On Wed, Sep 26, 2012 at 5:24 PM, Chris Eldred <chris.eldred at gmail.com>wrote:
> On the subject: > > How do coordinates work for user-defined DMComplex objects? What > determines the Coordinate section (and which points does it contain?)? > How is the coordinate vector set? I am just rewriting this. Now it will be DMGetCoordinateDM(DM, DM *) DMGetCoordinates(DM, Vec *) DMGetCoordinatesLocal(DM, Vec *) and there is a convenience DMComplexGetCoordinateSection(DM, PetscSection *) By default, I read in the vertex coordinates from the mesh generator. However, the idea is that you can interpret the coordinates however you want. We just give you a DM and a vector. You can construct the section however you want, although without vertex coordinates some default things will not work, like VTK output. Matt > > -- > Chris Eldred > DOE Computational Science Graduate Fellow > Graduate Student, Atmospheric Science, Colorado State University > B.S. Applied Computational Physics, Carnegie Mellon University, 2009 > chris.eldred at gmail.com > -- What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead. -- Norbert Wiener -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-dev/attachments/20120926/a30d0a4b/attachment.html>