legend_data

           Draws/writes data/line information in legend in plot window.

           cafe

           legend

           legend, data"["[,type=type    ]
                          [,panel=panel  ]
                          [,num=num      ]
                          [,str=str      ]
                          [,plotwidth=plotwidth ]
                          [,xlist=xlist  ]
                          [,ylist=ylist  ]
                          [,margin=margin]
                        "]"

           type - Data type to show. This corresponds essentially to
                  the plot type(s) used for the plot.

                   > legend,data[type=data]+data[type=model]
                   -> Display data/model information only.
           panel- The panel to show only.
           num  - Select only the legend entry with given number
                  (integer). This input allows to build manually a
                  data list with given points.
           str  - Apply the string "str" to all selected data
                  entries. Should be used in conjunction with num to
                  select a single data entry (if not only one is
                  given).
      plotwidth - Define width of data point item to plot. This is given
                  in normal units (ranging from 0..1 for full
                  screen). Default is 0.02.
          xlist - Vector of data point item x-values. The list should
                  contain x-values for points ranging from 0..1 (the
                  plotwidth). The number of entries must be the same
                  as in ylist.
                  Default are 3 points:[0,0.5,1]
          ylist - Vector of data point item y-values. The list should
                  contain y-values for points ranging from -0.5 .. 0.5. The
                  number of entries must be the same as in xlist.
                  Default are 3 points:[0,0,0] (equal y value).
         margin - Space between plot item and left border/right
                  text in units of Plotwidth. Default is 0.5.

           The options "plotwidth", "xlist", ylist" and "margin" may
           be set with the "set" command. The command prefix is
           "legend_data".

           For each plot type used a legend entry will be drawn in
           respect of line color, style and point symbols.

           Changes plot window.

               > fit
               > plot, data+model
               > legend, data
               -> creates legend with two entries - the data and the model.

           $Id: cafe_legend_data.pro,v 1.4 2003/12/09 13:07:21 goehler Exp $

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