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<div id="version" align=right><b>petsc-3.10.3 2018-12-18</b></div>
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<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"
#include "petscdmlabel.h"
<A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../DMPLEX/DMPlexCreateSubmesh.html#DMPlexCreateSubmesh">DMPlexCreateSubmesh</A>(<A HREF="../DM/DM.html#DM">DM</A> dm, <A HREF="../DM/DMLabel.html#DMLabel">DMLabel</A> vertexLabel, <A HREF="../Sys/PetscInt.html#PetscInt">PetscInt</A> value, <A HREF="../Sys/PetscBool.html#PetscBool">PetscBool</A> markedFaces, <A HREF="../DM/DM.html#DM">DM</A> *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 <A HREF="../DM/DMLabel.html#DMLabel">DMLabel</A> marking points 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>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>markedFaces </B></TD><TD>- <A HREF="../Sys/PETSC_TRUE.html#PETSC_TRUE">PETSC_TRUE</A> if surface faces are marked in addition to vertices, <A HREF="../Sys/PETSC_FALSE.html#PETSC_FALSE">PETSC_FALSE</A> if only vertices are marked
</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 <A HREF="../DM/DMLabel.html#DMLabel">DMLabel</A> mapping original points in the submesh to their depth. This can be obtained using <A HREF="../DMPLEX/DMPlexGetSubpointMap.html#DMPlexGetSubpointMap">DMPlexGetSubpointMap</A>().
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../DMPLEX/DMPlexGetSubpointMap.html#DMPlexGetSubpointMap">DMPlexGetSubpointMap</A>(), <A HREF="../DM/DMGetLabel.html#DMGetLabel">DMGetLabel</A>(), <A HREF="../DMLABEL/DMLabelSetValue.html#DMLabelSetValue">DMLabelSetValue</A>()
<BR><P><B></B><H3><FONT COLOR="#CC3333">Level</FONT></H3>developer<BR>
<H3><FONT COLOR="#CC3333">Location</FONT></H3>
</B><A HREF="../../../src/dm/impls/plex/plexsubmesh.c.html#DMPlexCreateSubmesh">src/dm/impls/plex/plexsubmesh.c</A>
<P><H3><FONT COLOR="CC3333">Implementations</FONT></H3><A HREF="../../../src/dm/impls/plex/plexsubmesh.c.html#DMPlexCreateSubmesh_Uninterpolated">DMPlexCreateSubmesh_Uninterpolated in src/dm/impls/plex/plexsubmesh.c</A><BR>
<A HREF="../../../src/dm/impls/plex/plexsubmesh.c.html#DMPlexCreateSubmesh_Interpolated">DMPlexCreateSubmesh_Interpolated in src/dm/impls/plex/plexsubmesh.c</A><BR>
<BR><A HREF="./index.html">Index of all DMPLEX routines</A>
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