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