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<TITLE>PetscViewerGetSubViewer</TITLE>
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<div id="version" align=right><b>petsc-3.10.3 2018-12-18</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-3.10.3 v3.10.3 docs/manualpages/Viewer/PetscViewerGetSubViewer.html "><small>Report Typos and Errors</small></a></div>
<A NAME="PetscViewerGetSubViewer"><H1>PetscViewerGetSubViewer</H1></A>
Creates a new <A HREF="../Viewer/PetscViewer.html#PetscViewer">PetscViewer</A> (same type as the old) that lives on a subcommunicator
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscviewer.h"
<A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../Viewer/PetscViewerGetSubViewer.html#PetscViewerGetSubViewer">PetscViewerGetSubViewer</A>(<A HREF="../Viewer/PetscViewer.html#PetscViewer">PetscViewer</A> viewer,<A HREF="../Sys/MPI_Comm.html#MPI_Comm">MPI_Comm</A> comm,<A HREF="../Viewer/PetscViewer.html#PetscViewer">PetscViewer</A> *outviewer)
</PRE>
Collective on <A HREF="../Viewer/PetscViewer.html#PetscViewer">PetscViewer</A>
<P>
<H3><FONT COLOR="#CC3333">Input Parameter</FONT></H3>
<DT><B>viewer </B> -the <A HREF="../Viewer/PetscViewer.html#PetscViewer">PetscViewer</A> to be reproduced
<br>
<P>
<H3><FONT COLOR="#CC3333">Output Parameter</FONT></H3>
<DT><B>outviewer </B> -new <A HREF="../Viewer/PetscViewer.html#PetscViewer">PetscViewer</A>
<br>
<P>
<P>
<H3><FONT COLOR="#CC3333">Notes</FONT></H3>
Call <A HREF="../Viewer/PetscViewerRestoreSubViewer.html#PetscViewerRestoreSubViewer">PetscViewerRestoreSubViewer</A>() to return this <A HREF="../Viewer/PetscViewer.html#PetscViewer">PetscViewer</A>, NOT <A HREF="../Viewer/PetscViewerDestroy.html#PetscViewerDestroy">PetscViewerDestroy</A>()
<P>
This is most commonly used to view a sequential object that is part of a
parallel object. For example block Jacobi <A HREF="../PC/PC.html#PC">PC</A> view could use this to obtain a
<A HREF="../Viewer/PetscViewer.html#PetscViewer">PetscViewer</A> that is used with the sequential <A HREF="../KSP/KSP.html#KSP">KSP</A> on one block of the preconditioner.
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../Viewer/PetscViewerSocketOpen.html#PetscViewerSocketOpen">PetscViewerSocketOpen</A>(), <A HREF="../Viewer/PetscViewerASCIIOpen.html#PetscViewerASCIIOpen">PetscViewerASCIIOpen</A>(), <A HREF="../Viewer/PetscViewerDrawOpen.html#PetscViewerDrawOpen">PetscViewerDrawOpen</A>(), <A HREF="../Viewer/PetscViewerRestoreSubViewer.html#PetscViewerRestoreSubViewer">PetscViewerRestoreSubViewer</A>()
<BR><P><B></B><H3><FONT COLOR="#CC3333">Level</FONT></H3>advanced<BR>
<H3><FONT COLOR="#CC3333">Location</FONT></H3>
</B><A HREF="../../../src/sys/classes/viewer/interface/dupl.c.html#PetscViewerGetSubViewer">src/sys/classes/viewer/interface/dupl.c</A>
<P><H3><FONT COLOR="#CC3333">Examples</FONT></H3>
<A HREF="../../../src/sys/examples/tutorials/ex15.c.html">src/sys/examples/tutorials/ex15.c.html</A><BR>
<A HREF="../../../src/vec/vec/examples/tutorials/ex9f.F90.html">src/vec/vec/examples/tutorials/ex9f.F90.html</A><BR>
<A HREF="../../../src/vec/vec/examples/tutorials/ex14f.F90.html">src/vec/vec/examples/tutorials/ex14f.F90.html</A><BR>
<A HREF="../../../src/dm/examples/tutorials/ex6.c.html">src/dm/examples/tutorials/ex6.c.html</A><BR>
<P><H3><FONT COLOR="CC3333">Implementations</FONT></H3><A HREF="../../../src/sys/classes/viewer/impls/ascii/filev.c.html#PetscViewerGetSubViewer_ASCII">PetscViewerGetSubViewer_ASCII in src/sys/classes/viewer/impls/ascii/filev.c</A><BR>
<A HREF="../../../src/sys/classes/viewer/impls/binary/binv.c.html#PetscViewerGetSubViewer_Binary">PetscViewerGetSubViewer_Binary in src/sys/classes/viewer/impls/binary/binv.c</A><BR>
<A HREF="../../../src/sys/classes/viewer/impls/draw/drawv.c.html#PetscViewerGetSubViewer_Draw">PetscViewerGetSubViewer_Draw in src/sys/classes/viewer/impls/draw/drawv.c</A><BR>
<A HREF="../../../src/sys/classes/viewer/impls/string/stringv.c.html#PetscViewerGetSubViewer_String">PetscViewerGetSubViewer_String in src/sys/classes/viewer/impls/string/stringv.c</A><BR>
<BR><A HREF="./index.html">Index of all Viewer routines</A>
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