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ps3986
d:\northps\block123-14dec07\ps3986.txt
15 Dec 07 16:48:08 Saturday  elapsed time 00:06:15
Rectangular area = 0.875 km2
Data area = 0.874 km2
*percent double coverage = 70.338
**low-curvature dc area = 0.001 km2
1st-return RMSE, low-curvature areas = 0.497
95p = 0.829, 98p = 0.908, 99.5p = 0.968
BE RMSE = 1.364
95p = 2.483, 98p = 3.625, 99.5p = 6.397
1480942 unique returns and 0 duplicate returns
 
178819.786116 1348271.29 571239.09 611.37 1 1 
178834.339573 1351269.28 568264.21 585.79 1 1 
841.592926
179675.932499 1351269.95 571209.77 963.43 2 2 
179688.724367 1348270.58 569645.1 674.26 2 1 
641.670447
180330.394814 1348270.45 571249.16 615.09 1 1 
180344.455645 1351269.15 570597.98 831.92 1 1 
 
738749 1st returns
742193 2nd returns
0 3rd returns
0 4th returns
84264 ground returns
0 blunders

curvature versus slope
  n = 422659 
  X=0, Y = 30.42 +/- 26.28 
  Weighted least-squares fit:  Y = 68.9 + 1.328 X  + -0.01360 X**2 
 
slope versus dZ, curvature < 5
  n = 10920 
 
  Weighted least-squares fit:  Y = 18.6 + 0.352 X  + 0.00215 X**2 
     at X = 100, Y = 75.3 
     effective RMSE xy = 114.6 
 
slope versus dZ, curvature < 15
  n = 33788 
 
  Weighted least-squares fit:  Y = 18.4 + 0.534 X  + 0.00050 X**2 
 
curvature versus dZ, slope < 10
  n = 6280 
  X=0, Y = 19.93 +/- 9.22 
  Weighted least-squares fit:  Y = 22.4 + 0.642 X  + 0.04301 X**2 
 
 
Number of samples 425552
Max dz = 900
Mean dz = 75
RMS dz = 104.79503805
100cm = 73.2881058014 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