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ps1549
d:\northps\block123-14dec07\ps1549.txt
15 Dec 07 03:49:23 Saturday  elapsed time 00:06:12
Rectangular area = 0.875 km2
Data area = 0.874 km2
*percent double coverage = 24.612
**low-curvature dc area = 0.045 km2
1st-return RMSE, low-curvature areas = 0.335
95p = 0.625, 98p = 0.772, 99.5p = 1.081
BE RMSE = 1.445
95p = 1.450, 98p = 3.558, 99.5p = 8.619
1464196 unique returns and 0 duplicate returns
 
495622.308934 1258308.12 655252.1 397.9 1 1 
495637.969133 1260414.9 658251.99 475.74 1 10 
1597.685503
497235.654636 1261258.43 658251.45 557.2 2 1 
497253.995275 1259384.59 655252.11 404.44 1 10 
 
1135590 1st returns
255395 2nd returns
64747 3rd returns
8464 4th returns
306504 ground returns
0 blunders

curvature versus slope
  n = 178212 
  X=0, Y = 16.48 +/- 12.33 
  Weighted least-squares fit:  Y = 22.5 + 3.660 X  + -0.03900 X**2 
 
slope versus dZ, curvature < 5
  n = 91833 
  X=0, Y = 8.80 +/- 4.83 
  Weighted least-squares fit:  Y = 5.8 + 0.442 X  + -0.00182 X**2 
     at X = 100, Y = 31.7 
     effective RMSE xy = 49.0 
 
slope versus dZ, curvature < 15
  n = 130944 
  X=0, Y = 11.55 +/- 8.45 
  Weighted least-squares fit:  Y = 6.5 + 0.381 X  + 0.00011 X**2 
 
curvature versus dZ, slope < 10
  n = 63844 
  X=0, Y = 9.84 +/- 5.32 
  Weighted least-squares fit:  Y = 9.0 + 0.905 X  + 0.08710 X**2 
 
 
Number of samples 179421
Max dz = 900
Mean dz = 18
RMS dz = 54.3599116997
100cm = 97.8380457137 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