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ps4465
d:\northps\block456-14jan08\ps4465.txt
17 Jan 08 01:15:37 Thursday  elapsed time 00:06:35
Rectangular area = 0.876 km2
Data area = 0.874 km2
*percent double coverage = 97.854
**low-curvature dc area = 0.001 km2
1st-return RMSE, low-curvature areas = 0.940
95p = 2.737, 98p = 3.139, 99.5p = 3.643
BE RMSE = 3.446
95p = 6.656, 98p = 9.894, 99.5p = 16.292
1541169 unique returns and 0 duplicate returns
 
157317.618102 1483281.86 556402.76 705.38 1 1 
157322.614172 1484436.95 556770.16 782.31 1 1 
194089.114315
351411.728487 1483276.75 559248.61 945.53 1 1 
351412.828278 1483500.63 559249.23 897.56 2 2 
633.710097
352046.538375 1486267.5 559249.94 1906.44 2 1 
352060.673497 1483272.91 557928.12 972.43 1 1 
5293.459434
357354.132931 1483270.57 559250.65 995.67 2 1 
357367.112122 1486268.34 556385.77 374.94 2 1 
613.497964
357980.610086 1486269.51 558832.66 1696.2 2 2 
357994.432369 1483271.56 556299.64 706.66 1 1 
 
767920 1st returns
773249 2nd returns
0 3rd returns
0 4th returns
116820 ground returns
0 blunders

curvature versus slope
  n = 79371 
  X=0, Y = 44.18 +/- 36.49 
  Weighted least-squares fit:  Y = 77.7 + 0.983 X  + -0.01027 X**2 
 
slope versus dZ, curvature < 5
  n = 6338 
 
  Weighted least-squares fit:  Y = 4.6 + 1.018 X  + -0.00226 X**2 
     at X = 100, Y = 83.9 
     effective RMSE xy = 131.5 
 
slope versus dZ, curvature < 15
  n = 17555 
 
  Weighted least-squares fit:  Y = 5.4 + 1.013 X  + -0.00105 X**2 
 
curvature versus dZ, slope < 10
  n = 1500 
  X=0, Y = 10.12 +/- 5.47 
  Weighted least-squares fit:  Y = 9.8 + 3.340 X  + -0.05481 X**2 
 
 
Number of samples 80218
Max dz = 900
Mean dz = 87
RMS dz = 148.468851952
100cm = 69.4931312174 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