On Tue, 18 Aug 2009, John Peterson wrote:
On Tue, Aug 18, 2009 at 8:43 AM, Roy Stogner<royst...@ices.utexas.edu> wrote:
On Tue, 18 Aug 2009, Tim Kroeger wrote:
when a mesh is written with Mesh::write() (into a .xdr file) and later
re-read with Mesh::read(), are then the Elem::id() values guaranteed
to be the same as in the original mesh, or is it possible the they get
newly-numbered?
They definitely get newly numbered, in general. Not sure what the
exceptions are.
I think there are definitely some exceptions. The last time I used
restart solutions, they seemed to work, and I don't see how it could
unless the Mesh which was read back in had the same numbering as when
it was written out...
Restart solutions are a special case; IIRC we re-index them when we're
renumbering. That's why I suggested an ExplicitSystem with piecewise
constants as a nasty hack for associating data with each element.
---
Roy
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