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ps3891
d:\northps\block456-14jan08\ps3891.txt
16 Jan 08 18:39:36 Wednesday  elapsed time 00:06:59
Rectangular area = 0.875 km2
Data area = 0.758 km2
*percent double coverage = 97.270
**low-curvature dc area = 0.030 km2
1st-return RMSE, low-curvature areas = 0.493
95p = 0.864, 98p = 0.992, 99.5p = 1.175
BE RMSE = 1.477
95p = 2.964, 98p = 4.376, 99.5p = 6.935
1619758 unique returns and 0 duplicate returns
 
179420.436819 1408269.99 572060.41 1056.08 2 1 
179433.936819 1405270.19 571256.37 1003.85 1 1 
1156.174883
180590.111702 1405270.32 573575.48 1041.91 2 1 
180606.116702 1408267.51 571256.5 1161.34 1 1 
281.202851
180887.319553 1408269.69 574226.18 1031.61 1 1 
180901.260143 1405270.74 571500.09 1015.8 1 1 
1194.297443
182095.557586 1405270.11 574248.64 1337.43 2 1 
182109.892358 1408269.48 572518.61 852.02 1 1 
 
807780 1st returns
811978 2nd returns
0 3rd returns
0 4th returns
194419 ground returns
0 blunders

curvature versus slope
  n = 825155 
  X=0, Y = 16.43 +/- 15.70 
  Weighted least-squares fit:  Y = 45.7 + 2.597 X  + -0.02852 X**2 
 
slope versus dZ, curvature < 5
  n = 108452 
  X=0, Y = 16.78 +/- 9.16 
  Weighted least-squares fit:  Y = 15.3 + 0.085 X  + 0.00396 X**2 
     at X = 100, Y = 63.4 
     effective RMSE xy = 96.7 
 
slope versus dZ, curvature < 15
  n = 238319 
  X=0, Y = 16.78 +/- 9.16 
  Weighted least-squares fit:  Y = 14.0 + 0.267 X  + 0.00262 X**2 
 
curvature versus dZ, slope < 10
  n = 79276 
  X=0, Y = 16.65 +/- 8.68 
  Weighted least-squares fit:  Y = 16.4 + 0.223 X  + 0.14193 X**2 
 
 
Number of samples 833376
Max dz = 900
Mean dz = 47
RMS dz = 73.1436941916
100cm = 87.5824357793 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