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ps0721
d:\northps\block123-14dec07\ps0721.txt
14 Dec 07 19:31:46 Friday  elapsed time 00:07:29
Rectangular area = 0.875 km2
Data area = 0.867 km2
*percent double coverage = 99.748
**low-curvature dc area = 0.021 km2
1st-return RMSE, low-curvature areas = 0.351
95p = 0.715, 98p = 0.859, 99.5p = 1.015
BE RMSE = 2.148
95p = 4.306, 98p = 6.372, 99.5p = 10.257
2026570 unique returns and 0 duplicate returns
 
414710.106541 1324269.31 705517.92 441.59 2 2 
414720.417344 1324109.44 703252.18 753.13 1 1 
1130.728857
415851.146201 1322361.94 703255.79 1078.75 2 2 
415865.49002 1324263.73 706251.11 443.08 1 1 
562.337588
416427.827608 1324262.37 706251.93 451.57 2 1 
416443.650076 1321276.83 703252.45 1369.34 2 1 
1165.300093
417608.950169 1321271.69 703252.0 1369.32 2 1 
417623.610276 1323612.14 706251.46 443.57 1 1 
 
1009635 1st returns
1016935 2nd returns
0 3rd returns
0 4th returns
144008 ground returns
0 blunders

curvature versus slope
  n = 521117 
  X=0, Y = 20.88 +/- 17.36 
  Weighted least-squares fit:  Y = 50.4 + 2.438 X  + -0.02694 X**2 
 
slope versus dZ, curvature < 5
  n = 60603 
  X=0, Y = 12.12 +/- 4.08 
  Weighted least-squares fit:  Y = 9.8 + 0.294 X  + 0.00180 X**2 
     at X = 100, Y = 57.1 
     effective RMSE xy = 88.4 
 
slope versus dZ, curvature < 15
  n = 130512 
  X=0, Y = 12.12 +/- 4.08 
  Weighted least-squares fit:  Y = 9.8 + 0.430 X  + 0.00082 X**2 
 
curvature versus dZ, slope < 10
  n = 44355 
  X=0, Y = 10.34 +/- 7.27 
  Weighted least-squares fit:  Y = 10.7 + 1.674 X  + 0.04490 X**2 
 
 
Number of samples 528136
Max dz = 900
Mean dz = 50
RMS dz = 81.7312669668
100cm = 85.6677068028 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