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ps1801
d:\northps\block123-14dec07\ps1801.txt
15 Dec 07 06:06:20 Saturday  elapsed time 00:08:18
Rectangular area = 0.875 km2
Data area = 0.874 km2
*percent double coverage = 99.931
**low-curvature dc area = 0.001 km2
1st-return RMSE, low-curvature areas = 2.468
95p = 3.173, 98p = 3.518, 99.5p = 3.756
BE RMSE = 1.877
95p = 3.565, 98p = 4.938, 99.5p = 8.586
2229357 unique returns and 0 duplicate returns
 
253208.724064 1318954.95 640253.09 1384.59 2 1 
253221.318106 1321268.51 643250.72 1764.13 2 1 
1043.884536
254265.202642 1321264.8 643251.94 1726.66 2 1 
254278.614502 1320324.6 640252.39 1615.1 2 1 
159632.308377
413910.922879 1318279.71 640254.32 1227.01 1 1 
413926.950549 1321267.12 643251.42 1746.02 1 1 
1071.00004
414997.950589 1319825.09 643251.7 1716.02 1 1 
415012.393668 1318275.83 640253.05 1225.8 1 1 
573.830966
415586.224634 1318270.53 642986.62 1243.84 1 1 
415587.501615 1318306.05 643251.37 1338.84 2 1 
 
1109993 1st returns
1119364 2nd returns
0 3rd returns
0 4th returns
124685 ground returns
0 blunders

curvature versus slope
  n = 464454 
  X=0, Y = 33.11 +/- 26.29 
  Weighted least-squares fit:  Y = 67.0 + 1.384 X  + -0.01427 X**2 
 
slope versus dZ, curvature < 5
  n = 13023 
 
  Weighted least-squares fit:  Y = 71.4 + 0.062 X  + 0.00147 X**2 
     at X = 100, Y = 92.3 
     effective RMSE xy = 92.0 
 
slope versus dZ, curvature < 15
  n = 37282 
 
  Weighted least-squares fit:  Y = 69.4 + 0.126 X  + 0.00149 X**2 
 
curvature versus dZ, slope < 10
  n = 4299 
  X=0, Y = 72.94 +/- 24.37 
  Weighted least-squares fit:  Y = 69.7 + 1.336 X  + -0.06122 X**2 
 
 
Number of samples 469365
Max dz = 900
Mean dz = 93
RMS dz = 122.686592585
100cm = 63.02280741 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