racket/collects/plot/plot3d/plot.rkt
Neil Toronto 6b39863f1c Source reorg
Added non-rendering plot elements
Optimizations
2011-11-10 12:59:41 -07:00

305 lines
17 KiB
Racket

#lang racket/base
(require racket/draw racket/snip racket/match racket/list racket/class racket/contract
slideshow/pict
unstable/parameter-group
unstable/lazy-require
(for-syntax racket/base)
"../common/math.rkt"
"../common/file-type.rkt"
"../common/area.rkt"
"../common/contract.rkt"
"../common/contract-doc.rkt"
"../common/parameters.rkt"
"../common/deprecation-warning.rkt"
"../common/plot-element.rkt"
"../common/non-renderer.rkt"
"../common/utils.rkt"
"area.rkt")
;; Require lazily: without this, Racket complains while generating documentation:
;; cannot instantiate `racket/gui/base' a second time in the same process
(lazy-require ["snip.rkt" (make-3d-plot-snip)]
["../common/gui.rkt" (make-snip-frame)])
(provide plot3d/dc plot3d plot3d-bitmap plot3d-pict plot3d-snip plot3d-frame plot3d-file)
;; ===================================================================================================
;; Plot to a given device context
(defproc (plot3d/dc [renderer-tree (treeof (or/c renderer3d? non-renderer?))]
[dc (is-a?/c dc<%>)]
[x real?] [y real?] [width (>=/c 0)] [height (>=/c 0)]
[#:x-min x-min (or/c real? #f) #f] [#:x-max x-max (or/c real? #f) #f]
[#:y-min y-min (or/c real? #f) #f] [#:y-max y-max (or/c real? #f) #f]
[#:z-min z-min (or/c real? #f) #f] [#:z-max z-max (or/c real? #f) #f]
[#:angle angle real? (plot3d-angle)] [#:altitude altitude real? (plot3d-altitude)]
[#:title title (or/c string? #f) (plot-title)]
[#:x-label x-label (or/c string? #f) (plot-x-label)]
[#:y-label y-label (or/c string? #f) (plot-y-label)]
[#:z-label z-label (or/c string? #f) (plot-z-label)]
[#:legend-anchor legend-anchor anchor/c (plot-legend-anchor)]) void?
(define given-bounds-rect (vector (ivl x-min x-max) (ivl y-min y-max) (ivl z-min z-max)))
(define rs (for/list ([r (flatten (list renderer-tree))])
(match r
[(non-renderer bounds-rect bounds-fun ticks-fun)
(renderer3d bounds-rect bounds-fun ticks-fun #f)]
[_ r])))
(define plot-bounds-rect (bounds-fixpoint rs given-bounds-rect))
(when (or (not (rect-regular? plot-bounds-rect))
(rect-zero-area? plot-bounds-rect))
(match-define (vector (ivl x-min x-max) (ivl y-min y-max) (ivl z-min z-max)) plot-bounds-rect)
(error 'plot "~a; determined x ∈ [~e,~e], y ∈ [~e,~e], z ∈ [~e,~e]"
"could not determine sensible plot bounds" x-min x-max y-min y-max z-min z-max))
(define bounds-rect (rect-inexact->exact plot-bounds-rect))
(define-values (all-x-ticks all-x-far-ticks all-y-ticks all-y-far-ticks all-z-ticks all-z-far-ticks)
(for/lists (all-x-ticks
all-x-far-ticks
all-y-ticks
all-y-far-ticks
all-z-ticks
all-z-far-ticks) ([r (in-list rs)])
(define ticks-fun (plot-element-ticks-fun r))
(cond [ticks-fun (ticks-fun bounds-rect)]
[else (values empty empty empty empty empty empty)])))
(define x-ticks (remove-duplicates (append* all-x-ticks)))
(define y-ticks (remove-duplicates (append* all-y-ticks)))
(define z-ticks (remove-duplicates (append* all-z-ticks)))
(define x-far-ticks (remove-duplicates (append* all-x-far-ticks)))
(define y-far-ticks (remove-duplicates (append* all-y-far-ticks)))
(define z-far-ticks (remove-duplicates (append* all-z-far-ticks)))
(parameterize ([plot3d-angle angle]
[plot3d-altitude altitude]
[plot-title title]
[plot-x-label x-label]
[plot-y-label y-label]
[plot-z-label z-label]
[plot-legend-anchor legend-anchor])
(match-define (vector (ivl x-min x-max) (ivl y-min y-max) (ivl z-min z-max)) bounds-rect)
(define area (make-object 3d-plot-area%
x-ticks x-far-ticks y-ticks y-far-ticks z-ticks z-far-ticks
x-min x-max y-min y-max z-min z-max
dc x y width height))
(send area start-plot)
(define legend-entries
(flatten (for/list ([rend (in-list rs)])
(match-define (renderer3d rend-bounds-rect _bf _tf render-proc) rend)
(match-define (vector (ivl rx-min rx-max) (ivl ry-min ry-max) (ivl rz-min rz-max))
(if rend-bounds-rect rend-bounds-rect (empty-rect 3)))
(send area start-renderer rx-min rx-max ry-min ry-max rz-min rz-max)
(if render-proc (render-proc area) empty))))
(send area end-plot)
(when (and (not (empty? legend-entries))
(or (not (plot-animating?))
