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Mmp_rvf.c
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Mmp_rvf.c
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/* Matching Pursuit Program in Q media to extract RVF */
/*********************************************************************************
* Copyright(C), SINOPEC Geophysical Research Institute, Nanjing, CN
*
* File Name: Mmp_rvf.c
*
* Program Context: Matching Pursuit Method based on linearized AVF equation
*
* Others:
*
* Author: Heng Luo ( Originally designed in 2013 winter ).
*
* Revisor: Heng Luo ( Revised in Feb,Mar/2014 ).
*
* Version: 1.0.2
*
* Date: 2014/03/27
*
* History:
* version 1.0.2: 2014/03/27 ( Revised by Heng Luo )
*
**********************************************************************************/
#include <rsf.h>
#include "lh_mp.c"
#include "lh_readwrite.c"
#include "su_alloc.c"
#include "lh_wavelet.c"
int main( int argc , char* argv[] )
{
sf_init( argc , argv );
sf_file Fd=NULL, Fw=NULL, Fo=NULL;
sf_axis at, aw, asita, ainline, acrossline, awave;
int nt, nsita, ninline, ncrossline, nfft, nfre;
int i, dim, num_dim[SF_MAX_DIM];
int nsita_in, ninline_in, ncrossline_in, nsita_start, ninline_start, ncrossline_start;
int it, isita, iinline, icrossline, iw;
int nk, nevent, flag, nwave, wave_shift;
float ****data, *wavelet, *****rvf, ****error, ****data_clip, *****rvf_mod;
float dt, dw, k_start, k_end, intercept, fm, amp, t0=0.04;
/********VPVSROU*********/
sf_file Fvp=NULL, Fvs=NULL, Frou=NULL;
Fvp = sf_input ( "vp" );
Fvs = sf_input ( "vs" );
Frou= sf_input ( "rou" );
float **vp, **vs, **rou;
float sita, radian;
float a,b,c;
float ****ref_old,****ref_new;
vp = alloc2float( 501 , 601 );
vs = alloc2float( 501 , 601 );
rou= alloc2float( 501 , 601 );
/************************/
Fd = sf_input ( "data" );
Fw = sf_input ( "wave" );
Fo = sf_output( "rvf" );
dim = sf_filedims ( Fd , num_dim );
/* dim=1, data[nt]*/
/* dim=2, data[nsita][nt]*/
/* dim=3, data[ninline][nsita][nt]*/
/* dim=4, data[ncrossline][ninline][nsita][nt]*/
if(!sf_getint( "flag" , &flag )) sf_error( "Parameter flag needs to be speficied!\n" );
/* flag=0 means that we need input wavelet */
/* flag=1 means that we need not input wavelet, Genrated by the subrountine_ricker() */
if( flag==0 ){
if(!sf_getint( "wave_shift" , &wave_shift )) sf_error( "Parameter wave_shift needs to be speficied!\n" );
}
if( flag==1 ){
if(!sf_getfloat( "fm" , &fm )) sf_error( "Parameter fm needs to be speficied!\n" );
/* Parameter fm should be fixed! */
if(!sf_getfloat( "amp", &)) sf_error( "Parameter amp needs to be speficied!\n" );
/* Parameter amp should be fixed! */
}
if(!sf_getint ( "nsita_start" , &nsita_start)) sf_error( "Parameter nsita_start needs to be speficied!\n" );
if(!sf_getint ( "nsita" , &nsita)) sf_error( "Parameter nsita needs to be speficied!\n" );
if(!sf_getint ( "ninline_start" , &ninline_start)) sf_error( "Parameter ninline_start needs to be speficied!\n" );
if(!sf_getint ( "ninline" , &ninline)) sf_error( "Parameter ninline needs to be speficied!\n" );
if(!sf_getint ( "ncrossline_start",&ncrossline_start)) sf_error( "Parameter ncrossline_start needs to be speficied!\n" );
if(!sf_getint ( "ncrossline" , &ncrossline)) sf_error( "Parameter ncrossline needs to be speficied!\n" );
if(!sf_getfloat( "k_start" , &k_start)) k_start = -0.2;
/* Optional parameter K-start is fixed to -0.2 */
if(!sf_getfloat( "k_end" , &k_end)) k_end = 0.2;
/* Optional parameter K-end is fixed to 0.2 */
if(!sf_getfloat( "intercept" , &intercept)) intercept = 0.08;
/* Optional parameter intercept is fixed to 0.08 */
if(!sf_getint ( "nk" , &nk)) nk = 1000;
/* Optional parameter nk is fixed to 1000 */
if(!sf_getint ( "nevent" , &nevent)) nevent = 100;
/* Optional parameter nevent is fixed to 100 */
