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ps2552
d:\northps\block123-14dec07\ps2552.txt
15 Dec 07 10:12:55 Saturday  elapsed time 00:07:20
Rectangular area = 0.875 km2
Data area = 0.871 km2
*percent double coverage = 97.709
**low-curvature dc area = 0.010 km2
1st-return RMSE, low-curvature areas = 0.717
95p = 1.217, 98p = 1.429, 99.5p = 1.696
BE RMSE = 2.242
95p = 4.396, 98p = 6.677, 99.5p = 11.151
1904524 unique returns and 0 duplicate returns
 
256084.390678 1325487.67 613251.52 460.6 1 1 
256099.358177 1324270.61 610255.6 728.33 1 2 
290.061241
256389.419418 1324270.96 610252.73 737.44 2 1 
256404.51904 1327238.48 613250.93 930.62 1 1 
1333.756603
257738.275643 1327243.01 613251.82 943.52 1 1 
257754.00958 1324334.45 610252.48 748.02 2 1 
410.224925
258164.234505 1326762.54 610252.09 464.7 2 1 
258178.172312 1327264.61 613251.7 922.29 1 1 
 
950336 1st returns
954188 2nd returns
0 3rd returns
0 4th returns
166742 ground returns
0 blunders

curvature versus slope
  n = 701402 
  X=0, Y = 33.48 +/- 28.00 
  Weighted least-squares fit:  Y = 59.6 + 1.697 X  + -0.01762 X**2 
 
slope versus dZ, curvature < 5
  n = 42889 
  X=0, Y = 27.52 +/- 8.58 
  Weighted least-squares fit:  Y = 28.8 + -0.026 X  + 0.00284 X**2 
     at X = 100, Y = 54.6 
     effective RMSE xy = 72.8 
 
slope versus dZ, curvature < 15
  n = 114022 
  X=0, Y = 27.52 +/- 8.58 
  Weighted least-squares fit:  Y = 28.6 + 0.159 X  + 0.00185 X**2 
 
curvature versus dZ, slope < 10
  n = 18836 
  X=0, Y = 26.78 +/- 11.53 
  Weighted least-squares fit:  Y = 27.1 + 1.291 X  + 0.06803 X**2 
 
 
Number of samples 716472
Max dz = 900
Mean dz = 64
RMS dz = 94.8577882938
100cm = 79.477774428 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