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ps2021
d:\northps\block123-14dec07\ps2021.txt
15 Dec 07 07:27:54 Saturday  elapsed time 00:06:39
Rectangular area = 0.876 km2
Data area = 0.874 km2
*percent double coverage = 75.193
**low-curvature dc area = 0.003 km2
1st-return RMSE, low-curvature areas = 0.275
95p = 0.544, 98p = 0.666, 99.5p = 0.861
BE RMSE = 0.982
95p = 1.995, 98p = 2.712, 99.5p = 4.128
2070279 unique returns and 0 duplicate returns
 
318426.377368 1348271.0 631256.77 3332.49 1 1 
318439.742597 1348998.47 634251.97 3277.45 1 1 
1284.824509
319724.567106 1350620.95 634251.75 3048.46 1 1 
319741.927099 1348278.17 631252.56 3318.86 2 1 
491.468439
320233.395538 1349235.2 631253.7 3177.85 1 1 
320246.627506 1351237.73 634251.61 3170.66 2 1 
1244.783372
321491.410878 1351269.36 634248.25 3178.84 1 1 
321506.852977 1350635.0 631252.04 3213.41 2 1 
 
1030778 1st returns
1039501 2nd returns
0 3rd returns
0 4th returns
225338 ground returns
0 blunders

curvature versus slope
  n = 265198 
  X=0, Y = 22.43 +/- 19.33 
  Weighted least-squares fit:  Y = 50.3 + 2.139 X  + -0.02243 X**2 
 
slope versus dZ, curvature < 5
  n = 21385 
 
  Weighted least-squares fit:  Y = 7.2 + 0.327 X  + 0.00327 X**2 
     at X = 100, Y = 72.6 
     effective RMSE xy = 113.5 
 
slope versus dZ, curvature < 15
  n = 48808 
 
  Weighted least-squares fit:  Y = 7.1 + 0.445 X  + 0.00230 X**2 
 
curvature versus dZ, slope < 10
  n = 15629 
  X=0, Y = 9.11 +/- 6.10 
  Weighted least-squares fit:  Y = 9.2 + 1.097 X  + 0.04566 X**2 
 
 
Number of samples 267773
Max dz = 900
Mean dz = 65
RMS dz = 100.41414243
100cm = 77.6239576059 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