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ps3257
d:\northps\block456-14jan08\ps3257.txt
16 Jan 08 10:57:01 Wednesday  elapsed time 00:08:03
Rectangular area = 0.876 km2
Data area = 0.874 km2
*percent double coverage = 93.453
**low-curvature dc area = 0.189 km2
1st-return RMSE, low-curvature areas = 0.853
95p = 1.676, 98p = 1.985, 99.5p = 2.398
BE RMSE = 1.705
95p = 3.245, 98p = 4.922, 99.5p = 8.398
1959158 unique returns and 0 duplicate returns
 
326756.97798 1471268.89 592250.62 3566.61 2 2 
326771.647866 1468270.5 591167.84 4569.07 1 1 
752.593326
327524.241192 1468270.22 592220.09 4226.79 2 1 
327538.891169 1471269.56 589287.04 4291.71 2 1 
546.00759
328084.898759 1471269.49 590830.41 3946.88 2 1 
328099.936189 1468274.28 589254.74 4775.56 2 1 
 
976653 1st returns
982505 2nd returns
0 3rd returns
0 4th returns
543846 ground returns
0 blunders

curvature versus slope
  n = 649647 
  X=0, Y = 45.49 +/- 18.37 
  Weighted least-squares fit:  Y = 53.3 + 2.533 X  + -0.02920 X**2 
 
slope versus dZ, curvature < 5
  n = 365391 
 
  Weighted least-squares fit:  Y = 13.1 + 0.254 X  + 0.00182 X**2 
     at X = 100, Y = 56.7 
     effective RMSE xy = 86.7 
 
slope versus dZ, curvature < 15
  n = 546572 
 
  Weighted least-squares fit:  Y = 12.5 + 0.331 X  + 0.00137 X**2 
 
curvature versus dZ, slope < 10
  n = 6452 
  X=0, Y = 16.59 +/- 8.67 
  Weighted least-squares fit:  Y = 15.7 + 2.031 X  + -0.38578 X**2 
 
 
Number of samples 654439
Max dz = 900
Mean dz = 30
RMS dz = 45.0
100cm = 98.0477936064 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