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ps2693
d:\northps\block123-14dec07\ps2693.txt
15 Dec 07 10:46:02 Saturday  elapsed time 00:05:59
Rectangular area = 0.875 km2
Data area = 0.874 km2
*percent double coverage = 24.093
**low-curvature dc area = 0.000 km2
1st-return RMSE, low-curvature areas = 0.387
95p = 0.672, 98p = 0.757, 99.5p = 0.876
BE RMSE = 1.583
95p = 3.232, 98p = 4.428, 99.5p = 6.380
1839814 unique returns and 0 duplicate returns
 
434972.688753 1240283.2 604252.36 0.46 1 2 
434987.786469 1241659.74 607251.93 717.34 1 1 
1569.239541
436557.02601 1243259.75 607251.99 1025.46 1 1 
436572.916365 1240865.13 604252.0 223.11 1 1 
269.831362
436842.747727 1243023.03 604252.8 780.48 2 1 
436850.722618 1243267.28 605856.0 892.24 4 1 
 
1157657 1st returns
513902 2nd returns
145381 3rd returns
22874 4th returns
99194 ground returns
0 blunders

curvature versus slope
  n = 57918 
  X=0, Y = 45.25 +/- 35.63 
  Weighted least-squares fit:  Y = 67.9 + 1.080 X  + -0.01014 X**2 
 
slope versus dZ, curvature < 5
  n = 1661 
 
  Weighted least-squares fit:  Y = 7.4 + 0.456 X  + -0.00033 X**2 
     at X = 100, Y = 49.8 
     effective RMSE xy = 77.3 
 
slope versus dZ, curvature < 15
  n = 5224 
 
  Weighted least-squares fit:  Y = 8.7 + 0.480 X  + -0.00045 X**2 
 
curvature versus dZ, slope < 10
  n = 890 
  X=0, Y = 10.92 +/- 6.13 
  Weighted least-squares fit:  Y = 10.4 + 1.069 X  + 0.12312 X**2 
 
 
Number of samples 58200
Max dz = 900
Mean dz = 57
RMS dz = 120.84701072
100cm = 86.0687285223 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