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ps4066
d:\northps\block123-14dec07\ps4066.txt
15 Dec 07 16:55:10 Saturday  elapsed time 00:06:50
Rectangular area = 0.875 km2
Data area = 0.874 km2
*percent double coverage = 62.392
**low-curvature dc area = 0.481 km2
1st-return RMSE, low-curvature areas = 0.282
95p = 0.533, 98p = 0.624, 99.5p = 0.754
BE RMSE = 0.370
95p = 0.817, 98p = 1.262, 99.5p = 1.798
1184185 unique returns and 0 duplicate returns
 
355480.798031 1252269.78 568232.52 3.8 1 10 
355496.188133 1252108.11 565252.01 8.37 1 10 
12786.220928
368282.409061 1252269.56 568251.62 3.88 1 2 
368298.195148 1250225.13 565252.02 6.84 1 10 
1043.608698
369341.803846 1251480.11 565252.1 7.47 1 10 
369356.973724 1251533.37 568251.94 4.19 1 10 
550.484162
369907.457886 1249518.95 568251.95 4.28 1 10 
369921.627905 1249272.18 565252.66 15.69 1 10 
 
1183738 1st returns
439 2nd returns
8 3rd returns
0 4th returns
454290 ground returns
0 blunders

curvature versus slope
  n = 892990 
  X=0, Y = 4.91 +/- 3.16 
  Weighted least-squares fit:  Y = 2.9 + 5.509 X  + -0.10062 X**2 
 
slope versus dZ, curvature < 5
  n = 661223 
  X=0, Y = 7.68 +/- 4.70 
  Weighted least-squares fit:  Y = 6.4 + 0.491 X  + -0.00140 X**2 
     at X = 100, Y = 41.6 
     effective RMSE xy = 64.5 
 
slope versus dZ, curvature < 15
  n = 842751 
  X=0, Y = 7.73 +/- 4.74 
  Weighted least-squares fit:  Y = 6.8 + 0.506 X  + -0.00047 X**2 
 
curvature versus dZ, slope < 10
  n = 799428 
  X=0, Y = 7.81 +/- 4.59 
  Weighted least-squares fit:  Y = 7.4 + 1.360 X  + 0.08350 X**2 
 
 
Number of samples 893965
Max dz = 400
Mean dz = 8
RMS dz = 13.7113092008
100cm = 99.8704647274 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