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ps3979
d:\northps\block123-14dec07\ps3979.txt
26 Dec 07 12:16:31 Wednesday  elapsed time 00:04:12
Rectangular area = 0.875 km2
Data area = 0.870 km2
*percent double coverage = 30.237
**low-curvature dc area = 0.003 km2
1st-return RMSE, low-curvature areas = 2.193
95p = 2.958, 98p = 3.247, 99.5p = 3.657
BE RMSE = 2.864
95p = 5.438, 98p = 7.061, 99.5p = 10.604
1237739 unique returns and 0 duplicate returns
 
178726.179532 1327270.92 571249.04 2056.55 1 1 
178741.592042 1330269.94 568267.98 1373.19 2 1 
1028.810226
179770.402268 1330269.98 570321.48 2199.58 1 1 
179783.502325 1327270.05 571109.07 2004.56 2 1 
 
616648 1st returns
621091 2nd returns
0 3rd returns
0 4th returns
200590 ground returns
0 blunders

curvature versus slope
  n = 187488 
  X=0, Y = 42.67 +/- 23.64 
  Weighted least-squares fit:  Y = 55.3 + 1.671 X  + -0.01701 X**2 
 
slope versus dZ, curvature < 5
  n = 24948 
 
  Weighted least-squares fit:  Y = 50.4 + 0.701 X  + 0.00027 X**2 
     at X = 100, Y = 123.2 
     effective RMSE xy = 176.6 
 
slope versus dZ, curvature < 15
  n = 68512 
 
  Weighted least-squares fit:  Y = 50.1 + 0.763 X  + -0.00041 X**2 
 
curvature versus dZ, slope < 10
  n = 1151 
  X=0, Y = 59.65 +/- 9.50 
  Weighted least-squares fit:  Y = 58.0 + 1.441 X  + -0.02953 X**2 
 
 
Number of samples 188482
Max dz = 900
Mean dz = 92
RMS dz = 116.948706705
100cm = 65.0666907185 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