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research:articles:progress_20111105 [2011/11/16 01:19]
chiragmehta [Problem]
research:articles:progress_20111105 [2019/11/07 19:40] (current)
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 ==== Background ==== ==== Background ====
  
-The primary goal of the [[:home|KType]] project is to improve communication for people with [[research:disabilities|disabilities]]. The KType [[http://ktype.net|iPad app]] presents the user with an on-screen keyboard with large keys that can be re-arranged easily for comfort and efficiency. The problem is that many users find it difficult to navigate a touch-screen user-interface due to unsteady hands.+The primary goal of the [[:home|KType]] project is to improve communication for people with [[research:disabilities|disabilities]]. The KType [[https://ktype.net|iPad app]] presents the user with an on-screen keyboard with large keys that can be re-arranged easily for comfort and efficiency. The problem is that many users find it difficult to navigate a touch-screen user-interface due to unsteady hands.
  
 ==== Multi-Touch Issues ==== ==== Multi-Touch Issues ====
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   hand_align = one of [righthand-upright, lefthand-upright,   hand_align = one of [righthand-upright, lefthand-upright,
                        righthand-turned , lefthand-turned]                        righthand-turned , lefthand-turned]
-  +
   min_distance = min_x = min_y = 9999999   min_distance = min_x = min_y = 9999999
   max_x = max_y = 0   max_x = max_y = 0
-  +
   for each touchpoint p   for each touchpoint p
     min_x = min(min_x, p.x)     min_x = min(min_x, p.x)
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     min_y = min(min_y, p.y)     min_y = min(min_y, p.y)
     max_y = max(max_y, p.y)     max_y = max(max_y, p.y)
-  +
   corner_x = if hand_align is righthand then min_x else max_x   corner_x = if hand_align is righthand then min_x else max_x
   corner_y = if hand_align is upright   then min_y else max_y   corner_y = if hand_align is upright   then min_y else max_y
-  +
   best_position = [corner_x, corner_y]   best_position = [corner_x, corner_y]
-  +
   for each touchpoint p   for each touchpoint p
     new_distance = (corner_x - p.x)^2 + (corner_y - p.y)^2 # no need to take the square-root, save CPU cycles     new_distance = (corner_x - p.x)^2 + (corner_y - p.y)^2 # no need to take the square-root, save CPU cycles
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       min_distance = new_distance       min_distance = new_distance
       best_position = [p.x, p.y]       best_position = [p.x, p.y]
-  +
   return best_position   return best_position
 +
 
research/articles/progress_20111105.1321435140.txt.gz · Last modified: 2011/11/16 01:19 by chiragmehta
 
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