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<div id="version" align=right><b>petsc-3.4.2 2013-07-02</b></div>
<A NAME="DMPlexCreateSubmesh"><H1>DMPlexCreateSubmesh</H1></A>
Extract a hypersurface from the mesh using vertices defined by a label
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscdmplex.h"
PetscErrorCode DMPlexCreateSubmesh(DM dm, const char vertexLabel[], PetscInt value, DM *subdm)
</PRE>
<H3><FONT COLOR="#CC3333">Input Parameters</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 original mesh
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>vertexLabel </B></TD><TD>- The DMLabel marking vertices contained in the surface
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>value </B></TD><TD>- The label value to use
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Output Parameter</FONT></H3>
<DT><B>subdm </B> -The surface mesh
<br>
<P>
Note: This function produces a DMLabel mapping original points in the submesh to their depth. This can be obtained using <A HREF="../DM/DMPlexGetSubpointMap.html#DMPlexGetSubpointMap">DMPlexGetSubpointMap</A>().
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../DM/DMPlexGetSubpointMap.html#DMPlexGetSubpointMap">DMPlexGetSubpointMap</A>(), <A HREF="../DM/DMPlexGetLabel.html#DMPlexGetLabel">DMPlexGetLabel</A>(), DMLabelSetValue()
<BR><P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>developer
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/dm/impls/plex/plexsubmesh.c.html#DMPlexCreateSubmesh">src/dm/impls/plex/plexsubmesh.c</A>
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