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x769y44
d:\lidarqa\consist_rithaiti\x769y44.txt
06 Aug 10 11:55:14 Friday  elapsed time 00:38:07
Rectangular area = 0.988 km2
Data area = 0.941 km2
*percent double coverage = 97.920
**low-curvature dc area = 0.025 km2
1st-return RMSE, low-curvature areas = 0.078
95p = 0.149, 98p = 0.246, 99.5p = 0.350
BE RMSE = 0.338
95p = 0.602, 98p = 1.015, 99.5p = 1.890
7253617 unique returns and 2275 duplicate returns
 
143095.4544 769700.0 2045256.62 214.61 1 1 
143109.93 770699.98 2045498.52 342.12 1 1 
335.5618
143445.4918 770699.68 2045499.45 342.33 1 1 
143461.859 769700.91 2045123.71 371.52 1 15 
921.5458
144383.4048 769700.0 2044863.48 264.65 1 1 
144397.648 770699.97 2045489.22 336.76 1 1 
355.2166
144752.8646 770699.35 2045320.21 264.3 1 1 
144772.003 769700.75 2044531.67 420.41 1 15 
172105.1114
316877.1144 769700.0 2044512.95 389.28 1 1 
316893.0198 770699.99 2045369.61 287.85 1 1 
 
5477375 1st returns
1776242 2nd returns
0 3rd returns
0 4th returns
547222 ground returns
0 blunders

curvature versus slope
  n = 3621397 
  X=0, Y = 37.10 +/- 28.83 
  Weighted least-squares fit:  Y = 38.4 + 1.518 X  + -0.01294 X**2 
 
slope versus dZ, curvature < 5
  n = 34507 
  X=0, Y = 1.58 +/- 0.58 
  Weighted least-squares fit:  Y = 3.8 + 0.111 X  + 0.00020 X**2 
     at X = 100, Y = 17.0 
     effective RMSE xy = 26.0 
 
slope versus dZ, curvature < 15
  n = 207686 
  X=0, Y = 2.70 +/- 2.03 
  Weighted least-squares fit:  Y = 4.1 + 0.111 X  + 0.00063 X**2 
 
curvature versus dZ, slope < 10
  n = 348481 
  X=0, Y = 4.73 +/- 2.99 
  Weighted least-squares fit:  Y = 4.5 + 0.131 X  + -0.00136 X**2 
 
 
Number of samples 3621439
Max dz = 900
Mean dz = 6516
RMS dz = 11998.7273909
100cm = 99.8728406029 percentile value of dz
Mean dz (curv<=5) = 947
RMS dz (curv<=5) = 4648.75563995

Number of survey units in 1 meter = 1
Nominal spot spacing (in survey units) = 0.75
Nominal pulse density (per m2) = 3.5
Difference cell size = 0.375
IsData cell size = 0.1875
IsData expand cells = 8
IsData shrink cells = 7
BE IsData cell size = 0.375
BE IsData expand cells = 24
BE IsData shrink cells = 24
MaxCurve = 106.6666666667
Curvature expand cells = 4
Curvature shrink cells = 3
Point density cell size = 3
Color critical value = 0.1
Hue jump at critical value = 90