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ps5312
d:\northps\block456-14jan08\ps5312.txt
17 Jan 08 21:09:36 Thursday  elapsed time 00:07:07
Rectangular area = 0.875 km2
Data area = 0.863 km2
*percent double coverage = 82.728
**low-curvature dc area = 0.003 km2
1st-return RMSE, low-curvature areas = 1.839
95p = 2.799, 98p = 2.997, 99.5p = 3.342
BE RMSE = 3.309
95p = 6.042, 98p = 9.526, 99.5p = 17.128
1191511 unique returns and 0 duplicate returns
 
164464.936979 1432265.34 535246.98 986.13 2 1 
164475.036101 1430104.93 535248.34 1410.11 1 1 
440.718434
164915.754535 1429270.2 535240.01 1537.1 2 2 
164930.410324 1432269.71 532442.2 1281.31 1 1 
921.678948
165852.089272 1432268.44 535238.26 963.95 2 1 
165865.876809 1429270.79 532298.86 1163.14 1 1 
321.743563
166187.620372 1429273.27 534149.36 1110.7 2 2 
166203.789226 1432267.27 532257.05 1347.84 1 1 
 
594622 1st returns
596889 2nd returns
0 3rd returns
0 4th returns
127742 ground returns
0 blunders

curvature versus slope
  n = 479832 
  X=0, Y = 53.37 +/- 27.99 
  Weighted least-squares fit:  Y = 66.5 + 1.474 X  + -0.01579 X**2 
 
slope versus dZ, curvature < 5
  n = 50807 
 
  Weighted least-squares fit:  Y = 46.9 + 0.606 X  + -0.00350 X**2 
     at X = 100, Y = 72.4 
     effective RMSE xy = 86.8 
 
slope versus dZ, curvature < 15
  n = 159242 
 
  Weighted least-squares fit:  Y = 49.5 + 0.557 X  + -0.00282 X**2 
 
curvature versus dZ, slope < 10
  n = 3737 
  X=0, Y = 48.52 +/- 16.39 
  Weighted least-squares fit:  Y = 44.6 + 2.783 X  + -0.08879 X**2 
 
 
Number of samples 482660
Max dz = 900
Mean dz = 76
RMS dz = 108.485022008
100cm = 75.6085028799 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