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ps0313
d:\northps\block123-14dec07\ps0313.txt
14 Dec 07 15:47:24 Friday  elapsed time 00:06:55
Rectangular area = 0.875 km2
Data area = 0.874 km2
*percent double coverage = 99.831
**low-curvature dc area = 0.141 km2
1st-return RMSE, low-curvature areas = 1.180
95p = 1.732, 98p = 1.874, 99.5p = 2.076
BE RMSE = 1.485
95p = 2.822, 98p = 3.697, 99.5p = 5.484
1882049 unique returns and 0 duplicate returns
 
256866.640413 1339272.74 721253.26 1423.94 1 1 
256879.607926 1341062.37 724251.95 915.78 2 1 
340.189122
257219.797048 1342261.32 724249.19 848.47 2 1 
257235.430324 1339275.67 721252.35 1423.88 2 1 
1406.846982
258642.277306 1340213.16 721252.07 952.02 1 1 
258656.211612 1342268.27 724251.16 861.17 2 1 
337.183076
258993.394688 1342267.58 724028.79 859.07 1 1 
259005.207024 1341803.43 721252.11 976.21 1 1 
 
938353 1st returns
943696 2nd returns
0 3rd returns
0 4th returns
195737 ground returns
0 blunders

curvature versus slope
  n = 784733 
  X=0, Y = 14.29 +/- 11.83 
  Weighted least-squares fit:  Y = 27.6 + 3.861 X  + -0.04428 X**2 
 
slope versus dZ, curvature < 5
  n = 330381 
  X=0, Y = 21.45 +/- 12.53 
  Weighted least-squares fit:  Y = 40.6 + 0.042 X  + 0.00195 X**2 
     at X = 100, Y = 64.3 
     effective RMSE xy = 78.3 
 
slope versus dZ, curvature < 15
  n = 508056 
  X=0, Y = 20.62 +/- 11.92 
  Weighted least-squares fit:  Y = 42.2 + -0.050 X  + 0.00348 X**2 
 
curvature versus dZ, slope < 10
  n = 336678 
  X=0, Y = 38.24 +/- 19.59 
  Weighted least-squares fit:  Y = 40.2 + 1.496 X  + 0.06968 X**2 
 
 
Number of samples 796390
Max dz = 900
Mean dz = 53
RMS dz = 80.7960395069
100cm = 89.7774959505 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