70 lines
3.1 KiB
Racket
70 lines
3.1 KiB
Racket
#lang racket/base
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(require racket/class racket/match racket/list racket/contract
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"../common/math.rkt"
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"../common/vector.rkt"
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"../common/contract.rkt" "../common/contract-doc.rkt"
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"../common/legend.rkt"
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"../common/sample.rkt"
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"../common/parameters.rkt"
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"renderer.rkt"
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"sample.rkt")
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(provide lines3d parametric3d)
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;; ===================================================================================================
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(define ((lines3d-render-proc vs-fun color width style alpha label) area)
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(send area put-alpha alpha)
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(send area put-pen color width style)
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(send area put-lines (vs-fun))
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(cond [label (line-legend-entry label color width style)]
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[else empty]))
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(define (lines3d-renderer
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vs-thnk x-min x-max y-min y-max z-min z-max color width style alpha label)
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(define rvs (filter vregular? (vs-thnk)))
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(cond [(empty? rvs) null-renderer3d]
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[else
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(match-define (list (vector rxs rys rzs) ...) rvs)
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(let ([x-min (if x-min x-min (apply min* rxs))]
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[x-max (if x-max x-max (apply max* rxs))]
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[y-min (if y-min y-min (apply min* rys))]
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[y-max (if y-max y-max (apply max* rys))]
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[z-min (if z-min z-min (apply min* rzs))]
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[z-max (if z-max z-max (apply max* rzs))])
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(renderer3d (lines3d-render-proc vs-thnk color width style alpha label)
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default-3d-ticks-fun
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null-3d-bounds-fun
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x-min x-max y-min y-max z-min z-max))]))
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(defproc (lines3d
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[vs (listof (vector/c real? real? real?))]
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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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[#:color color plot-color/c (line-color)]
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[#:width width (>=/c 0) (line-width)]
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[#:style style plot-pen-style/c (line-style)]
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[#:alpha alpha (real-in 0 1) (line-alpha)]
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[#:label label (or/c string? #f) #f]
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) renderer3d?
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(lines3d-renderer (λ () vs) x-min x-max y-min y-max z-min z-max color width style alpha label))
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(defproc (parametric3d
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[f (real? . -> . (vector/c real? real? real?))]
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[t-min real?] [t-max real?]
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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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[#:samples samples (and/c exact-integer? (>=/c 2)) (line-samples)]
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[#:color color plot-color/c (line-color)]
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[#:width width (>=/c 0) (line-width)]
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[#:style style plot-pen-style/c (line-style)]
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[#:alpha alpha (real-in 0 1) (line-alpha)]
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[#:label label (or/c string? #f) #f]
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) renderer3d?
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(lines3d-renderer (λ () (sample-parametric f t-min t-max (samples/animating? samples)))
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x-min x-max y-min y-max z-min z-max color width style alpha label))
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