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ps1777
d:\northps\block123-14dec07\ps1777.txt
15 Dec 07 05:50:57 Saturday  elapsed time 00:06:57
Rectangular area = 0.875 km2
Data area = 0.874 km2
*percent double coverage = 39.724
**low-curvature dc area = 0.094 km2
1st-return RMSE, low-curvature areas = 0.268
95p = 0.535, 98p = 0.666, 99.5p = 0.889
BE RMSE = 0.730
95p = 1.548, 98p = 2.068, 99.5p = 3.059
1496310 unique returns and 0 duplicate returns
 
436368.080213 1247968.82 643251.95 69.56 1 10 
436384.061735 1246273.54 640252.81 212.08 1 1 
632.737025
437016.79876 1246705.91 640252.03 167.44 1 10 
437032.166707 1249264.8 643250.56 70.5 1 1 
1175.491758
438207.658465 1249269.52 643250.39 70.17 1 10 
438223.146867 1249051.9 640252.0 223.16 1 10 
88721.74905
526944.895917 1249269.96 643249.46 70.2 1 1 
526960.563767 1248952.71 640252.01 216.63 1 2 
 
1295099 1st returns
162559 2nd returns
34770 3rd returns
3882 4th returns
381780 ground returns
0 blunders

curvature versus slope
  n = 439664 
  X=0, Y = 13.18 +/- 11.09 
  Weighted least-squares fit:  Y = 20.2 + 4.222 X  + -0.04852 X**2 
 
slope versus dZ, curvature < 5
  n = 211932 
  X=0, Y = 7.94 +/- 4.71 
  Weighted least-squares fit:  Y = 5.8 + 0.289 X  + 0.00134 X**2 
     at X = 100, Y = 48.1 
     effective RMSE xy = 75.0 
 
slope versus dZ, curvature < 15
  n = 306383 
  X=0, Y = 7.64 +/- 4.68 
  Weighted least-squares fit:  Y = 5.7 + 0.339 X  + 0.00082 X**2 
 
curvature versus dZ, slope < 10
  n = 203325 
  X=0, Y = 7.50 +/- 5.18 
  Weighted least-squares fit:  Y = 6.3 + 1.660 X  + 0.03487 X**2 
 
 
Number of samples 448524
Max dz = 900
Mean dz = 16
RMS dz = 35.4964786986
100cm = 97.7994488589 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