(not (equal? (plot-legend-anchor) 'center))))
(send area put-legend legend-entries))
(when (plot-animating?) (send area put-angles))
(send area restore-drawing-params)))
;; ===================================================================================================
;; Plot to various other backends
;; Plot to a bitmap
(defproc (plot3d-bitmap [renderer-tree (treeof (or/c renderer3d? non-renderer?))]
[#:x-min x-min (or/c real? #f) #f] [#:x-max x-max (or/c real? #f) #f]
[#:y-min y-min (or/c real? #f) #f] [#:y-max y-max (or/c real? #f) #f]
[#:z-min z-min (or/c real? #f) #f] [#:z-max z-max (or/c real? #f) #f]
[#:width width exact-positive-integer? (plot-width)]
[#:height height exact-positive-integer? (plot-height)]
[#:angle angle real? (plot3d-angle)]
[#:altitude altitude real? (plot3d-altitude)]
[#:title title (or/c string? #f) (plot-title)]
[#:x-label x-label (or/c string? #f) (plot-x-label)]
[#:y-label y-label (or/c string? #f) (plot-y-label)]
[#:z-label z-label (or/c string? #f) (plot-z-label)]
[#:legend-anchor legend-anchor anchor/c (plot-legend-anchor)]
) (is-a?/c bitmap%)
(define bm (make-bitmap width height))
(define dc (make-object bitmap-dc% bm))
(plot3d/dc renderer-tree dc 0 0 width height
#:x-min x-min #:x-max x-max #:y-min y-min #:y-max y-max #:z-min z-min #:z-max z-max
#:angle angle #:altitude altitude #:title title #:x-label x-label #:y-label y-label
#:z-label z-label #:legend-anchor legend-anchor)
bm)
(defproc (plot3d-pict [renderer-tree (treeof (or/c renderer3d? non-renderer?))]
[#:x-min x-min (or/c real? #f) #f] [#:x-max x-max (or/c real? #f) #f]
[#:y-min y-min (or/c real? #f) #f] [#:y-max y-max (or/c real? #f) #f]
[#:z-min z-min (or/c real? #f) #f] [#:z-max z-max (or/c real? #f) #f]
[#:width width exact-positive-integer? (plot-width)]
[#:height height exact-positive-integer? (plot-height)]
[#:angle angle real? (plot3d-angle)]
[#:altitude altitude real? (plot3d-altitude)]
[#:title title (or/c string? #f) (plot-title)]
[#:x-label x-label (or/c string? #f) (plot-x-label)]
[#:y-label y-label (or/c string? #f) (plot-y-label)]
[#:z-label z-label (or/c string? #f) (plot-z-label)]
[#:legend-anchor legend-anchor anchor/c (plot-legend-anchor)]
) pict?
(define saved-values (plot-parameters))
(dc (λ (dc x y)
(parameterize/group
([plot-parameters saved-values])
(plot3d/dc renderer-tree dc x y width height
#:x-min x-min #:x-max x-max #:y-min y-min #:y-max y-max #:z-min z-min
#:z-max z-max #:angle angle #:altitude altitude #:title title #:x-label x-label
#:y-label y-label #:z-label z-label #:legend-anchor legend-anchor)))
width height))
;; Plot to a snip
(defproc (plot3d-snip [renderer-tree (treeof (or/c renderer3d? non-renderer?))]
