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ps4016
d:\northps\block456-14jan08\ps4016.txt
16 Jan 08 19:50:56 Wednesday  elapsed time 00:06:25
Rectangular area = 0.875 km2
Data area = 0.874 km2
*percent double coverage = 68.732
**low-curvature dc area = 0.015 km2
1st-return RMSE, low-curvature areas = 1.605
95p = 2.425, 98p = 2.632, 99.5p = 2.904
BE RMSE = 3.188
95p = 5.434, 98p = 8.534, 99.5p = 15.132
1917703 unique returns and 0 duplicate returns
 
348175.853929 1438270.49 571248.97 4185.04 2 2 
348190.04452 1441269.49 569547.15 3396.51 1 1 
1017.229073
349207.273593 1441269.95 571217.55 4133.47 2 2 
349221.95668 1438270.05 568335.93 3098.79 1 1 
475.846018
349697.802698 1438270.33 569055.19 3330.34 2 1 
349710.804228 1441264.16 568257.26 2888.86 2 1 
 
951395 1st returns
966308 2nd returns
0 3rd returns
0 4th returns
234064 ground returns
0 blunders

curvature versus slope
  n = 137962 
  X=0, Y = 63.84 +/- 21.25 
  Weighted least-squares fit:  Y = 70.2 + 1.236 X  + -0.01303 X**2 
 
slope versus dZ, curvature < 5
  n = 41752 
 
  Weighted least-squares fit:  Y = 3.5 + 0.934 X  + -0.00291 X**2 
     at X = 100, Y = 67.8 
     effective RMSE xy = 106.4 
 
slope versus dZ, curvature < 15
  n = 82252 
 
  Weighted least-squares fit:  Y = 6.6 + 0.840 X  + -0.00188 X**2 
 
curvature versus dZ, slope < 10
  n = 260 
  X=0, Y = 14.55 +/- 6.99 
  Weighted least-squares fit:  Y = 12.4 + 3.013 X  + -0.18211 X**2 
 
 
Number of samples 139246
Max dz = 900
Mean dz = 72
RMS dz = 144.260181616
100cm = 86.755095299 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