[petsc-users] orientation semantics for DMPlex

Geoffrey Irving irving at naml.us
Thu Nov 21 20:12:32 CST 2013

What are the orientation semantics of DMPlex?  I figured if I listed
the edges of each triangle in counterclockwise order it would come out
right, but it appears to be right for some triangles and wrong for
others.  Do I always have to call DMPlexSetConeOrientation?

Unfortunately, I haven't yet grasped the documentation for


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