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x762y44
d:\lidarqa\consist_rithaiti\x762y44.txt
05 Aug 10 13:51:28 Thursday  elapsed time 00:16:35
Rectangular area = 0.471 km2
Data area = 0.426 km2
*percent double coverage = 96.152
**low-curvature dc area = 0.015 km2
1st-return RMSE, low-curvature areas = 0.186
95p = 0.391, 98p = 0.460, 99.5p = 0.543
BE RMSE = 0.544
95p = 0.950, 98p = 1.575, 99.5p = 2.931
2158750 unique returns and 1161 duplicate returns
 
142313.5352 762798.97 2044927.64 570.77 1 1 
142314.0414 762758.73 2044924.93 572.56 1 1 
681.0676
142995.109 762700.04 2044581.08 282.12 1 2 
143009.4022 763699.88 2044955.94 551.46 1 1 
543.0182
143552.4204 763699.54 2044965.4 557.71 1 1 
143568.0336 762700.19 2044500.94 215.24 1 1 
722.5012
144290.5348 762700.09 2044502.06 215.93 1 1 
144304.597 763699.99 2044820.77 440.55 1 2 
557.5156
144862.1126 763699.56 2044525.28 246.99 1 1 
144864.4114 763524.99 2044500.03 259.83 1 1 
171913.3626
316777.774 762700.0 2044503.23 216.36 1 1 
316793.04 763699.98 2044593.42 294.65 1 1 
 
2122972 1st returns
35778 2nd returns
0 3rd returns
0 4th returns
331206 ground returns
0 blunders

curvature versus slope
  n = 2818378 
  X=0, Y = 72.59 +/- 11.96 
  Weighted least-squares fit:  Y = 70.5 + 0.599 X  + -0.00443 X**2 
 
slope versus dZ, curvature < 5
  n = 19774 
 
  Weighted least-squares fit:  Y = -4.5 + 0.224 X  + 0.00152 X**2 
     at X = 100, Y = 33.2 
     effective RMSE xy = 51.6 
 
slope versus dZ, curvature < 15
  n = 130744 
 
  Weighted least-squares fit:  Y = 0.5 + 0.073 X  + 0.00260 X**2 
 
curvature versus dZ, slope < 10
  n = 30 
 
  Weighted least-squares fit:  Y = 7.9 + 0.081 X  + -0.00204 X**2 
 
 
Number of samples 2824059
Max dz = 300
Mean dz = 19
RMS dz = 25.6515106768
100cm = 99.7504655533 percentile value of dz
Mean dz (curv<=5) = 16
RMS dz (curv<=5) = 20.5182845287

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