int main(int argc, char **argv) {
int gelev_vmin, gelev_vmax, selev_vmin, selev_vmax;
int gelev_min, gelev_max, selev_min, selev_max;
int gelev_globalmin, gelev_globalmax, selev_globalmin, selev_globalmax;
int gelev_num, selev_num;
int imin, iminv, ifirst, nz1, nz, ns, ntr, ntrv, nsv;
double dfirst, delrt, delrtv, twt, dt, dtv, factor, z, amp_out;
double *depth, *tr_amp;
float ***velocity;
short verbose;
register int i, j, k, l;
cwp_String vfile;
FILE *fv;
initargs(argc, argv);
requestdoc (0);
if (!getparshort("verbose", &verbose)) verbose = 1;
if (!getparstring("vfile",&vfile)) vfile = "output.su";
ntr = gettra (&tr, 0);
fv = efopen (vfile, "r");
ntrv = fgettra (fv, &vtr, 0);
delrt = tr.delrt;
delrtv = vtr.delrt;
if (!getparint("ns", &ns)) ns = tr.ns;
if (!getparint("nsv", &nsv)) nsv = vtr.ns;
if (!getparint("nz", &nz)) nz=2000;
dt = tr.dt * 0.001;
dtv = vtr.dt * 0.001;
imin = nint ( delrt / dt );
iminv = nint ( delrtv / dtv );
depth = ealloc1double ( ns );
tr_amp = ealloc1double ( ns );
factor = 0.0005;
if ( verbose ) {
fprintf ( stderr, "\n" );
fprintf ( stderr, "Number of input traces = %d\n", ntr );
fprintf ( stderr, "Number of input samples per trace = %d\n", ns );
fprintf ( stderr, "Number of output samples per trace = %d\n", nz );
fprintf ( stderr, "Sample rate = %f ms.\n", dt );
fprintf ( stderr, "Average velocity SU file name = %s\n", vfile );
fprintf ( stderr, "Number of VAVG input traces = %d\n", ntrv );
fprintf ( stderr, "Number of VAVG input samples per trace = %d\n", nsv );
fprintf ( stderr, "VAVG Sample rate = %f ms.\n", dtv );
fprintf ( stderr, "Input Delay = %f ms., First sample = %d\n", delrt, imin );
fprintf ( stderr, "Velocity Delay = %f ms., First sample = %d\n", delrtv, iminv );
fprintf ( stderr, "\n" );
}
rewind ( fv );
gelev_vmin = selev_vmin = INT_MAX;
gelev_vmax = selev_vmax = INT_MIN;
for ( i = 0; i < ntrv; ++i ) {
fgettr (fv, &vtr);
gelev_vmin = min ( gelev_vmin, vtr.gelev );
gelev_vmax = max ( gelev_vmax, vtr.gelev );
selev_vmin = min ( selev_vmin, vtr.selev );
selev_vmax = max ( selev_vmax, vtr.selev );
}
if ( verbose ) fprintf ( stderr, "VELOCITY DATA - gelev_vmin = %d, gelev_vmax = %d, selev_vmin = %d, selev_vmax = %d\n", gelev_vmin, gelev_vmax, selev_vmin, selev_vmax );
rewind (stdin);
gelev_min = selev_min = INT_MAX;
gelev_max = selev_max = INT_MIN;
for ( i = 0; i < ntr; ++i ) {
gettr (&tr);
gelev_min = min ( gelev_min, tr.gelev );
gelev_max = max ( gelev_max, tr.gelev );
selev_min = min ( selev_min, tr.selev );
selev_max = max ( selev_max, tr.selev );
}
if ( verbose ) fprintf ( stderr, "INPUT DATA - gelev_min = %d, gelev_max = %d, selev_min = %d, selev_max = %d\n", gelev_min, gelev_max, selev_min, selev_max );
gelev_globalmin = max ( gelev_min, gelev_vmin );
selev_globalmin = max ( selev_min, selev_vmin );
gelev_globalmax = min ( gelev_max, gelev_vmax );
selev_globalmax = min ( selev_max, selev_vmax );
gelev_num = gelev_globalmax - gelev_globalmin + 1;
selev_num = selev_globalmax - selev_globalmin + 1;
if ( verbose ) {
fprintf ( stderr, "\n" );
fprintf ( stderr, "gelev_globalmin = %d, gelev_globalmax = %d, selev_globalmin = %d, selev_globalmax = %d\n", gelev_globalmin, gelev_globalmax, selev_globalmin, selev_globalmax );
fprintf ( stderr, "gelev_num = %d, selev_num = %d\n", gelev_num, selev_num );
}
velocity = ealloc3float ( nsv, selev_num, gelev_num );
rewind ( fv );
ifirst = 0;
dfirst = 9999999999999999.9;
for ( k = 0; k < ntrv; ++k ) {
fgettr (fv, &vtr);
if ( vtr.gelev >= gelev_globalmin && vtr.gelev <= gelev_globalmax && vtr.selev >= selev_globalmin && vtr.selev <= selev_globalmax ) {
i = vtr.gelev - gelev_globalmin;
j = vtr.selev - selev_globalmin;
memcpy( (void *) &velocity[i][j][0], (const void *) &vtr.data, nsv * FSIZE );
dfirst = min ( dfirst, velocity[i][j][0] * delrtv * factor );
}
}
efclose (fv);
ifirst = nint ( dfirst / dt );
nz1 = nz - ifirst;
if ( verbose ) fprintf ( stderr, "ifirst = %d, dfirst = %f, nz1 = %d\n", ifirst, dfirst, nz1 );
float zero;
double depth_max;
zero = 0.0;
rewind (stdin);
for ( l = 0; l < ntr; ++l ) {
gettr (&tr);
if ( tr.gelev >= gelev_globalmin && tr.gelev <= gelev_globalmax && tr.selev >= selev_globalmin && tr.selev <= selev_globalmax ) {
i = tr.gelev - gelev_globalmin;
j = tr.selev - selev_globalmin;
for ( k = 0; k < nsv; ++k ) {
twt = ( k * dtv ) + delrtv;
tr_amp[k] = tr.data[k+iminv];
depth[k] = velocity[i][j][k] * twt * factor;
}
depth_max = depth[nsv-1];
fprintf ( stderr, "trace number = %5d, depth_max = %f\n", l, depth_max );
for ( k=ifirst; k < nz1; ++k ) {
z = k * dt;
if ( z <= depth_max ) {
dintlin ( nsv, depth, tr_amp, tr_amp[0], tr_amp[nsv-1], 1, &z, &_out );
tr.data[k-ifirst] = (float) amp_out;
} else {
tr.data[k-ifirst] = zero;
}
}
tr.trid = 1;
tr.ns = nsv;
tr.delrt = nint ( dfirst );
tr.dt = nint(dt*1000);
puttr (&tr);
}
}
free1double (tr_amp);
free1double (depth);
free3float (velocity);
return EXIT_SUCCESS;
}
int main(int argc, char **argv) {
char *coeff_x, *coeff_x2, file[BUFSIZ];
struct GRD_HEADER grd_x, grd_x2;
struct GMT_EDGEINFO edgeinfo_x, edgeinfo_x2;
struct GMT_BCR bcr_x, bcr_x2;
int *idx, n, ns, ntr, istart, istop, index;
float scale_factor;
double *x, *y, dt, zero, factor, rns;
double ri, **A, *B, d, sum;
double water_depth, error, rx, ry;
double value_coeff_x, value_coeff_x2, water_velocity, x_loc, y_loc;
