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x761y17
d:\lidarqa\consist_rithaiti\x761y17.txt
05 Aug 10 12:36:25 Thursday  elapsed time 00:25:13
Rectangular area = 1.000 km2
Data area = 1.000 km2
*percent double coverage = 51.870
**low-curvature dc area = 0.105 km2
1st-return RMSE, low-curvature areas = 0.040
95p = 0.079, 98p = 0.094, 99.5p = 0.120
BE RMSE = 0.055
95p = 0.107, 98p = 0.154, 99.5p = 0.246
3999643 unique returns and 0 duplicate returns
 
312922.6472 762628.87 2018499.82 45.92 1 2 
312937.6588 762699.99 2017500.67 46.96 1 1 
205.7116
313143.3704 762323.57 2017500.03 51.22 1 2 
313156.9246 762698.43 2018499.85 53.66 1 1 
205.9984
313362.923 762000.45 2018499.99 47.11 1 1 
313378.7114 762501.31 2017500.51 43.64 1 1 
224.723
313603.4344 762093.73 2017500.0 60.74 1 2 
313617.3466 762130.5 2018499.96 45.89 1 1 
553.359
314170.7056 761700.29 2018499.73 41.45 1 1 
314185.291 761855.76 2017500.62 67.16 1 1 
 
3792282 1st returns
207361 2nd returns
0 3rd returns
0 4th returns
941396 ground returns
0 blunders

curvature versus slope
  n = 1984982 
  X=0, Y = 10.11 +/- 8.92 
  Weighted least-squares fit:  Y = 7.6 + 1.375 X  + -0.00626 X**2 
 
slope versus dZ, curvature < 5
  n = 131307 
  X=0, Y = 3.25 +/- 2.34 
  Weighted least-squares fit:  Y = 2.2 + 0.202 X  + -0.00102 X**2 
     at X = 100, Y = 12.2 
     effective RMSE xy = 18.9 
 
slope versus dZ, curvature < 15
  n = 481129 
  X=0, Y = 3.21 +/- 2.16 
  Weighted least-squares fit:  Y = 2.8 + 0.110 X  + 0.00091 X**2 
 
curvature versus dZ, slope < 10
  n = 1079762 
  X=0, Y = 3.11 +/- 2.24 
  Weighted least-squares fit:  Y = 3.0 + 0.148 X  + 0.00096 X**2 
 
 
Number of samples 1987224
Max dz = 900
Mean dz = 6
RMS dz = 17.0587221092
100cm = 99.8814929771 percentile value of dz
Mean dz (curv<=5) = 2
RMS dz (curv<=5) = 5.29150262213

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