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ps4877
d:\northps\block456-14jan08\ps4877.txt
17 Jan 08 08:22:03 Thursday  elapsed time 00:19:52
Rectangular area = 0.877 km2
Data area = 0.874 km2
*percent double coverage = 99.957
**low-curvature dc area = 0.001 km2
1st-return RMSE, low-curvature areas = 0.641
95p = 1.126, 98p = 1.264, 99.5p = 1.444
BE RMSE = 3.128
95p = 6.423, 98p = 9.195, 99.5p = 14.043
4576770 unique returns and 0 duplicate returns
 
103182.98613 1390269.844 546224.77 1627.346 1 1 
103196.258053 1387271.662 544464.09 2782.86 1 1 
915.693967
104111.95202 1387271.024 547207.628 1481.273 2 1 
104124.838098 1390269.443 544717.171 2155.268 1 1 
474.92095
104599.759048 1390269.662 547119.046 1333.949 1 1 
104612.623506 1387272.068 547251.559 1488.198 1 1 
894.98868
105507.612186 1387270.535 547111.284 1556.203 2 1 
105520.196382 1390269.862 544301.952 2500.101 1 1 
453.629955
105973.826337 1390269.598 544747.042 2085.421 2 2 
105986.628136 1387271.758 544253.611 2694.959 2 1 
307043.92981
413030.557946 1389016.068 544253.289 1947.473 2 1 
413035.824598 1387693.329 544252.241 2388.288 1 1 
914.403564
413950.228162 1387270.029 546033.405 2063.207 2 1 
413964.233232 1390269.87 544274.341 2519.818 2 1 
435.292773
414399.526005 1390269.896 547136.603 1329.521 2 1 
414411.612996 1387270.03 544969.99 2662.932 1 1 
912.774168
415324.387164 1387270.322 547229.251 1484.063 1 1 
415338.01337 1390269.981 546027.422 1701.419 2 1 
 
2277656 1st returns
2299114 2nd returns
0 3rd returns
0 4th returns
222518 ground returns
0 blunders

curvature versus slope
  n = 2676856 
  X=0, Y = 33.24 +/- 26.64 
  Weighted least-squares fit:  Y = 73.6 + 1.276 X  + -0.01304 X**2 
 
slope versus dZ, curvature < 5
  n = 37434 
 
  Weighted least-squares fit:  Y = 12.9 + 0.047 X  + 0.00156 X**2 
     at X = 100, Y = 33.2 
     effective RMSE xy = 48.1 
 
slope versus dZ, curvature < 15
  n = 250314 
 
  Weighted least-squares fit:  Y = 12.9 + 0.081 X  + 0.00145 X**2 
 
curvature versus dZ, slope < 10
  n = 14594 
  X=0, Y = 13.39 +/- 7.91 
  Weighted least-squares fit:  Y = 13.1 + 1.118 X  + -0.15437 X**2 
 
 
Number of samples 2714984
Max dz = 900
Mean dz = 45
RMS dz = 64.1014820421
100cm = 89.0206351124 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