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x768y43
d:\lidarqa\consist_rithaiti\x768y43.txt
06 Aug 10 10:24:05 Friday  elapsed time 00:02:41
Rectangular area = 0.101 km2
Data area = 0.051 km2
*percent double coverage = 22.276
**low-curvature dc area = 0.000 km2
1st-return RMSE, low-curvature areas = 0.167
95p = 0.113, 98p = 0.225, 99.5p = 0.237
BE RMSE = 0.412
95p = 0.866, 98p = 1.314, 99.5p = 2.112
366056 unique returns and 1157 duplicate returns
 
144773.751 769592.75 2044499.88 330.94 1 2 
144788.0194 768735.36 2044472.52 572.22 1 15 
172074.7248
316862.7442 768700.0 2044399.62 435.19 1 2 
316876.4644 769657.55 2044499.57 356.2 1 1 
 
338255 1st returns
27801 2nd returns
0 3rd returns
0 4th returns
52091 ground returns
0 blunders

curvature versus slope
  n = 21792 
  X=0, Y = 82.69 +/- 17.50 
  Weighted least-squares fit:  Y = 85.6 + 0.238 X  + -0.00297 X**2 
 
slope versus dZ, curvature < 5
  n = 233 
 
  Weighted least-squares fit:  Y = -31.3 + 0.987 X  + -0.00519 X**2 
     at X = 100, Y = 15.6 
     Bad fit. P2 = 0
slope versus dZ, curvature < 15
  n = 1206 
 
  Weighted least-squares fit:  Y = -20.6 + 0.698 X  + -0.00326 X**2 
 

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