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ps2037
d:\northps\block456-14jan08\ps2037.txt
15 Jan 08 16:25:59 Tuesday  elapsed time 00:10:27
Rectangular area = 0.875 km2
Data area = 0.874 km2
*percent double coverage = 98.883
**low-curvature dc area = 0.013 km2
1st-return RMSE, low-curvature areas = 0.287
95p = 0.560, 98p = 0.702, 99.5p = 0.960
BE RMSE = 3.589
95p = 7.081, 98p = 10.781, 99.5p = 17.907
1664009 unique returns and 0 duplicate returns
 
236948.152922 1465268.58 631391.18 2071.72 2 1 
236948.98743 1465106.37 631256.81 2351.86 2 1 
604.177352
237553.164782 1462272.58 631254.75 1833.59 1 1 
237567.266033 1465268.18 633163.1 1379.19 1 1 
343.383183
237910.649216 1465269.39 634235.72 881.1 2 2 
237927.129081 1462273.85 631252.06 1839.4 1 1 
590.775438
238517.904519 1462270.74 631568.79 1750.98 1 1 
238532.508915 1465268.72 634248.88 978.17 1 1 
351.657567
238884.166482 1464606.34 634250.28 834.66 2 2 
238894.930669 1462272.77 633638.54 759.81 2 2 
 
827717 1st returns
836292 2nd returns
0 3rd returns
0 4th returns
120097 ground returns
0 blunders

curvature versus slope
  n = 177179 
  X=0, Y = 14.23 +/- 10.96 
  Weighted least-squares fit:  Y = 29.8 + 3.698 X  + -0.04105 X**2 
 
slope versus dZ, curvature < 5
  n = 51764 
 
  Weighted least-squares fit:  Y = 5.3 + 0.462 X  + 0.00196 X**2 
     at X = 100, Y = 71.2 
     effective RMSE xy = 111.5 
 
slope versus dZ, curvature < 15
  n = 96251 
 
  Weighted least-squares fit:  Y = 5.1 + 0.574 X  + 0.00143 X**2 
 
curvature versus dZ, slope < 10
  n = 48575 
  X=0, Y = 8.64 +/- 5.52 
  Weighted least-squares fit:  Y = 8.5 + 0.496 X  + 0.28215 X**2 
 
 
Number of samples 180642
Max dz = 900
Mean dz = 41
RMS dz = 94.3398113206
100cm = 88.3188848662 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