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x728y40
d:\lidarqa\consist_rithaiti\x728y40.txt
05 Aug 10 22:15:21 Thursday  elapsed time 00:04:42
Rectangular area = 0.493 km2
Data area = 0.216 km2
*percent double coverage = 25.397
**low-curvature dc area = 0.000 km2
1st-return RMSE, low-curvature areas = 0.090
95p = 0.178, 98p = 0.207, 99.5p = 0.260
BE RMSE = 0.518
95p = 0.886, 98p = 1.736, 99.5p = 3.218
407120 unique returns and 0 duplicate returns
 
238653.5766 729699.31 2040884.24 0.0 1 7 
238667.9724 728700.56 2040500.13 49.07 1 1 
300.0808
238968.0532 728700.0 2040514.21 36.9 1 1 
238981.5568 729699.2 2040500.06 49.33 1 1 
 
394925 1st returns
12195 2nd returns
0 3rd returns
0 4th returns
81053 ground returns
0 blunders

curvature versus slope
  n = 193939 
  X=0, Y = 54.37 +/- 34.97 
  Weighted least-squares fit:  Y = 64.6 + 0.326 X  + -0.00020 X**2 
 
slope versus dZ, curvature < 5
  n = 1374 
 
  Weighted least-squares fit:  Y = 8.2 + 0.061 X  + 0.00055 X**2 
     at X = 100, Y = 19.8 
     effective RMSE xy = 28.3 
 
slope versus dZ, curvature < 15
  n = 5535 
 
  Weighted least-squares fit:  Y = 9.2 + 0.027 X  + 0.00100 X**2 
 
curvature versus dZ, slope < 10
  n = 2958 
  X=0, Y = 10.35 +/- 6.79 
  Weighted least-squares fit:  Y = 9.5 + 0.039 X  + -0.00187 X**2 
 
 
Number of samples 194280
Max dz = 900
Mean dz = 16
RMS dz = 21.8632111091
100cm = 99.7966851966 percentile value of dz
Mean dz (curv<=5) = 12
RMS dz (curv<=5) = 14.9666295471

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