==================================================
ps2744
d:\northps\block456-14jan08\ps2744.txt
16 Jan 08 02:32:49 Wednesday  elapsed time 00:10:05
Rectangular area = 0.875 km2
Data area = 0.874 km2
*percent double coverage = 57.468
**low-curvature dc area = 0.045 km2
1st-return RMSE, low-curvature areas = 1.112
95p = 2.508, 98p = 2.896, 99.5p = 3.285
BE RMSE = 1.979
95p = 3.746, 98p = 5.529, 99.5p = 9.580
1865761 unique returns and 0 duplicate returns
 
231373.587912 1450269.84 606332.66 3653.81 2 1 
231388.757968 1447275.55 604252.76 4299.69 2 1 
424.209702
231812.96767 1447274.82 604256.88 4297.57 2 2 
231828.310133 1450265.8 607251.92 3413.26 1 1 
1221.0024
233049.312533 1450263.95 607251.67 3430.99 1 1 
233062.746087 1447270.54 606103.79 3911.07 2 1 
 
925808 1st returns
939953 2nd returns
0 3rd returns
0 4th returns
406284 ground returns
0 blunders

curvature versus slope
  n = 181940 
  X=0, Y = 48.99 +/- 19.91 
  Weighted least-squares fit:  Y = 58.0 + 2.158 X  + -0.02430 X**2 
 
slope versus dZ, curvature < 5
  n = 106924 
 
  Weighted least-squares fit:  Y = 7.9 + 0.020 X  + 0.00600 X**2 
     at X = 100, Y = 69.9 
     effective RMSE xy = 109.1 
 
slope versus dZ, curvature < 15
  n = 149635 
 
  Weighted least-squares fit:  Y = 7.8 + 0.071 X  + 0.00521 X**2 
 
curvature versus dZ, slope < 10
  n = 315 
  X=0, Y = 22.40 +/- 12.33 
  Weighted least-squares fit:  Y = 22.0 + 2.734 X  + -1.30375 X**2 
 
 
Number of samples 182886
Max dz = 900
Mean dz = 29
RMS dz = 74.6726188104
100cm = 97.3978325296 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