short check, verbose, intercept;
register int i, j, k, l;
initargs(argc, argv);
argc = GMT_begin (argc, argv);
if (!getparint("n", &n)) n = 4;
if (!getparshort("intercept", &intercept)) intercept = 0;
if (!getparshort("verbose", &verbose)) verbose = 1;
if (!getparstring("coeff_x", &coeff_x)) coeff_x="/home/user/Field/GRIDS/wb.twt.sm2500.new.grd";
if (!getparstring("coeff_x2", &coeff_x2)) coeff_x2="/home/user/Field/HORIZONS/DC_Base_Reservoir.reform.dat.trimmed.sample.smooth.grd";
if ( verbose ) {
fprintf ( stderr, "\n" );
fprintf ( stderr, "WB TWT GMT grid file name = %s\n", coeff_x );
fprintf ( stderr, "Bottom Horizon GMT grid file name = %s\n", coeff_x2 );
}
GMT_boundcond_init (&edgeinfo_x);
GMT_boundcond_init (&edgeinfo_x2);
GMT_grd_init (&grd_x, argc, argv, FALSE);
GMT_grd_init (&grd_x2, argc, argv, FALSE);
if (GMT_read_grd_info (coeff_x, &grd_x)) fprintf (stderr, "%s: Error opening file %s\n", GMT_program, file);
if (GMT_read_grd_info (coeff_x2, &grd_x2)) fprintf (stderr, "%s: Error opening file %s\n", GMT_program, file);
f1 = (float *) GMT_memory (VNULL, (size_t)((grd_x.nx + 4) * (grd_x.ny + 4)), sizeof(float), GMT_program);
f2 = (float *) GMT_memory (VNULL, (size_t)((grd_x2.nx + 4) * (grd_x2.ny + 4)), sizeof(float), GMT_program);
GMT_pad[0] = GMT_pad[1] = GMT_pad[2] = GMT_pad[3] = 2;
GMT_boundcond_param_prep (&grd_x, &edgeinfo_x);
GMT_boundcond_param_prep (&grd_x2, &edgeinfo_x2);
GMT_boundcond_set (&grd_x, &edgeinfo_x, GMT_pad, f1);
GMT_boundcond_set (&grd_x2, &edgeinfo_x2, GMT_pad, f2);
GMT_bcr_init (&grd_x, GMT_pad, BCR_BSPLINE, 1, &bcr_x);
GMT_bcr_init (&grd_x2, GMT_pad, BCR_BSPLINE, 1, &bcr_x2);
GMT_read_grd (coeff_x, &grd_x, f1, 0.0, 0.0, 0.0, 0.0, GMT_pad, FALSE);
GMT_read_grd (coeff_x2, &grd_x2, f2, 0.0, 0.0, 0.0, 0.0, GMT_pad, FALSE);
ntr = gettra (&tr, 0);
ns = tr.ns;
dt = tr.dt * 0.001;
scale_factor = tr.scalco;
if (scale_factor < 0.0 ) scale_factor *= -1.0;
if (scale_factor == 0.0 ) scale_factor = 1.0;
zero = 0.0;
factor = 0.0005;
rns = ns;
if ( verbose ) {
fprintf ( stderr, "\n" );
fprintf ( stderr, "Degree of Polynomial = %d\n", n );
fprintf ( stderr, "Intercept = %d\n", intercept );
fprintf ( stderr, "Number of input traces = %d\n", ntr );
fprintf ( stderr, "Number of samples per trace = %d\n", ns );
fprintf ( stderr, "Sample rate = %f ms.\n", dt );
fprintf ( stderr, "Scale Factor for X and Y Coordinates = %f\n", scale_factor );
fprintf ( stderr, "\n" );
}
A = dmatrix (1,n,1,n);
B = dvector (1,n);
x = ealloc1double (ns);
y = ealloc1double (ns);
rewind (stdin);
for (l=0;l<ntr;l++) {
gettr (&tr);
x_loc = tr.sx = nint ( tr.sx / scale_factor );
y_loc = tr.sy = nint ( tr.sy / scale_factor );
check = 0;
istop = ns;
if ( x_loc >= grd_x.x_min && x_loc <= grd_x.x_max && y_loc >= grd_x.y_min && y_loc <= grd_x.y_max ) check = 1;
if ( check ) {
value_coeff_x = GMT_get_bcr_z (&grd_x, x_loc, y_loc, f1, &edgeinfo_x, &bcr_x);
value_coeff_x2 = GMT_get_bcr_z (&grd_x2, x_loc, y_loc, f2, &edgeinfo_x2, &bcr_x2);
if (GMT_is_dnan (value_coeff_x) || GMT_is_dnan (value_coeff_x2)) {
check = 0;
} else {
if ( value_coeff_x < 0.0 ) value_coeff_x *= -1.0;
if ( value_coeff_x2 < 0.0 ) value_coeff_x2 *= -1.0;
value_coeff_x2 += 100.0;
istop = nint ( value_coeff_x2 / dt );
istop = max ( min ( istop, ns ), 0 );
if ( tr.wevel > 0 ) {
water_velocity = tr.wevel;
} else {
index = max ( min ( nint(value_coeff_x/dt), ns ), 0 );
water_velocity = tr.data[index];
}
water_depth = water_velocity * value_coeff_x * factor;
}
}
if ( verbose == 3 && check ) {
fprintf ( stderr, "input trace = %6d, xloc = %8.2f yloc = %8.2f, WB TWT = %8.2f ms., WB Depth = %10.4f meters, Water Velocity = %8.2f mps, Bottom Horizon = %8.2f\n",
l, x_loc, y_loc, value_coeff_x, water_depth, water_velocity, value_coeff_x2 );
}
if ( check ) {
for (k=0;k<=istop;k++) {
x[k] = k * dt;
y[k] = ( ( tr.data[k] * x[k] ) * factor ) - water_depth;
x[k] -= value_coeff_x;
}
istart = 0;
for (k=0;k<=istop;k++) {
if ( x[k] >= zero && y[k] >= zero ) {
istart = k;
break;
}
}
if ( verbose == 3 ) fprintf ( stderr, "istart = %d, istop = %d\n", istart, istop );
for (i=1;i<=n;i++) {
for (j=1;j<=n;j++) {
sum = zero;
ri = i+j-2;
for (k=istart;k<=istop;k++) sum += pow ( x[k], ri );
if (i>1&&j==1&&intercept==0) sum = zero;
A[i][j] = sum;
}
}
for (i=1;i<=n;i++) {
sum = zero;
ri = i - 1;
for (j=istart;j<=istop;j++) sum += pow( x[j], ri ) * y[j];
B[i] = sum;
}
idx = ivector (1, n);
ludcmp ( A, n, idx, &d );
lubksb ( A, n, idx, B );
error = ry = zero;
if ( intercept ) {
for ( i=istart; i<=istop; i++ ) {
rx = x[i];
ry = B[1];
for (j=2;j<=n;j++) ry += B[j] * pow ( rx, j-1 );
error += abs ( ry - y[i] );
if ( verbose == 2 ) fprintf ( stderr, "%-6d %12.2f %12.2f %12.2f %12.4f %12.4f\n", i, rx, y[i], ry, ry - y[i], error );
}
} else {
for ( i=istart; i<=istop; i++ ) {
rx = x[i];
ry = zero;
for (j=1;j<=n;j++) ry += B[j] * pow ( rx, j-1 );
error += abs ( ry - y[i] );
if ( verbose == 2 ) fprintf ( stderr, "%-6d %12.2f %12.2f %12.2f %12.4f %12.4f\n", i, rx, y[i], ry, ry - y[i], error );
}
}
rns = istop - istart + 1;
if ( verbose ) {
if ( intercept ) {
for (i=1;i<=n;i++) printf ( "coefficient number = %5d, Solution vector = %30.25f, Average Error = %12.4f\n", i, B[i], error / rns );
} else {
for (i=2;i<=n;i++) printf ( "coefficient number = %5d, Solution vector = %30.25f, Average Error = %12.4f\n", i, B[i], error / rns );
