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x722y37
d:\lidarqa\consist_rithaiti\x722y37.txt
05 Aug 10 15:59:28 Thursday  elapsed time 00:07:04
Rectangular area = 0.231 km2
Data area = 0.182 km2
*percent double coverage = 45.839
**low-curvature dc area = 0.013 km2
1st-return RMSE, low-curvature areas = 0.042
95p = 0.079, 98p = 0.092, 99.5p = 0.112
BE RMSE = 0.049
95p = 0.102, 98p = 0.135, 99.5p = 0.189
514546 unique returns and 0 duplicate returns
 
241879.0 723495.26 2038437.1 2.1 1 2 
241881.5402 723699.97 2038450.11 9.89 1 1 
782.8372
242664.3774 723699.75 2038498.18 12.84 1 1 
242666.2386 723572.46 2038112.19 9.11 1 1 
189.7614
242856.0 723445.28 2038354.77 4.29 1 2 
242859.3954 723699.98 2038365.57 2.79 1 1 
817.8396
243677.235 723699.97 2038117.42 7.89 2 1 
243678.4166 723618.59 2037601.43 31.12 1 1 
 
484950 1st returns
29596 2nd returns
0 3rd returns
0 4th returns
45765 ground returns
0 blunders

curvature versus slope
  n = 458589 
  X=0, Y = 12.01 +/- 7.58 
  Weighted least-squares fit:  Y = 7.1 + 1.073 X  + -0.00201 X**2 
 
slope versus dZ, curvature < 5
  n = 7430 
 
  Weighted least-squares fit:  Y = 4.0 + -0.020 X  + 0.00325 X**2 
     at X = 100, Y = 34.5 
     effective RMSE xy = 53.8 
 
slope versus dZ, curvature < 15
  n = 38741 
 
  Weighted least-squares fit:  Y = 3.4 + 0.124 X  + 0.00022 X**2 
 
curvature versus dZ, slope < 10
  n = 212190 
  X=0, Y = 3.69 +/- 2.07 
  Weighted least-squares fit:  Y = 3.4 + 0.251 X  + -0.00183 X**2 
 
 
Number of samples 458871
Max dz = 600
Mean dz = 7
RMS dz = 12.3288280059
100cm = 99.9245975448 percentile value of dz
Mean dz (curv<=5) = 3
RMS dz (curv<=5) = 4.472135955

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