/****0000**************Extract the axises from RSF data******************************/
if( dim==1 )
{
at = sf_iaxa( Fd , 1 );
nt = sf_n( at );
dt = sf_d( at );
nsita_in = 1;
ninline_in = 1;
ncrossline_in = 1;
}
else if( dim==2 )
{
at = sf_iaxa( Fd , 1 );
nt = sf_n( at );
dt = sf_d( at );
asita = sf_iaxa( Fd , 2 );
nsita_in = sf_n( asita );
ninline_in = 1;
ncrossline_in = 1;
}
else if( dim==3 )
{
at = sf_iaxa( Fd , 1 );
nt = sf_n( at );
dt = sf_d( at );
asita = sf_iaxa( Fd , 2 );
nsita_in = sf_n( asita );
ainline = sf_iaxa( Fd , 3 );
ninline_in = sf_n( ainline );
ncrossline_in = 1;
}
else if( dim==4 )
{
at = sf_iaxa( Fd , 1 );
nt = sf_n( at );
dt = sf_d( at );
asita = sf_iaxa( Fd , 2 );
nsita_in = sf_n( asita );
ainline = sf_iaxa( Fd , 3 );
ninline_in = sf_n( ainline );
acrossline = sf_iaxa( Fd , 4 );
ncrossline_in = sf_n( acrossline );
}
else
{
sf_error( "Can't handle the problem with dimension higher than 4!\n " );
}
if( flag==0 )
{
awave = sf_iaxa( Fw , 1 );
nwave = sf_n( awave );
if( sf_d( awave )!=dt )
sf_error( "Sampling of wavelet and the one of the data doesn't conincident!\n" );
}
/****0000******************END*****************************************************************************************/
/****1111*******Check the Parameter*************************************************************************************/
if( nsita_start>=nsita_in || nsita_start<0 ) sf_error( "Parameter nsita_start wrong!\n" );
if( ninline_start>=ninline_in || ninline_start<0 ) sf_error( "Parameter ninline_start wrong!\n" );
if( ncrossline_start>=ncrossline_in || ncrossline_start<0 ) sf_error( "Parameter ncrossline_start wrong!\n" );
if( (nsita+nsita_start)>nsita_in ) nsita = nsita_in-nsita_start;
if( (ninline+ninline_start)>ninline_in ) ninline = ninline_in-ninline_start;
if( (ncrossline+ncrossline_start)>ncrossline_in) ncrossline = ncrossline_in-ncrossline_start;
/****1111******END******************************************************************************************************/
/****2222**********Determine the parameters for FFT*********************************************************************/
for( nfft=1 , i=1 ; i<16 ; i++ )
{
nfft = 2*nfft;
if( nt<=nfft )
break;
}
nfre = nfft/2+1;
dw = 1./(dt*nfft);
/****2222*******************END*****************************************************************************************/
/****3333**************Output axises to the RVF.RSF data****************************************************************/
aw = sf_maxa( nfre , 0. , dw );
if( dim==1 )
{
sf_oaxa( Fo , at , 1 );
sf_oaxa( Fo , aw , 2 );
}
else if( dim==2 )
{
sf_oaxa( Fo , at , 1 );
sf_oaxa( Fo , aw , 2 );
sf_setn( asita , nsita );
sf_seto( asita , sf_o( asita )+nsita_start*sf_d( asita ) );
sf_oaxa( Fo , asita , 3 );
}
else if( dim==3 )
{
sf_oaxa( Fo , at , 1 );
sf_oaxa( Fo , aw , 2 );
sf_setn( asita , nsita );
sf_seto( asita , sf_o( asita )+nsita_start*sf_d( asita ) );
sf_oaxa( Fo , asita , 3 );
sf_setn( ainline , ninline );
sf_seto( ainline , sf_o( ainline )+ninline_start*sf_d( ainline ) );
sf_oaxa( Fo , ainline , 4 );
}
else if( dim==4 )
{
sf_oaxa( Fo , at , 1 );
sf_oaxa( Fo , aw , 2 );
sf_setn( asita , nsita );
sf_seto( asita , sf_o( asita )+nsita_start*sf_d( asita ) );
sf_oaxa( Fo , asita , 3 );
sf_setn( ainline , ninline );
sf_seto( ainline , sf_o( ainline )+ninline_start*sf_d( ainline ) );
sf_oaxa( Fo , ainline , 4 );
sf_setn( acrossline , ncrossline );
sf_seto( acrossline , sf_o( acrossline )+ncrossline_start*sf_d( acrossline ) );
sf_oaxa( Fo , acrossline , 5 );
}
else
{
sf_error( "Wrong dim!\n" );
}
/****3333****************************END********************************************************************/
/********VpVSROU*********/
ref_old = sf_floatalloc4( 500 , nsita , 601 , ncrossline );
ref_new = sf_floatalloc4( 501 , nsita , 601 , ncrossline );
