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ps2087
d:\northps\block123-14dec07\ps2087.txt
15 Dec 07 07:50:54 Saturday  elapsed time 00:06:48
Rectangular area = 0.875 km2
Data area = 0.874 km2
*percent double coverage = 92.258
**low-curvature dc area = 0.008 km2
1st-return RMSE, low-curvature areas = 0.837
95p = 0.087, 98p = 1.746, 99.5p = 1.746
BE RMSE = 1.486
95p = 2.904, 98p = 3.968, 99.5p = 6.093
1948042 unique returns and 0 duplicate returns
 
255999.182364 1327608.55 631251.67 1348.21 2 1 
256000.98501 1327271.28 630921.42 1350.24 1 1 
467.375624
256468.360634 1327277.18 628252.01 2114.56 2 2 
256482.219154 1329436.18 631251.52 1654.81 2 2 
1171.551131
257653.770285 1330266.64 631251.98 1874.34 1 1 
257669.403338 1327313.9 628252.55 2183.36 2 1 
571.581282
258240.98462 1329100.81 628253.02 2303.58 2 1 
258254.775965 1330264.26 631248.14 1882.8 2 1 
 
968897 1st returns
979145 2nd returns
0 3rd returns
0 4th returns
189294 ground returns
0 blunders

curvature versus slope
  n = 321432 
  X=0, Y = 30.83 +/- 17.04 
  Weighted least-squares fit:  Y = 41.2 + 2.537 X  + -0.02658 X**2 
 
slope versus dZ, curvature < 5
  n = 42712 
 
  Weighted least-squares fit:  Y = 9.6 + 0.849 X  + -0.00261 X**2 
     at X = 100, Y = 68.4 
     effective RMSE xy = 106.3 
 
slope versus dZ, curvature < 15
  n = 116214 
 
  Weighted least-squares fit:  Y = 10.1 + 0.877 X  + -0.00262 X**2 
 
curvature versus dZ, slope < 10
  n = 9768 
  X=0, Y = 15.37 +/- 10.12 
  Weighted least-squares fit:  Y = 13.3 + 2.404 X  + 0.03603 X**2 
 
 
Number of samples 323733
Max dz = 900
Mean dz = 55
RMS dz = 106.667708328
100cm = 85.5726787198 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