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Re: cgGallery with function graphics [message #87789 is a reply to message #87787] Thu, 27 February 2014 06:48 Go to previous messageGo to previous message
Matthew Argall is currently offline  Matthew Argall
Messages: 286
Registered: October 2011
Senior Member
Line Plot With Legend
http://www.idlcoyote.com/gallery/plot_with_legend.png

; Set up variables for the plot. Normally, these values would be
; passed into the program as positional and keyword parameters.
; Create two random vectors.
data_1 = cgDemoData(17)
data_2 = cgDemoData(17)

; Calculate the data range, so you can create a plot with room at the top
; of the plot for the legend.
maxData = Max(data_1) > Max(data_2)
minData = Min(data_1) > Min(data_2)
dataRange = maxData - minData
yrange = [MinData, maxData + (dataRange*0.25)]

; Legend Properties
items = ['Experiment 1', 'Experiment 2']
psyms = [-15, -16]
colors = ['red7', 'blu7']

;Plot the data
ngPlot = Plot(data_1, Symbol='Circle', /Sym_Filled, Color='Red', YRange=yrange, YStyle=1, $
XTitle='Time', YTitle='Signal', Name='Experiment 1')
ngOPlot = Plot(data_2, Symbol='Square', /Sym_Filled, Color='Blue', Overplot=ngPlot, $
Name='Experiment 2')
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