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x727y39
d:\lidarqa\consist_rithaiti\x727y39.txt
05 Aug 10 21:26:53 Thursday  elapsed time 00:24:37
Rectangular area = 1.001 km2
Data area = 1.000 km2
*percent double coverage = 84.778
**low-curvature dc area = 0.026 km2
1st-return RMSE, low-curvature areas = 0.054
95p = 0.098, 98p = 0.114, 99.5p = 0.140
BE RMSE = 0.181
95p = 0.338, 98p = 0.554, 99.5p = 0.989
4061953 unique returns and 0 duplicate returns
 
238667.985 728699.63 2040499.69 46.98 2 1 
238682.2696 727700.16 2040348.33 23.19 1 1 
271.743
238954.0126 727700.01 2039943.72 28.78 2 1 
238968.053 728699.98 2040495.1 58.81 1 1 
697.284
239665.337 728699.35 2040287.87 83.88 1 1 
239680.0024 727700.43 2039659.85 47.82 1 1 
277.6314
239957.6338 727700.02 2039500.3 43.47 1 1 
239970.6484 728699.97 2040028.91 44.68 1 1 
665.0588
240635.7072 728699.44 2039818.58 32.16 1 1 
240649.7186 727700.47 2039505.53 53.06 1 1 
286.3598
240936.0784 727700.03 2039505.61 48.17 1 1 
240950.4154 728699.98 2039556.12 40.47 1 2 
 
3742226 1st returns
319727 2nd returns
0 3rd returns
0 4th returns
330524 ground returns
0 blunders

curvature versus slope
  n = 2115831 
  X=0, Y = 25.03 +/- 17.69 
  Weighted least-squares fit:  Y = 20.9 + 1.576 X  + -0.01040 X**2 
 
slope versus dZ, curvature < 5
  n = 24533 
 
  Weighted least-squares fit:  Y = 4.5 + 0.036 X  + 0.00177 X**2 
     at X = 100, Y = 25.8 
     effective RMSE xy = 39.9 
 
slope versus dZ, curvature < 15
  n = 118531 
 
  Weighted least-squares fit:  Y = 4.5 + 0.050 X  + 0.00182 X**2 
 
curvature versus dZ, slope < 10
  n = 287808 
  X=0, Y = 5.04 +/- 2.09 
  Weighted least-squares fit:  Y = 4.9 + 0.105 X  + 0.00157 X**2 
 
 
Number of samples 2122868
Max dz = 900
Mean dz = 12
RMS dz = 21.9089023002
100cm = 99.6085955415 percentile value of dz
Mean dz (curv<=5) = 5
RMS dz (curv<=5) = 10.0498756211

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