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Authoring_Dynamic_Plot_Gnuplot.tex
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\label{Authoring_Dynamic_Plot_Gnuplot}
The \textbf{gnuplot} tag allows an author to design a plot which is created
when it is viewed. This is intended for use in homework problems
where each student needs to see a distinct plot. It can be used in
conjunction with a \textbf{script} tag to generate random plots.
The following parameters may be set:
\begin{itemize}
\item \texttt{brief description of the plot}
This text is used as the \texttt{alt} parameter of the \texttt{img} tag
used to embed the plot.
\item \texttt{background color of image (xffffff)}
See the section on color selection \ref{Authoring_Dynamic_Plot_Color_Selection}
for help on specifying colors.
\item \texttt{foreground color of image (x000000)}
See the section on color selection \ref{Authoring_Dynamic_Plot_Color_Selection}
for help on specifying colors.
\item \texttt{height of image (pixels)}
\item \texttt{width of image (pixels)}
\item \texttt{Size of font to use} ``small'', ``medium'', or ``large''.
The font used for any text on the plot is set with this tag.
\item \texttt{Transparent image} ``Yes'' or ``No''.
If the image is transparent the background color will be ignored.
\item \texttt{Display grid} ``Yes'' or ``No''.
\item \texttt{Number of samples for non-data plots} If a \textbf{function}
\ref{Authoring_Dynamic_Plot_Curve_Function} tag is used to specify the
\textbf{curve} \ref{Authoring_Dynamic_Plot_Curve}, this indicates the number
of sample points to use.
\item \texttt{Draw border around plot} ``Yes'' or ``No''
\item \texttt{alignment for image in html} ``Left'', ``Center'', or ``Right''.
This is the value used for the \texttt{align} parameter in the \texttt{img}
tag which embeds the plot in the problem.
\item \texttt{Width of plot when printed (mm)} The width in mm of the plot when
it is printed. The default is approximately one half of a U.S. letter size
page, 93 mm.
\item \texttt{Font size to use in TeX output (pts)} The size in points of text
on the graph when it is printed out.
\item \texttt{Plot type:} ``Cartesian'' or ``Polar''.
\end{itemize}
The \textbf{gnuplot} tag allows the use of the the following tags:
\begin{itemize}
\item \textbf{curve} \ref{Authoring_Dynamic_Plot_Curve}
\item \textbf{key} \ref{Authoring_Dynamic_Plot_Key}
\item \textbf{label} \ref{Authoring_Dynamic_Plot_Label}
\item \textbf{axes} \ref{Authoring_Dynamic_Plot_Axes}
\item \textbf{tics} \ref{Authoring_Dynamic_Plot_Tics}
\item \textbf{title}, \textbf{xlabel}, and \textbf{ylabel}
\ref{Authoring_Dynamic_Plot_Title_X_Y_Label}
\end{itemize}
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