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x761y20
d:\lidarqa\consist_rithaiti\x761y20.txt
05 Aug 10 13:34:42 Thursday  elapsed time 00:05:25
Rectangular area = 0.212 km2
Data area = 0.154 km2
*percent double coverage = 20.695
**low-curvature dc area = 0.003 km2
1st-return RMSE, low-curvature areas = 0.032
95p = 0.064, 98p = 0.079, 99.5p = 0.104
BE RMSE = 0.146
95p = 0.225, 98p = 0.361, 99.5p = 0.627
517443 unique returns and 0 duplicate returns
 
312890.0018 762689.05 2020706.12 104.15 1 2 
312893.0396 762699.92 2020500.23 66.58 1 2 
291.2008
313184.2404 762308.68 2020500.07 53.03 2 1 
313185.4306 762699.96 2020583.64 76.41 1 2 
144.5696
313330.0002 761949.09 2020668.68 60.25 1 1 
313333.1778 762406.31 2020500.04 58.53 1 2 
311.8412
313645.019 761729.4 2020500.0 37.92 1 2 
313645.5122 761701.92 2020538.11 44.9 1 1 
494.4878
314140.0 761736.26 2020689.94 77.91 1 1 
314142.698 761716.53 2020500.02 42.21 1 1 
 
486162 1st returns
31281 2nd returns
0 3rd returns
0 4th returns
110736 ground returns
0 blunders

curvature versus slope
  n = 116036 
  X=0, Y = 12.92 +/- 10.10 
  Weighted least-squares fit:  Y = 10.1 + 1.408 X  + -0.00709 X**2 
 
slope versus dZ, curvature < 5
  n = 3309 
 
  Weighted least-squares fit:  Y = 2.3 + 0.117 X  + -0.00031 X**2 
     at X = 100, Y = 11.0 
     effective RMSE xy = 16.9 
 
slope versus dZ, curvature < 15
  n = 14638 
  X=0, Y = 1.31 +/- 0.71 
  Weighted least-squares fit:  Y = 1.7 + 0.218 X  + -0.00146 X**2 
 
curvature versus dZ, slope < 10
  n = 44455 
  X=0, Y = 2.74 +/- 1.96 
  Weighted least-squares fit:  Y = 2.7 + 0.162 X  + 0.00115 X**2 
 
 
Number of samples 116159
Max dz = 900
Mean dz = 7
RMS dz = 16.4924225025
100cm = 99.8863626581 percentile value of dz
Mean dz (curv<=5) = 2
RMS dz (curv<=5) = 7.93725393319

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