Thanks for your reply. But I don't find a iterator for edge in CellAccessor. There are cell, face, and vertex iterators, but lArclengthProjectionLineManifold requires a 1d topology. Which part of mesh should I set manifold?
在2022年10月17日星期一 UTC+8 06:49:45<Wolfgang Bangerth> 写道： > On 10/16/22 09:00, 'yy.wayne' via deal.II User Group wrote: > > > > Then I met trouble for 3d case. Now "edge of mesh" is 1d and "face of > mesh" is > > 2d. My understanding is now only surface projection is required and line > > projection is meaningless. However I keep run into error that "point is > not on > > manifold" even tolerance is 100000 times of original iges tolerance. > > In 3d, we first refine the edges and then the faces. You need manifolds > for > both 1d and 2d objects. > > Best > W. > > -- > ------------------------------------------------------------------------ > Wolfgang Bangerth email: [email protected] > www: http://www.math.colostate.edu/~bangerth/ > > -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/dealii?hl=en --- You received this message because you are subscribed to the Google Groups "deal.II User Group" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/dealii/6bc4802b-9cf3-49ba-a126-40bc7a686620n%40googlegroups.com.
