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x730y37
d:\lidarqa\consist_rithaiti\x730y37.txt
05 Aug 10 23:31:11 Thursday  elapsed time 00:10:20
Rectangular area = 0.517 km2
Data area = 0.480 km2
*percent double coverage = 48.491
**low-curvature dc area = 0.007 km2
1st-return RMSE, low-curvature areas = 0.043
95p = 0.083, 98p = 0.098, 99.5p = 0.119
BE RMSE = 0.150
95p = 0.270, 98p = 0.477, 99.5p = 0.879
1674190 unique returns and 0 duplicate returns
 
242954.8892 730700.09 2038262.04 177.21 1 1 
242968.8746 731699.93 2038492.7 198.82 1 1 
600.652
243569.5266 731699.9 2038489.63 193.91 1 1 
243583.4638 730700.24 2037991.32 217.82 1 1 
 
1568581 1st returns
105609 2nd returns
0 3rd returns
0 4th returns
230679 ground returns
0 blunders

curvature versus slope
  n = 669005 
  X=0, Y = 29.75 +/- 17.53 
  Weighted least-squares fit:  Y = 27.0 + 1.313 X  + -0.00825 X**2 
 
slope versus dZ, curvature < 5
  n = 8922 
 
  Weighted least-squares fit:  Y = 2.9 + 0.045 X  + 0.00107 X**2 
     at X = 100, Y = 18.1 
     effective RMSE xy = 28.1 
 
slope versus dZ, curvature < 15
  n = 41964 
 
  Weighted least-squares fit:  Y = 3.3 + 0.013 X  + 0.00181 X**2 
 
curvature versus dZ, slope < 10
  n = 41270 
  X=0, Y = 3.08 +/- 1.71 
  Weighted least-squares fit:  Y = 2.7 + 0.167 X  + 0.00089 X**2 
 
 
Number of samples 670217
Max dz = 900
Mean dz = 10
RMS dz = 19.4422220952
100cm = 99.7951409767 percentile value of dz
Mean dz (curv<=5) = 4
RMS dz (curv<=5) = 7.0

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