There is also an example of a programmable filter with eigenvalues on the tutorial page here: http://www.paraview.org/Wiki/Python_calculator_and_programmable_filter. Towards the bottom is a link to principleStrainPython.
Hope that helps. Alan On 10/11/16, 9:46 AM, "ParaView on behalf of Utkarsh Ayachit" <paraview-boun...@paraview.org on behalf of utkarsh.ayac...@kitware.com> wrote: >Using "Programmable Source" or "Prorgammable Filter" may be the best >approach. Chapter 13 in the ParaView Guide covers a great deal of how >programmable filter/source work. Give it a quick read and let me know >if you need any assistance. > >Utkarsh > >On Tue, Oct 11, 2016 at 5:31 AM, Juan Carlos Araujo Cabarcas ><ju4...@gmail.com> wrote: >> Hi, I have been working with eigenstates of the wave equation and I would >> like to make >> videos of a time evolution. I have vectors of the form u(x,y) and I want to >> simply compute: >> >> Y(x,y,t) = u(x,y)*cos(t), for various values of t. (or any other function of >> t) >> >> The naĩve way of doing this (which is very expensive) is to compute >> Y1(x,y,t1), Y2(x,y,t2), ... Yn(x,y,tn) and add them into the final .vtk file >> by adding the time in the vector label. >> >> The vector u(x,y) is around 5 Mb, then by adding 100 time steps it becomes a >> very big file! >> >> I guess that it should be possible to do the same in a clever way by using >> u(x,y) and passing the operation u(x,y)*cos(t) to paraview in order to >> obtain the evolution/movie, but I have not been able to see how to do this >> in the manual or email list. >> >> Any thoughts? ... I would like this idea to work in both, the desktop and >> web-based versions of paraview. >> >> Kind regards, >> >> Juan Carlos Araújo-Cabarcas. >> Doktorand, Umeå Universitet >> >> "None of us is as clever as all of us" ... Japanese proverb >> >> _______________________________________________ >> 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 >> >_______________________________________________ >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 _______________________________________________ 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