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ps4387
d:\northps\block123-14dec07\ps4387.txt
15 Dec 07 18:29:53 Saturday  elapsed time 00:07:20
Rectangular area = 0.875 km2
Data area = 0.873 km2
*percent double coverage = 64.847
**low-curvature dc area = 0.214 km2
1st-return RMSE, low-curvature areas = 0.384
95p = 0.722, 98p = 0.858, 99.5p = 1.055
BE RMSE = 0.408
95p = 0.760, 98p = 1.115, 99.5p = 2.126
1230309 unique returns and 0 duplicate returns
 
291352.565457 1252050.96 556252.03 13.4 1 10 
291366.375146 1252266.73 559251.26 17.39 1 10 
64156.87045
355523.245596 1252266.32 559251.93 16.15 1 10 
355537.133383 1251972.1 556252.05 22.01 1 10 
12788.874444
368326.007827 1252227.2 559251.88 16.11 1 1 
368340.834628 1249881.72 556252.06 9.21 1 10 
957.386205
369298.220833 1251167.8 556252.02 9.07 1 10 
369312.770652 1249289.42 559251.98 15.33 1 2 
 
1228961 1st returns
1334 2nd returns
14 3rd returns
0 4th returns
340705 ground returns
0 blunders

curvature versus slope
  n = 1133839 
  X=0, Y = 10.17 +/- 7.66 
  Weighted least-squares fit:  Y = 9.5 + 4.677 X  + -0.06053 X**2 
 
slope versus dZ, curvature < 5
  n = 380015 
  X=0, Y = 9.99 +/- 5.50 
  Weighted least-squares fit:  Y = 9.2 + 0.302 X  + 0.00101 X**2 
     at X = 100, Y = 49.5 
     effective RMSE xy = 76.4 
 
slope versus dZ, curvature < 15
  n = 816938 
  X=0, Y = 10.64 +/- 5.68 
  Weighted least-squares fit:  Y = 9.8 + 0.341 X  + 0.00072 X**2 
 
curvature versus dZ, slope < 10
  n = 624476 
  X=0, Y = 10.63 +/- 6.21 
  Weighted least-squares fit:  Y = 10.2 + 1.223 X  + 0.04136 X**2 
 
 
Number of samples 1152118
Max dz = 500
Mean dz = 16
RMS dz = 28.4077454227
100cm = 98.222491099 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