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x762y49
d:\lidarqa\consist_rithaiti\x762y49.txt
05 Aug 10 14:27:12 Thursday  elapsed time 00:35:30
Rectangular area = 1.001 km2
Data area = 0.997 km2
*percent double coverage = 99.078
**low-curvature dc area = 0.060 km2
1st-return RMSE, low-curvature areas = 0.064
95p = 0.129, 98p = 0.165, 99.5p = 0.199
BE RMSE = 0.216
95p = 0.310, 98p = 0.580, 99.5p = 1.266
5149888 unique returns and 1393 duplicate returns
 
236585.0762 762700.0 2050499.28 140.37 1 1 
236598.0926 763699.99 2050485.05 180.48 1 1 
1265.0102
237863.1028 763699.92 2049607.2 231.35 1 1 
237876.3924 762700.11 2050265.75 201.1 1 1 
73459.5786
311335.971 762700.01 2049503.72 142.67 1 2 
311350.4646 763699.99 2050398.72 208.26 2 1 
89478.7772
400829.2418 762700.03 2050495.9 136.91 1 1 
400841.946 763699.99 2050087.47 193.09 1 2 
 
4834978 1st returns
314910 2nd returns
0 3rd returns
0 4th returns
498676 ground returns
0 blunders

curvature versus slope
  n = 8738568 
  X=0, Y = 35.02 +/- 15.59 
  Weighted least-squares fit:  Y = 29.0 + 0.734 X  + -0.00042 X**2 
 
slope versus dZ, curvature < 5
  n = 71027 
 
  Weighted least-squares fit:  Y = 5.6 + -0.078 X  + 0.00217 X**2 
     at X = 100, Y = 19.5 
     effective RMSE xy = 29.3 
 
slope versus dZ, curvature < 15
  n = 416699 
 
  Weighted least-squares fit:  Y = 7.0 + -0.113 X  + 0.00263 X**2 
 
curvature versus dZ, slope < 10
  n = 226856 
  X=0, Y = 3.42 +/- 2.32 
  Weighted least-squares fit:  Y = 5.8 + 0.091 X  + 0.00097 X**2 
 
 
Number of samples 8746352
Max dz = 900
Mean dz = 9
RMS dz = 14.4568322948
100cm = 99.8936013552 percentile value of dz
Mean dz (curv<=5) = 4
RMS dz (curv<=5) = 6.32455532034

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