Program sfTestaniso | A 2D demo of elliptically-anisotropic wave propagation (4th order)
[SYNOPSIS]
sfTestaniso < Fvz.rsf vx=Fvx.rsf > Fw.rsf verb=n nb=30 nt= dt= fm=20.0 ft=0 jt=1
[COMMENTS]
Note: It is adapted according to Seregy Fomel's lecture on Seismic imaging.

[PARAMETERS]
float   | dt | = |   | 	time sampling interval 
float   | fm | =20.0 |   | 	dominant freq of Ricker wavelet 
int     | ft | =0 |   | 	first recorded time 
int     | jt | =1 |   | 	time interval 
int     | nb | =30 |   | 	thickness of sponge ABC 
int     | nt | = |   | 	number of time steps 
bool    | verb | =n |  [y/n] | 	verbosity 
file    | vx | = |   | 	auxiliary input file name
[DIRECTORY]
user/pyang
