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ps2407
d:\northps\block456-14jan08\ps2407.txt
15 Jan 08 21:40:51 Tuesday  elapsed time 00:14:04
Rectangular area = 0.875 km2
Data area = 0.844 km2
*percent double coverage = 97.757
**low-curvature dc area = 0.004 km2
1st-return RMSE, low-curvature areas = 1.376
95p = 1.976, 98p = 2.127, 99.5p = 2.371
BE RMSE = 2.923
95p = 5.766, 98p = 7.703, 99.5p = 11.174
1702950 unique returns and 0 duplicate returns
 
235077.187302 1444269.88 617935.12 2458.83 1 1 
235091.02286 1441272.36 616257.12 868.26 1 1 
427.832539
235518.855399 1441272.28 616257.84 867.63 2 2 
235534.411054 1444269.69 619208.26 2662.98 1 1 
540.705887
236075.116941 1444267.89 619246.59 2622.44 1 1 
236090.254163 1441271.35 616254.09 972.0 1 1 
405.618406
236495.872569 1441426.47 618038.07 714.11 1 1 
236509.0375 1444248.54 619247.17 2592.67 1 1 
 
847900 1st returns
855050 2nd returns
0 3rd returns
0 4th returns
95374 ground returns
0 blunders

curvature versus slope
  n = 94188 
  X=0, Y = 50.10 +/- 23.38 
  Weighted least-squares fit:  Y = 66.6 + 1.578 X  + -0.01616 X**2 
 
slope versus dZ, curvature < 5
  n = 17859 
 
  Weighted least-squares fit:  Y = 59.6 + 0.272 X  + -0.00188 X**2 
     at X = 100, Y = 68.0 
     effective RMSE xy = 51.6 
 
slope versus dZ, curvature < 15
  n = 41572 
 
  Weighted least-squares fit:  Y = 77.4 + -0.386 X  + 0.00401 X**2 
 
curvature versus dZ, slope < 10
  n = 53 
  X=0, Y = 58.00 +/- 8.76 
  Weighted least-squares fit:  Y = 52.4 + 10.906 X  + -0.68606 X**2 
 
 
Number of samples 94839
Max dz = 900
Mean dz = 90
RMS dz = 142.569281404
100cm = 69.8963506574 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