sfsigmoid (2.0-git)
index
user/gee/Msigmoid.c
2-D synthetic model from J.F.Claerbout.

 
Synopsis
        sfsigmoid > mod.rsf n1=400 n2=100 large=5*n1 o1=0. o2=0. d1=0.004 d2=0.032 reflectivity=y taper=y

October 2014 program of the month:
http://ahay.org/blog/2014/10/08/program-of-the-month-sfsigmoid/

 
Parameters
       
 
float d1=0.004

 
float d2=0.032

 
int large=5*n1
reflectivity series
 
int n1=400
vertical axis
 
int n2=100
horizontal axis
 
float o1=0.

 
float o2=0.

 
bool reflectivity=y [y/n]
if output reflectivity (otherwise output impedance model)
 
bool taper=y [y/n]
if taper the edges

 
Used In
       

 
BEI
        dwnc/sigmoid
krch/sep73

 
GEE
        lmn/sep73

 
JLU
        riesz/sigmdenoi
riesz/sigmoid
txyapf/sigmoid

 
SEP
        antial/sig
pwd/lomo
stack/miginv
vc2/sigvc
vc2/spec
vc2/vcmod
velspec/sigvc

 
SLIM
        slimUserManual/sffdct

 
TCCS
        dsd/sig
flat/flat
fpwd/sigmoid
seislet/seis
shape/lomo
strat/sigmoid1
strfilter/spray