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ps5775
d:\northps\block456-14jan08\ps5775.txt
18 Jan 08 04:50:21 Friday  elapsed time 00:16:58
Rectangular area = 0.877 km2
Data area = 0.875 km2
*percent double coverage = 99.922
**low-curvature dc area = 0.000 km2
1st-return RMSE, low-curvature areas = 0.858
95p = 1.193, 98p = 1.258, 99.5p = 1.274
BE RMSE = 2.475
95p = 4.969, 98p = 6.844, 99.5p = 9.975
3355574 unique returns and 0 duplicate returns
 
169107.918648 1390268.87 512502.52 2747.55 1 1 
169119.763488 1387765.98 514251.25 2435.51 2 1 
644.208962
169763.97245 1387271.73 514250.4 2153.48 1 1 
169782.824036 1390261.59 511252.39 2374.45 2 1 
352.675944
170135.49998 1390266.77 511259.07 2352.73 1 2 
170151.297496 1387270.51 514033.88 2078.62 2 1 
652.057718
170803.355214 1387275.74 511768.38 1637.19 1 1 
170806.854359 1387895.95 511252.45 1659.11 2 1 
262814.734337
433621.588696 1390268.17 512287.96 2677.25 1 1 
433634.512335 1387655.22 514245.65 2333.44 2 2 
646.896169
434281.408504 1387271.04 514251.5 2151.77 1 1 
434299.713927 1390269.35 511257.55 2357.29 2 1 
304.585976
434604.299903 1390262.92 511255.2 2361.75 1 1 
434620.931709 1387270.37 513935.73 2108.57 1 1 
674.708267
435295.639976 1387271.27 511873.07 1644.21 2 1 
435299.273613 1387861.63 511253.19 1616.06 1 1 
 
1668063 1st returns
1687511 2nd returns
0 3rd returns
0 4th returns
61591 ground returns
0 blunders

curvature versus slope
  n = 863728 
  X=0, Y = 27.93 +/- 21.75 
  Weighted least-squares fit:  Y = 66.8 + 1.540 X  + -0.01524 X**2 
 
slope versus dZ, curvature < 5
  n = 9525 
 
  Weighted least-squares fit:  Y = 17.5 + -0.004 X  + 0.00259 X**2 
     at X = 100, Y = 43.0 
     effective RMSE xy = 61.7 
 
slope versus dZ, curvature < 15
  n = 39761 
 
  Weighted least-squares fit:  Y = 15.6 + 0.310 X  + 0.00068 X**2 
 
curvature versus dZ, slope < 10
  n = 4194 
  X=0, Y = 20.15 +/- 12.75 
  Weighted least-squares fit:  Y = 19.1 + -0.248 X  + 0.12276 X**2 
 
 
Number of samples 879417
Max dz = 900
Mean dz = 62
RMS dz = 87.4871419124
100cm = 79.9188553326 percentile value of dz

Number of survey units in 1 meter = 3.208
Nominal spot spacing (in survey units) = 5
Nominal pulse density (per m2) = 1
Difference cell size = 2.5
IsData cell size = 1.25
IsData expand cells = 8
IsData shrink cells = 7
BE IsData cell size = 2.5
BE IsData expand cells = 24
BE IsData shrink cells = 24
MaxCurve = 24.69903359999
Curvature expand cells = 4
Curvature shrink cells = 3
Point density cell size = 20
Color critical value = 0.3208
Hue jump at critical value = 90