}
} else {
printf ( "%-12.2f %12.2f ", x_loc, y_loc );
if ( intercept ) {
for (i=1;i<n;i++) printf ( "%30.25f ", B[i] );
} else {
for (i=2;i<n;i++) printf ( "%30.25f ", B[i] );
}
printf ( "%30.25f %12.4f %12.4f %12.4f %12.4f %12.4f\n", B[n], error / rns, water_velocity, water_depth, value_coeff_x, value_coeff_x2 );
}
}
}
free_dmatrix (A,1,n,1,n);
free_dvector (B,1,n);
free1double (x);
free1double (y);
GMT_free ((void *)f1);
GMT_free ((void *)f2);
GMT_end (argc, argv);
return EXIT_SUCCESS;
}
int main(int argc, char **argv) {
char *coeff_x, *coeff_x2, *coeff_x3, *coeff_x4, file[BUFSIZ];
struct GRD_HEADER grd_x, grd_x2, grd_x3, grd_x4;
struct GMT_EDGEINFO edgeinfo_x, edgeinfo_x2, edgeinfo_x3, edgeinfo_x4;
struct GMT_BCR bcr_x, bcr_x2, bcr_x3, bcr_x4;
double x_loc, y_loc, value_coeff_x, value_coeff_x2, value_coeff_x3, value_coeff_x4;
char temp[256];
cwp_String pfile;
FILE *fpp;
short verbose, check;
int kount, nump1;
double sum, error1, sign;
double delta, thresh;
double *vzero_opt, *k_opt;
double *datain, *samp, *xloc_array, *yloc_array;
double depth_water, factor, num, sample;
double vzero, k;
double *wb_twt_array, *wb_z_array;
double error, x, y, zero;
register int i;
initargs(argc, argv);
argc = GMT_begin (argc, argv);
if (!getparstring("pfile",&pfile)) pfile = "tops.lis";
if (!getparshort("verbose", &verbose)) verbose = 1;
if (!getpardouble("delta", &delta)) delta = 0.00001;
if (!getpardouble("thresh", &thresh)) thresh = 0.01;
zero = 0.0;
if (!getparstring("coeff_x", &coeff_x)) coeff_x="wb.twt.grd";
if (!getparstring("coeff_x2", &coeff_x2)) coeff_x2="wvavg.dat.trimmed.sample.smooth.grd";
if (!getparstring("coeff_x3", &coeff_x3)) coeff_x3="vzero.seismic.dat.trimmed.sample.smooth.grd";
if (!getparstring("coeff_x4", &coeff_x4)) coeff_x4="k.seismic.dat.trimmed.sample.smooth.grd";
if ( verbose ) {
fprintf ( stderr, "\n" );
fprintf ( stderr, "WB TWT (ms.) GMT grid file name = %s\n", coeff_x );
fprintf ( stderr, "WB VAVG (m) GMT grid file name = %s\n", coeff_x2 );
fprintf ( stderr, "Seismic VZERO GMT grid file name = %s\n", coeff_x3 );
fprintf ( stderr, "Seismic K GMT grid file name = %s\n", coeff_x4 );
fprintf ( stderr, "Delta = %.10f\n", delta );
fprintf ( stderr, "Threshold = %f\n", thresh );
}
GMT_boundcond_init (&edgeinfo_x);
GMT_boundcond_init (&edgeinfo_x2);
GMT_boundcond_init (&edgeinfo_x3);
GMT_boundcond_init (&edgeinfo_x4);
GMT_grd_init (&grd_x, argc, argv, FALSE);
GMT_grd_init (&grd_x2, argc, argv, FALSE);
GMT_grd_init (&grd_x3, argc, argv, FALSE);
GMT_grd_init (&grd_x4, argc, argv, FALSE);
if (GMT_read_grd_info (coeff_x, &grd_x)) fprintf (stderr, "%s: Error opening file %s\n", GMT_program, file);
if (GMT_read_grd_info (coeff_x2, &grd_x2)) fprintf (stderr, "%s: Error opening file %s\n", GMT_program, file);
if (GMT_read_grd_info (coeff_x3, &grd_x3)) fprintf (stderr, "%s: Error opening file %s\n", GMT_program, file);
if (GMT_read_grd_info (coeff_x4, &grd_x4)) fprintf (stderr, "%s: Error opening file %s\n", GMT_program, file);
f1 = (float *) GMT_memory (VNULL, (size_t)((grd_x.nx + 4) * (grd_x.ny + 4)), sizeof(float), GMT_program);
f2 = (float *) GMT_memory (VNULL, (size_t)((grd_x2.nx + 4) * (grd_x2.ny + 4)), sizeof(float), GMT_program);
f3 = (float *) GMT_memory (VNULL, (size_t)((grd_x3.nx + 4) * (grd_x3.ny + 4)), sizeof(float), GMT_program);
f4 = (float *) GMT_memory (VNULL, (size_t)((grd_x4.nx + 4) * (grd_x4.ny + 4)), sizeof(float), GMT_program);
GMT_pad[0] = GMT_pad[1] = GMT_pad[2] = GMT_pad[3] = 2;
GMT_boundcond_param_prep (&grd_x, &edgeinfo_x);
GMT_boundcond_param_prep (&grd_x2, &edgeinfo_x2);
GMT_boundcond_param_prep (&grd_x3, &edgeinfo_x3);
GMT_boundcond_param_prep (&grd_x4, &edgeinfo_x4);
GMT_boundcond_set (&grd_x, &edgeinfo_x, GMT_pad, f1);
GMT_boundcond_set (&grd_x2, &edgeinfo_x2, GMT_pad, f2);
GMT_boundcond_set (&grd_x3, &edgeinfo_x3, GMT_pad, f3);
GMT_boundcond_set (&grd_x4, &edgeinfo_x4, GMT_pad, f4);
GMT_bcr_init (&grd_x, GMT_pad, BCR_BSPLINE, 1, &bcr_x);
GMT_bcr_init (&grd_x2, GMT_pad, BCR_BSPLINE, 1, &bcr_x2);
GMT_bcr_init (&grd_x3, GMT_pad, BCR_BSPLINE, 1, &bcr_x3);
GMT_bcr_init (&grd_x4, GMT_pad, BCR_BSPLINE, 1, &bcr_x4);
GMT_read_grd (coeff_x, &grd_x, f1, 0.0, 0.0, 0.0, 0.0, GMT_pad, FALSE);
GMT_read_grd (coeff_x2, &grd_x2, f2, 0.0, 0.0, 0.0, 0.0, GMT_pad, FALSE);
GMT_read_grd (coeff_x3, &grd_x3, f3, 0.0, 0.0, 0.0, 0.0, GMT_pad, FALSE);
GMT_read_grd (coeff_x4, &grd_x4, f4, 0.0, 0.0, 0.0, 0.0, GMT_pad, FALSE);
fpp = efopen (pfile, "r");
kount = 0;
while (NULL != fgets ( temp, sizeof(temp), fpp )) {
++kount;
(void) sscanf ( ((&(temp[0]))), "%lf%lf%lf%lf", &x_loc, &y_loc, &num, &sample );
}
if ( verbose != 0) {
fprintf (stderr,"\n");
fprintf (stderr,"Data file name = %s, number of input samples = %d\n", pfile, kount);
fprintf (stderr,"\n");
}
samp = ealloc1double ( kount );
datain = ealloc1double ( kount );
xloc_array = ealloc1double ( kount );
yloc_array = ealloc1double ( kount );
vzero_opt = ealloc1double ( kount );
k_opt = ealloc1double ( kount );
wb_twt_array = ealloc1double ( kount );
wb_z_array = ealloc1double ( kount );
rewind ( fpp );
kount = -1;
while (NULL != fgets ( temp, sizeof(temp), fpp )) {
++kount;
(void) sscanf ( ((&(temp[0]))), "%lf%lf%lf%lf", &x_loc, &y_loc, &num, &sample );
xloc_array[kount] = x_loc;
