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(vals (map (lambda (x)(vector-ref x 2)) dat)))
(if (not (null? vals))
(let* ((maxval (apply max vals))
(minval (min 0 (apply min vals)))
(yoff (- minval lly)) ;; minval))
(deltaval (- maxval minval))
(yscale (/ delta-y (if (zero? deltaval) 1 deltaval)))
(yfunc (lambda (y)(+ lly (* yscale (- y minval)))))) ;; (lambda (y)(* (+ y yoff) yscale))))
;; (print (car cf) "; maxval: " maxval " minval: " minval " deltaval: " deltaval " yscale: " yscale)
(vg:add-obj-to-comp
cmp
(vg:make-text-obj (- llx 10)(yfunc maxval) (conc maxval)))
(vg:add-obj-to-comp
cmp
(vg:make-text-obj (- llx 10)(yfunc minval) (conc minval)))
(fold
(lambda (next prev) ;; #(time ? val) #(time ? val)
(if prev
(let* ((yval (vector-ref prev 2))
(yval-next (vector-ref next 2))
(last-tval (tfn (vector-ref prev 0)))
(last-yval (yfunc yval)) ;; (+ lly (* yscale (vector-ref prev 2))))
(next-yval (yfunc yval-next))
(curr-tval (tfn (vector-ref next 0))))
(if (>= curr-tval last-tval)
(begin
(vg:add-obj-to-comp
cmp
;;(vg:make-rect-obj last-tval lly curr-tval last-yval ;; (- stval 2) lly (+ stval 2)(+ lly (* yval yscale))
(vg:make-line-obj last-tval last-yval curr-tval last-yval
line-color: stdcolor))
(vg:add-obj-to-comp
cmp
;;(vg:make-rect-obj last-tval lly curr-tval last-yval ;; (- stval 2) lly (+ stval 2)(+ lly (* yval yscale))
(vg:make-line-obj curr-tval last-yval curr-tval next-yval
line-color: stdcolor)))
(print "ERROR: curr-tval is not > last-tval; curr-tval " curr-tval ", last-tval " last-tval))))
next)
;; for init create vector tstart,0
#f ;; (vector tstart minval minval)
dat)
;; (for-each
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(vals (map (lambda (x)(vector-ref x 2)) dat)))
(if (not (null? vals))
(let* ((maxval (apply max vals))
(minval (min 0 (apply min vals)))
(yoff (- minval lly)) ;; minval))
(deltaval (- maxval minval))
(yscale (/ delta-y (if (zero? deltaval) 1 deltaval)))
(yfunc (lambda (y)(+ lly (* yscale (- y minval))))) ;; (lambda (y)(* (+ y yoff) yscale))))
(graph-color (vg:generate-color)))
;; (print (car cf) "; maxval: " maxval " minval: " minval " deltaval: " deltaval " yscale: " yscale)
(vg:add-obj-to-comp
cmp
(vg:make-text-obj (- llx 10)(yfunc maxval) (conc maxval)))
(vg:add-obj-to-comp
cmp
(vg:make-text-obj (- llx 10)(yfunc minval) (conc minval)))
(fold
(lambda (next prev) ;; #(time ? val) #(time ? val)
(if prev
(let* ((yval (vector-ref prev 2))
(yval-next (vector-ref next 2))
(last-tval (tfn (vector-ref prev 0)))
(last-yval (yfunc yval)) ;; (+ lly (* yscale (vector-ref prev 2))))
(next-yval (yfunc yval-next))
(curr-tval (tfn (vector-ref next 0))))
(if (>= curr-tval last-tval)
(begin
(vg:add-obj-to-comp
cmp
;;(vg:make-rect-obj last-tval lly curr-tval last-yval ;; (- stval 2) lly (+ stval 2)(+ lly (* yval yscale))
(vg:make-line-obj last-tval last-yval curr-tval last-yval
line-color: graph-color))
(vg:add-obj-to-comp
cmp
;;(vg:make-rect-obj last-tval lly curr-tval last-yval ;; (- stval 2) lly (+ stval 2)(+ lly (* yval yscale))
(vg:make-line-obj curr-tval last-yval curr-tval next-yval
line-color: graph-color)))
(print "ERROR: curr-tval is not > last-tval; curr-tval " curr-tval ", last-tval " last-tval))))
next)
;; for init create vector tstart,0
#f ;; (vector tstart minval minval)
dat)
;; (for-each
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