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ps4933
d:\northps\block456-14jan08\ps4933.txt
17 Jan 08 09:38:03 Thursday  elapsed time 00:07:15
Rectangular area = 0.875 km2
Data area = 0.873 km2
*percent double coverage = 29.715
**low-curvature dc area = 0.003 km2
1st-return RMSE, low-curvature areas = 0.324
95p = 0.599, 98p = 0.690, 99.5p = 0.811
BE RMSE = 3.448
95p = 6.811, 98p = 7.813, 99.5p = 8.719
1558634 unique returns and 0 duplicate returns
 
259457.548253 1209354.18 544251.89 344.1 1 10 
259473.464046 1207277.89 541253.78 962.72 1 1 
537.538916
260011.002962 1210212.23 541252.65 421.72 2 1 
260027.054424 1210251.37 544251.95 417.14 1 1 
 
1079484 1st returns
378299 2nd returns
89478 3rd returns
11373 4th returns
77255 ground returns
0 blunders

curvature versus slope
  n = 82341 
  X=0, Y = 20.69 +/- 16.05 
  Weighted least-squares fit:  Y = 51.0 + 2.163 X  + -0.02278 X**2 
 
slope versus dZ, curvature < 5
  n = 9737 
 
  Weighted least-squares fit:  Y = 7.2 + 0.349 X  + -0.00025 X**2 
     at X = 100, Y = 39.6 
     effective RMSE xy = 61.1 
 
slope versus dZ, curvature < 15
  n = 16231 
 
  Weighted least-squares fit:  Y = 7.4 + 0.359 X  + 0.00068 X**2 
 
curvature versus dZ, slope < 10
  n = 4882 
  X=0, Y = 10.48 +/- 5.36 
  Weighted least-squares fit:  Y = 10.4 + -0.020 X  + 0.22331 X**2 
 
 
Number of samples 82730
Max dz = 900
Mean dz = 52
RMS dz = 117.511701545
100cm = 86.9563640759 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