=== SAVED CAST: z_4 ===
Normalized points: 64
Raw points: 27

--- NORMALIZED STROKE POINTS (x, y in [0,1], top-left origin) ---
  [ 0]  (0.7577, 0.9298)
  [ 1]  (0.7480, 0.8974)
  [ 2]  (0.7451, 0.8638)
  [ 3]  (0.7427, 0.8300)
  [ 4]  (0.7403, 0.7963)
  [ 5]  (0.7379, 0.7626)
  [ 6]  (0.7356, 0.7288)
  [ 7]  (0.7332, 0.6951)
  [ 8]  (0.7308, 0.6614)
  [ 9]  (0.7271, 0.6278)
  [10]  (0.7230, 0.5942)
  [11]  (0.7189, 0.5607)
  [12]  (0.7147, 0.5271)
  [13]  (0.7106, 0.4935)
  [14]  (0.7065, 0.4600)
  [15]  (0.7024, 0.4264)
  [16]  (0.6978, 0.3929)
  [17]  (0.6920, 0.3596)
  [18]  (0.6862, 0.3263)
  [19]  (0.6805, 0.2930)
  [20]  (0.6747, 0.2596)
  [21]  (0.6690, 0.2263)
  [22]  (0.6632, 0.1930)
  [23]  (0.6513, 0.1616)
  [24]  (0.6370, 0.1310)
  [25]  (0.6227, 0.1003)
  [26]  (0.6084, 0.0697)
  [27]  (0.5942, 0.0390)
  [28]  (0.5663, 0.0206)
  [29]  (0.5373, 0.0032)
  [30]  (0.5064, 0.0000)
  [31]  (0.4738, 0.0090)
  [32]  (0.4412, 0.0179)
  [33]  (0.4108, 0.0306)
  [34]  (0.3881, 0.0557)
  [35]  (0.3654, 0.0807)
  [36]  (0.3427, 0.1058)
  [37]  (0.3200, 0.1308)
  [38]  (0.3085, 0.1622)
  [39]  (0.2984, 0.1945)
  [40]  (0.2883, 0.2268)
  [41]  (0.2783, 0.2591)
  [42]  (0.2702, 0.2918)
  [43]  (0.2673, 0.3255)
  [44]  (0.2645, 0.3591)
  [45]  (0.2616, 0.3928)
  [46]  (0.2588, 0.4265)
  [47]  (0.2560, 0.4602)
  [48]  (0.2535, 0.4940)
  [49]  (0.2509, 0.5277)
  [50]  (0.2484, 0.5614)
  [51]  (0.2458, 0.5951)
  [52]  (0.2433, 0.6288)
  [53]  (0.2423, 0.6626)
  [54]  (0.2423, 0.6964)
  [55]  (0.2423, 0.7302)
  [56]  (0.2423, 0.7640)
  [57]  (0.2438, 0.7978)
  [58]  (0.2464, 0.8315)
  [59]  (0.2490, 0.8652)
  [60]  (0.2521, 0.8989)
  [61]  (0.2554, 0.9326)
  [62]  (0.2580, 0.9663)
  [63]  (0.2603, 1.0000)

--- KEY VERTICES (corners with angle < 120 degrees) ---
  V0  (0.5942, 0.0390)  angle=31.5 deg

--- SUGGESTED DOT TEMPLATE FORMAT ---
// Paste into SpellGestureTracker.java getDotTemplates():
new DotTemplate(DetectedPattern.SPELL_NAME, "description",
    new double[][] {
        // pick key dots from vertices above
    },
    new int[][] {
        // define connections between dots
    }
),
