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ps1888
d:\northps\block456-14jan08\ps1888.txt
15 Jan 08 15:06:57 Tuesday  elapsed time 00:08:12
Rectangular area = 0.875 km2
Data area = 0.873 km2
*percent double coverage = 96.998
**low-curvature dc area = 0.001 km2
1st-return RMSE, low-curvature areas = 2.410
95p = 3.863, 98p = 4.045, 99.5p = 4.267
BE RMSE = 3.800
95p = 6.638, 98p = 8.962, 99.5p = 15.364
1714770 unique returns and 0 duplicate returns
 
240280.217592 1432275.6 637257.71 1226.27 1 1 
240293.517495 1435269.54 638521.43 1203.67 2 2 
522.116961
240815.634456 1435269.79 640246.42 1653.42 2 2 
240831.890049 1432270.18 637256.16 1222.17 2 1 
286.618726
241118.508775 1432270.01 637253.86 1228.58 1 1 
241133.04916 1435269.86 640224.46 1924.72 1 1 
385.766608
241518.815768 1435261.63 640246.98 1697.35 2 1 
241531.581616 1432270.69 639433.3 1843.39 2 1 
 
851852 1st returns
862918 2nd returns
0 3rd returns
0 4th returns
102398 ground returns
0 blunders

curvature versus slope
  n = 75455 
  X=0, Y = 28.93 +/- 23.06 
  Weighted least-squares fit:  Y = 49.9 + 2.304 X  + -0.02403 X**2 
 
slope versus dZ, curvature < 5
  n = 6667 
 
  Weighted least-squares fit:  Y = 86.9 + 0.679 X  + -0.00185 X**2 
     at X = 100, Y = 136.4 
     effective RMSE xy = 165.1 
 
slope versus dZ, curvature < 15
  n = 17224 
 
  Weighted least-squares fit:  Y = 87.6 + 0.503 X  + 0.00030 X**2 
 
curvature versus dZ, slope < 10
  n = 4135 
  X=0, Y = 97.20 +/- 32.43 
  Weighted least-squares fit:  Y = 95.2 + -2.073 X  + 0.22233 X**2 
 
 
Number of samples 76146
Max dz = 900
Mean dz = 116
RMS dz = 165.571736719
100cm = 48.8732172406 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