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ps1669
d:\northps\block123-14dec07\ps1669.txt
15 Dec 07 04:56:11 Saturday  elapsed time 00:07:30
Rectangular area = 0.875 km2
Data area = 0.870 km2
*percent double coverage = 98.220
**low-curvature dc area = 0.010 km2
1st-return RMSE, low-curvature areas = 0.574
95p = 1.140, 98p = 1.420, 99.5p = 1.741
BE RMSE = 3.346
95p = 6.044, 98p = 9.671, 99.5p = 17.068
1947106 unique returns and 0 duplicate returns
 
258335.239375 1336271.3 649504.62 811.11 1 1 
258339.844547 1336276.14 650788.91 859.46 2 1 
5.57978100001
258345.424328 1336270.85 651969.54 967.21 1 1 
258346.726347 1336306.95 652251.97 1053.56 2 1 
980.732638
259327.458985 1337761.54 652251.38 1465.04 1 1 
259342.202582 1336272.17 649254.41 901.0 2 1 
634.070631
259976.273213 1336300.78 649252.51 891.69 2 1 
259991.080252 1339269.0 652251.36 1390.21 2 1 
976.968658
260968.04891 1339264.73 652251.48 1379.8 2 1 
260983.144913 1337090.25 649252.51 1031.15 2 1 
642.834837
261625.97975 1339265.59 649407.72 1191.59 2 2 
261631.760388 1339269.08 650739.46 1268.15 2 2 
 
970239 1st returns
976867 2nd returns
0 3rd returns
0 4th returns
203300 ground returns
0 blunders

curvature versus slope
  n = 429485 
  X=0, Y = 35.88 +/- 25.10 
  Weighted least-squares fit:  Y = 54.9 + 2.101 X  + -0.02305 X**2 
 
slope versus dZ, curvature < 5
  n = 59659 
 
  Weighted least-squares fit:  Y = 11.7 + 0.304 X  + 0.00156 X**2 
     at X = 100, Y = 57.6 
     effective RMSE xy = 88.6 
 
slope versus dZ, curvature < 15
  n = 160206 
 
  Weighted least-squares fit:  Y = 12.6 + 0.305 X  + 0.00183 X**2 
 
curvature versus dZ, slope < 10
  n = 19528 
  X=0, Y = 13.28 +/- 7.87 
  Weighted least-squares fit:  Y = 12.5 + 2.099 X  + -0.01626 X**2 
 
 
Number of samples 436934
Max dz = 900
Mean dz = 48
RMS dz = 87.4356906532
100cm = 87.6839522674 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