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ps1997
d:\northps\block123-14dec07\ps1997.txt
15 Dec 07 07:12:19 Saturday  elapsed time 00:06:55
Rectangular area = 0.875 km2
Data area = 0.767 km2
*percent double coverage = 97.231
**low-curvature dc area = 0.041 km2
1st-return RMSE, low-curvature areas = 0.813
95p = 1.562, 98p = 1.743, 99.5p = 1.995
BE RMSE = 1.519
95p = 3.228, 98p = 4.468, 99.5p = 6.399
1662313 unique returns and 0 duplicate returns
 
440817.915939 1278927.64 633087.65 312.79 1 2 
440826.475145 1278752.15 631252.1 493.66 2 1 
514.536605
441341.01175 1276999.96 631252.07 555.32 2 1 
441354.554841 1279082.67 634243.91 311.85 2 1 
616.232685
441970.787526 1278297.39 634240.51 311.69 1 2 
441985.98936 1276276.06 631252.78 787.43 1 1 
499.593376
442485.582736 1276289.84 631252.42 783.63 2 1 
442499.170532 1276891.69 634250.93 316.42 2 2 
 
829206 1st returns
833107 2nd returns
0 3rd returns
0 4th returns
147326 ground returns
0 blunders

curvature versus slope
  n = 684253 
  X=0, Y = 18.89 +/- 14.20 
  Weighted least-squares fit:  Y = 35.0 + 3.537 X  + -0.04112 X**2 
 
slope versus dZ, curvature < 5
  n = 179003 
  X=0, Y = 7.18 +/- 5.97 
  Weighted least-squares fit:  Y = 18.6 + 0.312 X  + 0.00290 X**2 
     at X = 100, Y = 78.8 
     effective RMSE xy = 120.3 
 
slope versus dZ, curvature < 15
  n = 321004 
  X=0, Y = 7.40 +/- 5.16 
  Weighted least-squares fit:  Y = 18.8 + 0.365 X  + 0.00283 X**2 
 
curvature versus dZ, slope < 10
  n = 126408 
  X=0, Y = 19.27 +/- 13.45 
  Weighted least-squares fit:  Y = 20.2 + 1.564 X  + 0.05291 X**2 
 
 
Number of samples 695376
Max dz = 900
Mean dz = 47
RMS dz = 77.8074546557
100cm = 87.7841628126 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