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Created Gnuplot color help.

    1: \label{Authoring_Dynamic_Plot_Gnuplot}
    2: 
    3: The \textbf{gnuplot} tag allows an author to design a plot which is created
    4: when it is viewed.  This is intended for use in homework problems
    5: where each student needs to see a distinct plot.  It can be used in
    6: conjunction with a \textbf{script} tag to generate random plots.
    7: 
    8: The following parameters may be set:
    9: 
   10: \begin{itemize}
   11: \item \texttt{brief description of the plot} 
   12: This text is used as the \texttt{alt} parameter of the \texttt{img} tag 
   13: used to embed the plot.
   14: 
   15: \item \texttt{background color of image (xffffff)}
   16: See the section on color selection \ref{Authoring_Dynamic_Plot_Color_Selection}
   17: for help on specifying colors.
   18: 
   19: \item \texttt{foreground color of image (x000000)} 
   20: See the section on color selection \ref{Authoring_Dynamic_Plot_Color_Selection}
   21: for help on specifying colors.
   22: 
   23: \item \texttt{height of image (pixels)}
   24: 
   25: \item \texttt{width of image (pixels)}
   26: 
   27: \item \texttt{Size of font to use} ``small'', ``medium'', or ``large''.  
   28: The font used for any text on the plot is set with this tag.
   29: 
   30: \item \texttt{Transparent image} ``Yes'' or ``No''.  
   31: If the image is transparent the background color will be ignored.
   32: 
   33: \item \texttt{Display grid} ``Yes'' or ``No''.  
   34: 
   35: \item \texttt{Number of samples for non-data plots}  If a \textbf{function} 
   36: \ref{Authoring_Dynamic_Plot_Curve_Function} tag is used to specify the
   37: \textbf{curve} \ref{Authoring_Dynamic_Plot_Curve}, this indicates the number
   38: of sample points to use.
   39: 
   40: \item \texttt{Draw border around plot} ``Yes'' or ``No''
   41: 
   42: \item \texttt{alignment for image in html} ``Left'', ``Center'', or ``Right''.
   43: This is the value used for the \texttt{align} parameter in the \texttt{img} 
   44: tag which embeds the plot in the problem.
   45: 
   46: \item \texttt{Width of plot when printed (mm)} The width in mm of the plot when
   47: it is printed.  The default is approximately one half of a U.S. letter size 
   48: page, 93 mm.
   49: 
   50: \item \texttt{Font size to use in TeX output (pts)} The size in points of text
   51: on the graph when it is printed out.
   52: 
   53: \item \texttt{Plot type} ``Cartesian'' or ``Polar''.  
   54: 
   55: \item \texttt{margin width (pts)} The left, right, top, or bottom margin width
   56: measured in points.
   57: 
   58: \item \texttt{Size of major tic marks} The size of the larger tic marks on the
   59: plot border or axes, measured in graph units.
   60: 
   61: \item \texttt{Size of minor tic marks} The size of the smaller tic marks on the
   62: plot border or axes, measured in graph units.
   63: 
   64: \end{itemize}
   65: 
   66: The \textbf{gnuplot} tag allows the use of the the following tags:
   67: 
   68: \begin{itemize}
   69: \item \textbf{curve} \ref{Authoring_Dynamic_Plot_Curve}
   70: \item \textbf{key}   \ref{Authoring_Dynamic_Plot_Key}
   71: \item \textbf{label} \ref{Authoring_Dynamic_Plot_Label}
   72: \item \textbf{axes}  \ref{Authoring_Dynamic_Plot_Axes}
   73: \item \textbf{tics}  \ref{Authoring_Dynamic_Plot_Tics}
   74: \item \textbf{title}, \textbf{xlabel}, and \textbf{ylabel} 
   75:       \ref{Authoring_Dynamic_Plot_Title_X_Y_Label}
   76: \end{itemize}
   77: