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ps5271
d:\northps\block123-14dec07\ps5271.txt
26 Dec 07 12:51:33 Wednesday  elapsed time 00:06:00
Rectangular area = 0.875 km2
Data area = 0.873 km2
*percent double coverage = 48.939
**low-curvature dc area = 0.255 km2
1st-return RMSE, low-curvature areas = 0.570
95p = 1.087, 98p = 1.319, 99.5p = 1.639
BE RMSE = 0.275
95p = 0.517, 98p = 0.903, 99.5p = 1.549
1038149 unique returns and 0 duplicate returns
 
71127.5571479 1240271.58 532252.06 6.23 1 1 
71144.4095246 1243261.0 535251.99 3.95 1 2 
879.9778737
72024.3873983 1240569.95 535251.99 5.5 1 2 
72039.219918 1240363.02 532252.01 5.01 1 2 
 
1037836 1st returns
312 2nd returns
1 3rd returns
0 4th returns
534699 ground returns
0 blunders

curvature versus slope
  n = 700144 
  X=0, Y = 6.98 +/- 5.09 
  Weighted least-squares fit:  Y = 6.3 + 3.109 X  + 0.00457 X**2 
 
slope versus dZ, curvature < 5
  n = 379227 
  X=0, Y = 16.77 +/- 11.04 
  Weighted least-squares fit:  Y = 13.7 + 0.611 X  + 0.00009 X**2 
     at X = 100, Y = 75.7 
     effective RMSE xy = 117.0 
 
slope versus dZ, curvature < 15
  n = 611532 
  X=0, Y = 16.74 +/- 10.86 
  Weighted least-squares fit:  Y = 13.3 + 0.670 X  + -0.00082 X**2 
 
curvature versus dZ, slope < 10
  n = 530945 
  X=0, Y = 17.18 +/- 10.41 
  Weighted least-squares fit:  Y = 16.7 + 0.173 X  + 0.15583 X**2 
 
 
Number of samples 701617
Max dz = 900
Mean dz = 16
RMS dz = 21.9089023002
100cm = 99.7495784737 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