50 lines
1.8 KiB
Scheme
Executable File
50 lines
1.8 KiB
Scheme
Executable File
#!/usr/bin/scheme -q
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(define (get-random-nodes start stop)
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(let [(x (- (random 10.0) 5)) (y (- (random 5.0) 2.5))]
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(cond
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((= start stop) '())
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((< (sqrt (+ (* x x) (* y y))) 1.5) (get-random-nodes start stop))
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(#t (cons (list start x y) (get-random-nodes (+ start 1) stop))))))
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(define (print-node node type)
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(let [(id (car node)) (x (cadr node)) (y (caddr node))]
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(format #t "\\node (~a) at (~a, ~a) {\\~a};~%" id x y type)))
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(define (print-nodes nodes type)
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(map (lambda (node) (print-node node type)) nodes))
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(define (select-nodes nodes start stop)
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(filter (lambda (node) (and (>= (car node) start) (< (car node) stop))) nodes))
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(define-syntax only
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(syntax-rules ()
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[(_ count body ...)
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(begin
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(format #t "\\only<~a> {~%" count)
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body ...
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(format #t "}~%"))]))
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(let*
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[(starting-nodes (get-random-nodes 0 100))
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(still-healthy (select-nodes starting-nodes 0 80))
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(broken (select-nodes starting-nodes 80 100))
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(new (get-random-nodes 100 120))]
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(format #t "\\clip (-5.5, 3) rectangle (5.5, -3.5);")
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(format #t "\\node (origin) at (0, 0) {\\compmailr};~%")
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(print-nodes still-healthy "compmailr")
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(print-nodes broken "compbrok")
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(print-nodes new "compnew")
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(map (lambda (node) (format #t "\\draw[->, black!60!green] (origin.center) edge (~a.center);~%" (car node))) starting-nodes)
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(print-nodes still-healthy "compmailr")
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(print-nodes broken "compbrok")
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(print-nodes new "compnew")
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(format #t "\\node (fail1) at (-2.9, -3.3) {\\includegraphics[scale=0.3]{img/fail.png} BANDWIDTH};")
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(format #t "\\node (fail2) at (0, -3.3) {\\includegraphics[scale=0.3]{img/fail.png} COVERAGE};")
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(format #t "\\node (fail3) at (2.4, -3.3) {\\includegraphics[scale=0.3]{img/fail.png} DELAY};"))
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(format #t "\\node (origin) at (0, 0) {\\compmailr};~%")
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(exit)
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