sfpick
index
user/fomels/Mpick.c
Documentation
Automatic picking from semblance-like panels.

 
Synopsis
        sfpick < scn.rsf > pik.rsf vel0=o2 niter=100 an=1. gate=3 smooth=y rect#=(1,1,...) rect1=1 rect2=1 ...
rectN defines the size of the smoothing stencil in N-th dimension.

Theory in Appendix B of:
S. Fomel, 2009,
Velocity analysis using AB semblance: Geophysical Prospecting, v. 57, 311-321.
Reproducible version in RSFSRC/book/jsg/avo

 
Parameters
       
 
float an=1.
axes anisotropy
 
int gate=3
picking gate
 
int niter=100
number of iterations
 
int rect#=(1,1,...)
smoothing radius on #-th axis
 
bool smooth=y [y/n]
if apply smoothing
 
float vel0=o2
surface velocity

 
Used In
       

 
BEI
        vela/vscan
wvs/vscan

 
GEE
        prc/bob

 
GEO384W
        hw4/dome
hw6/blake

 
JSG
        attr/vecta
avo/avo
diffr/gom
diffr/fault
pmig/mig
seislet/gath
seislet/diplet
shape/beivc
simistack/bei
simistack/flat4
timelapse/duri
timelapse/long1
timelapse/timelapse

 
RSF
        scons/rsf
usp/data

 
SEP
        oc2/elfshot
vc2/beivc
vc2/sigvc