I would find a bit more fuzziness here to be useful myself....
Derek On Tue, Jul 15, 2014 at 8:53 PM, David Knezevic <[email protected]> wrote: > > On 07/15/2014 10:51 PM, Roy Stogner wrote: > > > > On Tue, 15 Jul 2014, David Knezevic wrote: > > > >> I use MeshFunction a lot, it's very helpful. But sometimes due to > >> rounding error, I evaluate a MeshFunction at a point just outside the > >> mesh, and hence the evaluation fails. > >> > >> I'd like to prevent this type of failure. > >> > >> I was thinking of perturbing the evaluation point in various directions > >> (p + (delta,0,0), p + (0,delta,0), etc) until I find a point that is > >> inside the mesh. This seems like it would work, but it's not very > >> elegant. I was wondering if anyone has any other ideas about how to go > >> about this? > > > > We currently use Elem::contains_point() with default tolerance in the > > point_locator in MeshFunction. Perhaps we could switch that to > > Elem::close_to_point(), add functionality to the point locators to > > allow increasing the tolerance, and expose that in the MeshFunction? > > That sounds very good to me. > > David > > > > ------------------------------------------------------------------------------ > Want fast and easy access to all the code in your enterprise? Index and > search up to 200,000 lines of code with a free copy of Black Duck > Code Sight - the same software that powers the world's largest code > search on Ohloh, the Black Duck Open Hub! Try it now. > http://p.sf.net/sfu/bds > _______________________________________________ > Libmesh-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/libmesh-users > ------------------------------------------------------------------------------ Want fast and easy access to all the code in your enterprise? Index and search up to 200,000 lines of code with a free copy of Black Duck Code Sight - the same software that powers the world's largest code search on Ohloh, the Black Duck Open Hub! Try it now. http://p.sf.net/sfu/bds _______________________________________________ Libmesh-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/libmesh-users
