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ps4241
d:\northps\block456-14jan08\ps4241.txt
16 Jan 08 22:39:52 Wednesday  elapsed time 00:06:26
Rectangular area = 0.875 km2
Data area = 0.874 km2
*percent double coverage = 75.017
**low-curvature dc area = 0.018 km2
1st-return RMSE, low-curvature areas = 0.967
95p = 1.769, 98p = 2.170, 99.5p = 2.170
BE RMSE = 2.223
95p = 4.476, 98p = 6.495, 99.5p = 10.304
1786586 unique returns and 0 duplicate returns
 
349764.602706 1453275.25 565241.28 3252.03 2 1 
349776.635326 1456269.72 565063.91 3327.07 2 1 
879.9676
350656.602926 1456265.48 565249.54 3427.58 1 1 
350670.642406 1453270.53 563614.36 3549.86 2 1 
606.268403
351276.910809 1453270.2 564698.23 3326.26 1 1 
351291.863827 1456269.71 562264.16 3492.01 2 1 
890.562267
352182.426094 1456268.78 562861.45 3399.31 2 1 
352196.660497 1453270.02 562254.45 3868.8 2 1 
 
886788 1st returns
899798 2nd returns
0 3rd returns
0 4th returns
211965 ground returns
0 blunders

curvature versus slope
  n = 155460 
  X=0, Y = 38.50 +/- 14.98 
  Weighted least-squares fit:  Y = 47.5 + 2.460 X  + -0.02618 X**2 
 
slope versus dZ, curvature < 5
  n = 58560 
 
  Weighted least-squares fit:  Y = 19.4 + 0.248 X  + 0.00377 X**2 
     at X = 100, Y = 81.8 
     effective RMSE xy = 124.8 
 
slope versus dZ, curvature < 15
  n = 93515 
 
  Weighted least-squares fit:  Y = 18.4 + 0.346 X  + 0.00335 X**2 
 
curvature versus dZ, slope < 10
  n = 1936 
  X=0, Y = 25.81 +/- 8.18 
  Weighted least-squares fit:  Y = 25.8 + 0.023 X  + 0.09381 X**2 
 
 
Number of samples 156742
Max dz = 900
Mean dz = 51
RMS dz = 107.046718773
100cm = 89.596917227 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