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ps2431
d:\northps\block456-14jan08\ps2431.txt
15 Jan 08 22:36:53 Tuesday  elapsed time 00:13:50
Rectangular area = 0.875 km2
Data area = 0.874 km2
*percent double coverage = 99.857
**low-curvature dc area = 0.008 km2
1st-return RMSE, low-curvature areas = 1.052
95p = 2.169, 98p = 2.574, 99.5p = 3.020
BE RMSE = 2.670
95p = 5.120, 98p = 7.789, 99.5p = 13.006
1726994 unique returns and 0 duplicate returns
 
265843.99225 1567050.7 619248.5 2068.07 1 1 
265856.323863 1564271.24 618445.63 3759.6 2 1 
929.654617
266785.97848 1564272.46 616259.55 3421.32 2 1 
266803.383744 1567269.8 619251.11 2099.39 2 1 
482.298233
267285.681977 1567266.79 619246.83 2074.33 1 2 
267303.807548 1564271.3 616260.5 3422.13 2 1 
893.07201
268196.879558 1564449.11 616252.89 3332.29 1 1 
268211.310723 1567268.52 618492.56 2178.37 2 2 
 
860478 1st returns
866516 2nd returns
0 3rd returns
0 4th returns
237323 ground returns
0 blunders

curvature versus slope
  n = 751770 
  X=0, Y = 51.23 +/- 23.91 
  Weighted least-squares fit:  Y = 64.7 + 1.416 X  + -0.01439 X**2 
 
slope versus dZ, curvature < 5
  n = 80183 
 
  Weighted least-squares fit:  Y = 20.8 + 1.025 X  + -0.00299 X**2 
     at X = 100, Y = 93.5 
     effective RMSE xy = 143.2 
 
slope versus dZ, curvature < 15
  n = 216550 
 
  Weighted least-squares fit:  Y = 24.5 + 0.942 X  + -0.00206 X**2 
 
curvature versus dZ, slope < 10
  n = 1820 
  X=0, Y = 25.19 +/- 18.18 
  Weighted least-squares fit:  Y = 27.5 + 1.622 X  + 0.04971 X**2 
 
 
Number of samples 759251
Max dz = 900
Mean dz = 82
RMS dz = 111.359777299
100cm = 70.4814349932 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