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ps4141
d:\northps\block456-14jan08\ps4141.txt
16 Jan 08 21:17:28 Wednesday  elapsed time 00:06:27
Rectangular area = 0.875 km2
Data area = 0.874 km2
*percent double coverage = 56.772
**low-curvature dc area = 0.023 km2
1st-return RMSE, low-curvature areas = 1.193
95p = 2.219, 98p = 2.605, 99.5p = 3.241
BE RMSE = 1.245
95p = 2.369, 98p = 3.197, 99.5p = 5.149
1902858 unique returns and 0 duplicate returns
 
349042.924168 1477269.67 568249.99 3920.54 1 2 
349057.394334 1474270.59 567186.93 4041.53 2 1 
797.870599
349855.264933 1474270.81 568007.08 4230.32 2 2 
349870.449064 1477269.67 565274.1 3635.57 2 1 
689.868249
350560.317313 1477269.88 566210.86 3606.64 2 2 
350573.98659 1474270.38 565253.32 3676.58 1 1 
 
946067 1st returns
956791 2nd returns
0 3rd returns
0 4th returns
407104 ground returns
0 blunders

curvature versus slope
  n = 165764 
  X=0, Y = 38.55 +/- 13.54 
  Weighted least-squares fit:  Y = 44.9 + 2.704 X  + -0.03003 X**2 
 
slope versus dZ, curvature < 5
  n = 77715 
 
  Weighted least-squares fit:  Y = 7.8 + 0.907 X  + -0.00224 X**2 
     at X = 100, Y = 76.1 
     effective RMSE xy = 118.9 
 
slope versus dZ, curvature < 15
  n = 110777 
 
  Weighted least-squares fit:  Y = 8.3 + 0.919 X  + -0.00187 X**2 
 
curvature versus dZ, slope < 10
  n = 788 
  X=0, Y = 17.21 +/- 10.21 
  Weighted least-squares fit:  Y = 17.4 + -1.594 X  + 0.71818 X**2 
 
 
Number of samples 169329
Max dz = 900
Mean dz = 50
RMS dz = 92.876261768
100cm = 90.6099959251 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