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ps2111
d:\northps\block456-14jan08\ps2111.txt
15 Jan 08 17:12:54 Tuesday  elapsed time 00:10:60
Rectangular area = 0.875 km2
Data area = 0.874 km2
*percent double coverage = 76.872
**low-curvature dc area = 0.053 km2
1st-return RMSE, low-curvature areas = 1.751
95p = 3.042, 98p = 3.410, 99.5p = 3.812
BE RMSE = 4.189
95p = 6.075, 98p = 10.772, 99.5p = 23.390
1775792 unique returns and 0 duplicate returns
 
236619.858139 1468273.61 628254.3 5139.42 1 2 
236633.891579 1471269.59 629992.3 3499.9 2 1 
290.304843
236924.196422 1471268.42 631250.64 4063.01 1 2 
236939.673537 1468270.05 628273.22 5136.06 1 1 
638.105101
237577.778638 1468270.37 629828.72 4352.84 2 1 
237591.114651 1471267.24 631251.73 4062.69 1 1 
 
882853 1st returns
892939 2nd returns
0 3rd returns
0 4th returns
347001 ground returns
0 blunders

curvature versus slope
  n = 423481 
  X=0, Y = 55.17 +/- 26.26 
  Weighted least-squares fit:  Y = 63.8 + 1.858 X  + -0.02340 X**2 
 
slope versus dZ, curvature < 5
  n = 140720 
 
  Weighted least-squares fit:  Y = 57.2 + -0.199 X  + 0.00277 X**2 
     at X = 100, Y = 65.0 
     effective RMSE xy = 48.6 
 
slope versus dZ, curvature < 15
  n = 270731 
 
  Weighted least-squares fit:  Y = 57.4 + -0.192 X  + 0.00289 X**2 
 
curvature versus dZ, slope < 10
  n = 10656 
  X=0, Y = 57.68 +/- 13.34 
  Weighted least-squares fit:  Y = 57.5 + -0.921 X  + 0.18590 X**2 
 
 
Number of samples 425442
Max dz = 900
Mean dz = 54
RMS dz = 81.4493707772
100cm = 88.8560602855 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