=== SAVED CAST: echo_15_s81 ===
Normalized points: 64
Raw points: N/A

--- NORMALIZED STROKE POINTS (x, y in [0,1], top-left origin) ---
  [ 0]  (0.6862, 0.1355)
  [ 1]  (0.6987, 0.3331)
  [ 2]  (0.7085, 0.5309)
  [ 3]  (0.7341, 0.7268)
  [ 4]  (0.7667, 0.9221)
  [ 5]  (0.5927, 0.9242)
  [ 6]  (0.3948, 0.9224)
  [ 7]  (0.1970, 0.9309)
  [ 8]  (0.6862, 0.3326)
  [ 9]  (0.7627, 0.3439)
  [10]  (0.8084, 0.3944)
  [11]  (0.7987, 0.4633)
  [12]  (0.7380, 0.4710)
  [13]  (0.6985, 0.4229)
  [14]  (0.7242, 0.3640)
  [15]  (0.7999, 0.3479)
  [16]  (0.6862, 1.0000)
  [17]  (0.6862, 0.8916)
  [18]  (0.6862, 0.7832)
  [19]  (0.6957, 0.6754)
  [20]  (0.7081, 0.5677)
  [21]  (0.7222, 0.4602)
  [22]  (0.7371, 0.3529)
  [23]  (0.7430, 0.2447)
  [24]  (0.6862, 0.0050)
  [25]  (0.7348, 0.0235)
  [26]  (0.7444, 0.0754)
  [27]  (0.6987, 0.0909)
  [28]  (0.6854, 0.0467)
  [29]  (0.7113, 0.0000)
  [30]  (0.7443, 0.0184)
  [31]  (0.7326, 0.0730)
  [32]  (0.6862, 1.0000)
  [33]  (0.6912, 0.9135)
  [34]  (0.6963, 0.8271)
  [35]  (0.6992, 0.7405)
  [36]  (0.7019, 0.6539)
  [37]  (0.7046, 0.5673)
  [38]  (0.7085, 0.4808)
  [39]  (0.7172, 0.3947)
  [40]  (0.6862, 0.3117)
  [41]  (0.6155, 0.3161)
  [42]  (0.5448, 0.3205)
  [43]  (0.4740, 0.3249)
  [44]  (0.4034, 0.3242)
  [45]  (0.3328, 0.3181)
  [46]  (0.2622, 0.3120)
  [47]  (0.1916, 0.3058)
  [48]  (0.6862, 0.1513)
  [49]  (0.6311, 0.1451)
  [50]  (0.5760, 0.1390)
  [51]  (0.5209, 0.1328)
  [52]  (0.4658, 0.1266)
  [53]  (0.4111, 0.1177)
  [54]  (0.3567, 0.1074)
  [55]  (0.3022, 0.0971)
  [56]  (0.6862, 0.9892)
  [57]  (0.5915, 0.8823)
  [58]  (0.4994, 0.7730)
  [59]  (0.4146, 0.6582)
  [60]  (0.3333, 0.5406)
  [61]  (0.3526, 0.4470)
  [62]  (0.4955, 0.4506)
  [63]  (0.6346, 0.4770)

--- KEY VERTICES (corners with angle < 120 degrees) ---
  V0  (0.7667, 0.9221)  angle=98.8 deg
  V1  (0.1970, 0.9309)  angle=131.7 deg
  V2  (0.6862, 0.3326)  angle=59.1 deg
  V3  (0.7627, 0.3439)  angle=39.4 deg
  V4  (0.8084, 0.3944)  angle=50.2 deg
  V5  (0.7987, 0.4633)  angle=74.7 deg
  V6  (0.7380, 0.4710)  angle=57.9 deg
  V7  (0.6985, 0.4229)  angle=63.0 deg
  V8  (0.7242, 0.3640)  angle=54.4 deg
  V9  (0.7999, 0.3479)  angle=111.9 deg
  V10  (0.6862, 1.0000)  angle=170.1 deg
  V11  (0.6862, 0.0050)  angle=124.2 deg
  V12  (0.7348, 0.0235)  angle=58.6 deg
  V13  (0.7444, 0.0754)  angle=81.7 deg
  V14  (0.6987, 0.0909)  angle=92.0 deg
  V15  (0.6854, 0.0467)  angle=45.8 deg
  V16  (0.7113, 0.0000)  angle=90.1 deg
  V17  (0.7443, 0.0184)  angle=73.0 deg
  V18  (0.6862, 1.0000)  angle=179.5 deg
  V19  (0.6862, 0.3117)  angle=73.1 deg
  V20  (0.1916, 0.3058)  angle=157.7 deg
  V21  (0.6862, 0.1513)  angle=156.3 deg
  V22  (0.3022, 0.0971)  angle=124.0 deg
  V23  (0.6862, 0.9892)  angle=161.8 deg
  V24  (0.3333, 0.5406)  angle=46.3 deg
  V25  (0.3526, 0.4470)  angle=79.8 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
    }
),
