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ps1921
d:\northps\block123-14dec07\ps1921.txt
15 Dec 07 06:43:46 Saturday  elapsed time 00:07:19
Rectangular area = 0.875 km2
Data area = 0.874 km2
*percent double coverage = 71.950
**low-curvature dc area = 0.009 km2
1st-return RMSE, low-curvature areas = 0.574
95p = 1.153, 98p = 1.347, 99.5p = 1.566
BE RMSE = 0.836
95p = 1.536, 98p = 1.957, 99.5p = 2.589
1628599 unique returns and 0 duplicate returns
 
233171.853126 1263675.18 637251.61 750.21 4 10 
233188.231097 1261275.04 634254.12 1246.04 1 1 
572.077649
233760.308746 1262021.2 634252.16 1115.2 2 10 
233775.359185 1264223.93 637251.52 714.92 1 1 
416.593218
234191.952403 1264269.45 635106.81 780.73 2 10 
234195.953601 1264237.41 634252.23 899.37 1 10 
263430.199396
497626.152997 1261292.91 634252.14 1202.8 1 10 
497641.918831 1262284.06 637251.99 838.38 1 10 
 
1293000 1st returns
299166 2nd returns
33650 3rd returns
2783 4th returns
104144 ground returns
0 blunders

curvature versus slope
  n = 250830 
  X=0, Y = 29.20 +/- 19.23 
  Weighted least-squares fit:  Y = 58.4 + 1.818 X  + -0.01986 X**2 
 
slope versus dZ, curvature < 5
  n = 24776 
 
  Weighted least-squares fit:  Y = 4.5 + 0.502 X  + 0.00126 X**2 
     at X = 100, Y = 67.3 
     effective RMSE xy = 105.4 
 
slope versus dZ, curvature < 15
  n = 45268 
 
  Weighted least-squares fit:  Y = 4.6 + 0.540 X  + 0.00111 X**2 
 
curvature versus dZ, slope < 10
  n = 6664 
  X=0, Y = 7.07 +/- 4.50 
  Weighted least-squares fit:  Y = 5.9 + 2.183 X  + 0.07593 X**2 
 
 
Number of samples 252698
Max dz = 900
Mean dz = 68
RMS dz = 102.371871137
100cm = 76.2154825127 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