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. -- Anders _______________________________________________ DOLFIN-dev mailing list [email protected] http://www.fenics.org/mailman/listinfo/dolfin-dev
