==================================================
ps4909
d:\northps\block456-14jan08\ps4909.txt
17 Jan 08 09:17:13 Thursday  elapsed time 00:13:18
Rectangular area = 0.877 km2
Data area = 0.874 km2
*percent double coverage = 99.952
**low-curvature dc area = 0.004 km2
1st-return RMSE, low-curvature areas = 0.362
95p = 0.730, 98p = 0.833, 99.5p = 0.949
BE RMSE = 1.065
95p = 2.092, 98p = 2.881, 99.5p = 4.577
2712888 unique returns and 0 duplicate returns
 
78386.1612632 1486269.87 544703.42 521.78 2 1 
78391.0711807 1485245.7 544252.01 426.64 1 1 
527.312507
78918.3836877 1483270.48 544255.18 353.43 2 1 
78932.4358987 1486269.07 546134.1 334.51 1 1 
189.228918
79121.6648167 1486268.8 547249.38 311.7 1 1 
79137.5738558 1483270.27 544262.86 358.38 2 1 
516.6462286
79654.2200844 1483272.87 544915.61 288.5 2 1 
79668.4580391 1486269.18 547247.96 309.6 1 1 
220.0688462
79888.5268853 1486166.32 547251.03 284.21 2 1 
79902.0704707 1483270.21 546168.06 342.91 1 1 
79634.2213723
159536.291843 1486238.78 546998.4 352.81 1 1 
159549.455349 1483271.91 547219.34 352.99 2 1 
941.256575
160490.711924 1483271.77 546928.91 355.26 2 1 
160505.625716 1486268.93 544407.89 543.04 2 1 
640.325063
161145.950779 1486269.27 545732.86 374.7 1 1 
161161.409838 1483327.82 544285.13 281.15 2 1 
926.868405
162088.278243 1485664.88 544313.33 531.63 2 1 
162090.608852 1486240.43 544389.13 539.6 1 1 
 
1349178 1st returns
1363710 2nd returns
0 3rd returns
0 4th returns
114433 ground returns
0 blunders

curvature versus slope
  n = 507395 
  X=0, Y = 40.86 +/- 27.51 
  Weighted least-squares fit:  Y = 67.2 + 1.354 X  + -0.01381 X**2 
 
slope versus dZ, curvature < 5
  n = 20667 
 
  Weighted least-squares fit:  Y = 10.7 + 0.219 X  + 0.00105 X**2 
     at X = 100, Y = 43.1 
     effective RMSE xy = 65.6 
 
slope versus dZ, curvature < 15
  n = 50983 
 
  Weighted least-squares fit:  Y = 10.1 + 0.493 X  + -0.00074 X**2 
 
curvature versus dZ, slope < 10
  n = 4884 
  X=0, Y = 9.37 +/- 6.31 
  Weighted least-squares fit:  Y = 8.2 + 3.718 X  + -0.27180 X**2 
 
 
Number of samples 513660
Max dz = 900
Mean dz = 57
RMS dz = 83.6540495135
100cm = 82.7259276564 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