I will try, in my spare time, to study a little on grid generation techniques so i could improve the built-in meshes on Dolfin.
On Tuesday 24 June 2008, Nuno David Lopes wrote: > There goes: > Rectangle, (copy/paste, with added parameters, of the UnitSquare case) > Box (copy/paste, with added parameters, of the UnitCube case) > and UnitCircle. > (copy/paste, with added parameters and variable transformations, of the > UnitSquare case) > I've included a sandbox/built-in_mesh/ > for testing the Circle case. > I will include the Cylinder and Sphere case only if you think that > the UnitCircle is of any use, since they use the same transformations . > > Thanks. > > On Monday 23 June 2008, Nuno David Lopes wrote: > > On Friday 20 June 2008, Anders Logg wrote: > > > On Fri, Jun 20, 2008 at 04:08:56PM +0100, Nuno David Lopes wrote: > > > > Probably this isn't the right time but: > > > > I've added the following built-in meshes > > > > --------------------------------------------------- > > > > UnitSphere (it builds a cylinder) > > > > Rectangle ((a,b)x(c,d)) > > > > UnitCircle > > > > Cuboid ((a,b)x(c,d)x(e,f)) (probably it should be renamed for block > > > > or something, in portuguese it's a "Paralelipípedo") > > > > ---------------------------------------------------- > > > > > > Very nice. I've been wanting to have this for some time. > > > > > > Just some questions about the names: > > > > > > Why does the UnitSphere build a cylinder? Shouldn't it rather build a > > > unit sphere? > > > > It was a mistake...It does a Sphere, but we can get a cylinder to. > > > > > I would suggest renaming Cuboid to Box. > > > > > > > And its easy to generalize all of them, just by the adding of some > > > > parameters. > > > > > > > > All of them are simple transformations of UnitSquare and UnitCube > > > > (only on the vertices part), the rest is copy/paste. > > > > Some doubts remains about the quality of the meshes (UnitSphere and > > > > UnitCircle) > > > > Also it's possible to group all the code in one or two classes > > > > instead of 6. > > > > > > > > I've some pictures and usage examples in > > > > http://ptmat.ptmat.fc.ul.pt/%7Endl/other/dolfin.dir/README.html#sec-3 > > > >0 So when you feel is the right time i could bundle it. > > > > > > A bundle would be nice after the release on Monday. > > > > After the release i'll send the Rectangle and Box. > > I've to think and try a litlle more in the Sphere,circle, cylinder > > cases. The thing is that the mesh quality of those is bad. -- Nuno David Lopes e-mail:[EMAIL PROTECTED] (FCUL/CMAF) [EMAIL PROTECTED] (ISEL) http://ptmat.ptmat.fc.ul.pt/%7Endl/ Tue Jun 24 11:20:00 WEST 2008 _______________________________________________ DOLFIN-dev mailing list [email protected] http://www.fenics.org/mailman/listinfo/dolfin-dev
