[EMAIL PROTECTED] wrote:
> What is the c++ code to convert the result of interpolation
> on a discrete vector ?
>
Try projecting onto the finite element space. Perhaps it's not very
efficient for continuous Lagrange elements, but it does generalise to
any finite element basis.
Garth
> class IdentityDef : public Function
> {
> public:
>
> IdentityDef(Mesh& mesh) : Function(mesh) {
>
> }
>
> void eval(real* values, const real* x) const
> {
> values[0] = x[0];
> values[1] = x[1];
> values[2] = 0;
> values[3] = 0;
> }
>
> };
>
> IdentityDef phi(mesh);
> uBlasVector phiv(phi.vector().size());
> phiv=phi.vector();
>
>
> the compilation is ok but
> it fails to run cause the .vector() function
> works only on discrete function,
>
> I tried also to heritate DiscreteFunction on IdentityDef
> that doesn't work the same. Sorry I'm used to freefem++
> where these distinction between variable does not exist.
>
>
_______________________________________________
DOLFIN-dev mailing list
[email protected]
http://www.fenics.org/mailman/listinfo/dolfin-dev