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<div id="version" align=right><b>slepc-3.14.2 2021-02-01</b></div>
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<H1>RGRingGetParameters</H1>
Gets the parameters that define the ring region.
<H3><FONT COLOR="#883300">Synopsis</FONT></H3>
<PRE>
#include "slepcrg.h"
PetscErrorCode <A HREF="../RG/RGRingGetParameters.html#RGRingGetParameters">RGRingGetParameters</A>(<A HREF="../RG/RG.html#RG">RG</A> rg,PetscScalar *center,PetscReal *radius,PetscReal *vscale,PetscReal *start_ang,PetscReal *end_ang,PetscReal *width)
</PRE>
Not Collective
<P>
<H3><FONT COLOR="#883300">Input Parameter</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>rg </B></TD><TD> - the region context
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#883300">Output Parameters</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>center </B></TD><TD> - center of the region
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>radius </B></TD><TD> - radius of the region
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>vscale </B></TD><TD> - vertical scale of the region
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>start_ang </B></TD><TD> - the right-hand side angle
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>end_ang </B></TD><TD> - the left-hand side angle
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>width </B></TD><TD> - width of the ring
</TD></TR></TABLE>
<P>
<P>
<H3><FONT COLOR="#883300">See Also</FONT></H3>
<A HREF="../RG/RGRingSetParameters.html#RGRingSetParameters">RGRingSetParameters</A>()
<BR><P><B><FONT COLOR="#883300">Location: </FONT></B><A HREF="../../../src/sys/classes/rg/impls/ring/rgring.c.html#RGRingGetParameters">src/sys/classes/rg/impls/ring/rgring.c</A>
<BR><A HREF="./index.html">Index of all RG routines</A>
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