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CGZPLOT

CGZPLOT
  This program creates a "zoomable" line plot in an interactive window. The user can
  zoom into or out of the plot. Once a plot is zoomed, the user can then pan the plot
  in both the X and Y directions. See the operating instructions for how to interact
  with the line plot.
 

Params


    x: in, required, type=any
        If X is provided without Y, a vector representing the dependent values to be
        plotted If both X and Y are provided, X is the independent parameter and
        Y is the dependent parameter to be plotted.
    y: in, optional, type=any
        A vector representing the dependent values to be plotted.
       

Keywords


    label: in, optional, type=string
        A label is similar to a plot title, but it is aligned to the left edge
        of the plot and is written in hardware fonts. Use of the label keyword
        will suppress the plot title.
    legends: in, optional, type=object
        A single cgLegendItem object, or an array of cgLegendItem objects that will be
        drawn on the plot as a legend.
    object: out, optional, type=objref
        The object reference to the underlying object.
    oplots: in, optional, type=object
        A single cgOverPlot object, or an array of cgOverPlot objects that will be
        overplot on the axes set up by the original data.
    parent: in, optional, type=long
        The identifer of the parent widget for this program's draw widget. If not
        provided, the program will create it's own top-level base widget as the parent widget.
    xsize: in, optional, type=int, default=640
        The X size of the program's draw widget.
    ysize: in, optional, type=int, default=512
        The Y size of the program's draw widget.
    zoomfactor: in, optional, type=float
        Set this keyword to a number between 0.01 and 0.25. This affects the amount
        of zooming when the X axis and Y axis are zoomed with the LEFT mouse button.
        The default value is 0.05 or five percent of the current axis range on each
        end of the axis, resulting in a 10 percent change in the axis length.
    _ref_extra: in, optional, type=any
        Any keyword appropriate for the IDL Plot or Coyote Graphic cgPlot command is
        allowed in the program.
       

Author


    FANNING SOFTWARE CONSULTING::
      David W. Fanning
      1645 Sheely Drive
      Fort Collins, CO 80526 USA
      Phone: 970-221-0438
      E-mail: david@idlcoyote.com
      Coyote's Guide to IDL Programming: http://www.idlcoyote.com

Copyright


    Copyright (c) 2012, Fanning Software Consulting, Inc.
   

History


    Change History::
        Separated the object code (cgZPlot__Define) from this driver code for easier inheritance. 14 June 2012. DWF.
        Added LABEL keyword. 12 July 2012. DWF.



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