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ps4000
d:\northps\block456-14jan08\ps4000.txt
16 Jan 08 19:29:02 Wednesday  elapsed time 00:07:02
Rectangular area = 0.875 km2
Data area = 0.874 km2
*percent double coverage = 99.406
**low-curvature dc area = 0.007 km2
1st-return RMSE, low-curvature areas = 4.158
95p = 5.395, 98p = 5.976, 99.5p = 6.577
BE RMSE = 3.969
95p = 7.672, 98p = 11.018, 99.5p = 17.258
1877388 unique returns and 0 duplicate returns
 
179009.374194 1390270.17 569837.98 1152.0 1 1 
179023.831568 1393269.92 568272.1 587.2 2 1 
465.95934
179489.790908 1393268.61 571250.48 1314.99 2 1 
179503.870799 1390270.11 568375.67 644.78 1 1 
1019.833868
180523.704667 1390270.43 571232.73 1261.52 2 2 
180538.940779 1393269.33 568903.95 628.29 1 1 
 
935634 1st returns
941754 2nd returns
0 3rd returns
0 4th returns
109121 ground returns
0 blunders

curvature versus slope
  n = 624235 
  X=0, Y = 41.28 +/- 24.71 
  Weighted least-squares fit:  Y = 55.0 + 2.135 X  + -0.02316 X**2 
 
slope versus dZ, curvature < 5
  n = 54878 
 
  Weighted least-squares fit:  Y = 125.2 + 0.784 X  + -0.00735 X**2 
     at X = 100, Y = 130.1 
     effective RMSE xy = 55.3 
 
slope versus dZ, curvature < 15
  n = 161764 
 
  Weighted least-squares fit:  Y = 128.8 + 0.581 X  + -0.00503 X**2 
 
curvature versus dZ, slope < 10
  n = 9375 
  X=0, Y = 121.70 +/- 48.69 
  Weighted least-squares fit:  Y = 131.9 + -0.723 X  + -0.20139 X**2 
 
 
Number of samples 626979
Max dz = 900
Mean dz = 126
RMS dz = 153.489413316
100cm = 41.2187649028 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