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ps2143
d:\northps\block123-14dec07\ps2143.txt
15 Dec 07 08:03:28 Saturday  elapsed time 00:05:50
Rectangular area = 0.875 km2
Data area = 0.874 km2
*percent double coverage = 55.224
**low-curvature dc area = 0.012 km2
1st-return RMSE, low-curvature areas = 0.258
95p = 0.537, 98p = 0.716, 99.5p = 0.971
BE RMSE = 2.858
95p = 6.186, 98p = 6.713, 99.5p = 9.710
1518773 unique returns and 0 duplicate returns
 
235906.123617 1273271.36 625253.35 1597.58 1 10 
235922.610727 1273959.06 628251.92 732.44 1 10 
640.8119
236563.422627 1276241.15 628251.83 412.14 2 10 
236579.100868 1273280.78 625252.17 1588.95 1 1 
1458.704558
238037.805426 1276267.57 628251.67 416.05 2 1 
238053.583138 1274736.19 625252.05 1049.86 1 10 
 
1031020 1st returns
376371 2nd returns
95381 3rd returns
16001 4th returns
76273 ground returns
0 blunders

curvature versus slope
  n = 185892 
  X=0, Y = 20.31 +/- 17.73 
  Weighted least-squares fit:  Y = 49.5 + 2.314 X  + -0.02557 X**2 
 
slope versus dZ, curvature < 5
  n = 30325 
  X=0, Y = 3.09 +/- 2.19 
  Weighted least-squares fit:  Y = 4.9 + 0.435 X  + -0.00001 X**2 
     at X = 100, Y = 48.3 
     effective RMSE xy = 75.4 
 
slope versus dZ, curvature < 15
  n = 50117 
  X=0, Y = 3.09 +/- 2.19 
  Weighted least-squares fit:  Y = 4.8 + 0.515 X  + -0.00049 X**2 
 
curvature versus dZ, slope < 10
  n = 21604 
  X=0, Y = 7.31 +/- 5.29 
  Weighted least-squares fit:  Y = 6.2 + 2.095 X  + 0.01455 X**2 
 
 
Number of samples 187679
Max dz = 900
Mean dz = 45
RMS dz = 78.9683480896
100cm = 87.7668785533 percentile value of dz

Number of survey units in 1 meter = 3.208
Nominal spot spacing (in survey units) = 5
Nominal pulse density (per m2) = 1
Difference cell size = 2.5
IsData cell size = 1.25
IsData expand cells = 8
IsData shrink cells = 7
BE IsData cell size = 2.5
BE IsData expand cells = 24
BE IsData shrink cells = 24
MaxCurve = 24.69903359999
Curvature expand cells = 4
Curvature shrink cells = 3
Point density cell size = 20
Color critical value = 0.3208
Hue jump at critical value = 90