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x768y44
d:\lidarqa\consist_rithaiti\x768y44.txt
06 Aug 10 10:57:46 Friday  elapsed time 00:33:31
Rectangular area = 1.001 km2
Data area = 0.995 km2
*percent double coverage = 76.860
**low-curvature dc area = 0.024 km2
1st-return RMSE, low-curvature areas = 2.989
95p = 0.162, 98p = 0.219, 99.5p = 0.280
BE RMSE = 0.606
95p = 0.982, 98p = 1.562, 99.5p = 2.805
5654499 unique returns and 1154 duplicate returns
 
143081.1656 768700.0 2045240.4 502.28 1 2 
143095.7642 769699.68 2045492.0 449.03 1 1 
364.9404
143460.7046 769699.89 2045498.83 450.65 1 1 
143477.164 768700.23 2045007.16 336.36 1 1 
891.6072
144368.7712 768700.0 2044640.83 250.77 1 2 
144384.1096 769699.95 2045476.55 550.0 1 15 
385.3634
144769.473 769692.25 2045216.37 215.54 1 1 
144787.9552 768730.32 2044512.04 569.45 1 15 
172075.0362
316862.9914 768700.09 2044501.0 360.87 1 1 
316878.9338 769699.99 2045278.05 215.48 1 1 
 
4390704 1st returns
1263795 2nd returns
0 3rd returns
0 4th returns
614806 ground returns
0 blunders

curvature versus slope
  n = 1468098 
  X=0, Y = 51.62 +/- 32.91 
  Weighted least-squares fit:  Y = 58.3 + 0.933 X  + -0.00767 X**2 
 
slope versus dZ, curvature < 5
  n = 20469 
 
  Weighted least-squares fit:  Y = 6.2 + 0.137 X  + 0.00021 X**2 
     at X = 100, Y = 22.0 
     effective RMSE xy = 33.2 
 
slope versus dZ, curvature < 15
  n = 85915 
  X=0, Y = 5.39 +/- 2.88 
  Weighted least-squares fit:  Y = 6.4 + 0.104 X  + 0.00096 X**2 
 
curvature versus dZ, slope < 10
  n = 45263 
  X=0, Y = 7.66 +/- 3.86 
  Weighted least-squares fit:  Y = 6.9 + 0.139 X  + -0.00163 X**2 
 
 
Number of samples 1475853
Max dz = 900
Mean dz = 6226
RMS dz = 11442.9587083
100cm = 99.238880837 percentile value of dz
Mean dz (curv<=5) = 1170
RMS dz (curv<=5) = 5434.7421282

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