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ps2540
d:\northps\block123-14dec07\ps2540.txt
15 Dec 07 10:05:24 Saturday  elapsed time 00:07:39
Rectangular area = 0.875 km2
Data area = 0.873 km2
*percent double coverage = 99.956
**low-curvature dc area = 0.017 km2
1st-return RMSE, low-curvature areas = 0.441
95p = 0.884, 98p = 1.055, 99.5p = 1.298
BE RMSE = 1.607
95p = 3.084, 98p = 4.383, 99.5p = 7.289
1933570 unique returns and 0 duplicate returns
 
434521.275733 1289771.06 610252.06 503.54 2 1 
434535.517855 1291266.71 613248.13 339.91 2 1 
1377.916139
435913.433994 1291268.91 613249.38 320.1 2 2 
435929.060611 1288275.32 610253.16 499.8 1 1 
274.097152
436203.157763 1288274.88 610252.72 500.08 1 1 
436218.942109 1291045.21 613251.52 452.77 2 1 
1368.227424
437587.169533 1288783.99 613251.03 488.76 2 1 
437601.00813 1288272.37 610253.51 501.03 2 1 
 
964753 1st returns
968817 2nd returns
0 3rd returns
0 4th returns
120322 ground returns
0 blunders

curvature versus slope
  n = 682901 
  X=0, Y = 19.03 +/- 16.36 
  Weighted least-squares fit:  Y = 46.8 + 2.584 X  + -0.02878 X**2 
 
slope versus dZ, curvature < 5
  n = 81753 
 
  Weighted least-squares fit:  Y = 9.3 + 0.451 X  + 0.00135 X**2 
     at X = 100, Y = 67.8 
     effective RMSE xy = 105.5 
 
slope versus dZ, curvature < 15
  n = 167987 
 
  Weighted least-squares fit:  Y = 8.7 + 0.581 X  + 0.00044 X**2 
 
curvature versus dZ, slope < 10
  n = 80406 
  X=0, Y = 12.11 +/- 7.68 
  Weighted least-squares fit:  Y = 10.7 + 1.724 X  + 0.03306 X**2 
 
 
Number of samples 696060
Max dz = 900
Mean dz = 56
RMS dz = 88.1532756056
100cm = 82.0582995719 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