1.1 --- a/org/touch.org	Sun Feb 12 13:25:42 2012 -0700
     1.2 +++ b/org/touch.org	Sun Feb 12 13:30:42 2012 -0700
     1.3 @@ -250,12 +250,18 @@
     1.4              transforms (feeler-pixel-coords geo image))))
     1.5  
     1.6  (defn feeler-tips [#^Geometry geo image]
     1.7 -  (let [origins (feeler-origins geo image)]
     1.8 -    (
     1.9 +  (let [origins (feeler-origins geo image)
    1.10 +        normals
    1.11 +        (map
    1.12 +         (fn [triangle]
    1.13 +           (.calculateNormal triangle)
    1.14 +           (.clone (.getNormal triangle)))
    1.15 +         (map ->triangle (triangles geo)))]
    1.16 +    (map #(.add %1 %2) origins normals)))
    1.17 +
    1.18 +(defn touch-topology [#^Geometry geo image]
    1.19 +  (collapse (feeler-pixel-coords geo image)))
    1.20    
    1.21 -)
    1.22 -
    1.23 -
    1.24  
    1.25  (defn sensors-in-triangle
    1.26    "Locate the touch sensors in the triangle, returning a map of their