[#:x-min x-min (or/c real? #f) #f] [#:x-max x-max (or/c real? #f) #f]
[#:y-min y-min (or/c real? #f) #f] [#:y-max y-max (or/c real? #f) #f]
[#:z-min z-min (or/c real? #f) #f] [#:z-max z-max (or/c real? #f) #f]
[#:width width exact-positive-integer? (plot-width)]
[#:height height exact-positive-integer? (plot-height)]
[#:angle angle real? (plot3d-angle)]
[#:altitude altitude real? (plot3d-altitude)]
[#:title title (or/c string? #f) (plot-title)]
[#:x-label x-label (or/c string? #f) (plot-x-label)]
[#:y-label y-label (or/c string? #f) (plot-y-label)]
[#:z-label z-label (or/c string? #f) (plot-z-label)]
[#:legend-anchor legend-anchor anchor/c (plot-legend-anchor)]
) (is-a?/c image-snip%)
(make-3d-plot-snip
(λ (angle altitude anim?)
(parameterize ([plot-animating? (if anim? #t (plot-animating?))])
(plot3d-bitmap
renderer-tree
#:x-min x-min #:x-max x-max #:y-min y-min #:y-max y-max #:z-min z-min #:z-max z-max
#:width width #:height height #:angle angle #:altitude altitude #:title title
#:x-label x-label #:y-label y-label #:z-label z-label #:legend-anchor legend-anchor)))
angle altitude))
;; Plot to a frame
(defproc (plot3d-frame [renderer-tree (treeof (or/c renderer3d? non-renderer?))]
[#:x-min x-min (or/c real? #f) #f] [#:x-max x-max (or/c real? #f) #f]
[#:y-min y-min (or/c real? #f) #f] [#:y-max y-max (or/c real? #f) #f]
[#:z-min z-min (or/c real? #f) #f] [#:z-max z-max (or/c real? #f) #f]
[#:width width exact-positive-integer? (plot-width)]
[#:height height exact-positive-integer? (plot-height)]
[#:angle angle real? (plot3d-angle)]
[#:altitude altitude real? (plot3d-altitude)]
[#:title title (or/c string? #f) (plot-title)]
[#:x-label x-label (or/c string? #f) (plot-x-label)]
[#:y-label y-label (or/c string? #f) (plot-y-label)]
[#:z-label z-label (or/c string? #f) (plot-z-label)]
[#:legend-anchor legend-anchor anchor/c (plot-legend-anchor)]
) (is-a?/c object%)
(define snip
(plot3d-snip
renderer-tree
#:x-min x-min #:x-max x-max #:y-min y-min #:y-max y-max #:z-min z-min #:z-max z-max
#:width width #:height height #:angle angle #:altitude altitude #:title title
#:x-label x-label #:y-label y-label #:z-label z-label #:legend-anchor legend-anchor))
(make-snip-frame snip width height (if title (format "Plot: ~a" title) "Plot")))
;; Plot to any supported kind of file
(defproc (plot3d-file [renderer-tree (treeof (or/c renderer3d? non-renderer?))]
[output (or/c path-string? output-port?)]
[kind (one-of/c 'auto 'png 'jpeg 'xmb 'xpm 'bmp 'ps 'pdf 'svg) 'auto]
[#:x-min x-min (or/c real? #f) #f] [#:x-max x-max (or/c real? #f) #f]
[#:y-min y-min (or/c real? #f) #f] [#:y-max y-max (or/c real? #f) #f]
[#:z-min z-min (or/c real? #f) #f] [#:z-max z-max (or/c real? #f) #f]
[#:width width exact-positive-integer? (plot-width)]
[#:height height exact-positive-integer? (plot-height)]
[#:angle angle real? (plot3d-angle)]
[#:altitude altitude real? (plot3d-altitude)]
[#:title title (or/c string? #f) (plot-title)]
[#:x-label x-label (or/c string? #f) (plot-x-label)]
[#:y-label y-label (or/c string? #f) (plot-y-label)]
[#:z-label z-label (or/c string? #f) (plot-z-label)]
[#:legend-anchor legend-anchor anchor/c (plot-legend-anchor)]) void?
