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ps4720
d:\northps\block123-14dec07\ps4720.txt
15 Dec 07 19:27:22 Saturday  elapsed time 00:07:24
Rectangular area = 0.875 km2
Data area = 0.872 km2
*percent double coverage = 56.314
**low-curvature dc area = 0.185 km2
1st-return RMSE, low-curvature areas = 0.440
95p = 0.790, 98p = 0.909, 99.5p = 1.100
BE RMSE = 0.944
95p = 2.048, 98p = 2.887, 99.5p = 4.362
1358893 unique returns and 0 duplicate returns
 
288621.994614 1258268.99 550249.13 17.17 1 1 
288635.44274 1258267.76 547254.52 167.15 1 1 
900.909584
289536.352324 1258184.75 547252.72 88.16 2 1 
289552.680308 1256308.34 550251.94 86.45 1 1 
847.053669
290399.733977 1257574.14 550251.99 21.29 1 1 
290415.947474 1255292.89 547252.73 222.19 1 1 
892.383204
291308.330678 1255276.2 547328.3 172.47 2 2 
291323.220891 1255270.69 550238.7 181.51 1 1 
64243.03652
355566.257411 1255270.15 550246.58 181.1 1 2 
355567.479711 1255270.34 549993.36 184.29 1 2 
 
1285915 1st returns
70225 2nd returns
2740 3rd returns
13 4th returns
397838 ground returns
0 blunders

curvature versus slope
  n = 520279 
  X=0, Y = 13.15 +/- 7.72 
  Weighted least-squares fit:  Y = 15.8 + 4.210 X  + -0.04636 X**2 
 
slope versus dZ, curvature < 5
  n = 274901 
  X=0, Y = 9.58 +/- 4.76 
  Weighted least-squares fit:  Y = 10.0 + 0.355 X  + 0.00050 X**2 
     at X = 100, Y = 50.6 
     effective RMSE xy = 77.9 
 
slope versus dZ, curvature < 15
  n = 400173 
  X=0, Y = 9.22 +/- 4.95 
  Weighted least-squares fit:  Y = 9.9 + 0.410 X  + 0.00045 X**2 
 
curvature versus dZ, slope < 10
  n = 179216 
  X=0, Y = 12.90 +/- 6.82 
  Weighted least-squares fit:  Y = 11.5 + 1.477 X  + 0.11596 X**2 
 
 
Number of samples 526883
Max dz = 900
Mean dz = 20
RMS dz = 45.9020696701
100cm = 97.7245422608 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