zero4float( ref_old , 500 , nsita , 601 , ncrossline );
zero4float( ref_new , 501 , nsita , 601 , ncrossline );
/************************/
data = sf_floatalloc4( nt , nsita_in , ninline_in , ncrossline_in );
data_clip = sf_floatalloc4( nt , nsita , ninline , ncrossline );
rvf = sf_floatalloc5( nt , nfre , nsita , ninline , ncrossline );
rvf_mod = sf_floatalloc5( nt , nsita , ninline , ncrossline , nfre );
error = sf_floatalloc4( nt , nsita , ninline , ncrossline );
wavelet = sf_floatalloc ( nfft );
zero4float( data , nt , nsita_in , ninline_in , ncrossline_in );
zero4float( data_clip , nt , nsita , ninline , ncrossline );
zero5float( rvf , nt , nfre , nsita , ninline , ncrossline );
zero4float( error , nt , nsita , ninline , ncrossline );
zero1float( wavelet , nfft );
if( flag==0 )
{
if( nwave<nfft )
{
sf_floatread( wavelet , nwave , Fw );
lh_shift_array( wavelet , nfft , wave_shift );
}
else
{
sf_floatread( wavelet , nfft , Fw );
lh_shift_array( wavelet , nfft , wave_shift );
}
}
if( flag==1 )
{
lh_ricker( wavelet , amp , nfft , dt , fm , t0 );
lh_shift_array( wavelet , nfft , (int)(t0/dt+0.5) );
}
sf_floatread( &data[0][0][0][0] , nt*nsita_in*ninline_in*ncrossline_in , Fd );
for( icrossline=0 ; icrossline<ncrossline ; icrossline++ )
for( iinline=0 ; iinline<ninline ; iinline++ )
for( isita=0 ; isita<nsita ; isita++ )
for( it=0 ; it<nt ; it++ )
data_clip[icrossline][iinline][isita][it] = data[icrossline+ncrossline_start][iinline+ninline_start][isita+nsita_start][it];
/********VPVSROU*********/
sf_floatread( &vp[0][0] , 501*601 , Fvp );
sf_floatread( &vs[0][0] , 501*601 , Fvs );
sf_floatread( &rou[0][0], 501*601 , Frou);
for( icrossline=0 ; icrossline<ncrossline ; icrossline++ )
for( iinline=0 ; iinline<ninline ; iinline++ )
for( isita=0, sita=sf_o( asita )+nsita_start*sf_d( asita ) ; isita<nsita ; isita++ , sita+=sf_d(asita) )
for( it=1 ; it<nt ; it++ )
{
radian = sita*SF_PI/180;
if( vp[iinline][it]!=0 && vp[iinline][it-1]!=0 && vs[iinline][it]!=0 && vs[iinline][it-1]!=0 && rou[iinline][it]!=0 && rou[iinline][it-1]!=0 ){
a = 0.5*(1.+tan(radian)*tan(radian));
b = -4.*sin(radian)*sin(radian)*(vs[iinline][it]/2+vs[iinline][it-1]/2)*(vs[iinline][it]/2+vs[iinline][it-1]/2)/((vp[iinline][it]/2+vp[iinline][it-1]/2)*(vp[iinline][it]/2+vp[iinline][it-1]/2));
c = 0.5*(1.+b);
ref_old[icrossline][iinline][isita][it-1] = a*((vp[iinline][it]-vp[iinline][it-1])/(vp[iinline][it]/2+vp[iinline][it-1]/2))+b*((vs[iinline][it]-vs[iinline][it-1])/(vs[iinline][it]/2+vs[iinline][it-1]/2))+c*((rou[iinline][it]-rou[iinline][it-1])/(rou[iinline][it]/2+rou[iinline][it-1]/2));
}
}
for( icrossline=0 ; icrossline<ncrossline ; icrossline++ )
for( iinline=0 ; iinline<ninline ; iinline++ )
for( isita=0 ; isita<nsita ; isita++ )
for( it=0 ; it<nt ; it++ )
{
if( it!=nt-1 )
ref_new[icrossline][iinline][isita][it] = ref_old[icrossline][iinline][isita][it];
}
lh_write_1d_float_bin( &ref_new[0][0][0][0] , ncrossline*ninline*nsita*nt , "ref_new.bin" );
/************************/
//lh_mp_rvf_inputwave( data_clip , ncrossline , ninline , nsita , nt , dt , k_start , k_end , nk , intercept , nevent , nfft , rvf , error , wavelet );
/********VPVSROU*********/
lh_mp_rvf_inputwave_ref( data_clip , ref_new , ncrossline , ninline , nsita , nt , dt , 30. , k_start , k_end , nk , intercept , nfft , rvf , error , wavelet );
/************************/
sf_floatwrite( &rvf[0][0][0][0][0] , ncrossline*ninline*nsita*nfre*nt , Fo );
for( icrossline=0 ; icrossline<ncrossline ; icrossline++ )
for( iinline=0 ; iinline<ninline ; iinline++ )
for( isita=0 ; isita<nsita ; isita++ )
for( iw=0 ; iw<nfre ; iw++ )
for( it=0 ; it<nt ; it++ )
rvf_mod[iw][icrossline][iinline][isita][it] = rvf[icrossline][iinline][isita][iw][it];
lh_write_1d_float_bin( &rvf_mod[0][0][0][0][0] , ncrossline*ninline*nsita*nfre*nt , "rvf_mod.bin" );
exit( 0 );
}