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<TITLE>DMPlexCellRefinerGetAffineFaceTransforms</TITLE>
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<div id="version" align=right><b>petsc-3.14.5 2021-03-03</b></div>
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<A NAME="DMPlexCellRefinerGetAffineFaceTransforms"><H1>DMPlexCellRefinerGetAffineFaceTransforms</H1></A>
Gets the affine map from the reference face cell to each face in the given cell
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscdmplex.h"
<A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../DMPLEX/DMPlexCellRefinerGetAffineFaceTransforms.html#DMPlexCellRefinerGetAffineFaceTransforms">DMPlexCellRefinerGetAffineFaceTransforms</A>(DMPlexCellRefiner cr, <A HREF="../DM/DMPolytopeType.html#DMPolytopeType">DMPolytopeType</A> ct, <A HREF="../Sys/PetscInt.html#PetscInt">PetscInt</A> *Nf, <A HREF="../Sys/PetscReal.html#PetscReal">PetscReal</A> *v0[], <A HREF="../Sys/PetscReal.html#PetscReal">PetscReal</A> *J[], <A HREF="../Sys/PetscReal.html#PetscReal">PetscReal</A> *invJ[], <A HREF="../Sys/PetscReal.html#PetscReal">PetscReal</A> *detJ[])
</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>cr </B></TD><TD>- The DMPlexCellRefiner object
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>ct </B></TD><TD>- The cell type
</TD></TR></TABLE>
<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>Nf </B></TD><TD>- The number of faces for this cell type
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>v0 </B></TD><TD>- The translation of the first vertex for each face
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>J </B></TD><TD>- The Jacobian for each face (map from original cell to subcell)
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>invJ </B></TD><TD>- The inverse Jacobian for each face
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>detJ </B></TD><TD>- The determinant of the Jacobian for each face
</TD></TR></TABLE>
<P>
Note: The Jacobian and inverse Jacboian will be rectangular, and the inverse is really a generalized inverse.
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../DMPLEX/DMPlexCellRefinerGetAffineTransforms.html#DMPlexCellRefinerGetAffineTransforms">DMPlexCellRefinerGetAffineTransforms</A>(), Create()
<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/plexrefine.c.html#DMPlexCellRefinerGetAffineFaceTransforms">src/dm/impls/plex/plexrefine.c</A>
<P><H3><FONT COLOR="CC3333">Implementations</FONT></H3><A HREF="../../../src/dm/impls/plex/plexrefine.c.html#DMPlexCellRefinerGetAffineFaceTransforms_Regular">DMPlexCellRefinerGetAffineFaceTransforms_Regular in src/dm/impls/plex/plexrefine.c</A><BR>
<BR><A HREF="./index.html">Index of all DMPLEX routines</A>
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