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ps0997
d:\northps\block123-14dec07\ps0997.txt
14 Dec 07 22:22:56 Friday  elapsed time 00:09:50
Rectangular area = 0.875 km2
Data area = 0.868 km2
*percent double coverage = 90.500
**low-curvature dc area = 0.072 km2
1st-return RMSE, low-curvature areas = 2.793
95p = 4.088, 98p = 4.338, 99.5p = 4.748
BE RMSE = 1.089
95p = 2.216, 98p = 3.023, 99.5p = 4.601
2256633 unique returns and 0 duplicate returns
 
253416.578206 1324391.62 691252.11 415.74 2 1 
253430.110251 1327264.42 694250.99 509.92 1 1 
592.430254
254022.540505 1327258.56 694251.42 505.78 2 1 
254036.377548 1326376.75 691252.42 478.86 1 1 
160104.121677
414140.499225 1324417.95 691253.17 448.09 1 1 
414155.332753 1327258.93 694250.49 503.55 2 1 
604.95953
414760.292283 1327245.33 694251.56 509.73 2 1 
414775.750997 1324283.07 691253.08 381.05 2 1 
1023.95523
415799.706227 1324275.78 691254.44 380.78 1 1 
415814.148293 1325796.07 694251.93 399.44 2 1 
 
1125758 1st returns
1130875 2nd returns
0 3rd returns
0 4th returns
178537 ground returns
0 blunders

curvature versus slope
  n = 1380808 
  X=0, Y = 14.89 +/- 12.39 
  Weighted least-squares fit:  Y = 25.5 + 3.977 X  + -0.04450 X**2 
 
slope versus dZ, curvature < 5
  n = 320395 
  X=0, Y = 6.24 +/- 3.52 
  Weighted least-squares fit:  Y = 75.5 + 0.350 X  + -0.00089 X**2 
     at X = 100, Y = 101.7 
     effective RMSE xy = 106.9 
 
slope versus dZ, curvature < 15
  n = 622628 
  X=0, Y = 6.24 +/- 3.52 
  Weighted least-squares fit:  Y = 78.2 + 0.166 X  + 0.00103 X**2 
 
curvature versus dZ, slope < 10
  n = 340084 
  X=0, Y = 77.74 +/- 56.40 
  Weighted least-squares fit:  Y = 82.4 + -0.392 X  + 0.00310 X**2 
 
 
Number of samples 1384754
Max dz = 900
Mean dz = 76
RMS dz = 100.876161703
100cm = 61.3999309625 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