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README for AzimVelAn demo 

To view the synthetic data used for the demo, type:

XAzimVelAn

To run the velocity analysis demo, type:

AzimVelAn

You should see the following output:

.... output from AzimVelAn ....

  *** off_az ***  Relative scatter of CMPs:  (  0.,   0.)

  *** Number of traces within sectors with 10 degrees increment:
      Sectors   0- 90:   10   0   5   5   0   5   5   0   0
      Sectors  90-180:   10   0   5   5   0   5   5   0   0

  *** geom_svd ***  Normalized singular values of source-reciever geometry:
  0.70706141  0.999967873  1.

  *** Number of traces        =  60
  *** Number of samples/trace =  155
  *** Absolute trace maximum  =   0.00109799998
  *** Absolute trace minimum  =  -0.00146000006
  *** Maximum offset (km)     =   1.
  *** Minimum offset (km)     =   0.0994786471

   t0   sem0  semb  iter  Vcir    El1     El2     Vmin    Vmax    Vell   Vazm      W11      W12      W22  
 0.500 0.043 0.043   0   3.469  0.0000  0.0000   3.469   3.469  0.0000   90.00  0.08308  0.00000  0.08308
 0.510 0.273 0.416  10   3.023  0.3102 -0.0931   2.685   3.779  0.4074  130.73  0.10946  0.03396  0.09926
 0.520 0.395 0.837  12   2.629  0.2718 -0.3130   2.444   3.612  0.4778  120.03  0.14469  0.03933  0.09940
 0.530 0.295 0.838  15   2.592  0.2747 -0.3181   2.408   3.582  0.4874  119.97  0.14887  0.04089  0.10152
 0.540 0.249 0.821  13   2.574  0.2743 -0.3161   2.391   3.551  0.4849  120.03  0.15097  0.04141  0.10326
 0.550 0.274 0.819   8   2.569  0.2698 -0.3110   2.390   3.519  0.4726  120.02  0.15148  0.04088  0.10437
 0.560 0.294 0.831   9   2.558  0.2674 -0.3082   2.381   3.490  0.4658  120.02  0.15277  0.04084  0.10568
 0.570 0.306 0.816  10   2.539  0.2698 -0.3105   2.362   3.477  0.4722  120.04  0.15509  0.04185  0.10693
 0.580 0.294 0.803  10   2.550  0.2640 -0.3041   2.375   3.459  0.4565  120.03  0.15384  0.04061  0.10707
 0.590 0.404 0.825   5   2.507  0.2576 -0.3197   2.344   3.421  0.4592  119.09  0.15913  0.04099  0.10826
 0.600 0.069 0.069   0   2.702  0.0000  0.0000   2.702   2.702  0.0000   90.00  0.13692  0.00000  0.13692
 0.610 0.037 0.037   0   2.815  0.0000  0.0000   2.815   2.815  0.0000   90.00  0.12615  0.00000  0.12615
 0.620 0.026 0.026   0   2.944  0.0000  0.0000   2.944   2.944  0.0000   90.00  0.11538  0.00000  0.11538
 0.630 0.020 0.020   0   3.092  0.0000  0.0000   3.092   3.092  0.0000   90.00  0.10462  0.00000  0.10462
 0.640 0.024 0.024   0   3.092  0.0000  0.0000   3.092   3.092  0.0000   90.00  0.10462  0.00000  0.10462
 0.650 0.348 0.933  14   2.607  0.2621 -0.2968   2.428   3.514  0.4473  120.24  0.14712  0.03857  0.10345
 0.660 0.270 0.354   9   3.513  0.7001  0.2769   2.582   5.390  1.0881  140.59  0.08102  0.05672  0.10345
 0.670 0.280 0.898  20   2.585  0.2694 -0.3076   2.404   3.531  0.4688  120.14  0.14967  0.04031  0.10363
 0.680 0.268 0.397   6   3.107  0.4185  0.0449   2.588   4.000  0.5458  136.53  0.10358  0.04335  0.10823
 0.690 0.278 0.904  10   2.566  0.2725 -0.3106   2.384   3.521  0.4768  120.16  0.15190  0.04139  0.10473
 0.700 0.263 0.894  12   2.558  0.2763 -0.3157   2.375   3.534  0.4881  120.13  0.15280  0.04221  0.10456
 0.710 0.321 0.905   5   2.547  0.2797 -0.3182   2.362   3.535  0.4966  120.18  0.15414  0.04312  0.10509
 0.720 0.439 0.878   9   2.521  0.2768 -0.3151   2.340   3.483  0.4885  120.17  0.15734  0.04355  0.10776
 0.730 0.066 0.066   0   2.512  0.0000  0.0000   2.512   2.512  0.0000   90.00  0.15846  0.00000  0.15846
 0.740 0.037 0.037   0   2.651  0.0000  0.0000   2.651   2.651  0.0000   90.00  0.14231  0.00000  0.14231
 0.750 0.028 0.028   0   2.815  0.0000  0.0000   2.815   2.815  0.0000   90.00  0.12615  0.00000  0.12615
 0.760 0.024 0.024   0   3.092  0.0000  0.0000   3.092   3.092  0.0000   90.00  0.10462  0.00000  0.10462
 0.770 0.018 0.018   0   3.469  0.0000  0.0000   3.469   3.469  0.0000   90.00  0.08308  0.00000  0.08308
 0.780 0.017 0.017   0   3.588  0.0000  0.0000   3.588   3.588  0.0000   90.00  0.07769  0.00000  0.07769
 0.790 0.017 0.017   0   4.220  0.0000  0.0000   4.220   4.220  0.0000   90.00  0.05615  0.00000  0.05615

  Time interval  1:  t0 = [0.530, 0.570]
  AVO intercept =  0.109E-02
  AVO gradient  = -0.893E-03-0.735E-03-0.508E-04
  Min gradient  = -0.132E-02,  Max gradient  =  0.375E-03,  Azim =   120.09

...... end of output ....