I can replicate the original problem (Racket 5.3.6 32-bit on Win7 64-bit). The new plot has problems also - see attached.
Kieron. On Fri, Apr 25, 2014 at 4:39 PM, Neil Toronto <neil.toro...@gmail.com>wrote: > I can't replicate this problem on my machine, so I'll need more > information. Can you run the following program and reply with what you see? > > > #lang racket > > (require racket/draw plot) > > (plot (function sin #e1e-157 #e1e-156)) > > (define bm (make-bitmap 400 400)) > (define dc (make-object bitmap-dc% bm)) > (send dc set-smoothing 'smoothed) > (send dc set-scale 2 2) > (send dc set-font (make-font #:size (plot-font-size) > #:family (plot-font-family) > #:size-in-pixels? #t)) > (send dc get-text-extent "X (⇑∘C)" #f #t 0) > (send dc draw-text "X (⇑∘C)" 80 180 #t 0 0) > (send dc get-text-extent "Y (∘C)" #f #t 0) > (send dc draw-text "Y (∘C)" 10 120 #t 0 (/ pi 2)) > (send dc draw-ellipse 30 30 140 140) > bm > > > It should produce a simple plot with tick labels on both axes with the > superscripted exponent "-157", a collection of numbers that looks something > like this: > > 110.0 > 13.5 > 3.0 > 0.0 > 34.0 > 13.5 > 3.0 > 0.0 > > and a bitmap with a circle and the X and Y axis labels you expect, with > approximately the placement and orientation you expect them on a plot > (though bigger). > > Neil ⊥ > > On 04/25/2014 03:39 PM, Deren Dohoda wrote: > >> Short story: put a \circ in the y-label and plotting fails? >> >> Racket 6.0 32-bit on 64-bit Windows 7. Using DrRacket. The plot frame is >> generated, the plot title and x-label appear, the tick marks on the axes >> appear, but the y-label doesn't appear and neither (points ...) nor >> (function ...) appear. >> >> Example code (hopefully the extra characters come through email >> correctly): >> >> #lang racket >> (require plot) >> >> (define (make-p title y-label) >> (plot (function (λ(x) x)) >> #:x-min 0 #:x-max 50 >> #:y-min 0 #:y-max 50 >> #:x-label "X (⇑∘C)" >> #:y-label y-label >> #:title title)) >> >> (define-values (works doesnt-work) >> (values (make-p "Works (⇓∘C)" "Y (C)") >> (make-p "Doesn't Work (⇓∘C)" "Y (∘C)"))) >> >> works >> doesnt-work >> ;;;;;;;;;;;;;;;;;;;;; >> >> >> It's not just arbitrary character substitutions, for instance all the >> \left|right|up|downarrow don't cause any problems, but >> \Down|Up|etc.arrow causes the same problem as \circ. I threw some in the >> title and x-label to show that they didn't cause any failures. I've >> attached an image of what appears in case it helps. >> >> Deren >> >> >> ____________________ >> Racket Users list: >> http://lists.racket-lang.org/users >> >> > ____________________ > Racket Users list: > http://lists.racket-lang.org/users >
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