[Paraview] ParaView Python problem

[Utkarsh Ayachit]

I should have read the full email :)...ok..so this fails only with
pvpython. I'll take a look.

On Thu, Jun 26, 2014 at 7:47 AM, Utkarsh Ayachit
<utkarsh.ayachit at kitware.com> wrote:
> Ah! I think the Python calculator is corrupting the global context
> since both, the filter and the main script run within the same Python
> interpreter. Is this using pvpython or Python shell in the UI?
>
> On Thu, Jun 26, 2014 at 6:30 AM, Ian Krukow <i.krukow at tu-braunschweig.de> wrote:
>> Hi all,
>>
>> I like to keep different modules apart in python, therefore I use
>>     import paraview.simple as pv
>> instead of
>>     from paraview.simple import *
>>
>> I never had problems with this, until I included the Python Calculator in my
>> script. Whenever I call "pv.Show()" on the Python Calculator, "pv" (my
>> ParaView module) is overwritten with some strange function object, and with
>> the next call of pv, I get an error. An example script is given below. I am
>> using ParaView 4.1.0, Windows binaries.
>>
>> Now, there are, of course, several possibilities to prevent this from
>> happening, but I do not see any reason for this behaviour. Any ideas?
>>
>> Kind regards
>> Ian
>>
>>
>> Example script:
>>
>> import paraview.simple as pv
>>
>> sphere = pv.Sphere()
>> pv.GetRenderView()
>> pv.Show()
>>
>> pycalc = pv.PythonCalculator()
>> pycalc.Expression = 'Normals'
>> pycalc.ArrayName = 'Deformation'
>> pv.Show()
>>
>> clip = pv.Clip()
>> pv.Show()
>> pv.Render()
>>
>> On the "pv.Clip" call, I get
>> AttributeError: 'function' object has no attribute 'Clip'
>> It works fine in the GUI's Python Shell
>>
>>
>> --
>> Dipl.-Ing. Ian Krukow
>> Tel +49 531 391-3673
>>
>> Technische Universität Braunschweig
>> Institut für Statik/SFB 880
>> Beethovenstr. 51
>> 38106 Braunschweig
>> Deutschland
>>
>> www.statik.tu-braunschweig.de
>> sfb880.tu-braunschweig.de
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