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ps2943
d:\northps\block456-14jan08\ps2943.txt
16 Jan 08 05:58:28 Wednesday  elapsed time 00:18:22
Rectangular area = 0.875 km2
Data area = 0.874 km2
*percent double coverage = 99.984
**low-curvature dc area = 0.068 km2
1st-return RMSE, low-curvature areas = 1.798
95p = 3.480, 98p = 3.783, 99.5p = 4.035
BE RMSE = 2.891
95p = 5.311, 98p = 9.231, 99.5p = 15.470
3267946 unique returns and 0 duplicate returns
 
229379.828358 1459272.02 598253.47 3586.76 1 1 
229394.533545 1462269.87 600719.91 3632.07 1 2 
341.680837
229736.214382 1462267.06 601250.22 3720.88 1 2 
229752.119921 1459270.69 598903.21 3779.36 2 1 
323.706837
230075.826758 1459271.65 600756.39 3944.4 2 1 
230079.660697 1460048.32 601242.99 4688.68 2 2 
93522.372383
323602.03308 1462269.9 601205.73 3714.22 1 1 
323615.02202 1459270.35 599127.87 3880.6 1 1 
669.453275
324284.475295 1459270.22 600941.49 4001.11 1 1 
324298.516705 1462269.19 598254.3 4096.21 2 1 
1182.489335
325481.00604 1462269.71 598984.51 4071.84 1 1 
325495.107871 1459270.14 598271.68 3647.19 2 1 
 
1624339 1st returns
1643607 2nd returns
0 3rd returns
0 4th returns
527634 ground returns
0 blunders

curvature versus slope
  n = 859054 
  X=0, Y = 62.02 +/- 25.21 
  Weighted least-squares fit:  Y = 72.6 + 1.501 X  + -0.01655 X**2 
 
slope versus dZ, curvature < 5
  n = 317523 
 
  Weighted least-squares fit:  Y = 44.6 + 0.240 X  + -0.00038 X**2 
     at X = 100, Y = 64.8 
     effective RMSE xy = 73.9 
 
slope versus dZ, curvature < 15
  n = 642462 
 
  Weighted least-squares fit:  Y = 45.1 + 0.203 X  + 0.00025 X**2 
 
curvature versus dZ, slope < 10
  n = 2750 
  X=0, Y = 48.79 +/- 23.60 
  Weighted least-squares fit:  Y = 48.7 + -0.552 X  + 0.22404 X**2 
 
 
Number of samples 861842
Max dz = 900
Mean dz = 53
RMS dz = 66.5732679084
100cm = 89.4589727583 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