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x769y45
d:\lidarqa\consist_rithaiti\x769y45.txt
06 Aug 10 12:18:29 Friday  elapsed time 00:22:58
Rectangular area = 0.836 km2
Data area = 0.780 km2
*percent double coverage = 65.325
**low-curvature dc area = 0.021 km2
1st-return RMSE, low-curvature areas = 0.106
95p = 0.192, 98p = 0.239, 99.5p = 0.374
BE RMSE = 0.220
95p = 0.450, 98p = 0.665, 99.5p = 1.040
3741112 unique returns and 0 duplicate returns
 
142207.832 770699.75 2046335.05 525.1 1 2 
142222.58 769700.15 2045590.43 446.37 1 1 
873.1862
143095.7662 769700.01 2045708.01 416.11 1 1 
143110.5074 770699.82 2046057.94 517.74 1 1 
334.002
143444.5094 770699.6 2045921.36 488.24 1 1 
143460.694 769700.26 2045500.37 451.01 1 1 
923.3544
144384.0484 769700.01 2045501.2 457.78 2 1 
144397.8084 770699.93 2045644.1 399.44 1 2 
 
3321039 1st returns
420073 2nd returns
0 3rd returns
0 4th returns
406193 ground returns
0 blunders

curvature versus slope
  n = 3762881 
  X=0, Y = 44.66 +/- 21.92 
  Weighted least-squares fit:  Y = 42.6 + 1.053 X  + -0.00686 X**2 
 
slope versus dZ, curvature < 5
  n = 27486 
 
  Weighted least-squares fit:  Y = 0.7 + 0.268 X  + -0.00023 X**2 
     at X = 100, Y = 25.3 
     effective RMSE xy = 39.7 
 
slope versus dZ, curvature < 15
  n = 182390 
 
  Weighted least-squares fit:  Y = 1.0 + 0.251 X  + 0.00029 X**2 
 
curvature versus dZ, slope < 10
  n = 124537 
  X=0, Y = 2.77 +/- 1.82 
  Weighted least-squares fit:  Y = 2.5 + 0.192 X  + -0.00079 X**2 
 
 
Number of samples 3834145
Max dz = 900
Mean dz = 254
RMS dz = 1741.90786209
100cm = 99.8980737557 percentile value of dz
Mean dz (curv<=5) = 23
RMS dz (curv<=5) = 388.542147006

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