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ps2640
d:\northps\block123-14dec07\ps2640.txt
15 Dec 07 10:39:50 Saturday  elapsed time 00:06:48
Rectangular area = 0.875 km2
Data area = 0.874 km2
*percent double coverage = 98.549
**low-curvature dc area = 0.003 km2
1st-return RMSE, low-curvature areas = 0.370
95p = 0.724, 98p = 0.900, 99.5p = 1.193
BE RMSE = 1.376
95p = 2.671, 98p = 3.826, 99.5p = 6.049
1926782 unique returns and 0 duplicate returns
 
261159.278736 1336334.11 610251.94 1393.38 2 1 
261163.158473 1336272.65 609408.44 1366.54 2 2 
276.494814
261439.653287 1336271.73 607256.11 1349.48 2 1 
261453.673637 1338486.63 610251.9 1857.45 2 1 
1344.04641
262797.720047 1339242.33 610251.66 2108.09 1 2 
262812.376628 1336278.4 607252.6 1411.54 1 1 
53671.331799
316483.708427 1338191.4 607253.56 1581.72 2 2 
316497.800008 1339268.79 610248.05 2176.28 2 1 
 
958753 1st returns
968029 2nd returns
0 3rd returns
0 4th returns
119746 ground returns
0 blunders

curvature versus slope
  n = 280293 
  X=0, Y = 39.21 +/- 27.38 
  Weighted least-squares fit:  Y = 64.6 + 1.412 X  + -0.01452 X**2 
 
slope versus dZ, curvature < 5
  n = 15761 
 
  Weighted least-squares fit:  Y = 5.7 + 0.418 X  + 0.00089 X**2 
     at X = 100, Y = 56.4 
     effective RMSE xy = 88.2 
 
slope versus dZ, curvature < 15
  n = 43619 
 
  Weighted least-squares fit:  Y = 6.8 + 0.473 X  + 0.00077 X**2 
 
curvature versus dZ, slope < 10
  n = 2226 
  X=0, Y = 9.27 +/- 5.65 
  Weighted least-squares fit:  Y = 7.6 + 3.302 X  + 0.00030 X**2 
 
 
Number of samples 282340
Max dz = 900
Mean dz = 58
RMS dz = 103.493961176
100cm = 83.3339236382 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