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ps0925
d:\northps\block123-14dec07\ps0925.txt
14 Dec 07 21:35:31 Friday  elapsed time 00:10:10
Rectangular area = 0.875 km2
Data area = 0.874 km2
*percent double coverage = 99.484
**low-curvature dc area = 0.001 km2
1st-return RMSE, low-curvature areas = 0.254
95p = 0.492, 98p = 0.581, 99.5p = 0.725
BE RMSE = 2.059
95p = 4.015, 98p = 6.095, 99.5p = 10.378
2778756 unique returns and 0 duplicate returns
 
417566.916648 1317732.79 694252.3 1326.94 2 1 
417580.356177 1318265.65 697247.31 1667.2 1 1 
679.189474
418259.545651 1318265.27 697250.04 1625.34 2 1 
418275.419498 1315279.75 694252.52 1720.91 2 1 
1052.342497
419327.761995 1315290.64 694252.08 1736.64 2 1 
419342.169382 1318135.92 697251.86 1641.29 2 1 
618.931829
419961.101211 1318078.12 697247.82 1560.57 2 1 
419976.959839 1315290.6 694252.97 1739.62 2 1 
812.567706
420789.527545 1315691.9 697250.81 1386.98 2 1 
420803.892809 1315273.19 694256.02 1727.5 1 1 
 
1384033 1st returns
1394723 2nd returns
0 3rd returns
0 4th returns
140710 ground returns
0 blunders

curvature versus slope
  n = 582302 
  X=0, Y = 24.82 +/- 19.63 
  Weighted least-squares fit:  Y = 65.2 + 1.586 X  + -0.01644 X**2 
 
slope versus dZ, curvature < 5
  n = 14583 
 
  Weighted least-squares fit:  Y = 8.1 + 0.224 X  + 0.00121 X**2 
     at X = 100, Y = 42.6 
     effective RMSE xy = 65.6 
 
slope versus dZ, curvature < 15
  n = 37719 
 
  Weighted least-squares fit:  Y = 7.1 + 0.404 X  + 0.00047 X**2 
 
curvature versus dZ, slope < 10
  n = 7028 
  X=0, Y = 9.81 +/- 6.63 
  Weighted least-squares fit:  Y = 10.1 + -0.382 X  + 0.27260 X**2 
 
 
Number of samples 593828
Max dz = 900
Mean dz = 62
RMS dz = 90.0499861188
100cm = 79.8556147571 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