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x770y44
d:\lidarqa\consist_rithaiti\x770y44.txt
06 Aug 10 12:50:15 Friday  elapsed time 00:31:31
Rectangular area = 0.897 km2
Data area = 0.861 km2
*percent double coverage = 96.849
**low-curvature dc area = 0.119 km2
1st-return RMSE, low-curvature areas = 0.094
95p = 0.215, 98p = 0.295, 99.5p = 0.390
BE RMSE = 0.435
95p = 0.779, 98p = 1.290, 99.5p = 2.336
5169046 unique returns and 2009 duplicate returns
 
143109.7838 770700.19 2045369.12 294.48 1 1 
143123.5644 771649.68 2045499.99 436.2 1 1 
307.3554
143430.9198 771699.54 2045499.8 423.77 1 1 
143446.168 770700.53 2045218.66 233.21 1 1 
951.0988
144397.2668 770700.01 2044962.64 237.24 1 1 
144412.0392 771699.8 2045493.59 423.99 1 1 
323.915
144735.9542 771699.19 2045394.02 375.02 1 2 
144755.192 770700.04 2044605.37 395.11 1 2 
172136.1294
316891.3214 770700.01 2044634.35 373.86 1 2 
316906.9624 771699.98 2045438.87 395.69 1 1 
 
4753406 1st returns
415640 2nd returns
0 3rd returns
0 4th returns
569877 ground returns
0 blunders

curvature versus slope
  n = 4573445 
  X=0, Y = 26.25 +/- 23.39 
  Weighted least-squares fit:  Y = 34.2 + 1.586 X  + -0.01281 X**2 
 
slope versus dZ, curvature < 5
  n = 131667 
  X=0, Y = 4.71 +/- 1.92 
  Weighted least-squares fit:  Y = 2.9 + 0.193 X  + 0.00042 X**2 
     at X = 100, Y = 26.4 
     effective RMSE xy = 41.2 
 
slope versus dZ, curvature < 15
  n = 593128 
  X=0, Y = 4.40 +/- 1.91 
  Weighted least-squares fit:  Y = 2.7 + 0.219 X  + 0.00028 X**2 
 
curvature versus dZ, slope < 10
  n = 843428 
  X=0, Y = 4.14 +/- 2.12 
  Weighted least-squares fit:  Y = 3.4 + 0.195 X  + -0.00153 X**2 
 
 
Number of samples 4691251
Max dz = 900
Mean dz = 1063
RMS dz = 5007.03475123
100cm = 99.9028830476 percentile value of dz
Mean dz (curv<=5) = 81
RMS dz (curv<=5) = 1376.46939668

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