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ps1657
d:\northps\block123-14dec07\ps1657.txt
15 Dec 07 04:48:29 Saturday  elapsed time 00:07:20
Rectangular area = 0.875 km2
Data area = 0.874 km2
*percent double coverage = 98.029
**low-curvature dc area = 0.009 km2
1st-return RMSE, low-curvature areas = 0.413
95p = 0.889, 98p = 1.193, 99.5p = 1.514
BE RMSE = 2.791
95p = 4.826, 98p = 7.244, 99.5p = 12.337
1965480 unique returns and 0 duplicate returns
 
421657.449689 1303232.49 649252.13 902.6 2 1 
421659.827058 1303269.92 649794.66 1022.5 1 1 
1068.424557
422728.251615 1303269.83 652249.7 1628.88 1 1 
422743.922459 1300825.26 649252.0 1122.11 2 1 
633.788408
423377.710867 1300278.68 649252.15 1118.87 1 2 
423392.743125 1303242.79 652251.35 1610.09 1 2 
1032.824881
424425.568006 1301681.26 652251.35 1814.3 1 2 
424440.303876 1300275.88 649255.12 1220.18 1 1 
 
980159 1st returns
985321 2nd returns
0 3rd returns
0 4th returns
331177 ground returns
0 blunders

curvature versus slope
  n = 620716 
  X=0, Y = 48.61 +/- 28.69 
  Weighted least-squares fit:  Y = 64.7 + 1.360 X  + -0.01442 X**2 
 
slope versus dZ, curvature < 5
  n = 64684 
 
  Weighted least-squares fit:  Y = 8.0 + 0.357 X  + 0.00203 X**2 
     at X = 100, Y = 64.0 
     effective RMSE xy = 99.7 
 
slope versus dZ, curvature < 15
  n = 186857 
 
  Weighted least-squares fit:  Y = 8.4 + 0.474 X  + 0.00091 X**2 
 
curvature versus dZ, slope < 10
  n = 5777 
  X=0, Y = 11.09 +/- 8.04 
  Weighted least-squares fit:  Y = 9.9 + 2.572 X  + -0.02887 X**2 
 
 
Number of samples 628277
Max dz = 900
Mean dz = 50
RMS dz = 79.3914353063
100cm = 85.5592358148 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