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1.1     ! matthew     1: \label{Authoring_Dynamic_Plot_Linestyle}
        !             2: 
        !             3: Unless otherwise noted the linestyles require only 2 data sets, X and Y.
        !             4: 
        !             5: \begin{itemize}
        !             6: 
        !             7: \item \textbf{lines} Connect adjacent points with straight line segments.
        !             8: 
        !             9: \item \textbf{points} Display a small marker at each point.  
        !            10: 
        !            11: \item \textbf{linespoints} Draw both \textbf{lines} and \textbf{points}.
        !            12: 
        !            13: Draws a small symbol at each point and then connects adjacent points with 
        !            14: straight line segments.
        !            15: 
        !            16: \item \textbf{dots} Place a tiny dots on the given points.
        !            17: 
        !            18: \item \textbf{steps} Connect points with horizontal lines.
        !            19: 
        !            20: This style connects consecutive
        !            21: points with two line segments: the first from (x1,y1) to (x2,y1) and the
        !            22: second from (x2,y1) to (x2,y2).
        !            23: 
        !            24: \item \textbf{fsteps} Connect data with horizontal lines.
        !            25: 
        !            26: This style connects consecutive
        !            27: points with two line segments: the first from (x1,y1) to (x1,y2) and the
        !            28: second from (x1,y2) to (x2,y2).
        !            29: 
        !            30: \item \textbf{histeps} Plot as histogram.
        !            31: 
        !            32: Y-values are assumed to be centered at the x-values;
        !            33: the point at x1 is represented as a horizontal line from ((x0+x1)/2,y1) to
        !            34: ((x1+x2)/2,y1).  The lines representing the end points are extended so that
        !            35: the step is centered on at x.  Adjacent points are connected by a vertical
        !            36: line at their average x, that is, from ((x1+x2)/2,y1) to ((x1+x2)/2,y2).
        !            37: 
        !            38: \item \textbf{errorbars} Same as yerrorbars.
        !            39: 
        !            40: \item \textbf{xerrorbars} Draw horizontal error bars around the points.  
        !            41: 
        !            42: Requires 3 or 4 data sets.  Either X, Y, Xdelta or X, Y, Xlower, Xupper.
        !            43: Xdelta is a change relative to the given X value.  The Xlower and Xupper
        !            44: values are absolute grid coordinates of the upper and lower values to
        !            45: indicated with error bars.
        !            46: 
        !            47: \item \textbf{yerrorbars} Draw vertical error bars around the points.
        !            48: 
        !            49: Requires 3 or 4 data sets.  Either X, Y, Ydelta or X, Y, Ylower, Yupper.
        !            50: Ydelta is a change relative to the given Y value.  The Ylower and Yupper
        !            51: values are the grid coordinates of the upper and lower values to 
        !            52: indicate with error bars.
        !            53: 
        !            54: 
        !            55: \item \textbf{xyerrorbars} Draw both vertical and horizontal error bars 
        !            56: around the points.
        !            57: 
        !            58: Requires 4 or 6 data sets.  Either X, Y, Xdelta, Ydelta or
        !            59: X, Y, Xlower, Xupper, Ylower, Yupper.  Xdelta and Ydelta are relative to
        !            60: the given coordinates.  Xlower, Xupper, Ylower, and Yupper are the grid
        !            61: coordinates of the upper and lower values to indicate with the error bars.
        !            62: 
        !            63: \item \textbf{boxes} Draw a box from the X-axis to the Y-value given.  
        !            64: 
        !            65: Requires either 2 or
        !            66: 3 data sets.  Either X, Y or X, Y, Xwidth.  In the first case the boxes
        !            67: will be drawn next to eachother.  In the latter case Xwidth indicates the
        !            68: horizontal width of the box for the given coordinate.
        !            69: 
        !            70: \item \textbf{vector}  Draws a vector field based on the given data.
        !            71: 
        !            72: Requires 4 data sets, X, Y, Xdelta, and Ydelta.
        !            73: The `vector` style draws a vector from (X,Y) to (X+Xdelta,Y+Ydelta).  
        !            74: It also draws a small arrowhead at the end of the vector.  May not be
        !            75: fully supported by gnuplot.
        !            76: 
        !            77: \end{itemize}