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ps3520
d:\northps\block123-14dec07\ps3520.txt
15 Dec 07 14:50:22 Saturday  elapsed time 00:09:12
Rectangular area = 0.875 km2
Data area = 0.874 km2
*percent double coverage = 99.872
**low-curvature dc area = 0.001 km2
1st-return RMSE, low-curvature areas = 0.786
95p = 1.311, 98p = 1.582, 99.5p = 1.820
BE RMSE = 1.751
95p = 3.733, 98p = 5.042, 99.5p = 7.031
2274942 unique returns and 0 duplicate returns
 
181639.787778 1306270.61 581081.79 738.29 2 1 
181652.620186 1309264.8 580255.23 1846.74 2 1 
1218.837783
182871.457969 1309269.96 582889.19 1660.03 1 1 
182886.464835 1306271.01 580275.09 781.89 2 1 
523.246512
183409.711347 1306270.18 583250.08 487.43 1 1 
183426.552181 1309269.25 580257.17 1847.7 2 1 
1205.473939
184632.02612 1309267.79 583245.94 1598.41 1 1 
184645.326096 1306270.06 582393.62 606.45 1 1 
174184.67521
358830.001306 1306276.48 582137.45 637.3 1 1 
358839.155006 1306279.59 580253.14 753.32 1 1 
 
1264839 1st returns
1008260 2nd returns
1824 3rd returns
19 4th returns
125279 ground returns
0 blunders

curvature versus slope
  n = 1269106 
  X=0, Y = 47.55 +/- 26.57 
  Weighted least-squares fit:  Y = 63.3 + 1.555 X  + -0.01624 X**2 
 
slope versus dZ, curvature < 5
  n = 36111 
 
  Weighted least-squares fit:  Y = 17.4 + 0.617 X  + -0.00212 X**2 
     at X = 100, Y = 57.8 
     effective RMSE xy = 86.6 
 
slope versus dZ, curvature < 15
  n = 172701 
 
  Weighted least-squares fit:  Y = 25.5 + 0.454 X  + -0.00097 X**2 
 
curvature versus dZ, slope < 10
  n = 3322 
  X=0, Y = 18.89 +/- 10.97 
  Weighted least-squares fit:  Y = 27.7 + -1.892 X  + 0.15603 X**2 
 
 
Number of samples 1285397
Max dz = 900
Mean dz = 60
RMS dz = 83.0421579681
100cm = 82.9775547944 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