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plot: add #:out-file to docs; depend on racket/snip instead of mred

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This commit is contained in:
Matthew Flatt 2011-01-17 07:44:19 -07:00
parent 07a7916142
commit f76a71066e
2 changed files with 10 additions and 3 deletions
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9
collects/plot/plot.scrbl
View File

@ -274,14 +274,19 @@ viewed in the DrRacket interactions window.
[#:title title string? ""]
[#:fgcolor fgcolor (list/c byte? byte? byte) '(0 0 0)]
[#:bgcolor bgcolor (list/c byte? byte? byte) '(255 255 255)]
[#:lncolor lncolor (list/c byte? byte? byte) '(255 0 0)])
[#:lncolor lncolor (list/c byte? byte? byte) '(255 0 0)]
[#:out-file out-file (or/c path-string? output-port? #f) #f])
(is-a?/c snip%)]{
Plots @scheme[data] in 2-D, where @scheme[data] is generated by
functions like @scheme[points] or @scheme[lines].
A @scheme[data] value is represented as a procedure that takes a
@scheme[2d-view%] instance and adds plot information to it.}
@scheme[2d-view%] instance and adds plot information to it.
The result is a @racket[snip%] for the plot. If an @racket[#:out-file]
path or port is provided, the plot is also written as a PNG image to
the given path or port.}
@defproc[(plot3d [data ((is-a?/c 3d-view%) . -> . void?)]
[#:width width real? 400]

4
collects/plot/view.rkt
View File

@ -1,5 +1,7 @@
(module view mzscheme
(require plot/plplot plot/math mzlib/class mzlib/file mred mzlib/math)
(require plot/plplot plot/math mzlib/class mzlib/file
racket/draw racket/snip
mzlib/math)
;; including suggested fix from Doug Williams