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ps0457
d:\northps\block123-14dec07\ps0457.txt
14 Dec 07 17:02:51 Friday  elapsed time 00:07:04
Rectangular area = 0.875 km2
Data area = 0.874 km2
*percent double coverage = 82.294
**low-curvature dc area = 0.003 km2
1st-return RMSE, low-curvature areas = 1.428
95p = 2.643, 98p = 2.900, 99.5p = 3.165
BE RMSE = 1.915
95p = 3.850, 98p = 5.342, 99.5p = 8.023
2007583 unique returns and 0 duplicate returns
 
259017.806068 1345928.1 718251.94 1003.31 2 1 
259032.071421 1345271.47 715252.37 1201.63 2 1 
1237.134943
260269.206364 1345292.52 715252.62 1208.74 2 1 
260283.914828 1347761.25 718251.96 2000.31 2 2 
383.729238
260667.644066 1348228.47 718251.79 2329.47 2 2 
260682.376404 1345297.45 715252.75 1222.6 2 1 
1234.862631
261917.239035 1347847.87 715252.03 2924.26 1 1 
261930.528735 1348269.8 718245.63 2413.44 2 1 
 
1000347 1st returns
1007236 2nd returns
0 3rd returns
0 4th returns
314081 ground returns
0 blunders

curvature versus slope
  n = 506944 
  X=0, Y = 66.58 +/- 33.95 
  Weighted least-squares fit:  Y = 78.8 + 0.761 X  + -0.00768 X**2 
 
slope versus dZ, curvature < 5
  n = 39911 
 
  Weighted least-squares fit:  Y = 2.9 + 1.177 X  + -0.00724 X**2 
     at X = 100, Y = 48.2 
     effective RMSE xy = 75.6 
 
slope versus dZ, curvature < 15
  n = 136911 
 
  Weighted least-squares fit:  Y = 4.7 + 1.108 X  + -0.00617 X**2 
 
curvature versus dZ, slope < 10
  n = 4765 
  X=0, Y = 9.09 +/- 5.89 
  Weighted least-squares fit:  Y = 8.6 + 2.097 X  + -0.01034 X**2 
 
 
Number of samples 512201
Max dz = 900
Mean dz = 54
RMS dz = 80.6101730553
100cm = 85.5796845379 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