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author | tradke <tradke@17b73243-c579-4c4c-a9d2-2d5706c11dac> | 2005-09-15 14:24:21 +0000 |
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committer | tradke <tradke@17b73243-c579-4c4c-a9d2-2d5706c11dac> | 2005-09-15 14:24:21 +0000 |
commit | 5cb3a10bb0bfa2d33e4cd217db45d9f69bb9873c (patch) | |
tree | b67323e8799fce215f107bd53dbbeabd1647df80 /doc/UsersGuide/Appendices.tex | |
parent | d1a54c3155b7765838115884e7582cd262aa98fa (diff) |
Document the (optional) tags information 'Checkpoint="yes|no"' in
grid variable group definitions.
git-svn-id: http://svn.cactuscode.org/flesh/trunk@4131 17b73243-c579-4c4c-a9d2-2d5706c11dac
Diffstat (limited to 'doc/UsersGuide/Appendices.tex')
-rw-r--r-- | doc/UsersGuide/Appendices.tex | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/doc/UsersGuide/Appendices.tex b/doc/UsersGuide/Appendices.tex index 24804410..2f041290 100644 --- a/doc/UsersGuide/Appendices.tex +++ b/doc/UsersGuide/Appendices.tex @@ -570,10 +570,29 @@ of an {\tt ARRAY}. that direction is on the {\tt M}inus face, {\tt C}entre, or {\tt P}lus face of the cell in that dimension. \item{} {\t TAGS} defines an optional string which is used to create a - set of key-value pairs associated with the group. The keys are case + set of key-value pairs associated with the group. The keys are case independent. The string (which must be deliminated by single or double quotes) is interpreted by the function - Util\_TableSetFromString(), which is described in the ReferenceManual. + {\t Util\_TableSetFromString()}, which is described in the + ReferenceManual.\\ + Currently the CST parser and the flesh do not evaluate any information + passed in an optional {\t TAGS} string. Thorns may do so by + querying the key/value table information for a group by using + {\t CCTK\_GroupTagsTable()} and the + appropriate {\t Util\_TableGet*()} utility functions + (see the ReferenceManual for detailed descriptions).\\ + Example {\t TAGS} information include: + \begin{itemize} + \item {\t Checkpoint="yes|no"}\\ + as used by I/O thorns which implement checkpointing/recovery + functionality to specify whether a group needs be saved + ({\t "yes"}, this is the default) or can be omitted ({\t "no"}) + in the checkpoint + because it will be recalculated during recovery anyway. + \item {\t Prolongation="None|Copy|Lagrange|TVD|ENO"}\\ + as used by a mesh refinement driver thorn (such as Carpet) + to specify the prolongation type for a group + \end{itemize} \item{} The (optional) block following the group declaration line contains a list of variables contained in the group. All variables in a group have the same data type, variable type, dimension and |