==================================================
ps3915
d:\northps\block456-14jan08\ps3915.txt
16 Jan 08 19:03:22 Wednesday  elapsed time 00:07:36
Rectangular area = 0.877 km2
Data area = 0.868 km2
*percent double coverage = 38.862
**low-curvature dc area = 0.150 km2
1st-return RMSE, low-curvature areas = 0.816
95p = 1.562, 98p = 1.904, 99.5p = 2.522
BE RMSE = 3.718
95p = 6.204, 98p = 12.156, 99.5p = 22.932
1866875 unique returns and 0 duplicate returns
 
346814.233002 1477272.13 574249.66 3800.61 2 2 
346827.705297 1480269.67 573070.18 5211.32 2 2 
669.95406
347497.659357 1480269.91 573585.48 5287.73 1 1 
347511.474315 1477270.21 571253.82 4699.97 2 1 
829.949149
348341.423464 1477270.37 571658.43 4551.82 1 1 
348354.257353 1480269.14 571252.17 4236.08 1 1 
 
930859 1st returns
936016 2nd returns
0 3rd returns
0 4th returns
575383 ground returns
0 blunders

curvature versus slope
  n = 329085 
  X=0, Y = 56.19 +/- 19.14 
  Weighted least-squares fit:  Y = 61.3 + 1.860 X  + -0.01838 X**2 
 
slope versus dZ, curvature < 5
  n = 222030 
 
  Weighted least-squares fit:  Y = 10.1 + 0.139 X  + 0.00223 X**2 
     at X = 100, Y = 46.3 
     effective RMSE xy = 70.9 
 
slope versus dZ, curvature < 15
  n = 300656 
 
  Weighted least-squares fit:  Y = 10.2 + 0.163 X  + 0.00209 X**2 
 
curvature versus dZ, slope < 10
  n = 576 
  X=0, Y = 10.80 +/- 5.57 
  Weighted least-squares fit:  Y = 10.7 + 1.237 X  + 0.13301 X**2 
 
 
Number of samples 331930
Max dz = 900
Mean dz = 25
RMS dz = 44.9777722881
100cm = 98.4367185852 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