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ps3950
d:\northps\block123-14dec07\ps3950.txt
15 Dec 07 16:26:38 Saturday  elapsed time 00:09:52
Rectangular area = 0.875 km2
Data area = 0.872 km2
*percent double coverage = 86.622
**low-curvature dc area = 0.672 km2
1st-return RMSE, low-curvature areas = 0.391
95p = 0.795, 98p = 0.913, 99.5p = 1.058
BE RMSE = 0.280
95p = 0.404, 98p = 0.825, 99.5p = 1.775
1642663 unique returns and 0 duplicate returns
 
71301.697623 1241438.93 568252.09 4.71 1 2 
71315.7464544 1243248.16 571251.67 4.86 1 1 
530.9696644
71846.7161188 1240272.55 571252.01 5.03 1 2 
71862.0064195 1242820.21 568252.04 5.12 1 2 
877.6745715
72739.680991 1240270.85 568254.93 5.09 1 2 
72754.0752499 1240979.57 571251.9 9.29 1 1 
298742.141993
371496.217243 1243269.89 571250.1 4.27 1 2 
371510.780331 1241668.01 568252.07 3.99 1 2 
 
1642370 1st returns
291 2nd returns
2 3rd returns
0 4th returns
796894 ground returns
0 blunders

curvature versus slope
  n = 2665961 
  X=0, Y = 4.59 +/- 2.80 
  Weighted least-squares fit:  Y = 2.7 + 5.697 X  + -0.08067 X**2 
 
slope versus dZ, curvature < 5
  n = 2020709 
  X=0, Y = 5.64 +/- 5.85 
  Weighted least-squares fit:  Y = 10.9 + 0.337 X  + 0.00054 X**2 
     at X = 100, Y = 50.0 
     effective RMSE xy = 76.7 
 
slope versus dZ, curvature < 15
  n = 2544302 
  X=0, Y = 5.81 +/- 5.97 
  Weighted least-squares fit:  Y = 11.0 + 0.361 X  + 0.00057 X**2 
 
curvature versus dZ, slope < 10
  n = 2395683 
  X=0, Y = 11.74 +/- 8.66 
  Weighted least-squares fit:  Y = 11.6 + 1.393 X  + -0.03903 X**2 
 
 
Number of samples 2668065
Max dz = 500
Mean dz = 10
RMS dz = 15.2970585408
100cm = 99.9034131477 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