dolfin team mailing list archive

[Anders Logg <logg@xxxxxxxxx>]

On Thu, Sep 16, 2010 at 12:51:28PM -0700, Johan Hake wrote:
> On Thursday September 16 2010 12:27:57 Anders Logg wrote:
> > On Thu, Sep 16, 2010 at 12:23:48PM -0700, Johan Hake wrote:
> > > On Thursday September 16 2010 11:46:02 Anders Logg wrote:
> > > > On Thu, Sep 16, 2010 at 11:24:34AM -0700, Johan Hake wrote:
> > > > > Hello!
> > > > >
> > > > > I added the method area to the Face class. I guess a Face is always a
> > > > > triangle so it should be safe.
> > > >
> > > > Yes.
> > >
> > > ok
> > >
> > > > > There might be other methods that can be usefull like
> > > > > normal? Others?
> > > >
> > > > Probably but can't think of any more right now.
> > > >
> > > > > Should we do the same for Facet, but then check for topological
> > > > > dimension before making the computation, a la the generalized volume
> > > > > in CellTypes?
> > > >
> > > > Facet should have normal but not area.
> > >
> > > I wont add these now. I first thought they were straight forward, but all
> > > kindoff R^1, R^2, R^3 stuff needs to be checked for. Leave it for now...
> > >
> > > Added a blueprint!
> >
> > I thought I already did that. We have Cell.normal() which should
> > handle that.
>
> That just calls normal of TriangleCell or TetrahedronCell. TriangleCell only
> returns a normal for topological dimension 2.

Isn't that enough? What else do you need?

> It is really not difficult, it just took some more time than I anticipated,
> and I do not need the feature. I just needed area :)

Oh so you didn't need anything else. ;-)

--
Anders