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<TITLE>DAGetGhostCorners</TITLE>
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<A NAME="DAGetGhostCorners"><H1>DAGetGhostCorners</H1></A>
Returns the global (x,y,z) indices of the lower left corner of the local region, including ghost points.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscda.h"
PetscErrorCode PETSCDM_DLLEXPORT DAGetGhostCorners(DA 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 DACreateXX() 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 <A HREF="../Sys/PETSC_NULL.html#PETSC_NULL">PETSC_NULL</A> 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="../DA/DAGetCorners.html#DAGetCorners">DAGetCorners</A>(), <A HREF="../DA/DACreate1d.html#DACreate1d">DACreate1d</A>(), <A HREF="../DA/DACreate2d.html#DACreate2d">DACreate2d</A>(), <A HREF="../DA/DACreate3d.html#DACreate3d">DACreate3d</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/da/src/daghost.c.html#DAGetGhostCorners">src/dm/da/src/daghost.c</A>
<BR><A HREF="./index.html">Index of all DA 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/ex14f.F.html">src/ksp/ksp/examples/tutorials/ex14f.F.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/dm/da/examples/tutorials/ex6.c.html">src/dm/da/examples/tutorials/ex6.c.html</A><BR>
<A HREF="../../../src/dm/da/examples/tutorials/ex6f90.F.html">src/dm/da/examples/tutorials/ex6f90.F.html</A><BR>
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