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ps4469
d:\northps\consistency\ps4469.txt
27 Jan 08 08:50:24 Sunday  elapsed time 00:04:01
Rectangular area = 0.875 km2
Data area = 0.695 km2
*percent double coverage = 57.065
**low-curvature dc area = 0.182 km2
1st-return RMSE, low-curvature areas = 0.781
95p = 1.474, 98p = 1.626, 99.5p = 1.822
BE RMSE = 0.808
95p = 1.493, 98p = 2.463, 99.5p = 4.239
574362 unique returns and 0 duplicate returns
 
351993.216142 1498269.3 559248.39 332.46 2 2 
352007.419544 1495270.04 557183.97 326.41 2 1 
5396.034491
357403.454035 1495271.79 559236.76 325.84 2 2 
357417.99129 1498250.48 556283.76 321.49 2 1 
507.394884
357925.386174 1498269.92 557220.52 335.13 1 2 
357939.113051 1495270.1 556256.73 404.58 1 1 
 
286746 1st returns
287616 2nd returns
0 3rd returns
0 4th returns
90636 ground returns
0 blunders

curvature versus slope
  n = 475843 
  X=0, Y = 13.06 +/- 11.74 
  Weighted least-squares fit:  Y = 19.8 + 4.453 X  + -0.05158 X**2 
 
slope versus dZ, curvature < 5
  n = 394347 
  X=0, Y = 5.35 +/- 6.47 
  Weighted least-squares fit:  Y = 21.1 + 0.137 X  + 0.00529 X**2 
     at X = 100, Y = 87.6 
     effective RMSE xy = 133.6 
 
slope versus dZ, curvature < 15
  n = 421738 
  X=0, Y = 5.36 +/- 6.47 
  Weighted least-squares fit:  Y = 20.3 + 0.255 X  + 0.00488 X**2 
 
curvature versus dZ, slope < 10
  n = 344507 
  X=0, Y = 21.68 +/- 15.95 
  Weighted least-squares fit:  Y = 22.0 + 1.703 X  + 0.01932 X**2 
 
 
Number of samples 481686
Max dz = 900
Mean dz = 31
RMS dz = 74.966659256
100cm = 95.314790133 percentile value of dz
Mean dz (curv<=5) = 19
RMS dz (curv<=5) = 29.7825452237

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