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x771y45
d:\lidarqa\consist_rithaiti\x771y45.txt
06 Aug 10 14:15:21 Friday  elapsed time 00:29:42
Rectangular area = 1.001 km2
Data area = 0.990 km2
*percent double coverage = 74.638
**low-curvature dc area = 0.050 km2
1st-return RMSE, low-curvature areas = 0.120
95p = 0.252, 98p = 0.314, 99.5p = 0.374
BE RMSE = 0.205
95p = 0.362, 98p = 0.549, 99.5p = 1.022
4718333 unique returns and 333 duplicate returns
 
142180.3914 772699.41 2046499.45 384.22 1 1 
142196.1166 771700.48 2045804.71 498.06 1 1 
928.1588
143124.2754 771700.02 2045516.7 427.61 1 2 
143138.9224 772699.98 2046278.05 424.73 1 1 
275.7494
143414.6718 772699.87 2046129.2 438.94 1 1 
143430.9058 771700.59 2045500.4 425.74 1 1 
981.1534
144412.0592 771700.06 2045508.64 426.29 1 1 
144427.0946 772699.99 2045824.26 534.94 1 1 
292.2742
144719.3688 772699.99 2045503.29 331.84 1 1 
144721.9908 772562.05 2045500.08 339.56 1 1 
172194.9916
316916.9824 772403.3 2045500.0 358.13 1 1 
316921.2714 772699.99 2045522.49 350.92 1 1 
 
4528803 1st returns
189530 2nd returns
0 3rd returns
0 4th returns
567975 ground returns
0 blunders

curvature versus slope
  n = 6519441 
  X=0, Y = 39.19 +/- 20.33 
  Weighted least-squares fit:  Y = 40.5 + 0.970 X  + -0.00530 X**2 
 
slope versus dZ, curvature < 5
  n = 63070 
  X=0, Y = 5.69 +/- 0.52 
  Weighted least-squares fit:  Y = 3.3 + 0.315 X  + -0.00166 X**2 
     at X = 100, Y = 18.2 
     effective RMSE xy = 28.1 
 
slope versus dZ, curvature < 15
  n = 426124 
  X=0, Y = 5.27 +/- 1.46 
  Weighted least-squares fit:  Y = 3.2 + 0.310 X  + -0.00139 X**2 
 
curvature versus dZ, slope < 10
  n = 113034 
  X=0, Y = 4.99 +/- 2.60 
  Weighted least-squares fit:  Y = 4.8 + 0.122 X  + 0.00020 X**2 
 
 
Number of samples 6522997
Max dz = 900
Mean dz = 13
RMS dz = 18.2756668825
100cm = 99.9308140108 percentile value of dz
Mean dz (curv<=5) = 9
RMS dz (curv<=5) = 12.5299640861

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