Johan Hake wrote: > On Thursday 02 July 2009 12:58:25 Garth N. Wells wrote: >> Marie Rognes wrote: >>> The following code gives r = 0.0. It is not supposed to be. >>> >>> The problem seems to be that f's vector is still all zeros at the call >>> to interpolate. Could this be easily fixed? >> This example should have led to an error message since f is not a >> discrete function. I'll take a look. > > Why should f be discrete?
It is "discrete" in that it has a finite element type, but it is not "discrete" in the the sense that it has a vector of dofs. Garth f is interpolated into Q_h. Pi_f is the one that has > to be discrete. Isn't f's eval used in the interpolation when it is not > discrete? > > ... or have I got lost in the interpolation jungle? > > Johan > >> Garth >> >>> -- >>> from dolfin import * >>> >>> mesh = UnitSquare(1,1) >>> V_h = FunctionSpace(mesh, "CG", 1) >>> f = Function(V_h, "1.0") >>> >>> Q_h = FunctionSpace(mesh, "DG", 1) >>> Pi_f = interpolate(f, Q_h) >>> >>> r = norm(Pi_f) >>> print "r = ", r >>> --- >>> >>> -- >>> Marie >>> >>> >>> _______________________________________________ >>> DOLFIN-dev mailing list >>> DOLFIN-dev@fenics.org >>> http://www.fenics.org/mailman/listinfo/dolfin-dev >> _______________________________________________ >> DOLFIN-dev mailing list >> DOLFIN-dev@fenics.org >> http://www.fenics.org/mailman/listinfo/dolfin-dev > > _______________________________________________ DOLFIN-dev mailing list DOLFIN-dev@fenics.org http://www.fenics.org/mailman/listinfo/dolfin-dev
