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ps0241
d:\northps\block123-14dec07\ps0241.txt
14 Dec 07 14:56:46 Friday  elapsed time 00:07:16
Rectangular area = 0.875 km2
Data area = 0.874 km2
*percent double coverage = 99.745
**low-curvature dc area = 0.006 km2
1st-return RMSE, low-curvature areas = 1.532
95p = 2.836, 98p = 3.687, 99.5p = 4.291
BE RMSE = 2.275
95p = 4.575, 98p = 6.030, 99.5p = 8.547
2044851 unique returns and 0 duplicate returns
 
255205.353143 1336272.84 724255.17 1607.46 1 1 
255218.494295 1337816.19 727251.73 1101.34 2 1 
331.298013
255549.792308 1339262.74 727247.86 765.24 2 1 
255565.300663 1336273.54 724252.03 1607.64 1 1 
1313.167766
256878.468429 1336816.76 724252.11 1572.64 1 1 
256892.251115 1339260.5 727250.95 874.54 2 1 
316.22203
257208.473145 1339247.61 727249.08 758.68 2 1 
257222.539311 1338417.92 724252.51 1455.87 1 1 
 
1018031 1st returns
1026820 2nd returns
0 3rd returns
0 4th returns
153601 ground returns
0 blunders

curvature versus slope
  n = 508079 
  X=0, Y = 45.88 +/- 27.51 
  Weighted least-squares fit:  Y = 58.3 + 1.772 X  + -0.01836 X**2 
 
slope versus dZ, curvature < 5
  n = 38706 
 
  Weighted least-squares fit:  Y = 31.8 + 0.938 X  + -0.00257 X**2 
     at X = 100, Y = 99.9 
     effective RMSE xy = 148.7 
 
slope versus dZ, curvature < 15
  n = 123707 
 
  Weighted least-squares fit:  Y = 32.1 + 0.958 X  + -0.00262 X**2 
 
curvature versus dZ, slope < 10
  n = 5404 
  X=0, Y = 40.27 +/- 13.77 
  Weighted least-squares fit:  Y = 42.4 + -0.869 X  + 0.25045 X**2 
 
 
Number of samples 511842
Max dz = 900
Mean dz = 77
RMS dz = 109.352640572
100cm = 73.9091360224 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