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ps2977
d:\northps\block123-14dec07\ps2977.txt
08 Jan 08 16:20:29 Tuesday  elapsed time 00:04:35
Rectangular area = 0.875 km2
Data area = 0.736 km2
*percent double coverage = 24.710
**low-curvature dc area = 0.001 km2
1st-return RMSE, low-curvature areas = 0.826
95p = 1.384, 98p = 2.231, 99.5p = 3.217
BE RMSE = 0.883
95p = 1.627, 98p = 1.998, 99.5p = 2.547
663689 unique returns and 0 duplicate returns
 
369487.540765 1249167.34 595270.17 2.75 1 10 
369487.790626 1249180.55 595321.52 4.44 1 10 
4.49957800005
369492.290204 1249260.48 596257.09 6.34 1 10 
369494.209243 1249269.96 596645.37 364.57 1 10 
272.644547
369766.85379 1249269.78 598251.99 1105.19 1 1 
369781.555919 1247096.23 595257.96 5.18 1 10 
1294.174471
371075.73039 1246336.57 595252.01 5.63 1 1 
371090.585897 1248026.0 598251.64 767.63 1 10 
279.845784
371370.431681 1246271.53 598085.19 386.25 2 10 
371382.459655 1246280.18 595387.48 4.32 1 10 
 
589551 1st returns
69722 2nd returns
4335 3rd returns
81 4th returns
54960 ground returns
0 blunders

curvature versus slope
  n = 65145 
  X=0, Y = 28.53 +/- 21.07 
  Weighted least-squares fit:  Y = 47.8 + 2.350 X  + -0.02511 X**2 
 
slope versus dZ, curvature < 5
  n = 7055 
 
  Weighted least-squares fit:  Y = 21.4 + 0.072 X  + 0.00149 X**2 
     at X = 100, Y = 43.5 
     effective RMSE xy = 59.5 
 
slope versus dZ, curvature < 15
  n = 18663 
 
  Weighted least-squares fit:  Y = 24.7 + -0.071 X  + 0.00374 X**2 
 
curvature versus dZ, slope < 10
  n = 4109 
  X=0, Y = 21.13 +/- 11.41 
  Weighted least-squares fit:  Y = 20.6 + 2.583 X  + 0.01337 X**2 
 
 
Number of samples 66320
Max dz = 900
Mean dz = 48
RMS dz = 83.2946576918
100cm = 87.9282267793 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