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ps4997
d:\northps\block456-14jan08\ps4997.txt
17 Jan 08 12:40:48 Thursday  elapsed time 00:09:08
Rectangular area = 0.876 km2
Data area = 0.874 km2
*percent double coverage = 99.794
**low-curvature dc area = 0.000 km2
1st-return RMSE, low-curvature areas = 0.339
95p = 0.573, 98p = 0.702, 99.5p = 0.731
BE RMSE = 3.570
95p = 7.136, 98p = 10.490, 99.5p = 16.353
1716394 unique returns and 0 duplicate returns
 
161429.934039 1423262.6 544251.42 1016.1 1 1 
161441.801268 1420270.09 543635.29 1848.82 1 1 
359.184962
161800.98623 1420272.0 544248.99 1634.11 2 1 
161816.760398 1423268.41 541256.03 1952.93 1 1 
1140.706497
162957.466895 1423269.4 544241.08 1024.97 1 1 
162972.372074 1420270.9 541255.6 2466.02 2 1 
335.061
163307.433074 1420272.03 541918.37 2330.79 1 1 
163321.03333 1423266.78 541252.04 1961.69 1 1 
 
855726 1st returns
860668 2nd returns
0 3rd returns
0 4th returns
75903 ground returns
0 blunders

curvature versus slope
  n = 318161 
  X=0, Y = 50.43 +/- 37.86 
  Weighted least-squares fit:  Y = 82.3 + 0.694 X  + -0.00686 X**2 
 
slope versus dZ, curvature < 5
  n = 4395 
 
  Weighted least-squares fit:  Y = 70.8 + -0.208 X  + 0.00342 X**2 
     at X = 100, Y = 84.2 
     effective RMSE xy = 71.6 
 
slope versus dZ, curvature < 15
  n = 16649 
 
  Weighted least-squares fit:  Y = 68.8 + -0.088 X  + 0.00277 X**2 
 
curvature versus dZ, slope < 10
  n = 878 
  X=0, Y = 72.53 +/- 13.71 
  Weighted least-squares fit:  Y = 71.5 + -1.171 X  + 0.29950 X**2 
 
 
Number of samples 323646
Max dz = 900
Mean dz = 101
RMS dz = 131.863565855
100cm = 60.0761325646 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