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x725y39
d:\lidarqa\consist_rithaiti\x725y39.txt
05 Aug 10 19:16:51 Thursday  elapsed time 00:20:36
Rectangular area = 1.001 km2
Data area = 0.905 km2
*percent double coverage = 72.899
**low-curvature dc area = 0.038 km2
1st-return RMSE, low-curvature areas = 0.052
95p = 0.102, 98p = 0.120, 99.5p = 0.147
BE RMSE = 0.116
95p = 0.173, 98p = 0.286, 99.5p = 0.645
3162034 unique returns and 0 duplicate returns
 
238696.3496 726699.53 2040498.97 5.9 2 1 
238710.5482 725700.72 2040340.0 0.08 1 7 
216.096
238926.6442 725700.0 2039847.16 0.61 1 1 
238940.685 726699.94 2040436.52 9.49 1 1 
752.8608
239693.5458 726699.82 2040108.38 22.84 2 1 
239707.397 725700.47 2040103.18 -0.03 1 2 
225.092
239932.489 725700.03 2039505.06 13.88 1 1 
239945.53 726699.98 2039885.01 40.16 1 1 
717.7084
240663.2384 726699.83 2039687.01 41.2 1 2 
240677.0438 725700.83 2039500.76 14.34 1 1 
 
2893215 1st returns
268819 2nd returns
0 3rd returns
0 4th returns
240045 ground returns
0 blunders

curvature versus slope
  n = 1793727 
  X=0, Y = 15.38 +/- 11.93 
  Weighted least-squares fit:  Y = 9.8 + 1.731 X  + -0.01061 X**2 
 
slope versus dZ, curvature < 5
  n = 39070 
 
  Weighted least-squares fit:  Y = 4.1 + 0.103 X  + 0.00031 X**2 
     at X = 100, Y = 17.5 
     effective RMSE xy = 26.7 
 
slope versus dZ, curvature < 15
  n = 160761 
  X=0, Y = 3.08 +/- 2.60 
  Weighted least-squares fit:  Y = 4.1 + 0.065 X  + 0.00143 X**2 
 
curvature versus dZ, slope < 10
  n = 647428 
  X=0, Y = 5.23 +/- 3.33 
  Weighted least-squares fit:  Y = 4.4 + 0.030 X  + 0.00322 X**2 
 
 
Number of samples 1797221
Max dz = 900
Mean dz = 9
RMS dz = 22.7815714998
100cm = 99.7858360213 percentile value of dz
Mean dz (curv<=5) = 4
RMS dz (curv<=5) = 9.64365076099

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