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x762y43
d:\lidarqa\consist_rithaiti\x762y43.txt
05 Aug 10 11:43:16 Thursday  elapsed time 00:23:04
Rectangular area = 0.752 km2
Data area = 0.697 km2
*percent double coverage = 70.220
**low-curvature dc area = 0.072 km2
1st-return RMSE, low-curvature areas = 0.125
95p = 0.275, 98p = 0.352, 99.5p = 0.492
BE RMSE = 0.331
95p = 0.657, 98p = 1.056, 99.5p = 1.756
3173176 unique returns and 1246 duplicate returns
 
143553.5226 763699.84 2044499.52 230.0 1 1 
143568.5866 762700.59 2044309.59 136.23 1 1 
721.282
144289.8686 762700.0 2044035.16 233.18 1 1 
144304.4178 763699.97 2044498.13 229.35 1 1 
557.7552
144862.173 763699.26 2044499.41 229.75 1 1 
144877.2088 762700.02 2043890.54 545.08 1 15 
171898.9296
316776.1384 762700.03 2043754.26 325.86 2 1 
316792.8184 763699.93 2044499.22 229.78 1 1 
 
2967612 1st returns
205564 2nd returns
0 3rd returns
0 4th returns
499982 ground returns
0 blunders

curvature versus slope
  n = 3725565 
  X=0, Y = 32.84 +/- 27.17 
  Weighted least-squares fit:  Y = 47.2 + 1.292 X  + -0.01057 X**2 
 
slope versus dZ, curvature < 5
  n = 107393 
 
  Weighted least-squares fit:  Y = 2.8 + 0.207 X  + 0.00007 X**2 
     at X = 100, Y = 24.2 
     effective RMSE xy = 37.8 
 
slope versus dZ, curvature < 15
  n = 493187 
  X=0, Y = 5.14 +/- 2.79 
  Weighted least-squares fit:  Y = 3.0 + 0.220 X  + 0.00009 X**2 
 
curvature versus dZ, slope < 10
  n = 521291 
  X=0, Y = 4.10 +/- 3.05 
  Weighted least-squares fit:  Y = 3.9 + 0.273 X  + -0.00314 X**2 
 
 
Number of samples 3792143
Max dz = 900
Mean dz = 574
RMS dz = 4391.5394795
100cm = 99.8745827887 percentile value of dz
Mean dz (curv<=5) = 164
RMS dz (curv<=5) = 2416.99565577

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