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ps2075
d:\northps\block123-14dec07\ps2075.txt
15 Dec 07 07:43:55 Saturday  elapsed time 00:06:36
Rectangular area = 0.875 km2
Data area = 0.874 km2
*percent double coverage = 88.176
**low-curvature dc area = 0.003 km2
1st-return RMSE, low-curvature areas = 0.356
95p = 0.761, 98p = 1.058, 99.5p = 1.451
BE RMSE = 2.342
95p = 4.739, 98p = 6.690, 99.5p = 10.153
2008206 unique returns and 0 duplicate returns
 
434599.952739 1292984.13 628253.85 2429.21 2 2 
434613.193912 1294269.99 631249.38 2329.93 1 1 
1216.503092
435829.697004 1294263.65 631250.28 2261.64 1 1 
435845.554751 1291283.45 628253.37 1945.02 1 1 
441.473879
436287.02863 1291274.41 628253.16 1949.59 1 1 
436302.02332 1293122.66 631249.29 2130.44 2 1 
 
998878 1st returns
1009328 2nd returns
0 3rd returns
0 4th returns
172714 ground returns
0 blunders

curvature versus slope
  n = 241504 
  X=0, Y = 47.93 +/- 28.18 
  Weighted least-squares fit:  Y = 66.8 + 1.389 X  + -0.01462 X**2 
 
slope versus dZ, curvature < 5
  n = 25647 
 
  Weighted least-squares fit:  Y = 8.4 + 0.703 X  + 0.00214 X**2 
     at X = 100, Y = 100.0 
     effective RMSE xy = 156.5 
 
slope versus dZ, curvature < 15
  n = 68164 
 
  Weighted least-squares fit:  Y = 7.7 + 0.854 X  + 0.00078 X**2 
 
curvature versus dZ, slope < 10
  n = 2989 
  X=0, Y = 15.00 +/- 10.25 
  Weighted least-squares fit:  Y = 14.9 + 0.466 X  + 0.12818 X**2 
 
 
Number of samples 244267
Max dz = 900
Mean dz = 73
RMS dz = 109.004587059
100cm = 74.2986158589 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