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1 (ns rlm.vision
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2 (:use [clojure.contrib def trace])
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3 (:use [rlm image-utils])
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4 (:use [cantor])
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5 (:import java.awt.image.BufferedImage
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6 [ij ImagePlus IJ]
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7
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8 ))
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9
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10 (defn select-last [& args]
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11 (last args))
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12
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13
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14 ;this is to finally get these stupid color problems out of the way!
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15
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16 (defmulti gen-color (fn [& args]
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17 (class (last args))))
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18
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19
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20
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21
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22 (defmethod gen-color (class 5)
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23 ([r g b]
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24 (gen-color (vector r g b 255)))
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25 ([r g b a]
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26 (gen-color (vector r g b a))))
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27
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28 (defmethod gen-color (class :black)
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29 [key]
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30 (get {:black (gen-color {:r 0 :g 0 :b 0})
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31 :white (gen-color {:r 255 :g 255 :b 255})}
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32 key
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33 (gen-color {:r 0 :g 0 :b 0})))
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34
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35 (defmethod gen-color (class [5 10 255 50])
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36 [[r g b a]]
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37 (gen-color {:r r :g g :b b :a a}))
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38
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39 (defmethod gen-color (class {:r 5 :g 10 :b 255 :a 50})
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40 [{:keys [r g b a] :or {r 0 g 0 b 0 a 255}}]
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41 (let [r (int (rem r 256))
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42 g (int (rem g 256))
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43 b (int (rem b 256))
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44 a (int (rem a 256))
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45 ]
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46 (+
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47 (bit-shift-left a 24)
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48 (bit-shift-left r 16)
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49 (bit-shift-left g 8)
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50 b)))
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51
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52 (def color (memoize gen-color))
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53
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54
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55
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56
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57 (defn black-lattice [x y]
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58 (if (and
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59 (< (rem y 500) 10)
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60 (< (rem x 500) 10)) (color :black) (color :white)))
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61
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62
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63
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64 (defn snake-problem-2 [x y]
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65 (let [E (+ 4 (* 3 (java.lang.Math/cos x)) (java.lang.Math/cos (* 3 x)))
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66 E (int (* E 255/9))]
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67
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68 (color E E E)))
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69
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70
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71
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72 (defn function->image [[xmin xmax] [ymin ymax] f]
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73 (let [width (- xmax xmin)
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74 height (- ymax ymin)
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75 image (BufferedImage. width height BufferedImage/TYPE_INT_RGB)]
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76
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77 (doall
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78 (for [y (range ymin ymax) x (range xmin xmax)]
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79 (.setRGB image (- x xmin) (- y ymin) (f x y))))
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80
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81 (ImagePlus. "functionally-generated" image)))
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82
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83 (defn better-function->image [[xmin xmax] [ymin ymax] f]
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84
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85 (let [width (- xmax xmin)
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86 height (- ymax ymin)
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87 image (BufferedImage. width height BufferedImage/TYPE_INT_RGB)
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88 set-color (fn [[x y]] (.setRGB image (- x xmin) (- y ymin) (f x y)))
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89 domain (for [x (range xmin xmax) y (range ymin ymax)] [x y])]
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90
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91 (dorun (pmap set-color domain))
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92 (ImagePlus. "functionally-generated" image)))
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93
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94
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95
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96
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97
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98 (def a-face (normalize (cross
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99 (vec3 1 0 0)
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100 (sub
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101 (vec3 0 0 (/ (* 2 (expt 3 1/2))))
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102 (vec3 (/ (- (sqrt 3)) 2) (- 1/2) 0)))))
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103
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104 (def c-face (mul (normalize (cross
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105 (vec3 (/ (sqrt 3) 2) 3/2 0)
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106 (sub
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107 (vec3 0 0 (/ (* 2 (expt 3 1/2))))
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108 (vec3 (/ (- (sqrt 3)) 2) (- 1/2) 0)))) -1))
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109
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110
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111 (def b-face (mul (normalize
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112 (cross
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113 (vec3 (/ (sqrt 3) 2) (- 3/2) 0)
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114 (sub
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115 (vec3 0 0 (/ (* 2 (expt 3 1/2))))
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116 (vec3 (/ (sqrt 3) 2) (- 1/2) 0)))) -1))
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