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<TITLE>DMDAGetGhostCorners</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/DMDAGetGhostCorners.html "><small>Report Typos and Errors</small></a></div>
<A NAME="DMDAGetGhostCorners"><H1>DMDAGetGhostCorners</H1></A>
Returns the global (x,y,z) indices of the lower left corner and size of the local region, including ghost points.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscdmda.h"
PetscErrorCode DMDAGetGhostCorners(DM da,PetscInt *x,PetscInt *y,PetscInt *z,PetscInt *m,PetscInt *n,PetscInt *p)
</PRE>
Not Collective
<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>x,y,z </B></TD><TD>- the corner indices (where y and z are optional; these are used
for 2D and 3D problems)
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>m,n,p </B></TD><TD>- widths in the corresponding directions (where n and p are optional;
these are used for 2D and 3D problems)
</TD></TR></TABLE>
<P>
<P>
<H3><FONT COLOR="#CC3333">Note</FONT></H3>
The corner information is independent of the number of degrees of
freedom per node set with the DMDACreateXX() routine. Thus the x, y, z, and
m, n, p can be thought of as coordinates on a logical grid, where each
grid point has (potentially) several degrees of freedom.
Any of y, z, n, and p can be passed in as NULL if not needed.
<P>
<H3><FONT COLOR="#CC3333">Keywords</FONT></H3>
distributed array, get, ghost, corners, nodes, local indices
<BR>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../DM/DMDAGetCorners.html#DMDAGetCorners">DMDAGetCorners</A>(), <A HREF="../DM/DMDACreate1d.html#DMDACreate1d">DMDACreate1d</A>(), <A HREF="../DM/DMDACreate2d.html#DMDACreate2d">DMDACreate2d</A>(), <A HREF="../DM/DMDACreate3d.html#DMDACreate3d">DMDACreate3d</A>(), <A HREF="../DM/DMDAGetOwnershipRanges.html#DMDAGetOwnershipRanges">DMDAGetOwnershipRanges</A>()
<BR>
<P>
<P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>beginner
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/dm/impls/da/daghost.c.html#DMDAGetGhostCorners">src/dm/impls/da/daghost.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/ksp/ksp/examples/tutorials/ex42.c.html">src/ksp/ksp/examples/tutorials/ex42.c.html</A><BR>
<A HREF="../../../src/ksp/ksp/examples/tutorials/ex43.c.html">src/ksp/ksp/examples/tutorials/ex43.c.html</A><BR>
<A HREF="../../../src/ksp/ksp/examples/tutorials/ex49.c.html">src/ksp/ksp/examples/tutorials/ex49.c.html</A><BR>
<A HREF="../../../src/ksp/ksp/examples/tutorials/ex14f.F.html">src/ksp/ksp/examples/tutorials/ex14f.F.html</A><BR>
<A HREF="../../../src/snes/examples/tutorials/ex48.c.html">src/snes/examples/tutorials/ex48.c.html</A><BR>
<A HREF="../../../src/snes/examples/tutorials/ex5f.F.html">src/snes/examples/tutorials/ex5f.F.html</A><BR>
<A HREF="../../../src/snes/examples/tutorials/ex5f90.F.html">src/snes/examples/tutorials/ex5f90.F.html</A><BR>
<A HREF="../../../src/snes/examples/tutorials/ex5f90t.F.html">src/snes/examples/tutorials/ex5f90t.F.html</A><BR>
<A HREF="../../../src/ts/examples/tutorials/ex14.c.html">src/ts/examples/tutorials/ex14.c.html</A><BR>
<A HREF="../../../src/ts/examples/tutorials/ex22f.F.html">src/ts/examples/tutorials/ex22f.F.html</A><BR>
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