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ps4024
d:\northps\block456-14jan08\ps4024.txt
16 Jan 08 19:57:55 Wednesday  elapsed time 00:06:48
Rectangular area = 0.875 km2
Data area = 0.874 km2
*percent double coverage = 40.199
**low-curvature dc area = 0.095 km2
1st-return RMSE, low-curvature areas = 0.805
95p = 1.765, 98p = 2.164, 99.5p = 2.595
BE RMSE = 1.397
95p = 2.595, 98p = 3.930, 99.5p = 6.346
1793695 unique returns and 0 duplicate returns
 
348279.666727 1462270.51 571242.6 4458.16 2 2 
348293.48643 1465269.7 568878.38 3822.42 1 1 
803.013345
349096.499775 1465269.93 570543.6 3829.36 1 2 
349111.751387 1462270.19 568316.15 4677.12 1 1 
697.95794
349809.709327 1464245.26 568253.9 4107.41 2 2 
349814.076501 1465267.68 568275.5 3837.38 2 1 
 
893648 1st returns
900047 2nd returns
0 3rd returns
0 4th returns
577869 ground returns
0 blunders

curvature versus slope
  n = 304434 
  X=0, Y = 40.21 +/- 23.71 
  Weighted least-squares fit:  Y = 52.1 + 2.277 X  + -0.02313 X**2 
 
slope versus dZ, curvature < 5
  n = 181659 
 
  Weighted least-squares fit:  Y = 7.7 + 0.505 X  + -0.00108 X**2 
     at X = 100, Y = 47.5 
     effective RMSE xy = 73.5 
 
slope versus dZ, curvature < 15
  n = 254357 
 
  Weighted least-squares fit:  Y = 7.6 + 0.546 X  + -0.00119 X**2 
 
curvature versus dZ, slope < 10
  n = 20163 
  X=0, Y = 12.30 +/- 7.23 
  Weighted least-squares fit:  Y = 12.1 + 1.042 X  + 0.14716 X**2 
 
 
Number of samples 308042
Max dz = 900
Mean dz = 27
RMS dz = 44.6989932773
100cm = 97.8405542101 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