Add the "Cactus version" attribute to a datafile indicating that variables

with multiple timelevels should be read in following the new timelevel scheme.

Thanks to Ken Smith for pointing this out.
This closes PR Documentation/1107.


git-svn-id: http://svn.cactuscode.org/arrangements/CactusPUGHIO/IOHDF5/trunk@145 4825ed28-b72c-4eae-9704-e50c059e567d

1 files changed, 5 insertions, 1 deletions

diff --git a/doc/documentation.tex b/doc/documentation.tex
index d950402..fc0afbc 100644
--- a/doc/documentation.tex
+++ b/doc/documentation.tex
@@ -220,12 +220,16 @@ template for building your own data converter program.\\
           \item Does the file contain chunked or unchunked data ?
           \item How many processors were used to produce the data ?
           \item How many I/O processors were used to write the data ?
+          \item What Cactus version is this datafile compatible with ?
         \end{itemize}
         Such information is put into as attributes into a group named
         {\tt "Global Attributes"}. Since we assume unchunked data here
         the processor information isn't relevant --- unchunked data can
         be fed back into a Cactus simulation running on an arbitrary
-        number of processors.
+        number of processors.\\
+        The Cactus version ID must be present to indicate that grid variables
+        with multiple timelevels should be recovered following the new
+        timelevel scheme (as introduced in Cactus beta 10).
 \end{enumerate}
 
 The example C program goes through all of these steps and creates a datafile