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author | rideout <rideout@17b73243-c579-4c4c-a9d2-2d5706c11dac> | 2002-08-01 10:37:18 +0000 |
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committer | rideout <rideout@17b73243-c579-4c4c-a9d2-2d5706c11dac> | 2002-08-01 10:37:18 +0000 |
commit | d772a8087cf5d01465f94cb1b19329f5a5bf08c4 (patch) | |
tree | 6a956129299227c6590d7db4555fb136f0505812 /doc/UsersGuide/ThornWriters.tex | |
parent | e2db2645e8c8e9531c0551c164eda001e81efe7f (diff) |
Trivial cleanup of staggering discussion.
git-svn-id: http://svn.cactuscode.org/flesh/trunk@2937 17b73243-c579-4c4c-a9d2-2d5706c11dac
Diffstat (limited to 'doc/UsersGuide/ThornWriters.tex')
-rw-r--r-- | doc/UsersGuide/ThornWriters.tex | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/doc/UsersGuide/ThornWriters.tex b/doc/UsersGuide/ThornWriters.tex index db6b8084..b06c7d60 100644 --- a/doc/UsersGuide/ThornWriters.tex +++ b/doc/UsersGuide/ThornWriters.tex @@ -965,7 +965,7 @@ of the ``grid lines''. It can be moved by half a grid spacing in any or all dimensions. In the latter case, it will be placed in the center of a cell. -The staggering of grid function is a pure {\em physical} property: +The staggering of a grid function is a pure {\em physical} property: the values will be calculated at a different position in physical space. Still the indexing (or bookeeping) is kept the same for all types of staggerings: the indexing of the default unstaggered grids is @@ -1711,7 +1711,7 @@ different architectures or configurations. \subsection{Staggering} \label{sec:st} -{\bf Indexing, ghostzones, etc.} +\subsubsection{Indexing, ghostzones, etc.} Note that staggering does not make any changes to the indexing of a gridfunction: the black solid circles in diagram \ref{fig:stagger2} and their associated staggered gridfunctions (connected by arrows) have the same index! @@ -1731,7 +1731,7 @@ Note that the number of center staggered gridpoints (fat crosses) corresponds to the number of default gridpoints on all processors but the last one. (The same is true for full staggered gridpoints). -{\bf Staggertypes} +\subsubsection{Staggertypes} The string specifying the staggering is encoded in a number called the {\em staggerindex}. With the 3 supported staggerings, the string is converted into a base-3 number. Several routines exist, to extract the |