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- (set! *load-path* (cons ".." *load-path*))
- (require "blt")
-
-
- (define global list) ;; Kludge
-
-
- (option 'add "*Blt_htext.Font" "*Times-Bold-R*14*")
- (option 'add "*graph.xTitle" "X Axis Label")
- (option 'add "*graph.yTitle" "Y Axis Label")
- (option 'add "*graph.title" "A Simple XY Graph")
- (option 'add "*graph.elemBackground" "red")
-
- (let ((visual (winfo 'screenvisual *root*)))
- (unless (or (eq? visual 'staticgray) (eq? visual 'grayscale))
- (option 'add "*print.background" "yellow")
- (option 'add "*quit.background" "red")))
-
- ;;;;
- ;;;; Header hypertext
- ;;;;
- (blt_htext '.header :text "This is an example of the blt_graph widget.
- It displays two-variable data with assorted line attributes and symbols.
- The graph itself has many components; x and y axis, legend, crosshairs,
- elements, etc.
-
- To create a postscript file \"xy.ps\", press the %%BEGIN
- (button '.header.print :text \"Print\"
- :command '(.graph 'postscript \"xy.ps\"
- :pagewidth '6.5i
- :pageheight '9i
- :landscape #t))
- (.header 'append .header.print)
- %% button.")
-
-
- ;;;;"
- ;;;; The graph
- ;;;;
- (blt_graph '.graph)
-
-
- ;;;;
- ;;;; Footer hypertext
- ;;;;
- (blt_htext '.footer :text "Hit the %%BEGIN
- (button '.footer.quit :text \"quit\" :command '(destroy *root*))
- (.footer 'append .footer.quit)
- %% button when you've seen enough.%%BEGIN
- (label '.footer.logo :bitmap '|BLT|)
- (.footer 'append .footer.logo :padx 20)
- %%")
-
- ;;;;"
- ;;;; Data
- ;;;;
- (let ((X "2.00000e-01 4.00000e-01 6.00000e-01 8.00000e-01 1.00000e+00
- 1.20000e+00 1.40000e+00 1.60000e+00 1.80000e+00 2.00000e+00
- 2.20000e+00 2.40000e+00 2.60000e+00 2.80000e+00 3.00000e+00
- 3.20000e+00 3.40000e+00 3.60000e+00 3.80000e+00 4.00000e+00
- 4.20000e+00 4.40000e+00 4.60000e+00 4.80000e+00 5.00000e+00")
- (Y1 "1.14471e+01 2.09373e+01 2.84608e+01 3.40080e+01 3.75691e+01
- 3.91345e+01 3.92706e+01 3.93474e+01 3.94242e+01 3.95010e+01
- 3.95778e+01 3.96545e+01 3.97313e+01 3.98081e+01 3.98849e+01
- 3.99617e+01 4.00384e+01 4.01152e+01 4.01920e+01 4.02688e+01
- 4.03455e+01 4.04223e+01 4.04990e+01 4.05758e+01 4.06526e+01")
- (Y2 "2.61825e+01 5.04696e+01 7.28517e+01 9.33192e+01 1.11863e+02
- 1.28473e+02 1.43140e+02 1.55854e+02 1.66606e+02 1.75386e+02
- 1.82185e+02 1.86994e+02 1.89802e+02 1.90683e+02 1.91047e+02
- 1.91411e+02 1.91775e+02 1.92139e+02 1.92503e+02 1.92867e+02
- 1.93231e+02 1.93595e+02 1.93958e+02 1.94322e+02 1.94686e+02")
- (Y3 "4.07008e+01 7.95658e+01 1.16585e+02 1.51750e+02 1.85051e+02
- 2.16479e+02 2.46024e+02 2.73676e+02 2.99427e+02 3.23267e+02
- 3.45187e+02 3.65177e+02 3.83228e+02 3.99331e+02 4.13476e+02
- 4.25655e+02 4.35856e+02 4.44073e+02 4.50294e+02 4.54512e+02
- 4.56716e+02 4.57596e+02 4.58448e+02 4.59299e+02 4.60151e+02"))
-
- (.graph 'element 'create 'line1 :xdata X :ydata Y1 :symbol 'cross :linewidth 1)
- (.graph 'element 'create 'line2 :xdata X :ydata Y2 :symbol 'square :linewidth 1)
- (.graph 'element 'create 'line3 :xdata X :ydata Y3 :symbol 'plus :linewidth 1))
-
- (pack .header .graph .footer :padx 20 :pady 20)
-
-