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ps5631
d:\northps\block456-14jan08\ps5631.txt
18 Jan 08 02:46:40 Friday  elapsed time 00:08:55
Rectangular area = 0.875 km2
Data area = 0.874 km2
*percent double coverage = 75.515
**low-curvature dc area = 0.000 km2
1st-return RMSE, low-curvature areas = 0.121
95p = 0.246, 98p = 0.354, 99.5p = 0.485
BE RMSE = 1.299
95p = 2.466, 98p = 3.283, 99.5p = 5.169
1512233 unique returns and 0 duplicate returns
 
74972.643284 1226789.32 517252.21 198.43 1 1 
74986.7765295 1228235.02 520251.98 234.71 1 1 
577.9784713
75564.7550008 1228225.12 520251.44 230.25 2 1 
75579.9675369 1225280.2 517252.0 99.68 1 1 
346.0754058
75926.0429427 1225274.56 517254.59 88.69 1 1 
75940.6313017 1226232.66 520251.99 168.41 1 2 
 
1306319 1st returns
193148 2nd returns
12627 3rd returns
139 4th returns
27611 ground returns
0 blunders

curvature versus slope
  n = 278361 
  X=0, Y = 45.97 +/- 36.62 
  Weighted least-squares fit:  Y = 70.2 + 0.886 X  + -0.00788 X**2 
 
slope versus dZ, curvature < 5
  n = 5433 
 
  Weighted least-squares fit:  Y = 1.4 + 0.834 X  + -0.00121 X**2 
     at X = 100, Y = 72.8 
     effective RMSE xy = 114.3 
 
slope versus dZ, curvature < 15
  n = 22087 
 
  Weighted least-squares fit:  Y = 4.8 + 0.854 X  + -0.00156 X**2 
 
curvature versus dZ, slope < 10
  n = 1893 
  X=0, Y = 4.10 +/- 4.03 
  Weighted least-squares fit:  Y = 4.0 + 4.704 X  + -0.08943 X**2 
 
 
Number of samples 281889
Max dz = 900
Mean dz = 73
RMS dz = 116.198106697
100cm = 75.8699346197 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