Some more fixes

simplify.py

@@ -120,9 +120,9 @@ def writeToShape(track, simplified, shapename):
     w.field('ID', 'N', '16')
     w.field('StartTime', 'N', '16')
     w.field('StartDist', 'N', '16')
-    w.field('Speed', 'N', '16')
-    w.field('Slope', 'N', '32')
-    w.field('VerticalSpeed', 'N', '32')
+    w.field('Speed', 'N', '16', 3)
+    w.field('Slope', 'N', '32', 3)
+    w.field('VertSpeed', 'N', '32', 3)
 
     k = 0
     for i in xrange(len(simplified) - 1):
@@ -144,7 +144,7 @@ def writeToShape(track, simplified, shapename):
             StartDist=startPoint.distance,
             Speed=endPoint.speed,
             Slope=endPoint.slope,
-            VerticalSpeed=endPoint.vspeed
+            VertSpeed=endPoint.vspeed
         )
 
     w.save(shapename)