configs/config3_handswitch_only_after_direction_change_or_unbalancing.py

   1 #!/usr/bin/env python3
   2
   3 """Configuration of check_neo, mainly the weights of the cost functions. Intended to be easily modified.
   4
   5 One result (3000 mut + tail):
   6
   7 ßkygj ö.müx,´
   8 rnlsw äeaidc
   9 fpthq buzov
  10
  11 """
  12
  13 #: The mutated letters - only these get changed.
  14 abc = "abcdefghijklmnopqrstuvwxyzäöüß,."
  15
  16 WEIGHT_POSITION = 4 #: reference cost - gets multiplied with the COST_PER_KEY.
  17
  18 WEIGHT_FINGER_REPEATS = 128 #: Cost of a finger repeat. Gets additional +1 from the row change on the same finger.
  19
  20 WEIGHT_FINGER_REPEATS_TOP_BOTTOM = 2048 #: Additional cost of a finger repetition from the top to the bottom line. Gets added to the cost of the normal finger repetition. Additionally this gets costs as row repetition on the same hand (+4).
  21
  22 WEIGHT_BIGRAM_ROW_CHANGE_PER_ROW = 0.2 #: When I have to switch the row in a bigram while on the same hand, that takes time => Penalty per (row to cross ² / horizontal distance)² if we’re on the same hand.
  23
  24 WEIGHT_COUNT_ROW_CHANGES_BETWEEN_HANDS = False #: Should we count a row change with a handswitch as row change?
  25
  26 WEIGHT_FINGER_DISBALANCE = 40 #: multiplied with the standard deviation of the finger usage - value guessed and only valid for the 1gramme.txt corpus.
  27
  28 WEIGHT_TOO_LITTLE_HANDSWITCHING = 2000 #: how high should it be counted, if the hands aren’t switched in a triple?
  29
  30 WEIGHT_NO_HANDSWITCH_AFTER_DIRECTION_CHANGE = 1 #: how much stronger should the triple without handswitch be counted, if there also is a direction change? Also affects the “unweighted” result from total_cost!
  31 WEIGHT_NO_HANDSWITCH_WITHOUT_DIRECTION_CHANGE = -1 #: how much stronger should the triple without handswitch be counted, if there also is a direction change? Also affects the “unweighted” result from total_cost!
  32
  33 WEIGHT_INTENDED_FINGER_LOAD_LEFT_PINKY_TO_RIGHT_PINKY = [
  34     1,
  35     2,
  36     2,
  37     2.6, # is 1/3 faster
  38     1,
  39     1,
  40     2.6,
  41     2,
  42     2,
  43     1] #: The intended load per finger. Inversed and then used as multiplier for the finger load before calculating the finger disbalance penalty. Any load distribution which strays from this optimum gives a penalty.
  44
  45 WEIGHT_XCVZ_ON_BAD_POSITION = 0.2 #: the penalty *per letter* in the text if xvcz are on bad positions (cumulative; if all 4 are on bad positions (not in the first 5 keys, counted from the left side horizontally) we get 4 times the penalty).
  46
  47 WEIGHT_FINGER_SWITCH = 2 #: how much worse is it to switch from middle to indexfinger compared with middle to pinky (~30ms according to Rohmert).
  48
  49 #: The cost for moving from one finger to another one with middle-to-index as 1 (30ms). Currently only uses the neighbors. Can also be used to favor a certain direction. Adapted the Rohmert times as per my own experiences: http://lists.neo-layout.org/pipermail/diskussion/2010-May/017171.html and http://lists.neo-layout.org/pipermail/diskussion/2010-May/017321.html
  50 FINGER_SWITCH_COST = {
  51     "Klein_L": {
  52         "Ring_L": 2, # 100ms
  53         "Mittel_L": 4,
  54         "Zeige_L": 1
  55         },
  56     "Ring_L": {
  57         "Klein_L": 3,
  58         "Mittel_L": 4, # 140ms
  59         "Zeige_L": 1
  60         },
  61     "Mittel_L": {
  62         "Klein_L": 1,
  63         "Ring_L": 4,
  64         "Zeige_L": 1 # Nach Rohmert 230ms statt 200ms ⇒ 30ms
  65         },
  66     "Zeige_L": {
  67         "Klein_L": 1,
  68         "Ring_L": 3,
  69         "Mittel_L": 4 # 120ms
  70         },
  71     "Daumen_L": {
  72         },
  73     "Daumen_R": {
  74         },
  75     "Zeige_R": {
  76         "Mittel_R": 4,
  77         "Ring_R": 3,
  78         "Klein_R": 1
  79         },
  80     "Mittel_R": {
  81         "Zeige_R": 1,
  82         "Ring_R": 4,
  83         "Klein_R": 1
  84         },
  85     "Ring_R": {
  86         "Zeige_R": 2,
  87         "Mittel_R": 4,
  88         "Klein_R": 3
  89         },
  90     "Klein_R": {
  91         "Zeige_R": 1,
  92         "Mittel_R": 4,
  93         "Ring_R": 2
  94         }
  95 }
  96
  97 WEIGHT_NO_HANDSWITCH_AFTER_UNBALANCING_KEY = 800 #: How much penalty we want if there’s no handswitching after an unbalancing key. Heavy unbalancing (wkßz, M3 right, return and the shifts) counts double (see UNBALANCING_POSITIONS). This also gives a penalty for handswitching after an uppercase letter.
