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x723y37
d:\lidarqa\consist_rithaiti\x723y37.txt
05 Aug 10 16:37:36 Thursday  elapsed time 00:20:00
Rectangular area = 0.911 km2
Data area = 0.899 km2
*percent double coverage = 74.041
**low-curvature dc area = 0.029 km2
1st-return RMSE, low-curvature areas = 0.046
95p = 0.088, 98p = 0.110, 99.5p = 0.151
BE RMSE = 0.076
95p = 0.130, 98p = 0.195, 99.5p = 0.378
3134373 unique returns and 0 duplicate returns
 
241881.5334 723700.11 2038484.37 1.07 2 2 
241894.1804 724699.92 2038497.13 8.41 1 1 
756.6974
242650.8778 724699.67 2038488.31 2.63 1 1 
242664.4976 723700.0 2038102.77 12.97 1 1 
194.6402
242859.1378 723700.0 2037805.51 14.34 1 1 
242872.9834 724699.99 2038393.58 4.5 1 1 
790.921
243663.9044 724699.94 2037632.76 41.37 1 1 
243677.267 723700.12 2037769.96 29.57 1 1 
 
2886745 1st returns
247628 2nd returns
0 3rd returns
0 4th returns
189621 ground returns
0 blunders

curvature versus slope
  n = 2444978 
  X=0, Y = 14.56 +/- 11.90 
  Weighted least-squares fit:  Y = 14.2 + 1.255 X  + -0.00644 X**2 
 
slope versus dZ, curvature < 5
  n = 30946 
  X=0, Y = 5.39 +/- 2.88 
  Weighted least-squares fit:  Y = 3.3 + 0.150 X  + 0.00033 X**2 
     at X = 100, Y = 21.6 
     effective RMSE xy = 33.6 
 
slope versus dZ, curvature < 15
  n = 126745 
  X=0, Y = 4.16 +/- 2.39 
  Weighted least-squares fit:  Y = 3.5 + 0.128 X  + 0.00096 X**2 
 
curvature versus dZ, slope < 10
  n = 523955 
  X=0, Y = 4.62 +/- 3.16 
  Weighted least-squares fit:  Y = 4.1 + 0.135 X  + 0.00162 X**2 
 
 
Number of samples 2448940
Max dz = 900
Mean dz = 11
RMS dz = 22.0227155455
100cm = 99.805630191 percentile value of dz
Mean dz (curv<=5) = 4
RMS dz (curv<=5) = 17.691806013

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