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ps4381
d:\northps\block456-14jan08\ps4381.txt
17 Jan 08 00:39:33 Thursday  elapsed time 00:08:52
Rectangular area = 0.877 km2
Data area = 0.791 km2
*percent double coverage = 75.475
**low-curvature dc area = 0.071 km2
1st-return RMSE, low-curvature areas = 1.623
95p = 2.130, 98p = 2.217, 99.5p = 2.347
BE RMSE = 1.550
95p = 3.184, 98p = 4.708, 99.5p = 7.215
1976776 unique returns and 0 duplicate returns
 
64730.7235072 1210277.94 559251.09 14.35 1 1 
64744.2909929 1212582.98 557691.67 8.12 2 1 
210.99754
64955.2885329 1213263.08 556380.25 3.0 1 2 
64972.6820736 1210271.86 559249.55 12.29 2 1 
195114.886171
260087.568245 1210383.59 556252.03 5.1 1 2 
260103.359237 1211734.5 559251.95 140.56 1 1 
336.569551
260439.928788 1213202.08 559251.94 4.87 1 1 
260456.534754 1210961.82 556252.47 3.99 1 2 
612.193441
261068.728195 1212887.61 556253.4 4.44 1 2 
261084.009554 1213251.77 559251.33 4.57 1 1 
 
1333868 1st returns
615731 2nd returns
24606 3rd returns
2571 4th returns
225350 ground returns
0 blunders

curvature versus slope
  n = 1311279 
  X=0, Y = 14.27 +/- 11.36 
  Weighted least-squares fit:  Y = 22.1 + 4.025 X  + -0.04526 X**2 
 
slope versus dZ, curvature < 5
  n = 418689 
  X=0, Y = 52.04 +/- 15.93 
  Weighted least-squares fit:  Y = 41.7 + -0.009 X  + 0.00182 X**2 
     at X = 100, Y = 59.1 
     effective RMSE xy = 65.7 
 
slope versus dZ, curvature < 15
  n = 746289 
  X=0, Y = 51.50 +/- 16.22 
  Weighted least-squares fit:  Y = 39.8 + 0.113 X  + 0.00067 X**2 
 
curvature versus dZ, slope < 10
  n = 362164 
  X=0, Y = 44.90 +/- 22.71 
  Weighted least-squares fit:  Y = 42.4 + -1.216 X  + 0.08602 X**2 
 
 
Number of samples 1322378
Max dz = 900
Mean dz = 39
RMS dz = 53.2447180479
100cm = 96.6367407806 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