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ps2583
d:\northps\block456-14jan08\ps2583.txt
16 Jan 08 00:22:45 Wednesday  elapsed time 00:08:11
Rectangular area = 0.875 km2
Data area = 0.874 km2
*percent double coverage = 81.302
**low-curvature dc area = 0.045 km2
1st-return RMSE, low-curvature areas = 0.746
95p = 1.384, 98p = 1.603, 99.5p = 1.876
BE RMSE = 2.152
95p = 4.290, 98p = 6.624, 99.5p = 10.730
1623645 unique returns and 0 duplicate returns
 
259334.941359 1516270.86 610252.21 4359.72 1 1 
259351.907599 1519268.07 613251.94 4355.54 1 1 
1342.128851
260694.03645 1516270.96 610254.86 4358.28 2 1 
260712.660747 1519268.44 613249.93 4330.26 2 1 
902.954469
261615.615216 1519268.44 612214.89 3498.46 2 2 
261630.413004 1516760.82 610252.14 4042.46 1 1 
 
809986 1st returns
813659 2nd returns
0 3rd returns
0 4th returns
390763 ground returns
0 blunders

curvature versus slope
  n = 938247 
  X=0, Y = 54.84 +/- 18.68 
  Weighted least-squares fit:  Y = 61.1 + 1.869 X  + -0.02084 X**2 
 
slope versus dZ, curvature < 5
  n = 194935 
 
  Weighted least-squares fit:  Y = 22.4 + -0.109 X  + 0.00479 X**2 
     at X = 100, Y = 59.3 
     effective RMSE xy = 86.3 
 
slope versus dZ, curvature < 15
  n = 449709 
 
  Weighted least-squares fit:  Y = 23.1 + -0.068 X  + 0.00488 X**2 
 
curvature versus dZ, slope < 10
  n = 1610 
  X=0, Y = 17.24 +/- 9.51 
  Weighted least-squares fit:  Y = 17.0 + 1.463 X  + 0.04882 X**2 
 
 
Number of samples 948797
Max dz = 900
Mean dz = 46
RMS dz = 70.0571195525
100cm = 89.4649751211 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