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ps4078
d:\northps\block123-14dec07\ps4078.txt
15 Dec 07 17:01:45 Saturday  elapsed time 00:06:24
Rectangular area = 0.875 km2
Data area = 0.874 km2
*percent double coverage = 69.647
**low-curvature dc area = 0.001 km2
1st-return RMSE, low-curvature areas = 0.754
95p = 1.811, 98p = 2.997, 99.5p = 3.549
BE RMSE = 2.397
95p = 4.684, 98p = 6.632, 99.5p = 10.956
1450754 unique returns and 0 duplicate returns
 
365057.947386 1287895.3 568251.81 616.2 2 2 
365072.028156 1286992.19 565252.11 490.1 1 1 
1066.800607
366138.828763 1287719.95 565252.14 350.91 1 2 
366153.64758 1285301.0 568251.96 431.64 1 1 
355.77865
366509.42623 1285726.73 568251.38 409.62 2 1 
366522.90491 1285517.1 565252.22 674.3 1 1 
 
1245005 1st returns
193028 2nd returns
12544 3rd returns
177 4th returns
63190 ground returns
0 blunders

curvature versus slope
  n = 164629 
  X=0, Y = 46.67 +/- 30.79 
  Weighted least-squares fit:  Y = 64.9 + 1.393 X  + -0.01409 X**2 
 
slope versus dZ, curvature < 5
  n = 6839 
 
  Weighted least-squares fit:  Y = 9.2 + 0.187 X  + 0.00287 X**2 
     at X = 100, Y = 56.6 
     effective RMSE xy = 87.7 
 
slope versus dZ, curvature < 15
  n = 23989 
 
  Weighted least-squares fit:  Y = 9.5 + 0.249 X  + 0.00258 X**2 
 
curvature versus dZ, slope < 10
  n = 1550 
  X=0, Y = 11.67 +/- 8.16 
  Weighted least-squares fit:  Y = 9.7 + 1.408 X  + 0.00708 X**2 
 
 
Number of samples 166211
Max dz = 900
Mean dz = 58
RMS dz = 103.812330674
100cm = 83.6689509118 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