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ps1525
d:\northps\block123-14dec07\ps1525.txt
15 Dec 07 03:36:53 Saturday  elapsed time 00:07:22
Rectangular area = 0.876 km2
Data area = 0.874 km2
*percent double coverage = 95.806
**low-curvature dc area = 0.006 km2
1st-return RMSE, low-curvature areas = 0.498
95p = 0.959, 98p = 1.154, 99.5p = 1.408
BE RMSE = 2.125
95p = 4.152, 98p = 5.856, 99.5p = 9.142
1971480 unique returns and 0 duplicate returns
 
255856.367657 1331208.43 661251.7 972.16 2 2 
255871.134521 1330271.15 658254.78 558.04 1 1 
724.587603
256595.722124 1330275.97 658252.25 596.17 2 1 
256609.568766 1333015.62 661251.96 1862.84 2 1 
903.436744
257513.00551 1333266.32 661251.31 2053.43 1 1 
257528.915148 1330275.89 658253.0 598.99 1 1 
841.49599
258370.411138 1332449.24 658252.18 788.57 2 1 
258380.646326 1333269.75 660622.71 2239.11 2 1 
 
982547 1st returns
988933 2nd returns
0 3rd returns
0 4th returns
200943 ground returns
0 blunders

curvature versus slope
  n = 598001 
  X=0, Y = 38.66 +/- 28.12 
  Weighted least-squares fit:  Y = 58.2 + 1.907 X  + -0.02071 X**2 
 
slope versus dZ, curvature < 5
  n = 52896 
 
  Weighted least-squares fit:  Y = 14.4 + 0.258 X  + 0.00163 X**2 
     at X = 100, Y = 56.4 
     effective RMSE xy = 85.7 
 
slope versus dZ, curvature < 15
  n = 167411 
 
  Weighted least-squares fit:  Y = 13.6 + 0.378 X  + 0.00113 X**2 
 
curvature versus dZ, slope < 10
  n = 17023 
  X=0, Y = 18.23 +/- 10.31 
  Weighted least-squares fit:  Y = 16.3 + 1.940 X  + -0.06433 X**2 
 
 
Number of samples 605473
Max dz = 900
Mean dz = 51
RMS dz = 84.6286003665
100cm = 86.8889281603 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