yloc_array[kount] = y_loc;
samp[kount] = num;
datain[kount] = sample;
if ( verbose == 2 ) fprintf ( stderr, "kount = %5d, x_loc = %12.2f, y_loc = %12.2f, num = %8.2f, sample = %8.2f\n", kount, xloc_array[kount], yloc_array[kount], samp[kount], datain[kount] );
}
if ( verbose == 2 ) fprintf ( stderr, "\n" );
efclose (fpp);
factor = 0.0005;
nump1 = kount + 1;
depth_water = error = zero;
for ( i=0; i<=kount; i++ ) {
check = 0;
x_loc = xloc_array[i];
y_loc = yloc_array[i];
if ( x_loc >= grd_x.x_min && x_loc <= grd_x.x_max && y_loc >= grd_x.y_min && y_loc <= grd_x.y_max ) check = 1;
if ( check ) {
value_coeff_x = GMT_get_bcr_z (&grd_x, x_loc, y_loc, f1, &edgeinfo_x, &bcr_x);
value_coeff_x2 = GMT_get_bcr_z (&grd_x2, x_loc, y_loc, f2, &edgeinfo_x2, &bcr_x2);
value_coeff_x3 = GMT_get_bcr_z (&grd_x3, x_loc, y_loc, f3, &edgeinfo_x3, &bcr_x3);
value_coeff_x4 = GMT_get_bcr_z (&grd_x4, x_loc, y_loc, f4, &edgeinfo_x4, &bcr_x4);
if (GMT_is_dnan (value_coeff_x) || GMT_is_dnan (value_coeff_x2) || GMT_is_dnan (value_coeff_x3) || GMT_is_dnan (value_coeff_x4) ) {
check = 0;
} else {
if ( value_coeff_x < 0.0 ) value_coeff_x *= -1.0;
if ( value_coeff_x2 < 0.0 ) value_coeff_x2 *= -1.0;
if ( value_coeff_x3 < 0.0 ) value_coeff_x3 *= -1.0;
if ( value_coeff_x4 < 0.0 ) value_coeff_x4 *= -1.0;
samp[i] -= value_coeff_x;
depth_water = value_coeff_x * value_coeff_x2 * factor;
datain[i] -= depth_water;
wb_twt_array[i] = value_coeff_x;
wb_z_array[i] = depth_water;
if ( verbose == 3 ) fprintf ( stderr, "num = %5d, xloc = %10.2f yloc = %10.2f, WB TWT = %8.2f ms., WB Depth = %8.2f m., WB VEL = %8.2f mps., Vzero = %20.15f, K = %20.15f\n",
i, x_loc, y_loc, value_coeff_x, depth_water, value_coeff_x2, value_coeff_x3, value_coeff_x4 );
vzero_opt[i] = value_coeff_x3;
k_opt[i] = value_coeff_x4;
}
}
}
if ( verbose == 3 ) fprintf ( stderr, "\n" );
sum = zero;
for ( i=0; i<=kount; i++ ) {
vzero = vzero_opt[i];
k = k_opt[i];
x = samp[i];
y = ( vzero / k ) * ( exp ( k * x * factor ) - 1.0 );
error += abs ( y - datain[i] );
if ( verbose == 3 ) fprintf ( stderr, "%-5d %12.2f %12.2f %12.2f %12.4f %12.4f\n", i, x, datain[i], y, y - datain[i], error );
sign = 1.0;
error = error1 = y - datain[i];
for (;;) {
if ( abs(error1) < thresh ) break;
vzero = vzero_opt[i];
k += ( delta * sign );
x = samp[i];
y = ( vzero / k ) * ( exp ( k * x * factor ) - 1.0 );
error1 = y - datain[i];
if ( verbose == 2 ) fprintf ( stderr, "%-5d %12.2f %12.2f %12.2f %12.4f\n", i, x, datain[i], y, error1 );
if ( (error1 > zero && error1 > error) || (error1 < zero && error1 < error) ) sign *= -1.0;
}
sum += abs ( y - datain[i] );
if ( verbose ) {
fprintf ( stderr, "%-5d %12.2f %12.2f %12.2f %12.4f %12.4f\n", i, x, datain[i], y, y - datain[i], sum );
fprintf ( stderr, "%12.2f %12.2f ", xloc_array[i], yloc_array[i] );
fprintf ( stderr, "%30.25f %30.25f %8.2f %8.2f %8.2f\n", vzero, k, wb_twt_array[i], wb_z_array[i], sum / (float) nump1 );
}
printf ( "%12.2f %12.2f ", xloc_array[i], yloc_array[i] );
printf ( "%30.25f %30.25f %8.2f %8.2f %8.2f\n", vzero, k, wb_twt_array[i], wb_z_array[i], sum / (float) nump1 );
}
free1double (samp);
free1double (datain);
free1double (xloc_array);
free1double (yloc_array);
free1double (vzero_opt);
free1double (k_opt);
free1double (wb_twt_array);
free1double (wb_z_array);
GMT_free ((void *)f1);
GMT_free ((void *)f2);
GMT_free ((void *)f3);
GMT_free ((void *)f4);
GMT_end (argc, argv);
return EXIT_SUCCESS;
}
int main (int argc, char **argv) {
char file[BUFSIZ];
char *coeff_top_k, *coeff_bottom_k;
char *coeff_wb_twt, *coeff_top_twt, *coeff_middle_twt, *coeff_bottom_twt;
char *coeff_middle_vint, *coeff_bottom_vint, *coeff_campan_vint;
char *coeff_top_z, *coeff_bottom_z;
struct GRD_HEADER grd_top_k, grd_bottom_k;
struct GRD_HEADER grd_wb_twt, grd_top_twt, grd_middle_twt, grd_bottom_twt;
struct GRD_HEADER grd_middle_vint, grd_bottom_vint, grd_campan_vint;
struct GRD_HEADER grd_top_z, grd_bottom_z;
struct GMT_EDGEINFO edgeinfo_top_k, edgeinfo_bottom_k;
struct GMT_EDGEINFO edgeinfo_wb_twt, edgeinfo_top_twt, edgeinfo_middle_twt, edgeinfo_bottom_twt;
struct GMT_EDGEINFO edgeinfo_middle_vint, edgeinfo_bottom_vint, edgeinfo_campan_vint;
struct GMT_EDGEINFO edgeinfo_top_z, edgeinfo_bottom_z;
struct GMT_BCR bcr_top_k, bcr_bottom_k;
struct GMT_BCR bcr_wb_twt, bcr_top_twt, bcr_middle_twt, bcr_bottom_twt;
struct GMT_BCR bcr_middle_vint, bcr_bottom_vint, bcr_campan_vint;
struct GMT_BCR bcr_top_z, bcr_bottom_z;
double value_coeff_top_k, value_coeff_bottom_k;
double value_coeff_wb_twt, value_coeff_top_twt, value_coeff_middle_twt, value_coeff_bottom_twt;
double value_coeff_middle_vint, value_coeff_bottom_vint, value_coeff_campan_vint;
double value_coeff_top_z, value_coeff_bottom_z;
short verbose;
int scalar, nz, ntr, ns;
double water_depth, vwater, ratio, factor1, dz, x_loc, y_loc;
double tr_msec, tr_msec_orig, dt_msec, depth_input, amp_output;
double delrt_depth, delta_twt, delta_k, gradient, K;
double *tr_amp, *depth;
register int k, n;
initargs(argc, argv);
argc = GMT_begin (argc, argv);
if (!getparstring ("coeff_top_k", &coeff_top_k)) coeff_top_k = "/home/user/FIELD.new/PICKS/DEPTH_GRIDS/below.ml.K.grd";
if (!getparstring ("coeff_bottom_k", &coeff_bottom_k)) coeff_bottom_k = "/home/user/FIELD.new/PICKS/DEPTH_GRIDS/bottom.K.grd";
