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ps1621
d:\northps\block123-14dec07\ps1621.txt
15 Dec 07 04:28:17 Saturday  elapsed time 00:06:43
Rectangular area = 0.875 km2
Data area = 0.860 km2
*percent double coverage = 96.732
**low-curvature dc area = 0.010 km2
1st-return RMSE, low-curvature areas = 1.001
95p = 1.542, 98p = 1.754, 99.5p = 2.123
BE RMSE = 1.933
95p = 3.801, 98p = 5.445, 99.5p = 8.590
1740174 unique returns and 0 duplicate returns
 
255885.420974 1330538.91 655250.61 510.27 2 1 
255894.630273 1330271.26 653281.65 645.13 2 1 
675.65531
256570.285583 1330276.12 652252.1 650.68 2 1 
256584.04369 1332735.07 655251.87 708.92 1 1 
957.022641
257541.066331 1333265.42 655250.69 814.09 2 1 
257556.893828 1330272.75 652252.32 658.13 2 1 
787.591907
258344.485735 1331679.53 652252.86 626.26 2 2 
258357.97745 1333267.97 655250.32 765.59 2 1 
 
867862 1st returns
872312 2nd returns
0 3rd returns
0 4th returns
96320 ground returns
0 blunders

curvature versus slope
  n = 423185 
  X=0, Y = 24.17 +/- 21.18 
  Weighted least-squares fit:  Y = 55.4 + 2.053 X  + -0.02225 X**2 
 
slope versus dZ, curvature < 5
  n = 36827 
 
  Weighted least-squares fit:  Y = 31.7 + 0.340 X  + 0.00260 X**2 
     at X = 100, Y = 91.7 
     effective RMSE xy = 135.2 
 
slope versus dZ, curvature < 15
  n = 80299 
 
  Weighted least-squares fit:  Y = 31.3 + 0.469 X  + 0.00178 X**2 
 
curvature versus dZ, slope < 10
  n = 25480 
  X=0, Y = 32.58 +/- 10.17 
  Weighted least-squares fit:  Y = 33.2 + 1.257 X  + 0.07098 X**2 
 
 
Number of samples 429656
Max dz = 900
Mean dz = 80
RMS dz = 115.485929879
100cm = 72.2021803489 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