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ps2029
d:\northps\block456-14jan08\ps2029.txt
15 Jan 08 16:15:15 Tuesday  elapsed time 00:08:14
Rectangular area = 0.875 km2
Data area = 0.869 km2
*percent double coverage = 97.126
**low-curvature dc area = 0.017 km2
1st-return RMSE, low-curvature areas = 1.310
95p = 1.981, 98p = 2.149, 99.5p = 2.459
BE RMSE = 1.484
95p = 2.751, 98p = 3.811, 99.5p = 5.838
1697313 unique returns and 0 duplicate returns
 
238421.645076 1439071.39 631254.07 731.04 1 1 
238431.474955 1441269.82 631843.55 750.62 1 1 
552.583276
238984.058231 1441269.68 634246.76 743.55 2 1 
239000.481795 1438271.29 631259.27 752.63 1 1 
371.97548
239372.457275 1438270.61 631253.87 755.62 1 1 
239387.0037 1441268.87 634238.02 784.16 2 1 
544.02378
239931.02748 1441268.68 634251.98 786.05 2 1 
239946.128961 1438272.17 632157.56 791.79 2 1 
355.568636
240301.697597 1438273.58 633707.99 814.88 2 1 
240310.263583 1440271.02 634250.86 799.39 1 1 
 
845414 1st returns
851899 2nd returns
0 3rd returns
0 4th returns
115970 ground returns
0 blunders

curvature versus slope
  n = 290624 
  X=0, Y = 17.94 +/- 14.40 
  Weighted least-squares fit:  Y = 33.6 + 3.431 X  + -0.03842 X**2 
 
slope versus dZ, curvature < 5
  n = 66568 
  X=0, Y = 54.42 +/- 11.05 
  Weighted least-squares fit:  Y = 38.6 + 0.099 X  + 0.00284 X**2 
     at X = 100, Y = 76.9 
     effective RMSE xy = 104.5 
 
slope versus dZ, curvature < 15
  n = 117035 
  X=0, Y = 54.42 +/- 11.05 
  Weighted least-squares fit:  Y = 37.0 + 0.231 X  + 0.00251 X**2 
 
curvature versus dZ, slope < 10
  n = 54810 
  X=0, Y = 41.84 +/- 17.52 
  Weighted least-squares fit:  Y = 38.0 + 0.810 X  + -0.03885 X**2 
 
 
Number of samples 299450
Max dz = 900
Mean dz = 66
RMS dz = 98.9545350148
100cm = 81.1200534313 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