if (!getparstring ("coeff_wb_twt", &coeff_wb_twt)) coeff_wb_twt = "/home/user/FIELD.new/PICKS/wb.twt.grd";
if (!getparstring ("coeff_top_twt", &coeff_top_twt)) coeff_top_twt = "/home/user/FIELD.new/PICKS/TWT_GRIDS/01_FIELD_Top_Reservoir_twt.reform.dat.trimmed.grd";
if (!getparstring ("coeff_middle_twt", &coeff_middle_twt)) coeff_middle_twt = "/home/user/FIELD.new/PICKS/TWT_GRIDS/06_FIELD_C_top_twt.reform.dat.trimmed.grd";
if (!getparstring ("coeff_bottom_twt", &coeff_bottom_twt)) coeff_bottom_twt = "/home/user/FIELD.new/PICKS/TWT_GRIDS/10_FIELD_80MaSB_twt.reform.dat.trimmed.grd";
if (!getparstring ("coeff_middle_vint", &coeff_middle_vint)) coeff_middle_vint = "/home/user/FIELD.new/PICKS/VINT_GRIDS/vint.top_res.C_Sand.mps.filter.grd";
if (!getparstring ("coeff_bottom_vint", &coeff_bottom_vint)) coeff_bottom_vint = "/home/user/FIELD.new/PICKS/VINT_GRIDS/vint.C_Sand.80MaSB.mps.filter.grd";
if (!getparstring ("coeff_campan_vint", &coeff_campan_vint)) coeff_campan_vint = "/home/user/FIELD.new/PICKS/VINT_GRIDS/vint.top_res.80MaSB.mps.filter.grd";
if (!getparstring ("coeff_top_z", &coeff_top_z)) coeff_top_z = "/home/user/FIELD.new/PICKS/DEPTH_GRIDS/01_FIELD_Top_Reservoir.depth.new.grd";
if (!getparstring ("coeff_bottom_z", &coeff_bottom_z)) coeff_bottom_z = "/home/user/FIELD.new/PICKS/DEPTH_GRIDS/10_FIELD_80MaSB.depth.new.grd";
if (!getparshort ("verbose", &verbose)) verbose = 0;
if ( verbose ) {
fprintf ( stderr, "\n" );
fprintf ( stderr, "Top_K - GMT grid file name = %s\n", coeff_top_k );
fprintf ( stderr, "Bottom_K - GMT grid file name = %s\n", coeff_bottom_k );
fprintf ( stderr, "WB_TWT - GMT grid file name = %s\n", coeff_wb_twt );
fprintf ( stderr, "TOP_TWT - GMT grid file name = %s\n", coeff_top_twt );
fprintf ( stderr, "MIDDLE_TWT - GMT grid file name = %s\n", coeff_middle_twt );
fprintf ( stderr, "BOTTOM_TWT - GMT grid file name = %s\n", coeff_bottom_twt );
fprintf ( stderr, "MIDDLE_VINT - GMT grid file name = %s\n", coeff_middle_vint );
fprintf ( stderr, "BOTTOM_VINT - GMT grid file name = %s\n", coeff_bottom_vint );
fprintf ( stderr, "CAMPAN_VINT - GMT grid file name = %s\n", coeff_campan_vint );
fprintf ( stderr, "TOP_Z - GMT grid file name = %s\n", coeff_top_z );
fprintf ( stderr, "BOTTOM_Z - GMT grid file name = %s\n", coeff_bottom_z );
fprintf ( stderr, "\n" );
}
GMT_boundcond_init (&edgeinfo_top_k);
GMT_boundcond_init (&edgeinfo_bottom_k);
GMT_boundcond_init (&edgeinfo_wb_twt);
GMT_boundcond_init (&edgeinfo_top_twt);
GMT_boundcond_init (&edgeinfo_middle_twt);
GMT_boundcond_init (&edgeinfo_bottom_twt);
GMT_boundcond_init (&edgeinfo_middle_vint);
GMT_boundcond_init (&edgeinfo_bottom_vint);
GMT_boundcond_init (&edgeinfo_campan_vint);
GMT_boundcond_init (&edgeinfo_top_z);
GMT_boundcond_init (&edgeinfo_bottom_z);
GMT_grd_init (&grd_top_k, argc, argv, FALSE);
GMT_grd_init (&grd_bottom_k, argc, argv, FALSE);
GMT_grd_init (&grd_wb_twt, argc, argv, FALSE);
GMT_grd_init (&grd_top_twt, argc, argv, FALSE);
GMT_grd_init (&grd_middle_twt, argc, argv, FALSE);
GMT_grd_init (&grd_bottom_twt, argc, argv, FALSE);
GMT_grd_init (&grd_middle_vint, argc, argv, FALSE);
GMT_grd_init (&grd_bottom_vint, argc, argv, FALSE);
GMT_grd_init (&grd_campan_vint, argc, argv, FALSE);
GMT_grd_init (&grd_top_z, argc, argv, FALSE);
GMT_grd_init (&grd_bottom_z, argc, argv, FALSE);
if (GMT_read_grd_info (coeff_top_k, &grd_top_k)) fprintf (stderr, "%s: Error opening file %s\n", GMT_program, file);
if (GMT_read_grd_info (coeff_bottom_k, &grd_bottom_k)) fprintf (stderr, "%s: Error opening file %s\n", GMT_program, file);
if (GMT_read_grd_info (coeff_wb_twt, &grd_wb_twt)) fprintf (stderr, "%s: Error opening file %s\n", GMT_program, file);
if (GMT_read_grd_info (coeff_top_twt, &grd_top_twt)) fprintf (stderr, "%s: Error opening file %s\n", GMT_program, file);
if (GMT_read_grd_info (coeff_middle_twt, &grd_middle_twt)) fprintf (stderr, "%s: Error opening file %s\n", GMT_program, file);
if (GMT_read_grd_info (coeff_bottom_twt, &grd_bottom_twt)) fprintf (stderr, "%s: Error opening file %s\n", GMT_program, file);
if (GMT_read_grd_info (coeff_middle_vint, &grd_middle_vint)) fprintf (stderr, "%s: Error opening file %s\n", GMT_program, file);
if (GMT_read_grd_info (coeff_bottom_vint, &grd_bottom_vint)) fprintf (stderr, "%s: Error opening file %s\n", GMT_program, file);
if (GMT_read_grd_info (coeff_campan_vint, &grd_campan_vint)) fprintf (stderr, "%s: Error opening file %s\n", GMT_program, file);
if (GMT_read_grd_info (coeff_top_z, &grd_top_z)) fprintf (stderr, "%s: Error opening file %s\n", GMT_program, file);
if (GMT_read_grd_info (coeff_bottom_z, &grd_bottom_z)) fprintf (stderr, "%s: Error opening file %s\n", GMT_program, file);
f_top_k = (float *) GMT_memory (VNULL, (size_t)((grd_top_k.nx + 4) * (grd_top_k.ny + 4)), sizeof(float), GMT_program);
f_bottom_k = (float *) GMT_memory (VNULL, (size_t)((grd_bottom_k.nx + 4) * (grd_bottom_k.ny + 4)), sizeof(float), GMT_program);
f_wb_twt = (float *) GMT_memory (VNULL, (size_t)((grd_wb_twt.nx + 4) * (grd_wb_twt.ny + 4)), sizeof(float), GMT_program);
f_top_twt = (float *) GMT_memory (VNULL, (size_t)((grd_top_twt.nx + 4) * (grd_top_twt.ny + 4)), sizeof(float), GMT_program);
f_middle_twt = (float *) GMT_memory (VNULL, (size_t)((grd_middle_twt.nx + 4) * (grd_middle_twt.ny + 4)), sizeof(float), GMT_program);
