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<A NAME="DAGetScatter"><H1>DAGetScatter</H1></A>
Gets the local-to-global, local-to-global, and local-to-local vector scatter contexts for a distributed array.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscda.h"
PetscErrorCode PETSCDM_DLLEXPORT DAGetScatter(DA da,VecScatter *ltog,VecScatter *gtol,VecScatter *ltol)
</PRE>
Collective on <A HREF="../DA/DA.html#DA">DA</A>
<P>
<H3><FONT COLOR="#CC3333">Input Parameter</FONT></H3>
<DT><B>da </B> -the distributed array
<br>
<P>
<H3><FONT COLOR="#CC3333">Output Parameters</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>ltog </B></TD><TD>- local-to-global scatter context (may be <A HREF="../Sys/PETSC_NULL.html#PETSC_NULL">PETSC_NULL</A>)
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>gtol </B></TD><TD>- global-to-local scatter context (may be <A HREF="../Sys/PETSC_NULL.html#PETSC_NULL">PETSC_NULL</A>)
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>ltol </B></TD><TD>- local-to-local scatter context (may be <A HREF="../Sys/PETSC_NULL.html#PETSC_NULL">PETSC_NULL</A>)
</TD></TR></TABLE>
<P>
<P>
<H3><FONT COLOR="#CC3333">Notes</FONT></H3>
The output contexts are valid only as long as the input da is valid.
If you delete the da, the scatter contexts will become invalid.
<P>
<H3><FONT COLOR="#CC3333">Keywords</FONT></H3>
distributed array, get, scatter, context, global-to-local,
<BR>local-to-global, local-to-local
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../DA/DAGlobalToLocalBegin.html#DAGlobalToLocalBegin">DAGlobalToLocalBegin</A>(), <A HREF="../DA/DAGlobalToLocalEnd.html#DAGlobalToLocalEnd">DAGlobalToLocalEnd</A>(), <A HREF="../DA/DALocalToGlobal.html#DALocalToGlobal">DALocalToGlobal</A>()
<BR><P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>developer
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/dm/da/src/dascatter.c.html#DAGetScatter">src/dm/da/src/dascatter.c</A>
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