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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="PetscDrawHGCreate"><H1>PetscDrawHGCreate</H1></A>
Creates a histogram data structure.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscdraw.h"
#include "petscsys.h"
#include "petscviewer.h"
<A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../Draw/PetscDrawHGCreate.html#PetscDrawHGCreate">PetscDrawHGCreate</A>(<A HREF="../Draw/PetscDraw.html#PetscDraw">PetscDraw</A> draw,int bins,<A HREF="../Draw/PetscDrawHG.html#PetscDrawHG">PetscDrawHG</A> *hist)
</PRE>
Collective on <A HREF="../Draw/PetscDraw.html#PetscDraw">PetscDraw</A>
<P>
<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>draw </B></TD><TD>- The window where the graph will be made
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>bins </B></TD><TD>- The number of bins to use
</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>hist </B></TD><TD>- The histogram context
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Notes</FONT></H3>
The difference between a bar chart, <A HREF="../Draw/PetscDrawBar.html#PetscDrawBar">PetscDrawBar</A>, and a histogram, <A HREF="../Draw/PetscDrawHG.html#PetscDrawHG">PetscDrawHG</A>, is explained here https://stattrek.com/statistics/charts/histogram.aspx?Tutorial=AP
<P>
The histogram is only displayed when <A HREF="../Draw/PetscDrawHGDraw.html#PetscDrawHGDraw">PetscDrawHGDraw</A>() is called.
<P>
The MPI communicator that owns the <A HREF="../Draw/PetscDraw.html#PetscDraw">PetscDraw</A> owns this <A HREF="../Draw/PetscDrawHG.html#PetscDrawHG">PetscDrawHG</A>, but the calls to set options and add data are ignored on all processes except the
zeroth MPI process in the communicator. All MPI processes in the communicator must call <A HREF="../Draw/PetscDrawHGDraw.html#PetscDrawHGDraw">PetscDrawHGDraw</A>() to display the updated graph.
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../Draw/PetscDrawHGDestroy.html#PetscDrawHGDestroy">PetscDrawHGDestroy</A>(), <A HREF="../Draw/PetscDrawHG.html#PetscDrawHG">PetscDrawHG</A>, <A HREF="../Draw/PetscDrawBarCreate.html#PetscDrawBarCreate">PetscDrawBarCreate</A>(), <A HREF="../Draw/PetscDrawBar.html#PetscDrawBar">PetscDrawBar</A>, <A HREF="../Draw/PetscDrawLGCreate.html#PetscDrawLGCreate">PetscDrawLGCreate</A>(), <A HREF="../Draw/PetscDrawLG.html#PetscDrawLG">PetscDrawLG</A>, <A HREF="../Draw/PetscDrawSPCreate.html#PetscDrawSPCreate">PetscDrawSPCreate</A>(), <A HREF="../Draw/PetscDrawSP.html#PetscDrawSP">PetscDrawSP</A>,
<BR><A HREF="../Draw/PetscDrawHGSetNumberBins.html#PetscDrawHGSetNumberBins">PetscDrawHGSetNumberBins</A>(), <A HREF="../Draw/PetscDrawHGReset.html#PetscDrawHGReset">PetscDrawHGReset</A>(), <A HREF="../Draw/PetscDrawHGAddValue.html#PetscDrawHGAddValue">PetscDrawHGAddValue</A>(), <A HREF="../Draw/PetscDrawHGDraw.html#PetscDrawHGDraw">PetscDrawHGDraw</A>(), <A HREF="../Draw/PetscDrawHGSave.html#PetscDrawHGSave">PetscDrawHGSave</A>(), <A HREF="../Draw/PetscDrawHGView.html#PetscDrawHGView">PetscDrawHGView</A>(), <A HREF="../Draw/PetscDrawHGSetColor.html#PetscDrawHGSetColor">PetscDrawHGSetColor</A>(),
<A HREF="../Draw/PetscDrawHGSetLimits.html#PetscDrawHGSetLimits">PetscDrawHGSetLimits</A>(), <A HREF="../Draw/PetscDrawHGCalcStats.html#PetscDrawHGCalcStats">PetscDrawHGCalcStats</A>(), <A HREF="../Draw/PetscDrawHGIntegerBins.html#PetscDrawHGIntegerBins">PetscDrawHGIntegerBins</A>(), <A HREF="../Draw/PetscDrawHGGetAxis.html#PetscDrawHGGetAxis">PetscDrawHGGetAxis</A>(), <A HREF="../Draw/PetscDrawAxis.html#PetscDrawAxis">PetscDrawAxis</A>, <A HREF="../Draw/PetscDrawHGGetDraw.html#PetscDrawHGGetDraw">PetscDrawHGGetDraw</A>()
<P>
<P><B></B><H3><FONT COLOR="#CC3333">Level</FONT></H3>intermediate<BR>
<H3><FONT COLOR="#CC3333">Location</FONT></H3>
</B><A HREF="../../../src/sys/classes/draw/utils/hists.c.html#PetscDrawHGCreate">src/sys/classes/draw/utils/hists.c</A>
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