[Paraview] Saving data plotted using PlotOverLine

[Stephen Molloy]

Utkarsh,
Thank you very much.  That was the one thing I was missing.  Everything 
now works as expected.

Thanks for your time.

Steve


Utkarsh Ayachit wrote:
> Steve,
>
> A couple of things to note:
> * SLAC reader has multiple outputs. So you have to ensure that you
> have connected the PlotOverLine to the "Entire Volume" output. The
> trace is not recognizing what output port it was connected to
> correctly. Use the following to set it up correctly.
>
> PlotOverLine1 = PlotOverLine( Source="High Resolution Line Source",
>   Input=servermanager.OutputPort(ll9cellf523_ncdf,  1))
>
> * The data will be 0 or invalid for any location not intersected by the volume.
>
> Utkarsh
>
>
> On Tue, Mar 9, 2010 at 5:46 PM, Stephen Molloy
> <stephen.molloy at rhul.ac.uk> wrote:
>   
>> Thanks Utkarsh.
>>
>> I'm a little confused now.  My script is pretty much identical to yours
>> (with the exception of the Exodus related stuff), yet it refuses to write
>> the correct values in the CSV file.  :S
>>
>> I think I'll get in touch with the SLAC team to figure out what is going on.
>>
>> Thanks for taking time to help me.
>>
>> Steve
>>
>>
>>
>> Utkarsh Ayachit wrote:
>>     
>>> Steve,
>>>
>>> I don't have a SLAC dataset, but here's the python script for an exodus
>>> dataset.
>>>
>>> Utkarsh
>>>
>>> On Tue, Mar 9, 2010 at 3:51 PM, Stephen Molloy
>>> <stephen.molloy at rhul.ac.uk> wrote:
>>>
>>>       
>>>> Utkarsh,
>>>> I was using a development version of Paraview 3.7 provided by friends at
>>>> SLAC.  I've also tried with 3.6.2.
>>>>
>>>> To be honest, I'm still having troubles.  The CSV file is written OK, but
>>>> all values of the field magnitudes are filled with zeros.  I'm pretty
>>>> sure
>>>> the problem is that I'm not giving PlotOverLine the correct "Input"
>>>> variable
>>>> on instantiation.
>>>>
>>>> Can anyone give me advice on how to do this when the data-file has been
>>>> opened with a SLACDataReader class?
>>>>
>>>> Steve
>>>>
>>>>
>>>> Utkarsh Ayachit wrote:
>>>>
>>>>         
>>>>> Steve,
>>>>>
>>>>> When you were saving your trace out, what version of ParaView were you
>>>>> using? I just tried today's CVS and I do indeed get a correct trace
>>>>> for the PlotOverLine as under:
>>>>>
>>>>> ....
>>>>> PlotOverLine1 = PlotOverLine( Source="High Resolution Line Source" )
>>>>> PlotOverLine1.Source.Point1 = [-10.0, -10.0, -10.0]
>>>>> PlotOverLine1.Source.Point2 = [10.0, 10.0, 10.0]
>>>>> ....
>>>>>
>>>>> Utkarsh
>>>>>
>>>>> On Tue, Mar 9, 2010 at 8:33 AM, Stephen Molloy
>>>>> <stephen.molloy at rhul.ac.uk> wrote:
>>>>>
>>>>>
>>>>>           
>>>>>> Right.  As I mentioned in my email from last night, I suspected the
>>>>>> problem
>>>>>> was with the PlotOverLine object, and I was right.  I wasn't defining
>>>>>> that
>>>>>> properly, so the CSV file was empty.
>>>>>>
>>>>>> Attached is the working file.
>>>>>>
>>>>>> Thanks again,
>>>>>>
>>>>>> Steve
>>>>>>
>>>>>>
>>>>>> Stephen Wornom wrote:
>>>>>>
>>>>>>
>>>>>>             
>>>>>>> Utkarsh Ayachit wrote:
>>>>>>>
>>>>>>>
>>>>>>>               
>>>>>>>> You can use the following:
>>>>>>>>
>>>>>>>> w = DataSetCSVWriter(FileName="foo.csv")
>>>>>>>> w.UpdatePipeline()
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>                 
>>>>>>> When all is working well, would you share your python script?
>>>>>>> Thanks in advance,
>>>>>>> Stephen
>>>>>>>
>>>>>>>
>>>>>>>               
>>>>>>>> On Mon, Mar 8, 2010 at 5:50 AM, Stephen Molloy
>>>>>>>> <stephen.molloy at rhul.ac.uk> wrote:
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>                 
>>>>>>>>> Hi all,
>>>>>>>>> I am using Paraview 3.7.0 to view a large number of data files, each
>>>>>>>>> with
>>>>>>>>> the same geometry.  I need to load the geometry and volume data, use
>>>>>>>>> PlotOverLine to extract the magnitude of a variable along a
>>>>>>>>> particular
>>>>>>>>> line,
>>>>>>>>> and then save this data to a CSV file.
>>>>>>>>>
>>>>>>>>> Due to the large number of data sets I am dealing with, I have been
>>>>>>>>> trying
>>>>>>>>> to use the Python Trace functionality to automate this, and I am
>>>>>>>>> able
>>>>>>>>> to
>>>>>>>>> do
>>>>>>>>> everything except for saving the CSV file at the end.  I have
>>>>>>>>> browsed
>>>>>>>>> around
>>>>>>>>> quite a bit over the past few days, and I understand that the trace
>>>>>>>>> functionality does not work for save data commands, but I was
>>>>>>>>> wondering
>>>>>>>>> if
>>>>>>>>> someone could help me find the Python object that contains the
>>>>>>>>> relevant
>>>>>>>>> data
>>>>>>>>> so that I can write my own little routine to dump it to a CSV file.
>>>>>>>>>
>>>>>>>>> Many thanks for any help you can offer.
>>>>>>>>>
>>>>>>>>> Steve
>>>>>>>>>
>>>>>>>>>
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