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ps2660
d:\northps\block456-14jan08\ps2660.txt
16 Jan 08 01:13:20 Wednesday  elapsed time 00:14:21
Rectangular area = 0.875 km2
Data area = 0.874 km2
*percent double coverage = 77.503
**low-curvature dc area = 0.041 km2
1st-return RMSE, low-curvature areas = 1.123
95p = 1.740, 98p = 1.935, 99.5p = 2.202
BE RMSE = 2.286
95p = 4.029, 98p = 5.944, 99.5p = 10.454
1917816 unique returns and 0 duplicate returns
 
231828.319953 1450273.28 607265.72 3274.04 2 1 
231842.778998 1453269.55 608739.58 4246.34 1 2 
719.01101
232561.790008 1450375.78 607253.2 3205.7 1 2 
232575.189982 1453269.49 607925.99 4168.32 2 1 
458.841028
233034.03101 1453269.61 610241.95 4600.1 1 2 
233049.279173 1450270.48 607254.87 3399.89 1 1 
501.815848
233551.095021 1450270.5 608529.86 3153.93 2 1 
233565.894759 1453269.79 610249.23 4628.63 1 1 
 
951758 1st returns
966058 2nd returns
0 3rd returns
0 4th returns
273761 ground returns
0 blunders

curvature versus slope
  n = 233001 
  X=0, Y = 31.26 +/- 17.44 
  Weighted least-squares fit:  Y = 45.9 + 2.653 X  + -0.02851 X**2 
 
slope versus dZ, curvature < 5
  n = 104104 
 
  Weighted least-squares fit:  Y = 42.3 + -0.237 X  + 0.00418 X**2 
     at X = 100, Y = 60.5 
     effective RMSE xy = 67.8 
 
slope versus dZ, curvature < 15
  n = 157028 
 
  Weighted least-squares fit:  Y = 42.7 + -0.160 X  + 0.00337 X**2 
 
curvature versus dZ, slope < 10
  n = 10517 
  X=0, Y = 40.73 +/- 8.28 
  Weighted least-squares fit:  Y = 40.5 + 3.483 X  + -0.14653 X**2 
 
 
Number of samples 234737
Max dz = 900
Mean dz = 47
RMS dz = 82.7163828996
100cm = 93.7372463651 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