sfspiral (2.0-git)
index
user/kourkina/Mspiral.c
Spiral function

 
Synopsis
        sfspiral > spiral.rsf nx=500 ny=200 xmax=20. ymax=3. xmin=0. ymin=0. dx=(xmax-xmin)/(nx-1) dy=(ymax-ymin)/(ny-1) xc=10. yc=5. eps=1.0e-6 v0=2.0 v1=2.0 r0=1.0 r1=0.4 b=0.1 fac=0.2 sp_r=1. sp_t=0.05

 
Parameters
       
 
float b=0.1
exponential decay factor
 
float dx=(xmax-xmin)/(nx-1)

 
float dy=(ymax-ymin)/(ny-1)

 
float eps=1.0e-6

 
float fac=0.2

 
int nx=500

 
int ny=200

 
float r0=1.0

 
float r1=0.4
paramters of original shape
 
float sp_r=1.
speed in radius
 
float sp_t=0.05
speed in angle
 
float v0=2.0

 
float v1=2.0

 
float xc=10.

 
float xmax=20.

 
float xmin=0.

 
float yc=5.

 
float ymax=3.

 
float ymin=0.

 
Used In
       

 
TCCS
        time2depth/msyn2
time2depth2/synth