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[Johan Hake <question158012@xxxxxxxxxxxxxxxxxxxxx>]

Question #158012 on DOLFIN changed:
https://answers.launchpad.net/dolfin/+question/158012

Johan Hake proposed the following answer:
Sure!

I just added the request as comment to the bug:

 "Lacking check of input for function evaluation"

So I remember it when I fix that one :)

Johan


On Thursday May 19 2011 10:17:43 Anders Logg wrote:
> On Thu, May 19, 2011 at 04:35:57PM -0000, Kyle wrote:
> > Question #158012 on DOLFIN changed:
> > https://answers.launchpad.net/dolfin/+question/158012
> > 
> >     Status: Answered => Open
> > 
> > Kyle is still having a problem:
> > Oh sorry!
> > 
> > Yes I am using the Taylor-Hood elements.
> 
> Then just do something like this:
> 
> for v in vertices(mesh)
>   ... = U(v.point())
> 
> for e in edges(mesh)
>   ... = U(e.midpoint())
> 
> I noticed now that function evaluation does not work for the Point
> class. It requires instead the coordinates as input so you need to do
> something like
> 
>   p = v.point()
>   ... = U((v.x(), v.y()))
> 
> instead.
> 
> Note to Hake: Would it be easy to add the possibility of supplying a
> Point argument to __call__?
> 
> > Is this the code located in
> > fsiproblem.py in sandbox/fsi? I looked through it but it looked a little
> > larger than I thought it was going to be.
> 
> Take a look in the file subproblems.py and search for "transfer". You
> might also want to look in fsiproblem.py for how the mapping between
> vertex numbers and edge numbers in the two meshes are computed.
> 
> --
> Anders
> 
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