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ps3866
d:\northps\block123-14dec07\ps3866.txt
26 Dec 07 13:53:41 Wednesday  elapsed time 00:05:45
Rectangular area = 0.875 km2
Data area = 0.874 km2
*percent double coverage = 65.300
**low-curvature dc area = 0.000 km2
1st-return RMSE, low-curvature areas = 1.776
95p = 2.591, 98p = 2.896, 99.5p = 3.076
BE RMSE = 1.201
95p = 2.273, 98p = 3.011, 99.5p = 4.311
1877830 unique returns and 0 duplicate returns
 
178739.439589 1330270.68 571674.93 2370.42 2 1 
178753.937769 1333266.18 571252.29 2602.27 2 1 
1003.679947
179757.617716 1333269.62 572741.41 3036.26 2 2 
179770.52181 1330270.03 573395.6 2714.63 1 1 
474.267066
180244.788876 1330270.17 574242.23 2758.39 2 1 
180260.842508 1333269.8 572080.47 2945.08 2 1 
 
930067 1st returns
947763 2nd returns
0 3rd returns
0 4th returns
224633 ground returns
0 blunders

curvature versus slope
  n = 111236 
  X=0, Y = 40.47 +/- 30.77 
  Weighted least-squares fit:  Y = 77.0 + 0.793 X  + -0.00797 X**2 
 
slope versus dZ, curvature < 5
  n = 3052 
 
  Weighted least-squares fit:  Y = 45.1 + 0.281 X  + -0.00093 X**2 
     at X = 100, Y = 63.8 
     effective RMSE xy = 71.0 
 
slope versus dZ, curvature < 15
  n = 8436 
 
  Weighted least-squares fit:  Y = 43.5 + 0.431 X  + -0.00174 X**2 
 
curvature versus dZ, slope < 10
  n = 669 
  X=0, Y = 46.47 +/- 8.85 
  Weighted least-squares fit:  Y = 47.8 + -1.862 X  + 0.19647 X**2 
 
 
Number of samples 112124
Max dz = 900
Mean dz = 86
RMS dz = 147.587262323
100cm = 71.7518104955 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