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ps3978
d:\northps\block123-14dec07\ps3978.txt
26 Dec 07 13:58:37 Wednesday  elapsed time 00:04:51
Rectangular area = 0.875 km2
Data area = 0.872 km2
*percent double coverage = 28.374
**low-curvature dc area = 0.002 km2
1st-return RMSE, low-curvature areas = 1.827
95p = 2.614, 98p = 2.892, 99.5p = 3.304
BE RMSE = 3.179
95p = 6.281, 98p = 8.390, 99.5p = 11.840
1281402 unique returns and 0 duplicate returns
 
160291.821908 1324270.26 568253.68 1158.58 2 2 
160293.521325 1324669.77 568253.04 1288.58 1 1 
18418.322712
178711.844037 1324270.38 571241.29 2117.9 1 2 
178727.794676 1327269.62 568262.95 1331.96 2 1 
1055.702169
179783.496845 1327269.16 571249.55 2058.44 2 1 
179796.465559 1324270.63 571033.88 2151.25 2 1 
 
635582 1st returns
645820 2nd returns
0 3rd returns
0 4th returns
214973 ground returns
0 blunders

curvature versus slope
  n = 184840 
  X=0, Y = 47.30 +/- 23.07 
  Weighted least-squares fit:  Y = 55.8 + 1.628 X  + -0.01588 X**2 
 
slope versus dZ, curvature < 5
  n = 19872 
 
  Weighted least-squares fit:  Y = 39.2 + 0.774 X  + -0.00031 X**2 
     at X = 100, Y = 113.5 
     effective RMSE xy = 167.3 
 
slope versus dZ, curvature < 15
  n = 60689 
 
  Weighted least-squares fit:  Y = 40.3 + 0.763 X  + -0.00008 X**2 
 
curvature versus dZ, slope < 10
  n = 1129 
  X=0, Y = 47.36 +/- 10.99 
  Weighted least-squares fit:  Y = 47.5 + -0.287 X  + 0.04447 X**2 
 
 
Number of samples 185834
Max dz = 900
Mean dz = 87
RMS dz = 109.201648339
100cm = 70.3116760119 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