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ps4820
d:\northps\block456-14jan08\ps4820.txt
17 Jan 08 06:30:34 Thursday  elapsed time 00:05:29
Rectangular area = 0.875 km2
Data area = 0.874 km2
*percent double coverage = 34.803
**low-curvature dc area = 0.071 km2
1st-return RMSE, low-curvature areas = 0.368
95p = 0.740, 98p = 0.873, 99.5p = 1.035
BE RMSE = 0.871
95p = 1.331, 98p = 1.932, 99.5p = 3.714
1247246 unique returns and 0 duplicate returns
 
259442.291831 1209464.39 547251.95 275.39 2 10 
259458.50549 1207271.6 544252.59 619.46 1 1 
567.965593
260026.471083 1208402.34 544252.62 399.19 2 10 
260041.029146 1210248.21 547251.79 270.3 1 2 
 
1026093 1st returns
180636 2nd returns
36586 3rd returns
3931 4th returns
258215 ground returns
0 blunders

curvature versus slope
  n = 287130 
  X=0, Y = 14.41 +/- 9.90 
  Weighted least-squares fit:  Y = 20.9 + 4.099 X  + -0.04695 X**2 
 
slope versus dZ, curvature < 5
  n = 135943 
  X=0, Y = 13.00 +/- 5.42 
  Weighted least-squares fit:  Y = 9.4 + 0.223 X  + 0.00127 X**2 
     at X = 100, Y = 44.4 
     effective RMSE xy = 68.2 
 
slope versus dZ, curvature < 15
  n = 193679 
  X=0, Y = 12.08 +/- 5.98 
  Weighted least-squares fit:  Y = 9.3 + 0.259 X  + 0.00124 X**2 
 
curvature versus dZ, slope < 10
  n = 100628 
  X=0, Y = 11.22 +/- 6.86 
  Weighted least-squares fit:  Y = 10.5 + 0.772 X  + 0.07201 X**2 
 
 
Number of samples 290708
Max dz = 900
Mean dz = 20
RMS dz = 45.2437841035
100cm = 97.400140347 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