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ps1477
d:\northps\block123-14dec07\ps1477.txt
15 Dec 07 03:07:46 Saturday  elapsed time 00:07:07
Rectangular area = 0.875 km2
Data area = 0.848 km2
*percent double coverage = 94.873
**low-curvature dc area = 0.210 km2
1st-return RMSE, low-curvature areas = 1.105
95p = 1.627, 98p = 1.882, 99.5p = 2.195
BE RMSE = 1.187
95p = 2.094, 98p = 2.723, 99.5p = 4.157
1731972 unique returns and 0 duplicate returns
 
254162.98892 1327719.66 664251.5 390.92 2 2 
254176.952489 1327272.07 661412.97 499.11 2 2 
754.00349
254930.955979 1327274.4 661255.01 560.02 2 1 
254944.926568 1330194.46 664251.83 601.32 2 1 
898.557877
255843.484445 1330250.74 664251.95 535.41 2 1 
255859.185382 1327271.21 661252.54 557.91 2 1 
748.342873
256607.528255 1328737.28 661252.18 428.24 2 1 
256620.469449 1330260.44 664251.38 610.82 1 1 
 
864490 1st returns
867482 2nd returns
0 3rd returns
0 4th returns
243294 ground returns
0 blunders

curvature versus slope
  n = 1207992 
  X=0, Y = 11.22 +/- 8.05 
  Weighted least-squares fit:  Y = 15.7 + 4.635 X  + -0.05393 X**2 
 
slope versus dZ, curvature < 5
  n = 559593 
  X=0, Y = 30.07 +/- 8.41 
  Weighted least-squares fit:  Y = 28.4 + 0.312 X  + 0.00111 X**2 
     at X = 100, Y = 70.7 
     effective RMSE xy = 101.8 
 
slope versus dZ, curvature < 15
  n = 882674 
  X=0, Y = 30.07 +/- 8.41 
  Weighted least-squares fit:  Y = 28.3 + 0.338 X  + 0.00121 X**2 
 
curvature versus dZ, slope < 10
  n = 584847 
  X=0, Y = 29.98 +/- 11.66 
  Weighted least-squares fit:  Y = 29.7 + 0.259 X  + 0.13320 X**2 
 
 
Number of samples 1226180
Max dz = 900
Mean dz = 38
RMS dz = 60.2660766933
100cm = 94.557079711 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