==================================================
ps1573
d:\northps\block123-14dec07\ps1573.txt
15 Dec 07 04:04:10 Saturday  elapsed time 00:07:24
Rectangular area = 0.875 km2
Data area = 0.863 km2
*percent double coverage = 98.093
**low-curvature dc area = 0.043 km2
1st-return RMSE, low-curvature areas = 0.884
95p = 1.363, 98p = 1.535, 99.5p = 1.835
BE RMSE = 1.692
95p = 3.122, 98p = 4.845, 99.5p = 8.302
1858478 unique returns and 0 duplicate returns
 
255870.731695 1330909.44 658251.63 497.79 1 1 
255885.572916 1330270.86 655254.09 504.89 2 1 
697.375493
256582.948409 1330307.74 655252.0 496.7 2 2 
256596.856259 1333032.55 658251.83 1018.58 2 1 
929.864075
257526.720334 1333268.24 658249.99 1081.73 2 2 
257542.654073 1330273.69 655252.96 500.32 1 1 
814.66929
258357.323363 1332197.79 655253.18 528.94 2 1 
258370.789326 1333263.73 658249.89 1083.82 2 1 
 
927144 1st returns
931334 2nd returns
0 3rd returns
0 4th returns
119355 ground returns
0 blunders

curvature versus slope
  n = 505692 
  X=0, Y = 15.81 +/- 12.77 
  Weighted least-squares fit:  Y = 35.6 + 3.333 X  + -0.03737 X**2 
 
slope versus dZ, curvature < 5
  n = 113538 
  X=0, Y = 26.64 +/- 4.95 
  Weighted least-squares fit:  Y = 28.2 + 0.320 X  + 0.00309 X**2 
     at X = 100, Y = 91.1 
     effective RMSE xy = 136.2 
 
slope versus dZ, curvature < 15
  n = 208005 
  X=0, Y = 24.95 +/- 5.47 
  Weighted least-squares fit:  Y = 27.4 + 0.390 X  + 0.00305 X**2 
 
curvature versus dZ, slope < 10
  n = 102391 
  X=0, Y = 30.09 +/- 12.83 
  Weighted least-squares fit:  Y = 30.7 + -0.017 X  + 0.00887 X**2 
 
 
Number of samples 510912
Max dz = 900
Mean dz = 63
RMS dz = 101.754606775
100cm = 81.1272782788 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