  98
  99 #: Positions which pull the hand from the base row, position and cost (the strength of the pulling from base row).
 100 UNBALANCING_POSITIONS = {
 101     (1, 0, 0): 2, # Tab
 102     (1, 1, 0): 1,# x
 103     (1, 5, 0): 2, # w
 104     (1, 6, 0): 2, # k
 105     (1, 10, 0): 1, # q
 106     (1, 11, 0): 2, # ß
 107     (2, 0, 0): 2, # L_M3
 108     (2, 5, 0): 1, # o
 109     (2, 6, 0): 1, # s
 110     (2, 11, 0): 1, # y
 111     (2, 12, 0): 2, # R_M3
 112     (2, 13, 0): 2, # Return
 113     (3, 0, 0): 2, # L_Shift
 114     (3, 12, 0): 2, # R_Shift
 115     (3, 6, 0): 2 # z
 116 }
 117
 118 # Structured key weighting (but still mostly from experience and deducing from the work of others).
 119 # The speed of the fingers is taken out (see INTENDED_FINGER_LOAD_LEFT_PINKY_TO_RIGHT_PINKY).
 120 # So this shows the reachability of the keys, ignoring the different speed of the fingers.
 121 # “How much does the hand hurt when reaching for the key” :)
 122 # rationale: reaching for the Neo 2 x hurts thrice as much as just hitting the Neo2 u → 10 vs. 3.
 123 # the upper keys on the right hand can be reached a bit better, since movement is aligned with the hand
 124 # (except for q, since the pinky is too short for that).
 125 # theoretical minimum (assigning the lowest cost to the most frequent char, counting only the chars on layer 1):
 126 # 1123111113 = 3.3490913205386508 mean key position cost
 127 # Ringfinger on lower row takes 1.5 times the time of index on the upper row[1].
 128 # [1]: http://forschung.goebel-consult.de/de-ergo/rohmert/Rohmert.html - only one person!
 129 COST_PER_KEY  = [
 130     # The 0 values aren’t filled in at the moment.
 131     # Don’t put mutated keys there!
 132     [0,     0, 0, 0, 0, 0,     0, 0, 0, 0, 0,22, 0, 0], # Zahlenreihe (0)
 133     [0,    10, 6, 5, 6, 9,    10, 5, 4, 5, 8,12,18, 0], # Reihe 1
 134     [0,     3, 3, 3, 3, 5,     5, 3, 3, 3, 3, 5,10,18], # Reihe 2
 135     [15,10,12,12,10, 10,   15, 7, 6,11,11,10,   15],     # Reihe 3
 136     [0,0,0,               3           , 0, 0, 0, 0] # Reihe 4 mit Leertaste
 137 ]
 138
 139 # for reference the neo layout
 140 NEO = [
 141     [("^"),("1"),("2"),("3"),("4"),("5"),("6"),("7"),("8"),("9"),("0"),("-"),("`"),("←")], # Zahlenreihe (0)
 142     [("⇥"),("x"),("v"),("l"),("c"),("w"),("k"),("h"),("g"),("f"),("q"),("ß"),("´"),()], # Reihe 1
 143     [("⇩"),("u"),("i"),("a"),("e"),("o"),("s"),("n"),("r"),("t"),("d"),("y"),("⇘"),("\n")], # Reihe 2
 144     [("⇧"),(),("ü"),("ö"),("ä"),("p"),("z"),("b"),("m"),(","),("."),("j"),("⇗")],        # Reihe 3
 145     [(), (), (), (" "), (), (), (), ()] # Reihe 4 mit Leertaste
 146 ]
 147
 148
 149 #: The positions which are by default accessed by the given finger.
 150 FINGER_POSITIONS = {
 151     "Klein_L": [(1, 1, 0), (2, 0, 0), (2, 1, 0), (3, 0, 0), (3, 1, 0), (3, 2, 0)], # Klein_L
 152     "Ring_L": [(1, 2, 0), (2, 2, 0), (3, 3, 0)], # Ring_L
 153     "Mittel_L": [(1, 3, 0), (2, 3, 0), (3, 4, 0)], # Mittel_L
 154     "Zeige_L": [(1, 4, 0), (2, 4, 0), (3, 5, 0), (1, 5, 0), (2, 5, 0), (3, 6, 0)], # Zeige_L
 155     "Daumen_L": [(4, 3, 0)], # Daumen_L
 156     "Daumen_R": [(4, 3, 0)], # Daumen_R
 157     "Zeige_R": [(1, 6, 0), (2, 6, 0), (3, 7, 0), (1, 7, 0), (2, 7, 0), (3, 8, 0)], # Zeige_R
 158     "Mittel_R": [(1, 8, 0), (2, 8, 0), (3, 9, 0)], # Mittel_R
 159     "Ring_R": [(1, 9, 0), (2, 9, 0), (3, 10, 0)], # Ring_R
 160     "Klein_R": [(1, 10, 0), (2, 10, 0), (3, 11, 0), (1, 11, 0), (2, 11, 0), (1, 12, 0), (2, 12, 0), (2, 13, 0), (3, 12, 0)] # Klein_R
 161 }