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ps2844
d:\northps\block456-14jan08\ps2844.txt
16 Jan 08 04:00:15 Wednesday  elapsed time 00:15:59
Rectangular area = 0.877 km2
Data area = 0.874 km2
*percent double coverage = 97.529
**low-curvature dc area = 0.366 km2
1st-return RMSE, low-curvature areas = 0.729
95p = 1.554, 98p = 1.868, 99.5p = 2.295
BE RMSE = 6.215
95p = 9.551, 98p = 17.026, 99.5p = 34.387
3325396 unique returns and 0 duplicate returns
 
229734.872529 1462269.96 602552.6 4518.03 1 2 
229749.365514 1459270.35 601259.9 4064.95 1 1 
326.858888
230076.224402 1459270.18 601282.99 4061.55 2 2 
230091.674577 1462269.6 604152.3 5515.37 1 2 
376.099611
230467.774188 1461968.36 604251.28 5550.07 1 1 
230479.639286 1459270.08 603434.91 4924.82 2 1 
474.389734
230954.02902 1459270.16 601820.31 4313.69 1 1 
230969.450374 1462269.98 604239.98 5546.51 2 1 
92632.189822
323601.640196 1462269.76 602748.5 4525.82 1 1 
323614.578736 1459270.31 601253.8 4065.69 1 1 
 
1659475 1st returns
1665921 2nd returns
0 3rd returns
0 4th returns
637066 ground returns
0 blunders

curvature versus slope
  n = 1571648 
  X=0, Y = 51.73 +/- 23.92 
  Weighted least-squares fit:  Y = 60.6 + 2.195 X  + -0.02511 X**2 
 
slope versus dZ, curvature < 5
  n = 855016 
 
  Weighted least-squares fit:  Y = 29.1 + -0.279 X  + 0.00315 X**2 
     at X = 100, Y = 32.6 
     effective RMSE xy = 23.3 
 
slope versus dZ, curvature < 15
  n = 1363824 
 
  Weighted least-squares fit:  Y = 29.7 + -0.296 X  + 0.00332 X**2 
 
curvature versus dZ, slope < 10
  n = 34003 
  X=0, Y = 26.63 +/- 14.27 
  Weighted least-squares fit:  Y = 26.5 + 0.502 X  + 0.01612 X**2 
 
 
Number of samples 1580131
Max dz = 800
Mean dz = 22
RMS dz = 29.7657521323
100cm = 99.3915061473 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