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Updated to take care of bone-headedness.

\label{Authoring_Dynamic_Plot_Tics}

The \textbf{xtics} and \textbf{ytics} tags can be inserted by selecting 
the \textbf{Plot tics} item from the insert selection list of the 
\textbf{gnuplot} tag.

The \textbf{xtics} and \textbf{ytics} tags have identical structure and the
description presented here applies to both.

The tics tags allow specification of the following parameters:

\begin{itemize}

\item \texttt{Location of major tic marks}
``Border'' or ``Axis''.
Tic marks can be placed on the border or on the axes.  The images below
illustrate the effects of each of these options.

\includegraphics[  width=0.80\paperwidth]{Authoring_Dynamic_Plot_Axis_Tics_border}
\includegraphics[  width=0.80\paperwidth]{Authoring_Dynamic_Plot_Axis_Tics_x_axis}

\item \texttt{Mirror tics on opposite axis?}
``Yes'' or ``No''.
If the \textbf{location of tic marks} is set to ``border'' this parameter 
determines if they are shown on both the top and bottom or right and left 
sides of the graph.  The ``mirror'' tic marks are unlabelled.

\includegraphics[  width=0.80\paperwidth]{Authoring_Dynamic_Plot_Axis_Tics_border}
\includegraphics[  width=0.80\paperwidth]{Authoring_Dynamic_Plot_Axis_Tics_nomirror}

\item \texttt{Start major tics at}

The point in graph coordinates which to start making major tics.  
This may be less than or greater than the lower limit for the axis.

\item \texttt{Place a major tic every}

The span, in graph coordinates, between each major tic mark.

\item \texttt{Stop major tics at}

This may be less than or greater than the upper limit for the axis.

\item \texttt{Number of minor tics between major tic marks}

The number of subdivisions to make of the span between major tic marks.
Using a value of ``10'' leads to 9 minor tic marks.  The example below
uses a value of ``5'' to produce 4 tic marks.

\includegraphics[  width=0.80\paperwidth]{Authoring_Dynamic_Plot_Axis_Tics_minor}

\end{itemize}