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% short description of MD++ command
%  GnuPlotHistogram

Call gnuplot to plot the histogram of atom energy
i.e. {\tt EPOT\_IND}.
%
If {\tt plot\_color\_axis = 2} then the histogram of
{\tt TOPOL} is plotted instead.  {\tt TOPOL} stores the
computes the central symmetry deviation (CSD) parameters
computed by {\tt calcentralsymmetry}.
