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ps2236
d:\northps\block123-14dec07\ps2236.txt
15 Dec 07 08:38:05 Saturday  elapsed time 00:06:38
Rectangular area = 0.876 km2
Data area = 0.874 km2
*percent double coverage = 80.208
**low-curvature dc area = 0.002 km2
1st-return RMSE, low-curvature areas = 1.293
95p = 1.975, 98p = 2.232, 99.5p = 2.488
BE RMSE = 2.334
95p = 4.984, 98p = 6.593, 99.5p = 9.607
1926200 unique returns and 0 duplicate returns
 
256443.108612 1327286.42 622252.09 2378.05 1 1 
256456.944279 1328538.55 625251.88 2482.77 2 1 
1224.881267
257681.825546 1330252.79 625250.97 1715.61 2 1 
257697.174652 1327271.9 622252.96 2356.8 2 1 
517.759227
258214.933879 1328641.59 622254.33 2437.03 2 1 
258228.853479 1330265.16 625251.83 1766.95 2 1 
1232.399754
259461.253233 1330269.92 624380.94 1617.69 1 2 
259471.213002 1330210.21 622252.31 2018.23 2 1 
 
957637 1st returns
968563 2nd returns
0 3rd returns
0 4th returns
151844 ground returns
0 blunders

curvature versus slope
  n = 381831 
  X=0, Y = 43.92 +/- 25.54 
  Weighted least-squares fit:  Y = 57.3 + 1.709 X  + -0.01773 X**2 
 
slope versus dZ, curvature < 5
  n = 37308 
 
  Weighted least-squares fit:  Y = 13.7 + 1.556 X  + -0.00412 X**2 
     at X = 100, Y = 128.1 
     effective RMSE xy = 200.0 
 
slope versus dZ, curvature < 15
  n = 115124 
 
  Weighted least-squares fit:  Y = 13.0 + 1.694 X  + -0.00579 X**2 
 
curvature versus dZ, slope < 10
  n = 5203 
  X=0, Y = 23.52 +/- 11.25 
  Weighted least-squares fit:  Y = 22.1 + 2.512 X  + -0.05252 X**2 
 
 
Number of samples 385314
Max dz = 900
Mean dz = 84
RMS dz = 111.525781773
100cm = 67.435390357 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