==================================================
ps3974
d:\northps\block123-14dec07\ps3974.txt
15 Dec 07 16:41:41 Saturday  elapsed time 00:06:42
Rectangular area = 0.875 km2
Data area = 0.874 km2
*percent double coverage = 74.991
**low-curvature dc area = 0.001 km2
1st-return RMSE, low-curvature areas = 1.628
95p = 2.165, 98p = 2.241, 99.5p = 2.368
BE RMSE = 3.462
95p = 7.152, 98p = 9.652, 99.5p = 13.497
2061936 unique returns and 0 duplicate returns
 
160240.201892 1312270.88 568302.78 407.04 2 2 
160253.385634 1315269.97 569813.74 1317.73 1 1 
18402.635786
178656.02142 1312270.03 571242.69 878.22 1 1 
178671.738735 1315269.91 568258.06 927.79 2 1 
1164.046871
179835.785606 1315266.33 571247.56 1690.21 1 1 
179848.218572 1312270.26 570856.64 788.98 1 1 
 
1024540 1st returns
1037396 2nd returns
0 3rd returns
0 4th returns
107057 ground returns
0 blunders

curvature versus slope
  n = 210837 
  X=0, Y = 36.07 +/- 28.42 
  Weighted least-squares fit:  Y = 76.0 + 0.868 X  + -0.00898 X**2 
 
slope versus dZ, curvature < 5
  n = 5969 
 
  Weighted least-squares fit:  Y = 42.2 + 0.609 X  + -0.00002 X**2 
     at X = 100, Y = 102.8 
     effective RMSE xy = 147.3 
 
slope versus dZ, curvature < 15
  n = 15404 
 
  Weighted least-squares fit:  Y = 41.9 + 0.741 X  + -0.00081 X**2 
 
curvature versus dZ, slope < 10
  n = 1584 
  X=0, Y = 47.10 +/- 12.56 
  Weighted least-squares fit:  Y = 46.3 + 2.350 X  + -0.08362 X**2 
 
 
Number of samples 211624
Max dz = 900
Mean dz = 105
RMS dz = 136.956197377
100cm = 57.273277133 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