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ps1945
d:\northps\block123-14dec07\ps1945.txt
15 Dec 07 06:58:47 Saturday  elapsed time 00:07:37
Rectangular area = 0.875 km2
Data area = 0.874 km2
*percent double coverage = 99.600
**low-curvature dc area = 0.007 km2
1st-return RMSE, low-curvature areas = 1.406
95p = 2.190, 98p = 2.341, 99.5p = 2.507
BE RMSE = 1.512
95p = 2.924, 98p = 3.838, 99.5p = 5.457
1960671 unique returns and 0 duplicate returns
 
258269.347743 1333275.0 634254.89 929.39 1 1 
258282.638716 1334690.21 637251.39 805.47 2 1 
1115.989907
259398.628623 1335916.15 637251.0 1186.62 1 2 
259413.750405 1333271.19 634252.34 928.86 1 1 
497.736625
259911.48703 1333578.42 634252.88 879.6 2 1 
259924.131181 1336265.24 637250.39 1200.19 2 1 
1113.889389
261038.02057 1336267.47 637249.24 1199.38 1 2 
261052.336863 1334932.26 634252.26 946.18 1 1 
 
977883 1st returns
982788 2nd returns
0 3rd returns
0 4th returns
150901 ground returns
0 blunders

curvature versus slope
  n = 859581 
  X=0, Y = 26.43 +/- 20.15 
  Weighted least-squares fit:  Y = 48.1 + 2.295 X  + -0.02419 X**2 
 
slope versus dZ, curvature < 5
  n = 52328 
 
  Weighted least-squares fit:  Y = 40.4 + 0.325 X  + 0.00113 X**2 
     at X = 100, Y = 84.2 
     effective RMSE xy = 116.0 
 
slope versus dZ, curvature < 15
  n = 158210 
 
  Weighted least-squares fit:  Y = 42.5 + 0.272 X  + 0.00157 X**2 
 
curvature versus dZ, slope < 10
  n = 25702 
  X=0, Y = 40.05 +/- 16.98 
  Weighted least-squares fit:  Y = 41.6 + 1.754 X  + 0.01675 X**2 
 
 
Number of samples 865524
Max dz = 900
Mean dz = 72
RMS dz = 102.08329932
100cm = 77.2536636766 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