[Paraview] [EXT] Re: Details of XML filter with lists of input arrays

[Dennis Conklin]

All,

To be more exact, I wrote a routine here that does an area-weighted average of some variables.    Now the users are asking if I can give them a list of variables in the model and they can choose which ones to calculate a weighted average.    I can envision a Custom filter where I have a Programmable filter which processes everything, preceded by a Pass Arrays filter  - I could bundle them together and expose the Pass Arrays filter to let them choose which variables they want, but I think the self-contained plug-in which I can add to the site Plugin directory and get automagically loaded at startup is a better way to go if I can just figure out how to do it!

Dennis

From: Dennis Conklin
Sent: Tuesday, October 03, 2017 1:27 PM
To: 'Utkarsh Ayachit' <utkarsh.ayachit at kitware.com>
Cc: Paraview (paraview at paraview.org) <paraview at paraview.org>
Subject: RE: [EXT] Re: [Paraview] Details of XML filter with lists of input arrays

Utkarsh,

I am adding this property on a filter, so it’s input – I want to process some variables and let the user choose which of his variables to process!

Thanks
Dennis

From: Utkarsh Ayachit [mailto:utkarsh.ayachit at kitware.com]
Sent: Tuesday, October 03, 2017 1:24 PM
To: Dennis Conklin <dennis_conklin at goodyear.com<mailto:dennis_conklin at goodyear.com>>
Cc: Paraview (paraview at paraview.org<mailto:paraview at paraview.org>) <paraview at paraview.org<mailto:paraview at paraview.org>>
Subject: [EXT] Re: [Paraview] Details of XML filter with lists of input arrays

 WARNING - External email; exercise caution.



Dennis,

Before I answer the question, I need to know what are you adding this property on? Is this a filter or a reader? The difference is that for a reader, the information about arrays available is provided by the reader itself; while for filter, that information is obtained from its input.

Utkarsh

On Tue, Oct 3, 2017 at 8:17 AM, Dennis Conklin <dennis_conklin at goodyear.com<mailto:dennis_conklin at goodyear.com>> wrote:
All,

I’m confused about how to write an XML plugin that lets the user select input variables for processing.

Say I want to put up a list of  cell variables and let the user select which ones to process:

I see this:
https://www.paraview.org/Wiki/ParaView/Plugin_HowTo#Drop_down_list_with_values_from_input_arrays<https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.paraview.org%2FWiki%2FParaView%2FPlugin_HowTo%23Drop_down_list_with_values_from_input_arrays&data=01%7C01%7Cdennis_conklin%40goodyear.com%7C233074047aa04dd5050e08d50a839b26%7C939e896692854a9a9f040887efe8aae0%7C0&sdata=LHBX%2FpUEkCJwub%2B4fM8GwOhpy1ScZpK3YlhCarhGgI0%3D&reserved=0>
but it is not clear to me.
My questions include:


  1.  How do I get Cell variables, point variables or field variables – which is the example, or do we always get all 3?
  2.  Within my code, how do I know what variables have been selected by the user from the list?
Thanks for all for any help.

Dennis


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