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ps4804
d:\northps\block456-14jan08\ps4804.txt
17 Jan 08 06:19:49 Thursday  elapsed time 00:08:27
Rectangular area = 0.875 km2
Data area = 0.874 km2
*percent double coverage = 99.554
**low-curvature dc area = 0.001 km2
1st-return RMSE, low-curvature areas = 0.962
95p = 1.495, 98p = 1.629, 99.5p = 1.832
BE RMSE = 2.778
95p = 5.487, 98p = 8.369, 99.5p = 13.767
1828112 unique returns and 0 duplicate returns
 
157850.754215 1510267.27 550250.76 1311.25 1 1 
157865.355817 1507270.49 549179.45 2048.94 2 1 
1138.878625
159004.234442 1507271.62 550248.52 1612.01 2 2 
159018.688287 1510269.56 547258.16 2628.03 1 1 
408.341274
159427.029561 1510268.25 550226.27 1333.48 2 1 
159443.00423 1507270.76 547258.04 2846.56 2 1 
1150.354554
160593.358784 1507272.43 547464.58 2699.7 2 1 
160608.390134 1510268.34 547253.17 2629.6 2 1 
 
910567 1st returns
917545 2nd returns
0 3rd returns
0 4th returns
175980 ground returns
0 blunders

curvature versus slope
  n = 685118 
  X=0, Y = 51.45 +/- 27.70 
  Weighted least-squares fit:  Y = 66.1 + 1.456 X  + -0.01515 X**2 
 
slope versus dZ, curvature < 5
  n = 39157 
 
  Weighted least-squares fit:  Y = 25.6 + -0.040 X  + 0.00400 X**2 
     at X = 100, Y = 61.6 
     effective RMSE xy = 88.0 
 
slope versus dZ, curvature < 15
  n = 155173 
 
  Weighted least-squares fit:  Y = 25.0 + 0.047 X  + 0.00319 X**2 
 
curvature versus dZ, slope < 10
  n = 2451 
  X=0, Y = 24.07 +/- 11.31 
  Weighted least-squares fit:  Y = 23.1 + 1.248 X  + 0.11305 X**2 
 
 
Number of samples 694160
Max dz = 900
Mean dz = 55
RMS dz = 78.9113426574
100cm = 84.3974011755 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