diff -r 89cbcb52b674 -r 56041bd3761e src/FingersDance.GestureControl/GestureVector.cs
--- a/src/FingersDance.GestureControl/GestureVector.cs	Tue Oct 27 10:10:26 2009 +0100
+++ b/src/FingersDance.GestureControl/GestureVector.cs	Wed Oct 28 11:57:38 2009 +0100
@@ -126,7 +126,10 @@
         private void Generate(List<SurfaceGesturePoint> list)
         {
             if (list.Count < 2)
+            {
+                this.Add(new SurfaceGestureVector { Direction = SurfaceGestureVectorDirection.TAP, Lenght = 0 });
                 return;
+            }
             SurfaceGestureVectorDirection lastDirection = SurfaceGestureVectorDirection.NONE;
             int lastPoint = 0;
             SurfaceGesturePoint LastChange = list[0];
@@ -213,41 +216,66 @@
                 }
                 ++lastPoint;
             }
+            Analyse(list);
+        }
 
+        private void Analyse(List<SurfaceGesturePoint> list)
+        {
             //  Analyse de la forme
 
-            int up = 0, down = 0, left = 0, right = 0, upleft = 0, upright = 0, downleft = 0, downright = 0;
+            double up = 0, down = 0, left = 0, right = 0, upleft = 0, upright = 0, downleft = 0, downright = 0;
             foreach (SurfaceGestureVector elt in this)
             {
                 switch (elt.Direction)
                 {
                     case SurfaceGestureVectorDirection.DOWN:
-                        down++;
+                        down += elt.Lenght;
                         break;
                     case SurfaceGestureVectorDirection.DOWNLEFT:
-                        downleft++;
+                        downleft += elt.Lenght;
                         break;
                     case SurfaceGestureVectorDirection.DOWNRIGHT:
-                        downright++;
+                        downright += elt.Lenght;
                         break;
                     case SurfaceGestureVectorDirection.LEFT:
-                        left++;
+                        left += elt.Lenght;
                         break;
                     case SurfaceGestureVectorDirection.RIGHT:
-                        right++;
+                        right += elt.Lenght;
                         break;
                     case SurfaceGestureVectorDirection.UP:
-                        up++;
+                        up += elt.Lenght;
                         break;
                     case SurfaceGestureVectorDirection.UPLEFT:
-                        upleft++;
+                        upleft += elt.Lenght;
                         break;
                     case SurfaceGestureVectorDirection.UPRIGHT:
-                        upright++;
+                        upright += elt.Lenght;
                         break;
                 }
             }
+
+            double diffX = Math.Abs(list[0].X - list[list.Count - 1].X);
+            double diffY = Math.Abs(list[0].Y - list[list.Count - 1].Y);
+
+            if (diffX < 5)
+            {
+                this.Clear();
+                if (up > down)
+                    this.Add(new SurfaceGestureVector { Direction = SurfaceGestureVectorDirection.UP, Lenght = up });
+                else
+                    this.Add(new SurfaceGestureVector { Direction = SurfaceGestureVectorDirection.DOWN, Lenght = down });
+            }
+            else if (diffY < 5)
+            {
+                this.Clear();
+                if (left > right)
+                    this.Add(new SurfaceGestureVector { Direction = SurfaceGestureVectorDirection.LEFT, Lenght = left });
+                else
+                    this.Add(new SurfaceGestureVector { Direction = SurfaceGestureVectorDirection.RIGHT, Lenght = right });
+            }
         }
+
         private SurfaceGestureVectorDirection GetHorizontal(SurfaceGesturePoint p1, SurfaceGesturePoint p2)
         {
             if (p1.Y < p2.Y)