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x726y39
d:\lidarqa\consist_rithaiti\x726y39.txt
05 Aug 10 20:27:54 Thursday  elapsed time 00:24:37
Rectangular area = 1.001 km2
Data area = 1.000 km2
*percent double coverage = 78.750
**low-curvature dc area = 0.062 km2
1st-return RMSE, low-curvature areas = 0.042
95p = 0.083, 98p = 0.099, 99.5p = 0.120
BE RMSE = 0.132
95p = 0.235, 98p = 0.388, 99.5p = 0.707
3820847 unique returns and 0 duplicate returns
 
238682.1762 727699.48 2040498.84 52.64 1 2 
238696.4972 726700.39 2040292.6 20.47 1 1 
243.9098
238940.407 726700.02 2039898.18 32.5 2 1 
238954.433 727699.95 2040455.18 58.91 1 1 
724.8472
239679.2802 727699.47 2040190.64 33.45 1 1 
239693.662 726700.1 2039629.55 52.37 1 1 
251.4842
239945.1462 726700.06 2039502.78 47.76 1 1 
239958.141 727699.97 2039976.03 27.51 1 1 
691.3672
240649.5082 727699.84 2039742.38 42.38 1 1 
240663.4032 726700.12 2039500.27 47.88 1 1 
266.0174
240929.4206 727224.21 2039500.07 53.89 1 1 
240936.0816 727699.93 2039507.73 51.85 1 1 
 
3547391 1st returns
273456 2nd returns
0 3rd returns
0 4th returns
313451 ground returns
0 blunders

curvature versus slope
  n = 2988327 
  X=0, Y = 17.54 +/- 12.97 
  Weighted least-squares fit:  Y = 10.9 + 1.621 X  + -0.00964 X**2 
 
slope versus dZ, curvature < 5
  n = 45895 
 
  Weighted least-squares fit:  Y = 2.6 + 0.137 X  + 0.00066 X**2 
     at X = 100, Y = 22.9 
     effective RMSE xy = 35.8 
 
slope versus dZ, curvature < 15
  n = 217616 
 
  Weighted least-squares fit:  Y = 2.8 + 0.103 X  + 0.00134 X**2 
 
curvature versus dZ, slope < 10
  n = 946526 
  X=0, Y = 3.64 +/- 2.09 
  Weighted least-squares fit:  Y = 3.4 + 0.095 X  + 0.00253 X**2 
 
 
Number of samples 2992911
Max dz = 900
Mean dz = 8
RMS dz = 19.7484176581
100cm = 99.8295305139 percentile value of dz
Mean dz (curv<=5) = 3
RMS dz (curv<=5) = 8.24621125124

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