DOCUMENTATION
SYNOPSIS
PERL PROGRAM NAME: MAKEVEL - MAKE a VELocity function v(x,y,z)
AUTHOR: Juan Lorenzo (Perl module only)
DATE:
DESCRIPTION:
Version: USE
NOTES
Examples
SEISMIC UNIX NOTES
MAKEVEL - MAKE a VELocity function v(x,y,z)
makevel > outfile nx= nz= [optional parameters]
Required Parameters:
nx= number of x samples (3rd dimension)
nz= number of z samples (1st dimension)
Optional Parameters:
ny=1 number of y samples (2nd dimension)
dx=1.0 x sampling interval
fx=0.0 first x sample
dy=1.0 y sampling interval
fy=0.0 first y sample
dz=1.0 z sampling interval
fz=0.0 first z sample
v000=2.0 velocity at (x=0,y=0,z=0)
dvdx=0.0 velocity gradient with respect to x
dvdy=0.0 velocity gradient with respect to y
dvdz=0.0 velocity gradient with respect to z
vlens=0.0 velocity perturbation in parabolic lens
tlens=0.0 thickness of parabolic lens
dlens=0.0 diameter of parabolic lens
xlens= x coordinate of center of parabolic lens
ylens= y coordinate of center of parabolic lens
zlens= z coordinate of center of parabolic lens
vran=0.0 standard deviation of random perturbation
vzfile= file containing v(z) profile
vzran=0.0 standard deviation of random perturbation to v(z)
vzc=0.0 v(z) chirp amplitude
z1c=fz z at which to begin chirp
z2c=fz+(nz-1)*dz z at which to end chirp
l1c=dz wavelength at beginning of chirp
l2c=dz wavelength at end of chirp
exc=1.0 exponent of chirp
CHANGES and their DATES
sub Step
collects switches and assembles bash instructions by adding the program name
sub note
collects switches and assembles bash instructions by adding the program name
sub clear
sub dlens
sub dvdx
sub dvdy
sub dvdz
sub dx
sub dy
sub dz
sub exc
sub fx
sub fy
sub fz
sub l1c
sub l2c
sub nx
sub ny
sub nz
sub tlens
sub v000
sub vlens
sub vran
sub vzc
sub vzfile
sub vzran
sub xlens
sub ylens
sub z1c
sub z2c
sub zlens
sub get_max_index
max index = number of input variables -1