sfsv2d (2.0-git)
Velocity and heterogeneity parameter convert to dip.

        sfsv2d < in.rsf > out.rsf anisotropy=anisotropy.rsf n=32 d=12.5 o=0. mute=n half=n tp=0.150 t0=0. v0=10000 x0=0. abs=y inner=n hyper=n

bool abs=y [y/n]
if y, use absolute value |x-x0| (available when mute=y)
file anisotropy=
auxiliary input file name
float d=12.5
offset interval
bool half=n [y/n]
if y, half-offset instead of full offset
bool hyper=n [y/n]
if y, do hyperbolic mute (available when mute=y)
bool inner=n [y/n]
if y, do inner muter (available when mute=y)
bool mute=n [y/n]
if y, use mutter
int n=32
offset number
float o=0.
offset origin
float t0=0.
starting time (available when mute=y)
float tp=0.150
end time (available when mute=y)
float v0=10000
velocity (available when mute=y)
float x0=0.
starting space (available when mute=y)