[Paraview] Custom Filter with Input to pipe to Programmable Filter

[Arno Mayrhofer]

Hi Cory,

thanks for that hint on the pvpyfilter. This tool is awesome and does 
exactly what I need it to do.

Cheers,
Arno


On 18/04/18 15:21, Cory Quammen wrote:
>
> On Wed, Apr 18, 2018 at 8:21 AM, David E DeMarle 
> <dave.demarle at kitware.com <mailto:dave.demarle at kitware.com>> wrote:
>
>     good news:
>     programmable source/filter has a property called Parameters that
>     lets you pass in arbitrary values.
>     See an example of its use in the standard benchmark here:
>     https://gitlab.kitware.com/paraview/paraview/blob/master/Wrapping/Python/paraview/benchmark/manyspheres.py#L168
>     <https://gitlab.kitware.com/paraview/paraview/blob/master/Wrapping/Python/paraview/benchmark/manyspheres.py#L168>
>
>     bad news:
>     To my knowledge we have never exposed that property to the end
>     user in the Qt parts of the GUI. If someone can provide a good
>     example of a qt plugin or otherwise that exposes parameters to the
>     end user, please advise on this thread.
>
>
> You can do what is described in this blog post to package your 
> programmable source nicely with modifiable attributes. See 
> https://blog.kitware.com/easy-customization-of-the-paraview-python-programmable-filter-property-panel/ 
> <https://blog.kitware.com/easy-customization-of-the-paraview-python-programmable-filter-property-panel/> 
> for details (it is 5 years old, but still applicable to ParaView 5.5).
>
> You may also be interested in this project by Shuhao Wu on GitHub: 
> https://github.com/shuhaowu/pvpyfilter 
> <https://github.com/shuhaowu/pvpyfilter>. I haven't used it yet, but 
> it looks handy.
>
> Thanks,
> Cory
>
>
>     David E DeMarle
>     Kitware, Inc.
>     Principal Engineer
>     21 Corporate Drive
>     Clifton Park, NY 12065-8662
>     Phone: 518-881-4909
>
>     On Wed, Apr 18, 2018 at 4:41 AM, Arno Mayrhofer
>     <arno.mayrhofer at dcs-computing.com
>     <mailto:arno.mayrhofer at dcs-computing.com>> wrote:
>
>         Hi all,
>
>         I have made a small Programmable Filter that converts my input
>         data. Now I have one parameter (resolution) that I would like
>         to be modifiable by the user. My script currently looks as
>         follows:
>
>         resolution = 20 val ={'resolution': resolution, 'self': self}
>
>         execfile('/path/to/filter.py', val)
>
>         Ideally I want my users to not have to replace the 20 by
>         whatever value they desire, but instead make a Custom Filter
>         with either a text input field or a slider that will pipe its
>         value to the Programmable Filter. Is something like this
>         possible at all?
>
>         Thanks in advance for your help,
>         Arno
>
>
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> -- 
> Cory Quammen
> Staff R&D Engineer
> Kitware, Inc.

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