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ps0649
d:\northps\block123-14dec07\ps0649.txt
14 Dec 07 18:51:44 Friday  elapsed time 00:06:48
Rectangular area = 0.875 km2
Data area = 0.874 km2
*percent double coverage = 99.854
**low-curvature dc area = 0.002 km2
1st-return RMSE, low-curvature areas = 0.566
95p = 1.220, 98p = 1.620, 99.5p = 1.962
BE RMSE = 1.988
95p = 3.885, 98p = 5.481, 99.5p = 8.522
1968941 unique returns and 0 duplicate returns
 
424156.094172 1306266.45 709251.25 1014.66 1 2 
424170.50684 1305335.89 706252.45 1398.74 1 1 
10765.900024
434936.406864 1303627.25 706255.41 1398.04 2 1 
434951.815458 1306256.25 709251.71 1065.81 2 1 
507.270163
435459.085621 1306097.87 709251.03 988.68 2 2 
435474.607816 1303277.99 706252.97 1417.94 1 1 
1160.788868
436635.396684 1303272.6 706254.14 1375.32 1 1 
436648.537391 1304471.29 709251.87 835.7 2 1 
 
980263 1st returns
988678 2nd returns
0 3rd returns
0 4th returns
128767 ground returns
0 blunders

curvature versus slope
  n = 246000 
  X=0, Y = 34.64 +/- 25.05 
  Weighted least-squares fit:  Y = 63.0 + 1.634 X  + -0.01697 X**2 
 
slope versus dZ, curvature < 5
  n = 15286 
 
  Weighted least-squares fit:  Y = 10.1 + 0.768 X  + -0.00048 X**2 
     at X = 100, Y = 82.2 
     effective RMSE xy = 128.2 
 
slope versus dZ, curvature < 15
  n = 39625 
 
  Weighted least-squares fit:  Y = 10.1 + 0.854 X  + -0.00091 X**2 
 
curvature versus dZ, slope < 10
  n = 5032 
  X=0, Y = 12.58 +/- 7.27 
  Weighted least-squares fit:  Y = 12.0 + 2.664 X  + -0.05518 X**2 
 
 
Number of samples 250389
Max dz = 900
Mean dz = 79
RMS dz = 120.42009799
100cm = 72.8809971684 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