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ps5231
d:\northps\block456-14jan08\ps5231.txt
17 Jan 08 19:44:26 Thursday  elapsed time 00:11:16
Rectangular area = 0.877 km2
Data area = 0.874 km2
*percent double coverage = 99.906
**low-curvature dc area = 0.026 km2
1st-return RMSE, low-curvature areas = 0.298
95p = 0.617, 98p = 0.770, 99.5p = 0.989
BE RMSE = 0.825
95p = 1.773, 98p = 2.436, 99.5p = 3.505
2672532 unique returns and 0 duplicate returns
 
78123.6091661 1463353.49 535253.84 259.47 1 1 
78132.00001 1465269.28 535923.07 259.6 1 2 
347.9354393
78479.9354493 1465268.99 537391.14 256.55 2 1 
78495.0481005 1462273.97 535255.85 294.96 1 1 
329.9457093
78824.9938098 1462270.12 535255.47 267.44 1 1 
78840.6325026 1465269.33 538234.7 302.63 2 1 
377.029794
79217.6622966 1465269.39 538249.67 255.05 2 1 
79232.6937238 1462272.0 536066.32 250.13 2 1 
330.9085422
79563.602266 1462270.23 537412.64 282.19 2 1 
79574.0165203 1464765.22 538251.18 251.47 1 1 
83918.1487517
163492.165272 1462275.15 538130.14 334.79 1 1 
163505.328623 1465267.65 538146.3 348.3 1 1 
1549.33937
165054.667993 1462285.57 535526.79 338.43 2 1 
165068.099282 1465259.6 535253.08 403.47 2 1 
 
1332220 1st returns
1340312 2nd returns
0 3rd returns
0 4th returns
321226 ground returns
0 blunders

curvature versus slope
  n = 1113744 
  X=0, Y = 18.53 +/- 12.85 
  Weighted least-squares fit:  Y = 24.8 + 3.269 X  + -0.03440 X**2 
 
slope versus dZ, curvature < 5
  n = 136669 
  X=0, Y = 9.15 +/- 2.01 
  Weighted least-squares fit:  Y = 6.1 + 0.364 X  + 0.00037 X**2 
     at X = 100, Y = 46.2 
     effective RMSE xy = 71.9 
 
slope versus dZ, curvature < 15
  n = 394916 
  X=0, Y = 12.37 +/- 5.35 
  Weighted least-squares fit:  Y = 7.6 + 0.399 X  + 0.00007 X**2 
 
curvature versus dZ, slope < 10
  n = 107565 
  X=0, Y = 7.83 +/- 5.69 
  Weighted least-squares fit:  Y = 6.6 + 2.492 X  + 0.02097 X**2 
 
 
Number of samples 1135836
Max dz = 900
Mean dz = 29
RMS dz = 49.9899989998
100cm = 94.689550252 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