==================================================
ps3688
d:\northps\block456-14jan08\ps3688.txt
16 Jan 08 17:00:49 Wednesday  elapsed time 00:07:13
Rectangular area = 0.875 km2
Data area = 0.874 km2
*percent double coverage = 82.662
**low-curvature dc area = 0.020 km2
1st-return RMSE, low-curvature areas = 1.354
95p = 2.252, 98p = 2.511, 99.5p = 2.907
BE RMSE = 2.675
95p = 5.097, 98p = 7.260, 99.5p = 12.312
1810623 unique returns and 0 duplicate returns
 
343599.893129 1478829.34 580250.98 2783.85 2 2 
343606.02629 1480112.39 580249.98 2906.22 1 1 
737.865809
344343.892099 1480269.89 580241.19 3068.85 2 1 
344357.515495 1477270.07 578898.8 2990.92 2 1 
912.241693
345269.757188 1477276.74 580128.58 3291.5 2 1 
345284.807068 1480269.86 577272.55 4169.02 2 1 
672.041639
345956.848707 1480269.8 578336.17 3608.96 2 2 
345970.317803 1477271.05 577253.95 2908.53 2 2 
 
898365 1st returns
912258 2nd returns
0 3rd returns
0 4th returns
196537 ground returns
0 blunders

curvature versus slope
  n = 134725 
  X=0, Y = 58.45 +/- 21.39 
  Weighted least-squares fit:  Y = 64.9 + 1.625 X  + -0.01741 X**2 
 
slope versus dZ, curvature < 5
  n = 45562 
 
  Weighted least-squares fit:  Y = 7.5 + 0.665 X  + -0.00087 X**2 
     at X = 100, Y = 65.3 
     effective RMSE xy = 101.9 
 
slope versus dZ, curvature < 15
  n = 88316 
 
  Weighted least-squares fit:  Y = 10.0 + 0.604 X  + -0.00011 X**2 
 
curvature versus dZ, slope < 10
  n = 788 
  X=0, Y = 11.30 +/- 7.23 
  Weighted least-squares fit:  Y = 11.3 + 4.045 X  + -0.31838 X**2 
 
 
Number of samples 135871
Max dz = 900
Mean dz = 53
RMS dz = 102.985435864
100cm = 91.6744559177 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