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ps3980
d:\northps\block123-14dec07\ps3980.txt
26 Dec 07 14:02:50 Wednesday  elapsed time 00:04:06
Rectangular area = 0.875 km2
Data area = 0.873 km2
*percent double coverage = 30.972
**low-curvature dc area = 0.001 km2
1st-return RMSE, low-curvature areas = 2.252
95p = 3.012, 98p = 3.405, 99.5p = 3.838
BE RMSE = 3.160
95p = 5.856, 98p = 7.687, 99.5p = 10.114
1327998 unique returns and 0 duplicate returns
 
178739.704254 1330270.05 571244.52 2314.4 2 1 
178755.02262 1333269.78 568301.49 1792.97 1 1 
1002.645977
179757.668597 1333263.88 571247.76 2608.52 2 1 
179770.440629 1330270.24 571182.85 2356.69 1 1 
 
660695 1st returns
667303 2nd returns
0 3rd returns
0 4th returns
170647 ground returns
0 blunders

curvature versus slope
  n = 107437 
  X=0, Y = 40.63 +/- 25.29 
  Weighted least-squares fit:  Y = 57.2 + 1.685 X  + -0.01709 X**2 
 
slope versus dZ, curvature < 5
  n = 10142 
 
  Weighted least-squares fit:  Y = 46.0 + 1.612 X  + -0.00515 X**2 
     at X = 100, Y = 155.7 
     effective RMSE xy = 233.7 
 
slope versus dZ, curvature < 15
  n = 29106 
 
  Weighted least-squares fit:  Y = 48.8 + 1.532 X  + -0.00436 X**2 
 
curvature versus dZ, slope < 10
  n = 931 
  X=0, Y = 59.35 +/- 13.14 
  Weighted least-squares fit:  Y = 58.0 + 6.731 X  + -0.68556 X**2 
 
 
Number of samples 108378
Max dz = 900
Mean dz = 126
RMS dz = 155.704848993
100cm = 41.5139603979 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