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ps3753
d:\northps\block123-14dec07\ps3753.txt
15 Dec 07 15:47:22 Saturday  elapsed time 00:06:28
Rectangular area = 0.875 km2
Data area = 0.874 km2
*percent double coverage = 63.581
**low-curvature dc area = 0.002 km2
1st-return RMSE, low-curvature areas = 1.277
95p = 2.042, 98p = 2.219, 99.5p = 2.457
BE RMSE = 1.252
95p = 2.494, 98p = 3.315, 99.5p = 4.822
1974805 unique returns and 0 duplicate returns
 
180243.96166 1330270.45 575483.21 3179.03 2 2 
180259.730935 1333269.97 574252.1 3398.47 1 1 
968.728854
181228.459789 1333269.48 576879.06 3238.27 2 2 
181242.144513 1330270.02 574312.37 2827.53 1 1 
512.394138
181754.538651 1330270.72 577250.31 3710.61 1 1 
181769.541195 1333269.86 575920.81 3296.98 2 1 
 
979211 1st returns
995594 2nd returns
0 3rd returns
0 4th returns
233241 ground returns
0 blunders

curvature versus slope
  n = 109118 
  X=0, Y = 42.68 +/- 24.38 
  Weighted least-squares fit:  Y = 62.5 + 1.707 X  + -0.01848 X**2 
 
slope versus dZ, curvature < 5
  n = 16514 
 
  Weighted least-squares fit:  Y = 61.3 + -1.461 X  + 0.01430 X**2 
     at X = 100, Y = 58.2 
     Bad fit. P2 = 0
slope versus dZ, curvature < 15
  n = 31353 
 
  Weighted least-squares fit:  Y = 62.1 + -1.455 X  + 0.01532 X**2 
 
curvature versus dZ, slope < 10
  n = 2452 
  X=0, Y = 49.46 +/- 14.01 
  Weighted least-squares fit:  Y = 49.9 + -0.254 X  + 0.16074 X**2 
 
 
Number of samples 110197
Max dz = 900
Mean dz = 86
RMS dz = 135.09996299
100cm = 70.9139087271 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