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ps4109
d:\northps\block456-14jan08\ps4109.txt
16 Jan 08 20:35:13 Wednesday  elapsed time 00:12:41
Rectangular area = 0.877 km2
Data area = 0.874 km2
*percent double coverage = 99.928
**low-curvature dc area = 0.009 km2
1st-return RMSE, low-curvature areas = 0.945
95p = 1.481, 98p = 1.716, 99.5p = 2.196
BE RMSE = 1.442
95p = 2.906, 98p = 3.932, 99.5p = 5.765
3031380 unique returns and 0 duplicate returns
 
84325.8682686 1378273.14 568190.99 517.4 2 1 
84338.8219164 1381269.89 565353.7 734.14 1 1 
532.2579744
84871.0798908 1381269.94 565262.79 703.17 1 1 
84883.99807 1378270.04 565278.64 589.5 2 1 
94070.731105
178954.729175 1378271.25 568243.51 519.63 2 1 
178969.571196 1381269.82 566544.67 837.69 1 1 
575.520475
179545.091671 1381266.2 568192.82 548.76 2 1 
179559.154802 1378270.85 568179.67 564.62 2 1 
241209.08307
420768.237872 1378270.03 566363.48 648.11 1 1 
420781.509535 1381266.28 565256.19 680.44 2 1 
495.880199
421277.389734 1381269.62 568217.38 552.23 2 2 
421289.243042 1378270.06 565477.04 579.91 1 1 
 
1511165 1st returns
1520215 2nd returns
0 3rd returns
0 4th returns
174187 ground returns
0 blunders

curvature versus slope
  n = 2066740 
  X=0, Y = 19.24 +/- 15.86 
  Weighted least-squares fit:  Y = 46.8 + 2.612 X  + -0.02794 X**2 
 
slope versus dZ, curvature < 5
  n = 93743 
 
  Weighted least-squares fit:  Y = 28.3 + 0.532 X  + -0.00196 X**2 
     at X = 100, Y = 61.8 
     effective RMSE xy = 86.3 
 
slope versus dZ, curvature < 15
  n = 371393 
 
  Weighted least-squares fit:  Y = 32.9 + 0.353 X  + -0.00039 X**2 
 
curvature versus dZ, slope < 10
  n = 48713 
  X=0, Y = 28.72 +/- 19.05 
  Weighted least-squares fit:  Y = 28.3 + 5.311 X  + -0.36893 X**2 
 
 
Number of samples 2088355
Max dz = 800
Mean dz = 56
RMS dz = 77.0194780559
100cm = 84.4660989152 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