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ps3121
d:\northps\block456-14jan08\ps3121.txt
16 Jan 08 08:20:23 Wednesday  elapsed time 00:11:07
Rectangular area = 0.875 km2
Data area = 0.874 km2
*percent double coverage = 88.141
**low-curvature dc area = 0.001 km2
1st-return RMSE, low-curvature areas = 1.900
95p = 3.196, 98p = 3.928, 99.5p = 4.404
BE RMSE = 2.531
95p = 4.694, 98p = 6.362, 99.5p = 9.988
1802503 unique returns and 0 duplicate returns
 
235816.234732 1372269.97 592738.59 2309.68 2 1 
235830.902179 1369271.24 592256.53 1963.97 1 1 
1054.657462
236885.559641 1369274.41 594518.53 2445.64 2 2 
236900.198732 1372268.82 592254.23 2231.86 2 1 
675.638756
237575.837488 1372269.92 592771.59 2318.46 2 1 
237590.135893 1369270.02 592758.19 2183.97 1 1 
1055.808726
238645.944619 1369273.38 595251.03 2716.66 2 1 
238659.078491 1372269.76 594890.24 3220.99 2 2 
 
896564 1st returns
905939 2nd returns
0 3rd returns
0 4th returns
174827 ground returns
0 blunders

curvature versus slope
  n = 260211 
  X=0, Y = 51.86 +/- 28.78 
  Weighted least-squares fit:  Y = 67.8 + 1.279 X  + -0.01315 X**2 
 
slope versus dZ, curvature < 5
  n = 17616 
 
  Weighted least-squares fit:  Y = 42.8 + -0.055 X  + 0.00340 X**2 
     at X = 100, Y = 71.3 
     effective RMSE xy = 89.6 
 
slope versus dZ, curvature < 15
  n = 53469 
 
  Weighted least-squares fit:  Y = 43.3 + -0.115 X  + 0.00429 X**2 
 
curvature versus dZ, slope < 10
  n = 1402 
  X=0, Y = 42.56 +/- 9.87 
  Weighted least-squares fit:  Y = 41.1 + -0.279 X  + 0.13066 X**2 
 
 
Number of samples 264290
Max dz = 900
Mean dz = 75
RMS dz = 119.540788018
100cm = 74.7141397707 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