[Paraview] Python interface: ExportView does not accept parameters

[Utkarsh Ayachit]

Attached is fix, which will get merged in git/master soon. Thanks for reporting.

On Mon, Feb 2, 2015 at 12:23 PM, Utkarsh Ayachit
<utkarsh.ayachit at kitware.com> wrote:
> This is indeed a bug. I've reported it here [1]. Attached script shows
> how to overcome this issue in 4.3. You'll need to add the following
> stub to your code. Note this is only a workaround. Once the bug is
> fixed, one should not use this hack.
>
> #-----------------------------------------------
> # HACK: Overcomes a bug# 15298
> conn = servermanager.ActiveConnection
> misc = conn.Modules.misc
> servermanager.createModule("exporters", misc)
> #-----------------------------------------------
>
>
> [1] http://www.paraview.org/Bug/view.php?id=15298
>
> On Mon, Feb 2, 2015 at 10:11 AM, Elias Pipping
> <elias.pipping at fu-berlin.de> wrote:
>> Dear list,
>>
>> I'm trying to export vector graphics through paraview's python interface(*).
>> To that end, from within paraview, I start a python trace, use the UI to
>> export to an embedded postscript file (via File->Export scene), and stop the
>> trace again.
>> The relevant lines of the trace look something like this:
>>
>> renderView1 = GetActiveViewOrCreate('RenderView')
>> ExportView('test.eps', view=renderView1)
>>
>> Now I can open a python interpreter, paste these lines and get the expected
>> result. So far, so good.
>>
>> Now let me retrace the above steps: After selecting a location to save to,
>> I'm presented with a setting of export options. In the above scenario, I
>> left everything as-is. I can choose among "rasterize 3d geometry", "draw
>> background", etc. (the latter is an advanced option).
>>
>> If I change those options, they're passed to ExportView, yielding a line
>> like the following in the trace:
>>
>> ExportView('test.eps', view=renderView1, Drawbackground=0,
>> Rasterize3Dgeometry=0)
>>
>> While saving from the UI continues to work even in this case, running the
>> above from within the python interpreter does not. Here's what I get:
>>
>> File
>> "[..]/ParaView-4.3.1-Linux-64bit/lib/paraview-4.3/site-packages/paraview/simple.py",
>> line 1350, in ExportView
>> SetProperties(proxy, **params)
>> File
>> "[..]/ParaView-4.3.1-Linux-64bit/lib/paraview-4.3/site-packages/paraview/simple.py",
>> line 449, in SetProperties
>> raise AttributeError("object has no property %s" % param)
>> AttributeError: object has no property Drawbackground
>>
>> Neither the field Drawbackground nor Rasterize3Dgeometry is recognised.
>>
>> Is the python interface currently incomplete in this respect? Is this easily
>> fixed or is there a workaround for this issue?
>>
>>
>> Best regards,
>>
>> Elias Pipping
>>
>> (*) All of this concerns a paraview 4.3.1 binary for linux
>>
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