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ps2871
d:\northps\block123-14dec07\ps2871.txt
08 Jan 08 16:03:54 Tuesday  elapsed time 00:04:31
Rectangular area = 0.875 km2
Data area = 0.772 km2
*percent double coverage = 33.406
**low-curvature dc area = 0.001 km2
1st-return RMSE, low-curvature areas = 0.402
95p = 0.711, 98p = 1.104, 99.5p = 1.403
BE RMSE = 3.549
95p = 7.244, 98p = 9.816, 99.5p = 14.639
1024984 unique returns and 0 duplicate returns
 
371090.373193 1245384.45 598252.17 70.11 1 1 
371104.908693 1246268.14 601251.38 1323.56 1 1 
250.465879
371355.374572 1246024.4 601251.95 1201.98 1 2 
371370.614763 1243282.44 598253.92 7.38 1 2 
 
909717 1st returns
109235 2nd returns
5955 3rd returns
77 4th returns
90197 ground returns
0 blunders

curvature versus slope
  n = 62966 
  X=0, Y = 26.39 +/- 24.52 
  Weighted least-squares fit:  Y = 60.0 + 1.683 X  + -0.01735 X**2 
 
slope versus dZ, curvature < 5
  n = 5106 
  X=0, Y = 10.21 +/- 7.59 
  Weighted least-squares fit:  Y = 8.4 + 0.759 X  + -0.00061 X**2 
     at X = 100, Y = 78.3 
     effective RMSE xy = 122.2 
 
slope versus dZ, curvature < 15
  n = 11098 
  X=0, Y = 10.21 +/- 7.59 
  Weighted least-squares fit:  Y = 8.4 + 0.812 X  + -0.00055 X**2 
 
curvature versus dZ, slope < 10
  n = 3503 
  X=0, Y = 12.05 +/- 7.10 
  Weighted least-squares fit:  Y = 11.3 + 1.799 X  + 0.04370 X**2 
 
 
Number of samples 63875
Max dz = 900
Mean dz = 76
RMS dz = 123.975804091
100cm = 74.5643835616 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