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diff --git a/doc/documentation.tex b/doc/documentation.tex index ce6749a..49ef96f 100644 --- a/doc/documentation.tex +++ b/doc/documentation.tex @@ -603,6 +603,27 @@ periodicity, staggered boundary & no & yes & 0 For other boundary conditions such as Dirichlet or Robin, one can choose these parameters freely. +\section{Driver Issues} + +When using the CoordBase domain and boundary parameters, the driver +(PUGH, Carpet, etc) also needs to be kept informed. + +\subsection{PUGH} + +If you're using PUGH, you \textbf{must} still set the parameters +\verb|driver::global_nx|, \verb|driver::global_ny|, and +\verb|driver::global_nz| by hand. (Of course, you must set them +to values consistent with the CoordBase parameters.) (If you don't +set these parameters, PUGH will assume a default $10 \times 10 \times 10$ +grid, which is almost certainly not what you want!) + +\subsection{Carpet} + +If you're using Carpet, things are nice: just set +\begin{verbatim} +Carpet::domain_from_coordbase = true +\end{verbatim} +and Carpet will get all this information from CoordBase. % Do not delete next line % END CACTUS THORNGUIDE |