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ps1978
d:\northps\block456-14jan08\ps1978.txt
15 Jan 08 16:06:45 Tuesday  elapsed time 00:10:43
Rectangular area = 0.875 km2
Data area = 0.874 km2
*percent double coverage = 88.410
**low-curvature dc area = 0.120 km2
1st-return RMSE, low-curvature areas = 1.159
95p = 2.410, 98p = 2.901, 99.5p = 3.448
BE RMSE = 2.254
95p = 3.882, 98p = 5.918, 99.5p = 10.837
1928944 unique returns and 0 duplicate returns
 
262438.080941 1576270.41 636720.38 5209.28 1 2 
262443.647596 1577530.32 637250.17 4747.09 1 2 
455.117462
262898.765058 1579264.55 637251.19 4618.89 1 1 
262916.666397 1576275.23 634820.65 5167.36 2 1 
1091.104531
264007.770928 1576273.92 634253.18 5178.48 1 2 
264026.844988 1579268.79 637244.14 4670.21 2 1 
354.387034
264381.232022 1579268.83 636215.97 4702.21 1 2 
264395.929799 1576371.09 634252.13 5123.42 1 1 
 
961266 1st returns
967678 2nd returns
0 3rd returns
0 4th returns
518174 ground returns
0 blunders

curvature versus slope
  n = 618642 
  X=0, Y = 50.58 +/- 23.02 
  Weighted least-squares fit:  Y = 60.6 + 1.896 X  + -0.02074 X**2 
 
slope versus dZ, curvature < 5
  n = 274075 
 
  Weighted least-squares fit:  Y = 12.2 + 0.305 X  + 0.00440 X**2 
     at X = 100, Y = 86.7 
     effective RMSE xy = 134.9 
 
slope versus dZ, curvature < 15
  n = 459655 
 
  Weighted least-squares fit:  Y = 12.0 + 0.369 X  + 0.00382 X**2 
 
curvature versus dZ, slope < 10
  n = 9062 
  X=0, Y = 16.38 +/- 8.37 
  Weighted least-squares fit:  Y = 16.8 + 0.385 X  + 0.02469 X**2 
 
 
Number of samples 622743
Max dz = 900
Mean dz = 45
RMS dz = 63.835726674
100cm = 92.2056129093 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