(define real-kind (if (eq? kind 'auto) (detect-image-file-type output) kind))
(case real-kind
[(png jpeg xbm xpm bmp)
(define bm
(plot3d-bitmap
renderer-tree
#:x-min x-min #:x-max x-max #:y-min y-min #:y-max y-max #:z-min z-min #:z-max z-max
#:width width #:height height #:angle angle #:altitude altitude #:title title
#:x-label x-label #:y-label y-label #:z-label z-label #:legend-anchor legend-anchor))
(send bm save-file output real-kind (plot-jpeg-quality))]
[(ps pdf svg)
(define dc
(case real-kind
[(ps) (new post-script-dc%
[interactive (plot-ps/pdf-interactive?)] [parent #f] [use-paper-bbox #f]
[as-eps #t] [width width] [height height] [output output])]
[(pdf) (new pdf-dc%
[interactive (plot-ps/pdf-interactive?)] [parent #f] [use-paper-bbox #f]
[width width] [height height] [output output])]
[(svg) (new svg-dc%
[width width] [height height] [output output] [exists 'truncate/replace])]))
(define-values (x-scale y-scale) (send dc get-device-scale))
(send dc start-doc "Rendering plot")
(send dc start-page)
(plot3d/dc renderer-tree dc 0 0
(inexact->exact (/ width x-scale)) (inexact->exact (/ height y-scale))
#:x-min x-min #:x-max x-max #:y-min y-min #:y-max y-max #:z-min z-min #:z-max z-max
#:angle angle #:altitude altitude #:title title #:x-label x-label #:y-label y-label
#:z-label z-label #:legend-anchor legend-anchor)
(send dc end-page)
(send dc end-doc)])
(void))
;; Plot to a frame or a snip, depending on the value of plot-new-window?
(defproc (plot3d [renderer-tree (treeof (or/c renderer3d? non-renderer?))]
[#:x-min x-min (or/c real? #f) #f] [#:x-max x-max (or/c real? #f) #f]
[#:y-min y-min (or/c real? #f) #f] [#:y-max y-max (or/c real? #f) #f]
[#:z-min z-min (or/c real? #f) #f] [#:z-max z-max (or/c real? #f) #f]
[#:width width exact-positive-integer? (plot-width)]
[#:height height exact-positive-integer? (plot-height)]
[#:angle angle real? #f] [#:altitude altitude real? #f]
[#:az az real? #f] [#:alt alt real? #f] ; backward-compatible aliases
[#:title title (or/c string? #f) (plot-title)]
[#:x-label x-label (or/c string? #f) (plot-x-label)]
[#:y-label y-label (or/c string? #f) (plot-y-label)]
[#:z-label z-label (or/c string? #f) (plot-z-label)]
[#:legend-anchor legend-anchor anchor/c (plot-legend-anchor)]
[#:out-file out-file (or/c path-string? output-port? #f) #f]
[#:out-kind out-kind (one-of/c 'auto 'png 'jpeg 'xmb 'xpm 'bmp 'ps 'pdf 'svg) 'auto]
[#:fgcolor fgcolor plot-color/c #f]
[#:bgcolor bgcolor plot-color/c #f]
[#:lncolor lncolor plot-color/c #f] ; unused
) (or/c (is-a?/c snip%) void?)
(when fgcolor
(deprecation-warning "the plot3d #:fgcolor keyword argument" "plot-foreground"))
(when bgcolor
(deprecation-warning "the plot3d #:bgcolor keyword argument" "plot-background"))
(when lncolor
(deprecation-warning "the plot3d #:lncolor keyword argument"))
(when az
(deprecation-warning "the plot3d #:az keyword argument" "#:angle"))
(when alt
(deprecation-warning "the plot3d #:alt keyword argument" "#:altitude"))
(define (call f . args)
(apply f renderer-tree args
#:x-min x-min #:x-max x-max #:y-min y-min #:y-max y-max #:z-min z-min #:z-max z-max
#:width width #:height height #:title title
#:angle (or angle az (plot3d-angle)) #:altitude (or altitude alt (plot3d-altitude))
#:x-label x-label #:y-label y-label #:z-label z-label #:legend-anchor legend-anchor))
(parameterize ([plot-foreground (if fgcolor fgcolor (plot-foreground))]
[plot-background (if bgcolor bgcolor (plot-background))])
(when out-file
(call plot3d-file out-file out-kind))
(cond [(plot-new-window?) (define frame (call plot3d-frame))
(send frame show #t)
(void)]
[else (call plot3d-snip)])))