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<TITLE>DMPlexDistribute</TITLE>
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<div id="version" align=right><b>petsc-3.7.5 2017-01-01</b></div>
<div id="bugreport" align=right><a href="mailto:petsc-maint@mcs.anl.gov?subject=Typo or Error in Documentation &body=Please describe the typo or error in the documentation: petsc-3.7.5 v3.7.5 docs/manualpages/DM/DMPlexDistribute.html "><small>Report Typos and Errors</small></a></div>
<A NAME="DMPlexDistribute"><H1>DMPlexDistribute</H1></A>
Add partition overlap to a distributed non-overlapping <A HREF="../DM/DM.html#DM">DM</A>.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscdmplex.h"
#include "petscdmlabel.h"
PetscErrorCode DMPlexDistributeOverlap(DM dm, PetscInt overlap, PetscSF *sf, DM *dmOverlap)
</PRE>
Not Collective
<P>
<H3><FONT COLOR="#CC3333">Input Parameter</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>dm </B></TD><TD>- The non-overlapping distrbuted DMPlex object
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>overlap </B></TD><TD>- The overlap of partitions, 0 is the default
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Output Parameter</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>sf </B></TD><TD>- The <A HREF="../PetscSF/PetscSF.html#PetscSF">PetscSF</A> used for point distribution
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>dmOverlap </B></TD><TD>- The overlapping distributed DMPlex object, or NULL
</TD></TR></TABLE>
<P>
Note: If the mesh was not distributed, the return value is NULL.
<P>
The user can control the definition of adjacency for the mesh using <A HREF="../DM/DMPlexGetAdjacencyUseCone.html#DMPlexGetAdjacencyUseCone">DMPlexGetAdjacencyUseCone</A>() and
<A HREF="../DM/DMPlexSetAdjacencyUseClosure.html#DMPlexSetAdjacencyUseClosure">DMPlexSetAdjacencyUseClosure</A>(). They should choose the combination appropriate for the function
representation on the mesh.
<P>
<P>
<H3><FONT COLOR="#CC3333">Keywords</FONT></H3>
mesh, elements
<BR>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../DM/DMPlexCreate.html#DMPlexCreate">DMPlexCreate</A>(), DMPlexDistributeByFace(), <A HREF="../DM/DMPlexSetAdjacencyUseCone.html#DMPlexSetAdjacencyUseCone">DMPlexSetAdjacencyUseCone</A>(), <A HREF="../DM/DMPlexSetAdjacencyUseClosure.html#DMPlexSetAdjacencyUseClosure">DMPlexSetAdjacencyUseClosure</A>()
<BR><P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>intermediate
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/dm/impls/plex/plexdistribute.c.html#DMPlexDistribute">src/dm/impls/plex/plexdistribute.c</A>
<BR><A HREF="./index.html">Index of all DM routines</A>
<BR><A HREF="../../index.html">Table of Contents for all manual pages</A>
<BR><A HREF="../singleindex.html">Index of all manual pages</A>
<P><H3><FONT COLOR="#CC3333">Examples</FONT></H3>
<A HREF="../../../src/dm/impls/plex/examples/tutorials/ex1.c.html">src/dm/impls/plex/examples/tutorials/ex1.c.html</A><BR>
<A HREF="../../../src/snes/examples/tutorials/ex12.c.html">src/snes/examples/tutorials/ex12.c.html</A><BR>
<A HREF="../../../src/snes/examples/tutorials/ex62.c.html">src/snes/examples/tutorials/ex62.c.html</A><BR>
<A HREF="../../../src/snes/examples/tutorials/ex77.c.html">src/snes/examples/tutorials/ex77.c.html</A><BR>
<A HREF="../../../src/ts/examples/tutorials/ex11.c.html">src/ts/examples/tutorials/ex11.c.html</A><BR>
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