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ps4675
d:\northps\block456-14jan08\ps4675.txt
17 Jan 08 03:55:38 Thursday  elapsed time 00:06:08
Rectangular area = 0.875 km2
Data area = 0.874 km2
*percent double coverage = 74.786
**low-curvature dc area = 0.023 km2
1st-return RMSE, low-curvature areas = 2.777
95p = 3.417, 98p = 3.559, 99.5p = 3.748
BE RMSE = 3.018
95p = 5.416, 98p = 8.384, 99.5p = 14.286
1809831 unique returns and 0 duplicate returns
 
157201.659407 1456275.29 553246.62 4408.07 2 1 
157215.856629 1459269.84 553010.11 3577.1 2 1 
863.437414
158079.294043 1459269.78 553243.72 3757.58 1 1 
158093.800768 1456270.2 551124.0 3490.02 1 1 
685.795008
158779.595776 1456270.19 552479.71 4423.05 2 1 
158794.50163 1459267.29 550254.22 3677.14 1 1 
861.772563
159656.274193 1459267.78 551036.85 3489.68 2 1 
159669.800566 1456270.39 550260.03 2980.79 1 1 
 
897180 1st returns
912651 2nd returns
0 3rd returns
0 4th returns
171558 ground returns
0 blunders

curvature versus slope
  n = 156269 
  X=0, Y = 42.25 +/- 13.63 
  Weighted least-squares fit:  Y = 53.6 + 2.140 X  + -0.02315 X**2 
 
slope versus dZ, curvature < 5
  n = 48404 
 
  Weighted least-squares fit:  Y = 79.0 + 0.114 X  + -0.00003 X**2 
     at X = 100, Y = 90.2 
     effective RMSE xy = 68.3 
 
slope versus dZ, curvature < 15
  n = 80361 
 
  Weighted least-squares fit:  Y = 81.6 + -0.001 X  + 0.00116 X**2 
 
curvature versus dZ, slope < 10
  n = 161 
  X=0, Y = 62.51 +/- 14.59 
  Weighted least-squares fit:  Y = 59.4 + 7.233 X  + -0.79399 X**2 
 
 
Number of samples 157976
Max dz = 900
Mean dz = 92
RMS dz = 118.574870862
100cm = 72.1039904796 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