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ps2491
d:\northps\block456-14jan08\ps2491.txt
15 Jan 08 22:59:54 Tuesday  elapsed time 00:11:13
Rectangular area = 0.875 km2
Data area = 0.874 km2
*percent double coverage = 80.243
**low-curvature dc area = 0.060 km2
1st-return RMSE, low-curvature areas = 2.148
95p = 3.490, 98p = 3.732, 99.5p = 4.030
BE RMSE = 1.491
95p = 2.925, 98p = 4.141, 99.5p = 6.349
1801564 unique returns and 0 duplicate returns
 
234041.623186 1450269.41 614868.92 3445.82 1 1 
234055.857929 1447271.58 613254.63 3394.24 2 1 
474.03383
234529.891759 1447273.95 613266.58 3352.62 1 1 
234545.345933 1450269.21 616240.11 3458.78 2 1 
509.658687
235055.00462 1450268.71 616247.65 3461.7 1 1 
235069.107461 1447270.52 614300.27 3780.65 1 1 
 
898821 1st returns
902743 2nd returns
0 3rd returns
0 4th returns
382799 ground returns
0 blunders

curvature versus slope
  n = 580547 
  X=0, Y = 36.14 +/- 17.21 
  Weighted least-squares fit:  Y = 47.7 + 2.465 X  + -0.02753 X**2 
 
slope versus dZ, curvature < 5
  n = 190499 
 
  Weighted least-squares fit:  Y = 32.6 + 1.415 X  + -0.00818 X**2 
     at X = 100, Y = 92.3 
     effective RMSE xy = 135.6 
 
slope versus dZ, curvature < 15
  n = 313625 
 
  Weighted least-squares fit:  Y = 34.0 + 1.329 X  + -0.00740 X**2 
 
curvature versus dZ, slope < 10
  n = 15680 
  X=0, Y = 39.50 +/- 20.99 
  Weighted least-squares fit:  Y = 39.6 + 1.328 X  + 0.07664 X**2 
 
 
Number of samples 589916
Max dz = 900
Mean dz = 72
RMS dz = 92.7954740276
100cm = 72.453366242 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