Thanks Alex, that does the trick.
On Saturday, October 15, 2016 at 12:58:28 AM UTC-4, Alex Harsanyi wrote:
> You could try using a point-label or a function-label with a point size of 0,
> like this:
>
> (plot (list (function-interval sin (lambda (x) 0))
> (function-label (lambda (x) (* (sin x) 0.2)) -1.8 "sin(x)"
> #:point-size 0))
> #:x-min -2 #:x-max 2)
>
> Alex.
>
> On Saturday, October 15, 2016 at 10:29:07 AM UTC+8, Marc Kaufmann wrote:
> > Hi all,
> >
> > I am creating some graphs where I want to label various regions as region
> > A, B, C, and so on. Currently I am doing this by coloring the regions
> > differently and having the labels in legend:
> >
> > (plot-file
> > (list
> > (axes)
> > (function-interval (lambda (x) 0) MD 0 E_x #:label "F")
> > (function-interval
> > (lambda (x) (MD E_x))
> > (lambda (x) 0)
> > e_x E_x
> > #:color 4 #:line1-color 4 #:line2-color 4
> > #:label "G"))
> > "graph-proof-which-task-completed-2.pdf"
> > #:x-label "Instantaneous effort"
> > #:y-label "Marginal Disutility")
> >
> > This becomes problematic with multiple regions since it is hard to
> > distinguish the colors (or line styles). Is there a way to place a label
> > "A" in the region "A"?
> >
> > Thanks,
> >
> > Marc

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