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ps1453
d:\northps\block123-14dec07\ps1453.txt
15 Dec 07 02:52:52 Saturday  elapsed time 00:09:20
Rectangular area = 0.875 km2
Data area = 0.873 km2
*percent double coverage = 52.284
**low-curvature dc area = 0.153 km2
1st-return RMSE, low-curvature areas = 0.229
95p = 0.420, 98p = 0.498, 99.5p = 0.626
BE RMSE = 0.611
95p = 1.313, 98p = 1.803, 99.5p = 2.604
2212909 unique returns and 0 duplicate returns
 
439102.577244 1255272.13 661254.44 259.39 1 2 
439117.35212 1256712.64 664251.98 336.28 1 10 
54817.994957
493935.347077 1255273.99 661254.29 259.69 1 10 
493949.48104 1256618.57 664251.88 310.56 1 10 
1078.880438
495028.361478 1258260.65 664250.91 296.72 2 1 
495048.199465 1255555.85 661252.07 255.97 1 10 
603.473288
495651.672753 1257801.61 661252.08 187.71 1 10 
495666.34181 1258263.48 664249.95 348.69 1 10 
 
1701280 1st returns
404951 2nd returns
95187 3rd returns
11491 4th returns
315509 ground returns
0 blunders

curvature versus slope
  n = 851242 
  X=0, Y = 9.98 +/- 7.03 
  Weighted least-squares fit:  Y = 10.8 + 4.599 X  + -0.05174 X**2 
 
slope versus dZ, curvature < 5
  n = 514665 
  X=0, Y = 6.53 +/- 4.33 
  Weighted least-squares fit:  Y = 7.1 + 0.171 X  + 0.00033 X**2 
     at X = 100, Y = 27.6 
     effective RMSE xy = 41.8 
 
slope versus dZ, curvature < 15
  n = 700766 
  X=0, Y = 6.26 +/- 4.08 
  Weighted least-squares fit:  Y = 7.1 + 0.218 X  + 0.00052 X**2 
 
curvature versus dZ, slope < 10
  n = 556160 
  X=0, Y = 7.52 +/- 4.65 
  Weighted least-squares fit:  Y = 6.7 + 1.660 X  + -0.03170 X**2 
 
 
Number of samples 862881
Max dz = 900
Mean dz = 12
RMS dz = 31.336879232
100cm = 98.5015314974 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