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1 (ns clojureDemo.appeture)
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2
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3 (use 'clojure.contrib.repl-utils)
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4 (use 'clojure.contrib.accumulators)
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5
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6 "right now this only will work on odd square arrays"
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7
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8 (def rrr {[0 0] 20 , [1 0] 20, [2 0] 20
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9 [0 1] 0 , [1 1] 0, [2 1] 0
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10 [0 2] 0 , [1 2] 0, [2 2] 0})
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11
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12 (def rrrr {[0 0] 20 , [1 0] 20, [2 0] 20 , [3 0] 20, [4 0] 20,
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13 [0 1] 20 , [1 1] 20, [2 1] 20 , [3 1] 20, [4 1] 20,
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14 [0 2] 0 , [1 2] 0, [2 2] 0 , [3 2] 0, [4 2] 0,
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15 [0 3] 0 , [1 3] 0, [2 3] 0 , [3 3] 0, [4 3] 0,
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16 [0 4] 0 , [1 4] 0, [2 4] 0 , [3 4] 0, [4 4] 0,})
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17
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18 (defn vector-mul
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19 [mul vect]
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20 (apply vector (map #(* mul %) vect)) )
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21
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22 (defn vector-sum
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23 ([] 0)
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24 ([& args]
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25 (apply vector (reduce #(map + %1 %2) args))))
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26
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27 (defn vector-sub
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28 [vector1 vector2]
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29 (vector-sum vector1 (vector-mul -1 vector2)))
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30
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31 (defn vector-dot
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32 [vector1 vector2]
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33 (reduce + (map * vector1 vector2)))
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34
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35 (defn center
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36 [window]
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37 (let [coords (keys window)]
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38 (vector-mul (/ 1 (count coords)) (apply vector-sum coords))))
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39
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40 (defn window-segmentate
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41 [window line]
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42 (let [center (center window)]
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43 (letfn [(path [window] (filter (fn [point] (apply = (line center point))) (keys window)))
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44 (top [window] (filter (fn [point] (apply > (line center point))) (keys window)))
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45 (bottom [window] (filter (fn [point] (apply < (line center point))) (keys window)))]
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46 {:top (top window) :bottom (bottom window) :line (path window)})))
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47
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48 (defn diag1
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49 [window]
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50 (window-segmentate window (fn [center point] (list (first (vector-sub point center)) (-(last (vector-sub point center)))))))
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51
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52 (defn diag2
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53 [window]
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54 (window-segmentate window (fn [center point] (list (first (vector-sub point center)) (last (vector-sub point center))))))
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55
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56 (defn vert
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57 [window]
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58 (window-segmentate window (fn [center point] (list (first (vector-sub point center)) 0))))
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59
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60 (defn horiz
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61 [window]
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62 (window-segmentate window (fn [center point] (list 0 (last (vector-sub point center))))))
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63
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64
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65
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66
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67
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68
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69 (defn lines
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70 [window]
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71 (let [lines (list (vert window) (horiz window) (diag1 window) (diag2 window))]
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72 lines))
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73 ;This is the wrong model. Higher level processors should set these paramaters, and
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74 ; juggle them around if they aren't getting anything they understand.
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75
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76
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77
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78 (defn stats-base
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79 [sections window sel-fun]
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80 (let [stats-top (add-items empty-mean-variance (map window (:top sections)))
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81 stats-bottom (add-items empty-mean-variance (map window (:bottom sections)))]
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82 (let [ var1 (:variance stats-top) mean1 (:mean stats-top) var2 (:variance stats-bottom) mean2 (:mean stats-bottom)]
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83 (sel-fun var1 mean1 var2 mean2))))
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84
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85 (defn window-line
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86 [window transformation detection]
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87 (let [x-window (transformation window)]
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88 (first (filter #(stats-base % x-window detection) (lines x-window)))))
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89
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90 (defn window-stats
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91 ([window] (window-stats window identity))
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92 ([window transformation]
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93 (let [x-window (transformation window)]
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94 (map (fn [line] (stats-base line x-window #(list %1 %2 %3 %4))) (lines x-window)))))
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95
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96
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97
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98
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99 (comment
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100
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101 (do (use :reload-all 'clojureDemo.appeture) (in-ns 'clojureDemo.appeture))
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102
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103 )
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