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ps2315
d:\northps\block123-14dec07\ps2315.txt
22 Dec 07 11:21:40 Saturday  elapsed time 00:06:13
Rectangular area = 0.875 km2
Data area = 0.874 km2
*percent double coverage = 93.490
**low-curvature dc area = 0.022 km2
1st-return RMSE, low-curvature areas = 1.115
95p = 1.725, 98p = 1.894, 99.5p = 2.096
BE RMSE = 2.164
95p = 4.305, 98p = 6.250, 99.5p = 9.652
1965579 unique returns and 0 duplicate returns
 
259468.597202 1334118.31 622251.97 1562.79 1 1 
259482.709954 1333272.05 619252.07 1331.47 1 1 
366.51191
259849.221864 1333272.07 619252.6 1346.32 1 1 
259863.278156 1335651.92 622251.95 2275.03 2 1 
1242.694084
261105.97224 1336247.85 622251.69 2507.43 1 1 
261120.753845 1333302.89 619252.12 1372.89 1 1 
371.644283
261492.398128 1335703.47 619252.13 1476.2 2 1 
261506.01171 1336260.72 622244.46 2432.7 2 1 
 
979269 1st returns
986310 2nd returns
0 3rd returns
0 4th returns
152145 ground returns
0 blunders

curvature versus slope
  n = 431218 
  X=0, Y = 28.21 +/- 18.32 
  Weighted least-squares fit:  Y = 48.4 + 2.505 X  + -0.02791 X**2 
 
slope versus dZ, curvature < 5
  n = 62650 
  X=0, Y = 20.26 +/- 7.85 
  Weighted least-squares fit:  Y = 31.5 + 0.078 X  + 0.00228 X**2 
     at X = 100, Y = 62.1 
     effective RMSE xy = 84.1 
 
slope versus dZ, curvature < 15
  n = 141660 
  X=0, Y = 27.94 +/- 12.75 
  Weighted least-squares fit:  Y = 31.7 + 0.065 X  + 0.00281 X**2 
 
curvature versus dZ, slope < 10
  n = 19375 
  X=0, Y = 33.20 +/- 10.07 
  Weighted least-squares fit:  Y = 31.6 + 0.705 X  + 0.00850 X**2 
 
 
Number of samples 443102
Max dz = 900
Mean dz = 64
RMS dz = 93.4130611853
100cm = 80.7599604606 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