagliardi <agagliardi at ara.co.uk>
>
>> **
>> Hi Aurelian,
>>
>> I'm using a 64-bit build of ParaView 3.10.1 on Centos 5.4.
>>
>> How did you go about debugging this last time?
>>
>> Thanks,
>>
>> Adriano
>>
>> ===================================
>>
>> Adriano Gagliardi MEng PhD
>> Business Sector Leader
>> Computational Aerodynamics
>> Aircraft Research Association Ltd.
>> Manton Lane
>> Bedford
>>
>> Tel: 01234 32 4644
>> E-mail: agagliardi at ara.co.uk
>> Url: www.ara.co.uk
>>
>>
>>  ------------------------------
>> *From:* Aurélien Marsan [mailto:aur.marsan at gmail.com]
>> *Sent:* 12 December 2011 15:45
>> *To:* agagliardi at ara.co.uk
>> *Cc:* paraview at paraview.org
>> *Subject:* Re: [Paraview] pvpython and matplotlib
>>
>>   Good morning Adriano,
>>
>> All is working fine for me.
>> But I remember that pyplot.show() didn't work from the paraview python
>> sheel with previous release.
>> It looks like you have the 2.4 verions of Python. Which Paraview version
>> do you use ?
>>
>> Regards,
>>
>> Aurelien
>> 2011/12/8 Adriano Gagliardi <agagliardi at ara.co.uk>
>>
>>>
>>> Dear All,
>>>
>>> I am having issues getting matplotlib to work with a in-house compiled
>>> version of pvpython. Although it imports fine, if I try to plot anything
>>> using pyplot I exit with a segmentation fault. Likewise, when I exit
>>> pvpython, I get a segmentation fault. However, when using matplotlib from
>>> the standard release of Python, it all works fine. Other libraries like
>>> mysql and numpy are working fine too. This is what I'm running:
>>>
>>> import matplotlib.pyplot as mp
>>> #import pdb; pdb.set_trace()
>>> mp.plot([1,2,3])
>>> mp.show()
>>>
>>> Any suggestions what could be wrong or how to go about solving it? I've
>>> noticed the -v/-vv flags don't work with pvpython, or -h for that matter.
>>> I'm at least finding the point at which I get the segmentation fault,
>>> but I
>>> can't make head nor tail of it:
>>>
>>> (Pdb) s
>>> > /usr/lib64/python2.4/site-packages/matplotlib/transforms.py(286)zero()
>>> -> def zero(): return Value(0)
>>> (Pdb) s
>>> --Return--
>>> >
>>>
>>> /usr/lib64/python2.4/site-packages/matplotlib/transforms.py(286)zero()-><Bin
>>> Op o...1ce469a8> <--- it gives a segmentation fault before this line
>>> -> def zero(): return Value(0)
>>>
>>> All suggestions greatly appreciated.
>>>
>>> Thanks,
>>>
>>> Adriano
>>>
>>> ===================================
>>>
>>> Adriano Gagliardi MEng PhD
>>> Business Sector Leader
>>> Computational Aerodynamics
>>> Aircraft Research Association Ltd.
>>> Manton Lane
>>> Bedford
>>>
>>> Tel: 01234 32 4644
>>> E-mail: agagliardi at ara.co.uk
>>> Url: www.ara.co.uk
>>>
>>>
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> Note: All email sent to or from this address may be accessed by someone
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