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ps3680
d:\northps\block456-14jan08\ps3680.txt
16 Jan 08 16:53:25 Wednesday  elapsed time 00:06:32
Rectangular area = 0.875 km2
Data area = 0.872 km2
*percent double coverage = 59.629
**low-curvature dc area = 0.016 km2
1st-return RMSE, low-curvature areas = 1.040
95p = 2.259, 98p = 2.591, 99.5p = 3.001
BE RMSE = 2.338
95p = 4.076, 98p = 6.150, 99.5p = 11.552
1905245 unique returns and 0 duplicate returns
 
344454.323353 1456267.52 580251.26 4614.53 1 2 
344468.590386 1453270.69 579997.52 4385.62 2 2 
698.190522
345166.780908 1453270.07 580248.23 4348.15 2 1 
345181.797858 1456268.64 577275.37 3082.49 2 1 
880.923766
346062.721624 1456269.54 578667.12 3778.77 2 1 
346078.060801 1453271.35 577253.78 3288.82 1 1 
 
945590 1st returns
959655 2nd returns
0 3rd returns
0 4th returns
344913 ground returns
0 blunders

curvature versus slope
  n = 226611 
  X=0, Y = 54.13 +/- 25.62 
  Weighted least-squares fit:  Y = 67.6 + 1.369 X  + -0.01475 X**2 
 
slope versus dZ, curvature < 5
  n = 53747 
 
  Weighted least-squares fit:  Y = 12.0 + 0.636 X  + -0.00098 X**2 
     at X = 100, Y = 65.8 
     effective RMSE xy = 101.6 
 
slope versus dZ, curvature < 15
  n = 109122 
 
  Weighted least-squares fit:  Y = 13.2 + 0.674 X  + -0.00109 X**2 
 
curvature versus dZ, slope < 10
  n = 2183 
  X=0, Y = 18.91 +/- 11.01 
  Weighted least-squares fit:  Y = 17.0 + 2.899 X  + -0.09266 X**2 
 
 
Number of samples 232101
Max dz = 900
Mean dz = 63
RMS dz = 96.5090669316
100cm = 85.1556003636 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