f_bottom_twt = (float *) GMT_memory (VNULL, (size_t)((grd_bottom_twt.nx + 4) * (grd_bottom_twt.ny + 4)), sizeof(float), GMT_program);
f_middle_vint = (float *) GMT_memory (VNULL, (size_t)((grd_middle_vint.nx + 4) * (grd_middle_vint.ny + 4)), sizeof(float), GMT_program);
f_bottom_vint = (float *) GMT_memory (VNULL, (size_t)((grd_bottom_vint.nx + 4) * (grd_bottom_vint.ny + 4)), sizeof(float), GMT_program);
f_campan_vint = (float *) GMT_memory (VNULL, (size_t)((grd_campan_vint.nx + 4) * (grd_campan_vint.ny + 4)), sizeof(float), GMT_program);
f_top_z = (float *) GMT_memory (VNULL, (size_t)((grd_top_z.nx + 4) * (grd_top_z.ny + 4)), sizeof(float), GMT_program);
f_bottom_z = (float *) GMT_memory (VNULL, (size_t)((grd_bottom_z.nx + 4) * (grd_bottom_z.ny + 4)), sizeof(float), GMT_program);
GMT_pad[0] = GMT_pad[1] = GMT_pad[2] = GMT_pad[3] = 2;
GMT_boundcond_param_prep (&grd_top_k, &edgeinfo_top_k);
GMT_boundcond_param_prep (&grd_bottom_k, &edgeinfo_bottom_k);
GMT_boundcond_param_prep (&grd_wb_twt, &edgeinfo_wb_twt);
GMT_boundcond_param_prep (&grd_top_twt, &edgeinfo_top_twt);
GMT_boundcond_param_prep (&grd_middle_twt, &edgeinfo_middle_twt);
GMT_boundcond_param_prep (&grd_bottom_twt, &edgeinfo_bottom_twt);
GMT_boundcond_param_prep (&grd_middle_vint, &edgeinfo_middle_vint);
GMT_boundcond_param_prep (&grd_bottom_vint, &edgeinfo_bottom_vint);
GMT_boundcond_param_prep (&grd_campan_vint, &edgeinfo_campan_vint);
GMT_boundcond_param_prep (&grd_top_z, &edgeinfo_top_z);
GMT_boundcond_param_prep (&grd_bottom_z, &edgeinfo_bottom_z);
GMT_boundcond_set (&grd_top_k, &edgeinfo_top_k, GMT_pad, f_top_k);
GMT_boundcond_set (&grd_bottom_k, &edgeinfo_bottom_k, GMT_pad, f_bottom_k);
GMT_boundcond_set (&grd_wb_twt, &edgeinfo_wb_twt, GMT_pad, f_wb_twt);
GMT_boundcond_set (&grd_top_twt, &edgeinfo_top_twt, GMT_pad, f_top_twt);
GMT_boundcond_set (&grd_middle_twt, &edgeinfo_middle_twt, GMT_pad, f_middle_twt);
GMT_boundcond_set (&grd_bottom_twt, &edgeinfo_bottom_twt, GMT_pad, f_bottom_twt);
GMT_boundcond_set (&grd_middle_vint, &edgeinfo_middle_vint, GMT_pad, f_middle_vint);
GMT_boundcond_set (&grd_bottom_vint, &edgeinfo_bottom_vint, GMT_pad, f_bottom_vint);
GMT_boundcond_set (&grd_campan_vint, &edgeinfo_campan_vint, GMT_pad, f_campan_vint);
GMT_boundcond_set (&grd_top_z, &edgeinfo_top_z, GMT_pad, f_top_z);
GMT_boundcond_set (&grd_bottom_z, &edgeinfo_bottom_z, GMT_pad, f_bottom_z);
GMT_bcr_init (&grd_top_k, GMT_pad, BCR_BSPLINE, 1, &bcr_top_k);
GMT_bcr_init (&grd_bottom_k, GMT_pad, BCR_BSPLINE, 1, &bcr_bottom_k);
GMT_bcr_init (&grd_wb_twt, GMT_pad, BCR_BSPLINE, 1, &bcr_wb_twt);
GMT_bcr_init (&grd_top_twt, GMT_pad, BCR_BSPLINE, 1, &bcr_top_twt);
GMT_bcr_init (&grd_middle_twt, GMT_pad, BCR_BSPLINE, 1, &bcr_middle_twt);
GMT_bcr_init (&grd_bottom_twt, GMT_pad, BCR_BSPLINE, 1, &bcr_bottom_twt);
GMT_bcr_init (&grd_middle_vint, GMT_pad, BCR_BSPLINE, 1, &bcr_middle_vint);
GMT_bcr_init (&grd_bottom_vint, GMT_pad, BCR_BSPLINE, 1, &bcr_bottom_vint);
GMT_bcr_init (&grd_campan_vint, GMT_pad, BCR_BSPLINE, 1, &bcr_campan_vint);
GMT_bcr_init (&grd_top_z, GMT_pad, BCR_BSPLINE, 1, &bcr_top_z);
GMT_bcr_init (&grd_bottom_z, GMT_pad, BCR_BSPLINE, 1, &bcr_bottom_z);
GMT_read_grd (coeff_top_k, &grd_top_k, f_top_k, 0.0, 0.0, 0.0, 0.0, GMT_pad, FALSE);
GMT_read_grd (coeff_bottom_k, &grd_bottom_k, f_bottom_k, 0.0, 0.0, 0.0, 0.0, GMT_pad, FALSE);
GMT_read_grd (coeff_wb_twt, &grd_wb_twt, f_wb_twt, 0.0, 0.0, 0.0, 0.0, GMT_pad, FALSE);
GMT_read_grd (coeff_top_twt, &grd_top_twt, f_top_twt, 0.0, 0.0, 0.0, 0.0, GMT_pad, FALSE);
GMT_read_grd (coeff_middle_twt, &grd_middle_twt, f_middle_twt, 0.0, 0.0, 0.0, 0.0, GMT_pad, FALSE);
GMT_read_grd (coeff_bottom_twt, &grd_bottom_twt, f_bottom_twt, 0.0, 0.0, 0.0, 0.0, GMT_pad, FALSE);
GMT_read_grd (coeff_middle_vint, &grd_middle_vint, f_middle_vint, 0.0, 0.0, 0.0, 0.0, GMT_pad, FALSE);
GMT_read_grd (coeff_bottom_vint, &grd_bottom_vint, f_bottom_vint, 0.0, 0.0, 0.0, 0.0, GMT_pad, FALSE);
GMT_read_grd (coeff_campan_vint, &grd_campan_vint, f_campan_vint, 0.0, 0.0, 0.0, 0.0, GMT_pad, FALSE);
GMT_read_grd (coeff_top_z, &grd_top_z, f_top_z, 0.0, 0.0, 0.0, 0.0, GMT_pad, FALSE);
GMT_read_grd (coeff_bottom_z, &grd_bottom_z, f_bottom_z, 0.0, 0.0, 0.0, 0.0, GMT_pad, FALSE);
/* Get info from first trace */
ntr = gettra (&tr, 0);
ns = tr.ns;
scalar = abs ( tr.scalel );
if ( scalar == 0 ) scalar = 1;
dt_msec = tr.dt * 0.001;
if (!getpardouble ("dz",&dz)) dz = 1;
if (!getpardouble ("vwater",&vwater)) vwater = 1452.05;
if (!getparint ("nz",&nz)) nz = ns;
if ( verbose ) {
fprintf ( stderr, "Output depth sample rate (dz) = %f\n", dz );
fprintf ( stderr, "Number of output depth samples per trace = %d\n", nz );
fprintf ( stderr, "Number of traces = %d, number of samples per trace = %d\n", ntr, ns );
fprintf ( stderr, "Time sample rate (milliseconds) = %f\n", dt_msec );
fprintf ( stderr, "Vwater = %f (meters/second)\n", vwater );
fprintf ( stderr, "Location scalar = %d\n", scalar );
fprintf ( stderr, "\n" );
}
rewind (stdin);
if ( ns > nz ) {
depth = ealloc1double ( ns );
} else {
depth = ealloc1double ( nz );
}
tr_amp = ealloc1double ( ns );
factor1 = 0.0005;
delrt_depth = 0.0;
/* Main loop over traces */
for ( k = 0; k < ntr; ++k ) {
gettr (&tr);
x_loc = tr.sx / scalar;
y_loc = tr.sy / scalar;
for ( n=ns; n < nz; ++n ) depth[n] = 0;
