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ps2780
d:\northps\block123-14dec07\ps2780.txt
15 Dec 07 11:25:34 Saturday  elapsed time 00:06:18
Rectangular area = 0.875 km2
Data area = 0.874 km2
*percent double coverage = 49.718
**low-curvature dc area = 0.001 km2
1st-return RMSE, low-curvature areas = 0.764
95p = 1.280, 98p = 1.445, 99.5p = 2.137
BE RMSE = 1.465
95p = 2.869, 98p = 4.029, 99.5p = 6.491
1561748 unique returns and 0 duplicate returns
 
232324.279818 1254389.25 604251.48 858.09 3 10 
232341.24546 1252279.87 601252.13 623.37 1 1 
290.977276
232632.222736 1252419.54 601252.03 601.65 2 1 
232649.346169 1255265.64 604250.32 1014.49 1 1 
692.263072
233341.609241 1255269.95 602412.75 815.69 2 1 
233345.554302 1255269.92 601630.76 797.46 1 1 
 
995004 1st returns
394159 2nd returns
142199 3rd returns
30386 4th returns
76550 ground returns
0 blunders

curvature versus slope
  n = 131806 
  X=0, Y = 32.43 +/- 26.04 
  Weighted least-squares fit:  Y = 66.0 + 1.372 X  + -0.01485 X**2 
 
slope versus dZ, curvature < 5
  n = 7006 
 
  Weighted least-squares fit:  Y = 12.4 + 0.464 X  + 0.00163 X**2 
     at X = 100, Y = 75.1 
     effective RMSE xy = 116.3 
 
slope versus dZ, curvature < 15
  n = 16839 
 
  Weighted least-squares fit:  Y = 13.0 + 0.467 X  + 0.00186 X**2 
 
curvature versus dZ, slope < 10
  n = 2838 
  X=0, Y = 16.95 +/- 9.47 
  Weighted least-squares fit:  Y = 16.0 + 2.216 X  + -0.02484 X**2 
 
 
Number of samples 133363
Max dz = 900
Mean dz = 77
RMS dz = 131.365901207
100cm = 73.0479968207 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