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ps0253
d:\northps\block123-14dec07\ps0253.txt
14 Dec 07 15:01:35 Friday  elapsed time 00:04:40
Rectangular area = 0.875 km2
Data area = 0.838 km2
*percent double coverage = 32.612
**low-curvature dc area = 0.007 km2
1st-return RMSE, low-curvature areas = 0.560
95p = 0.988, 98p = 1.251, 99.5p = 1.831
BE RMSE = 1.548
95p = 3.103, 98p = 4.300, 99.5p = 6.604
1463707 unique returns and 0 duplicate returns
 
324533.282993 1373331.14 727250.27 3866.08 2 2 
324549.95273 1372274.33 724253.24 4238.02 1 1 
1368.124941
325918.077671 1372271.75 724252.66 4238.37 1 2 
325930.677467 1375203.72 727251.98 4457.77 2 1 
 
726956 1st returns
736751 2nd returns
0 3rd returns
0 4th returns
227349 ground returns
0 blunders

curvature versus slope
  n = 60764 
  X=0, Y = 38.63 +/- 18.30 
  Weighted least-squares fit:  Y = 46.6 + 2.456 X  + -0.02527 X**2 
 
slope versus dZ, curvature < 5
  n = 23205 
 
  Weighted least-squares fit:  Y = 19.2 + -0.128 X  + 0.00378 X**2 
     at X = 100, Y = 44.2 
     effective RMSE xy = 62.5 
 
slope versus dZ, curvature < 15
  n = 38120 
 
  Weighted least-squares fit:  Y = 19.5 + -0.159 X  + 0.00506 X**2 
 
curvature versus dZ, slope < 10
  n = 2172 
  X=0, Y = 17.73 +/- 6.64 
  Weighted least-squares fit:  Y = 18.3 + -1.144 X  + 0.49940 X**2 
 
 
Number of samples 61435
Max dz = 900
Mean dz = 34
RMS dz = 96.0208310733
100cm = 94.0278342964 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