if ( x_loc >= grd_wb_twt.x_min && x_loc <= grd_wb_twt.x_max && y_loc >= grd_wb_twt.y_min && y_loc <= grd_wb_twt.y_max ) {
value_coeff_top_k = GMT_get_bcr_z (&grd_top_k, x_loc, y_loc, f_top_k, &edgeinfo_top_k, &bcr_top_k);
value_coeff_bottom_k = GMT_get_bcr_z (&grd_bottom_k, x_loc, y_loc, f_bottom_k, &edgeinfo_bottom_k, &bcr_bottom_k);
value_coeff_wb_twt = GMT_get_bcr_z (&grd_wb_twt, x_loc, y_loc, f_wb_twt, &edgeinfo_wb_twt, &bcr_wb_twt);
value_coeff_top_twt = GMT_get_bcr_z (&grd_top_twt, x_loc, y_loc, f_top_twt, &edgeinfo_top_twt, &bcr_top_twt);
value_coeff_middle_twt = GMT_get_bcr_z (&grd_middle_twt, x_loc, y_loc, f_middle_twt, &edgeinfo_middle_twt, &bcr_middle_twt);
value_coeff_bottom_twt = GMT_get_bcr_z (&grd_bottom_twt, x_loc, y_loc, f_bottom_twt, &edgeinfo_bottom_twt, &bcr_bottom_twt);
value_coeff_middle_vint = GMT_get_bcr_z (&grd_middle_vint, x_loc, y_loc, f_middle_vint, &edgeinfo_middle_vint, &bcr_middle_vint);
value_coeff_bottom_vint = GMT_get_bcr_z (&grd_bottom_vint, x_loc, y_loc, f_bottom_vint, &edgeinfo_bottom_vint, &bcr_bottom_vint);
value_coeff_campan_vint = GMT_get_bcr_z (&grd_campan_vint, x_loc, y_loc, f_campan_vint, &edgeinfo_campan_vint, &bcr_campan_vint);
value_coeff_top_z = GMT_get_bcr_z (&grd_top_z, x_loc, y_loc, f_top_z, &edgeinfo_top_z, &bcr_top_z);
value_coeff_bottom_z = GMT_get_bcr_z (&grd_bottom_z, x_loc, y_loc, f_bottom_z, &edgeinfo_bottom_z, &bcr_bottom_z);
if ( GMT_is_dnan (value_coeff_wb_twt) || GMT_is_dnan (value_coeff_top_k) || GMT_is_dnan (value_coeff_top_twt) ||\
GMT_is_dnan (value_coeff_bottom_twt) || GMT_is_dnan (value_coeff_campan_vint) || GMT_is_dnan (value_coeff_bottom_k) ||\
GMT_is_dnan (value_coeff_top_z) || GMT_is_dnan (value_coeff_bottom_z) ) {
for ( n=0; n < nz; ++n ) tr.data[n] = 0;
tr.delrt = 0;
tr.trid = 0;
} else {
water_depth = value_coeff_wb_twt * factor1 * vwater;
ratio = vwater / value_coeff_top_k;
if ( verbose == 2 ) {
fprintf ( stderr, "\n" );
fprintf ( stderr, "Trace num = %5d X-Loc = %10.2f Y-Loc = %10.2f\n", k+1, x_loc, y_loc );
fprintf ( stderr, "Top_K = %8.5f\n", value_coeff_top_k );
fprintf ( stderr, "Bottom_K = %8.5f\n", value_coeff_bottom_k );
fprintf ( stderr, "WB_TWT = %8.2f\n", value_coeff_wb_twt );
fprintf ( stderr, "TOP_TWT = %8.2f\n", value_coeff_top_twt );
fprintf ( stderr, "MIDDLE_TWT = %8.2f\n", value_coeff_middle_twt );
fprintf ( stderr, "BOTTOM_TWT = %8.2f\n", value_coeff_bottom_twt );
fprintf ( stderr, "MIDDLE_VINT = %8.2f\n", value_coeff_middle_vint );
fprintf ( stderr, "BOTTOM_VINT = %8.2f\n", value_coeff_bottom_vint );
fprintf ( stderr, "CAMPANIAN_VINT = %8.2f\n", value_coeff_campan_vint );
fprintf ( stderr, "TOP_Z = %8.2f\n", value_coeff_top_z );
fprintf ( stderr, "BOTTOM_Z = %8.2f\n", value_coeff_bottom_z );
}
delta_twt = value_coeff_bottom_twt - value_coeff_top_twt;
delta_k = value_coeff_bottom_k - value_coeff_top_k;
gradient = delta_k / delta_twt;
for ( n=0; n < ns; ++n ) {
tr_amp[n] = tr.data[n];
if ( tr.delrt == 0 ) {
tr_msec = n * dt_msec;
} else {
tr_msec = tr.delrt + ( n * dt_msec );
}
if ( tr_msec <= value_coeff_wb_twt ) {
depth[n] = tr_msec * factor1 * vwater;
if ( tr_msec <= tr.delrt ) delrt_depth = depth[n];
} else if ( tr_msec <= value_coeff_top_twt ) {
tr_msec_orig = tr_msec;
tr_msec = ( tr_msec - value_coeff_wb_twt ) * factor1;
depth[n] = ( ratio * (exp (value_coeff_top_k*tr_msec) - 1.0) ) + water_depth;
if ( tr_msec_orig <= tr.delrt ) delrt_depth = depth[n];
} else if ( tr_msec > value_coeff_top_twt && tr_msec <= value_coeff_bottom_twt ) {
K = value_coeff_top_k + ( ( tr_msec - value_coeff_top_twt ) * gradient );
tr_msec_orig = tr_msec;
tr_msec = ( tr_msec - value_coeff_wb_twt ) * factor1;
ratio = vwater / K;
depth[n] = ( ratio * (exp (K*tr_msec) - 1.0) ) + water_depth;
if ( tr_msec_orig <= tr.delrt ) delrt_depth = depth[n];
/* fprintf ( stderr, "Trace = %5d, Sample = %5d, Top_TWT = %8.2f, TWT = %8.2f, Bottom_TWT = %8.2f, Top_Z = %8.2f, Depth = %8.2f, Bottom_Z = %8.2f, Delta_twt = %8.2f, Delta_K = %10.6f, Gradient = %10.6f, K = %10.6f\n",\
k, n, value_coeff_top_twt, n * dt_msec, value_coeff_bottom_twt, value_coeff_top_z, depth[n], value_coeff_bottom_z, delta_twt, delta_k, gradient, K ); */
} else if ( tr_msec > value_coeff_bottom_twt ) {
tr_msec_orig = tr_msec;
tr_msec = ( tr_msec - value_coeff_wb_twt ) * factor1;
ratio = vwater / value_coeff_bottom_k;
depth[n] = ( ratio * (exp (value_coeff_bottom_k*tr_msec) - 1.0) ) + water_depth;
if ( tr_msec_orig <= tr.delrt ) delrt_depth = depth[n];
}
}
for ( n=0; n < nz; ++n ) {
depth_input = n * dz;
if ( depth_input < delrt_depth ) {
tr.data[n] = 0.0;
} else {
dintlin ( ns, depth, tr_amp, tr_amp[0], tr_amp[ns-1], 1, &depth_input, &_output );
tr.data[n] = (float) amp_output;
}
}
tr.trid = 1;
}
tr.ns = nz;
tr.delrt = 0;
tr.dt = nint(dz*1000);
puttr (&tr);
} else {
fprintf ( stderr, "Input trace = %d, Xloc = %.0f Yloc = %.0f is out of bounds\n", k, x_loc, y_loc);
}
}
GMT_free ((void *)f_top_k);
GMT_free ((void *)f_bottom_k);
GMT_free ((void *)f_wb_twt);
GMT_free ((void *)f_top_twt);
GMT_free ((void *)f_middle_twt);
GMT_free ((void *)f_bottom_twt);
GMT_free ((void *)f_middle_vint);
GMT_free ((void *)f_bottom_vint);
GMT_free ((void *)f_campan_vint);
free1double (depth);
free1double (tr_amp);
GMT_end (argc, argv);
return (0);
}
int main(int argc, char **argv)
{
/********************* variables declaration **************************/
