================================================== ps1681 d:\northps\block123-14dec07\ps1681.txt 15 Dec 07 05:01:25 Saturday elapsed time 00:05:02 Rectangular area = 0.875 km2 Data area = 0.867 km2 *percent double coverage = 28.677 **low-curvature dc area = 0.173 km2 1st-return RMSE, low-curvature areas = 0.438 95p = 0.842, 98p = 0.973, 99.5p = 1.146 BE RMSE = 0.691 95p = 0.913, 98p = 1.077, 99.5p = 1.315 728402 unique returns and 0 duplicate returns 429948.39373 1231273.85 646252.05 -0.2 1 2 429964.75827 1233240.09 649251.91 78.6 1 10 1027.736204 430992.494474 1234264.43 649249.89 71.62 1 2 431007.681773 1231992.45 646258.43 -0.54 1 10 492.884714 431500.566487 1234133.44 646256.48 0.19 1 10 431510.027808 1234269.99 648314.09 23.84 1 10 714270 1st returns 12172 2nd returns 1834 3rd returns 126 4th returns 356888 ground returns 0 blunders curvature versus slope n = 388134 X=0, Y = 8.14 +/- 5.29 Weighted least-squares fit: Y = 6.5 + 5.124 X + -0.05700 X**2 slope versus dZ, curvature < 5 n = 236134 X=0, Y = 16.22 +/- 9.63 Weighted least-squares fit: Y = 12.1 + 0.110 X + 0.00421 X**2 at X = 100, Y = 65.1 effective RMSE xy = 100.5 slope versus dZ, curvature < 15 n = 352616 X=0, Y = 16.49 +/- 10.16 Weighted least-squares fit: Y = 12.1 + 0.189 X + 0.00341 X**2 curvature versus dZ, slope < 10 n = 305954 X=0, Y = 12.62 +/- 7.75 Weighted least-squares fit: Y = 12.5 + 0.744 X + 0.13121 X**2 Number of samples 389077 Max dz = 800 Mean dz = 13 RMS dz = 21.610182785 100cm = 99.7185647057 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