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ps2499
d:\northps\block456-14jan08\ps2499.txt
15 Jan 08 23:12:43 Tuesday  elapsed time 00:12:30
Rectangular area = 0.875 km2
Data area = 0.872 km2
*percent double coverage = 34.028
**low-curvature dc area = 0.078 km2
1st-return RMSE, low-curvature areas = 0.731
95p = 1.252, 98p = 1.674, 99.5p = 3.483
BE RMSE = 1.763
95p = 2.570, 98p = 4.803, 99.5p = 10.483
1814446 unique returns and 0 duplicate returns
 
232938.456985 1474269.77 615742.14 5128.06 1 2 
232954.509965 1471270.13 613263.56 5491.3 1 1 
695.695087
233650.205052 1471270.14 614067.03 4783.32 2 2 
233665.676797 1474268.24 616249.83 5043.18 2 1 
282.01847
233947.695267 1471909.55 616250.67 4314.24 2 1 
233950.462455 1471272.23 616044.63 4185.5 2 1 
 
905063 1st returns
909383 2nd returns
0 3rd returns
0 4th returns
707249 ground returns
0 blunders

curvature versus slope
  n = 285971 
  X=0, Y = 59.34 +/- 18.19 
  Weighted least-squares fit:  Y = 66.6 + 1.603 X  + -0.01767 X**2 
 
slope versus dZ, curvature < 5
  n = 148314 
 
  Weighted least-squares fit:  Y = 10.4 + 0.110 X  + 0.00091 X**2 
     at X = 100, Y = 30.6 
     effective RMSE xy = 45.1 
 
slope versus dZ, curvature < 15
  n = 236277 
 
  Weighted least-squares fit:  Y = 13.3 + 0.046 X  + 0.00124 X**2 
 
curvature versus dZ, slope < 10
  n = 337 
  X=0, Y = 6.78 +/- 4.43 
  Weighted least-squares fit:  Y = 6.9 + 1.847 X  + -0.25910 X**2 
 
 
Number of samples 290512
Max dz = 900
Mean dz = 21
RMS dz = 38.4577690461
100cm = 97.6713526464 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