Alan, So in summary, yes it is possible to do this with the programmable filter. What you do is check the time to see if it equals the target time step. If so, save the array from the desired field in a global variable. Then on other time steps do the difference.
You may have noticed I'm not giving you code. This is because I am too lazy to spend the hour or so getting it to work. -Ken Sent from my iPad so blame autocorrect. On Mar 10, 2017, at 12:15 PM, Utkarsh Ayachit <utkarsh.ayac...@kitware.com> wrote: >> You could declare >> a global variable, but are you guaranteed to get the same interpreter >> instance each call? That’s a question for Utkarsh. > > Yes, you are. _______________________________________________ Powered by www.kitware.com Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html Please keep messages on-topic and check the ParaView Wiki at: http://paraview.org/Wiki/ParaView Search the list archives at: http://markmail.org/search/?q=ParaView Follow this link to subscribe/unsubscribe: http://public.kitware.com/mailman/listinfo/paraview