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ps1813
d:\northps\block123-14dec07\ps1813.txt
15 Dec 07 06:13:58 Saturday  elapsed time 00:07:25
Rectangular area = 0.875 km2
Data area = 0.873 km2
*percent double coverage = 99.885
**low-curvature dc area = 0.002 km2
1st-return RMSE, low-curvature areas = 0.489
95p = 0.911, 98p = 1.063, 99.5p = 1.311
BE RMSE = 1.820
95p = 3.620, 98p = 5.244, 99.5p = 8.119
2010945 unique returns and 0 duplicate returns
 
320279.453599 1354273.81 641718.08 1913.8 2 2 
320286.136033 1354555.86 643251.98 1482.11 1 1 
1154.488869
321440.624902 1356335.67 643249.24 1421.0 1 1 
321457.920988 1354274.87 640253.84 2489.64 1 1 
597.365835
322055.286823 1354317.12 640252.42 2437.84 1 1 
322068.49277 1357181.58 643251.64 1570.94 2 1 
1108.631012
323177.123782 1357265.56 643251.63 1581.93 2 1 
323193.735757 1355482.11 640252.2 2508.22 1 1 
 
1002029 1st returns
1008916 2nd returns
0 3rd returns
0 4th returns
155004 ground returns
0 blunders

curvature versus slope
  n = 525022 
  X=0, Y = 40.07 +/- 28.37 
  Weighted least-squares fit:  Y = 61.1 + 1.621 X  + -0.01673 X**2 
 
slope versus dZ, curvature < 5
  n = 23167 
 
  Weighted least-squares fit:  Y = 10.2 + 0.237 X  + 0.00245 X**2 
     at X = 100, Y = 58.4 
     effective RMSE xy = 90.3 
 
slope versus dZ, curvature < 15
  n = 77099 
 
  Weighted least-squares fit:  Y = 10.3 + 0.336 X  + 0.00200 X**2 
 
curvature versus dZ, slope < 10
  n = 8762 
  X=0, Y = 11.83 +/- 6.86 
  Weighted least-squares fit:  Y = 11.2 + 1.643 X  + 0.05300 X**2 
 
 
Number of samples 535223
Max dz = 900
Mean dz = 61
RMS dz = 92.0163029033
100cm = 80.4094741818 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