Anders Logg wrote: > On Mon, Mar 31, 2008 at 02:26:45PM +0200, Kristen Kaasbjerg wrote: > >> Hi, >> >> I would like to plot a function that is the difference between a >> DiscreteFunction and a UserFunction. Can this be done in any smart ways ? >> >> The only way I can think of is to create a new user defined function >> that contains the two Functions above, which does the subtraction in the >> eval function, and then save this function to vtk format. >> This, however, will call the eval method of the DiscreteFunction which >> includes cell searching etc. Just sounds a bit cumbersome to me when the >> mesh contains say 500.000 elements. >> >> Kristen >> > > I would recommend to project the difference to an appropriate finite > element space and then plot the projection. > > Ok, are there any examples around that illustrate how to do this ?
Kristen _______________________________________________ DOLFIN-dev mailing list [email protected] http://www.fenics.org/mailman/listinfo/dolfin-dev
