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1.1       matthew     1: \label{Authoring_Dynamic_Plot_Tics}
                      2: 
                      3: The \textbf{xtics} and \textbf{ytics} tags can be inserted by selecting 
                      4: the \textbf{Plot tics} item from the insert selection list of the 
                      5: \textbf{gnuplot} tag.
                      6: 
                      7: The \textbf{xtics} and \textbf{ytics} tags have identical structure and the
                      8: description presented here applies to both.
                      9: 
1.4     ! foxr       10: The tics tags allow specification of the following attributes:
1.1       matthew    11: 
                     12: \begin{itemize}
                     13: 
                     14: \item \texttt{Location of major tic marks}
1.2       matthew    15: ``Border'' or ``Axis''.
1.1       matthew    16: Tic marks can be placed on the border or on the axes.  The images below
                     17: illustrate the effects of each of these options.
                     18: 
1.3       matthew    19: \includegraphics[  width=0.40\paperwidth]{Authoring_Dynamic_Plot_Axis_Tics_border}
                     20: \includegraphics[  width=0.40\paperwidth]{Authoring_Dynamic_Plot_Axis_Tics_x_axis}
1.1       matthew    21: 
                     22: \item \texttt{Mirror tics on opposite axis?}
                     23: ``Yes'' or ``No''.
                     24: If the \textbf{location of tic marks} is set to ``border'' this parameter 
                     25: determines if they are shown on both the top and bottom or right and left 
                     26: sides of the graph.  The ``mirror'' tic marks are unlabelled.
                     27: 
1.3       matthew    28: \includegraphics[  width=0.40\paperwidth]{Authoring_Dynamic_Plot_Axis_Tics_border}
                     29: \includegraphics[  width=0.40\paperwidth]{Authoring_Dynamic_Plot_Axis_Tics_nomirror}
1.1       matthew    30: 
                     31: \item \texttt{Start major tics at}
                     32: 
                     33: The point in graph coordinates which to start making major tics.  
                     34: This may be less than or greater than the lower limit for the axis.
                     35: 
                     36: \item \texttt{Place a major tic every}
                     37: 
                     38: The span, in graph coordinates, between each major tic mark.
                     39: 
                     40: \item \texttt{Stop major tics at}
                     41: 
                     42: This may be less than or greater than the upper limit for the axis.
                     43: 
                     44: \item \texttt{Number of minor tics between major tic marks}
                     45: 
                     46: The number of subdivisions to make of the span between major tic marks.
                     47: Using a value of ``10'' leads to 9 minor tic marks.  The example below
                     48: uses a value of ``5'' to produce 4 tic marks.
                     49: 
1.3       matthew    50: \includegraphics[  width=0.40\paperwidth]{Authoring_Dynamic_Plot_Axis_Tics_minor}
1.1       matthew    51: 
1.4     ! foxr       52: 
        !            53: \item \texttt{rotate}
        !            54: 
        !            55: For output devices that support it, the \texttt{rotate=`1'} attribute rotates
        !            56: the tic label.  This is most useful with large lables defined by the
        !            57: \textbf{tic} tag described below.
        !            58: 
1.1       matthew    59: \end{itemize}
1.4     ! foxr       60: 
        !            61: In addition to specifying regular tic intervals via the attributes of the
        !            62: \textbf{xtics} and \textbf{ytics} you can specify arbitrary tic locations
        !            63: by enclosing \textbf{tic} tags within the body of these tags.  Each
        !            64: \textbf{tic} tag requires the \textbf{location} attribute which specifies the
        !            65: location of a tic on the axis.  The body of the tag contains the label of
        !            66: that tic.
        !            67: 
        !            68: The \textbf{xtic} or \textbf{ytic}  \texttt{rotate} attribute can rotate
        !            69: the label text if the output device supports text rotation.
        !            70: If \textbf{tic} tags are embedded within the \textbf{xtic} or \textbf{ytic}
        !            71: tags attributes of those tags that specify tic boundaries and interval are
        !            72: ignored.  Here's an example of an X axis tic specification in months of the year:
        !            73: 
        !            74: \begin{verbatim}
        !            75: ...
        !            76: <xtics rotate='on'>
        !            77:    <tic location='1'>January</tic>
        !            78:    <tic location='2'>February</tic>
        !            79:    <tic location='3'>March</tic>
        !            80:    <tic location='4'>April</tic>
        !            81:    <tic location='5'>May</tic>
        !            82:    <tic location='6'>June</tic>
        !            83:    <tic location='7'>July</tic>
        !            84:    <tic location='8'>August</tic>
        !            85:    <tic location='9'>September</tic>
        !            86:    <tic location='10'>October</tic>
        !            87:    <tic location='11'>November</tic>
        !            88:    <tic location='12'>December</tic>
        !            89: </xtics>
        !            90: <ytics end="6.0" location="border" start="-6.0" 
        !            91:        increment="1.0" mirror="on" />
        !            92: \end{verbatim}
        !            93: 
        !            94: Note that tic locations are completely under your control and do not even have
        !            95: to be at regular interevals on the axis if that better suits your needs.