int info, itype, lda, ldb, lwork, order; /* variables for lapack function */
char jobz, uplo; /* variables for lapack function */
int nfreq; /* number of frequencies displayed on the screen */
int d; /* dimension of the problem - determine the size r of the partial basis*/
int shape; /* shape of the body */
int r; /* actual size of the partial basis */
int i, j; /* indices */
int ir1;
int *itab, *ltab, *mtab, *ntab; /* tabulation of indices */
int *irk;
int k;
int ns; /* symmetry of the system */
int hextype; /* type of hexagonal symmetry - VTI or HTI*/
double d1, d2, d3; /* dimension of the sample */
double rho; /* density */
double **cm;
double ****c; /* stiffness tensor */
double **e, **gamma, *work, **w; /* matrices of the eigenvalue problem */
double *wsort;
int outeigen; /* 1 if eigenvectors calculated */
char *eigenfile;
/** FILE *file; */
/********************* end variables declaration **********************/
/* hook up getpar to handle the parameters */
initargs(argc,argv);
requestdoc(1);
/* get required parameters */
if (!getparint("d", &d)) err("must specify d!\n");
if (!getpardouble("d1", &d1)) err("must specify d1!\n");
if (!getpardouble("d2", &d2)) err("must specify d2!\n");
if (!getpardouble("d3", &d3)) err("must specify d3!\n");
if (!getpardouble("rho", &rho)) err("must specify rho!\n");
if (!getparint("ns", &ns)) err("must specify ns!\n");
cm=ealloc2double(6,6);
for (i=0; i<6; ++i)
for (j=0; j<6; ++j)
cm[i][j]=0.0;
if (ns==2) {
/* isotropic */
if (!getpardouble("c11", &cm[0][0])) err("must specify c11!\n");
if (!getpardouble("c44", &cm[3][3])) err("must specify c44!\n");
cm[0][0]=cm[0][0]/100;
cm[3][3]=cm[3][3]/100;
cm[1][1]=cm[2][2]=cm[0][0];
cm[4][4]=cm[5][5]=cm[3][3];
cm[0][1]=cm[0][2]=cm[1][2]=cm[0][0]- 2.0*cm[3][3];
cm[1][0]=cm[2][0]=cm[2][1]=cm[0][0]- 2.0*cm[3][3];
} else if (ns==3) {
/* cubic */
if (!getpardouble("c11", &cm[0][0])) err("must specify c11!\n");
if (!getpardouble("c12", &cm[0][1])) err("must specify c12!\n");
if (!getpardouble("c44", &cm[3][3])) err("must specify c44!\n");
cm[0][0]=cm[0][0]/100;
cm[0][1]=cm[0][1]/100;
cm[3][3]=cm[3][3]/100;
cm[1][1]=cm[2][2]=cm[0][0];
cm[4][4]=cm[5][5]=cm[3][3];
cm[0][2]=cm[1][2]=cm[0][1];
cm[2][0]=cm[2][1]=cm[1][0]=cm[0][1];
} else if (ns==5) {
/* hexagonal */
if (!getparint("hextype", &hextype)) err("must specify hextype!\n");
if (hextype==1) {
/* VTI */
if (!getpardouble("c33", &cm[2][2])) err("must specify c33!\n");
if (!getpardouble("c23", &cm[1][2])) err("must specify c23!\n");
if (!getpardouble("c12", &cm[0][1])) err("must specify c12!\n");
if (!getpardouble("c44", &cm[3][3])) err("must specify c44!\n");
if (!getpardouble("c66", &cm[5][5])) err("must specify c66!\n");
cm[2][2]=cm[2][2]/100;
cm[1][2]=cm[1][2]/100;
cm[0][1]=cm[0][1]/100;
cm[3][3]=cm[3][3]/100;
cm[5][5]=cm[5][5]/100;
cm[0][0]=cm[1][1]=2.0*cm[5][5] + cm[0][1];
cm[0][2]=cm[2][0]=cm[2][1]=cm[1][2];
cm[1][0]=cm[0][1];
cm[4][4]=cm[3][3];
} else if (hextype==2) {
/* HTI */
if (!getpardouble("c11", &cm[0][0])) err("must specify c11!\n");
if (!getpardouble("c33", &cm[2][2])) err("must specify c33!\n");
if (!getpardouble("c12", &cm[0][1])) err("must specify c12!\n");
if (!getpardouble("c44", &cm[3][3])) err("must specify c44!\n");
if (!getpardouble("c66", &cm[5][5])) err("must specify c66!\n");
cm[0][0]=cm[0][0]/100;
cm[2][2]=cm[2][2]/100;
cm[0][1]=cm[0][1]/100;
cm[3][3]=cm[3][3]/100;
cm[5][5]=cm[5][5]/100;
cm[1][2]=cm[2][1]=cm[2][2] - 2.0*cm[3][3];
cm[0][2]=cm[1][0]=cm[2][0]=cm[0][1];
cm[1][1]=cm[2][2];
cm[4][4]=cm[5][5];
}
else {
err("for hexagonal symmetry hextype must equal 1 (VTI) or 2 (HTI)!\n");
}
}
else if (ns==6){
/* tetragonal */
if (!getpardouble("c11", &cm[0][0])) err("must specify c11!\n");
if (!getpardouble("c33", &cm[2][2])) err("must specify c33!\n");
if (!getpardouble("c23", &cm[1][2])) err("must specify c23!\n");
if (!getpardouble("c12", &cm[0][1])) err("must specify c12!\n");
if (!getpardouble("c44", &cm[3][3])) err("must specify c44!\n");
if (!getpardouble("c66", &cm[5][5])) err("must specify c66!\n");
cm[0][0]=cm[0][0]/100;
cm[2][2]=cm[2][2]/100;
cm[1][2]=cm[1][2]/100;
cm[3][3]=cm[3][3]/100;
cm[0][1]=cm[0][1]/100;
cm[5][5]=cm[5][5]/100;
cm[1][1]=cm[0][0];
cm[0][2]=cm[2][0]=cm[1][2];
cm[1][0]=cm[0][1];
cm[2][1]=cm[1][2];
cm[4][4]=cm[3][3];
}
else if (ns==9){/* orthorhombic */
if (!getpardouble("c11", &cm[0][0])) err("must specify c11!\n");
if (!getpardouble("c22", &cm[1][1])) err("must specify c22!\n");
if (!getpardouble("c33", &cm[2][2])) err("must specify c33!\n");
if (!getpardouble("c23", &cm[1][2])) err("must specify c23!\n");
if (!getpardouble("c13", &cm[0][2])) err("must specify c13!\n");
if (!getpardouble("c12", &cm[0][1])) err("must specify c12!\n");
if (!getpardouble("c44", &cm[3][3])) err("must specify c44!\n");
if (!getpardouble("c55", &cm[4][4])) err("must specify c55!\n");
if (!getpardouble("c66", &cm[5][5])) err("must specify c66!\n");
cm[0][0]=cm[0][0]/100;
cm[1][1]=cm[1][1]/100;
cm[2][2]=cm[2][2]/100;
cm[1][2]=cm[1][2]/100;
cm[0][2]=cm[0][2]/100;
cm[0][1]=cm[0][1]/100;
cm[3][3]=cm[3][3]/100;
cm[4][4]=cm[4][4]/100;
cm[5][5]=cm[5][5]/100;
cm[2][0]=cm[0][2];
cm[1][0]=cm[0][1];
cm[2][1]=cm[1][2];
}
else err("given elatic moduli does not fit given ns");
/* get optional parameters */
if (!getparint("outeigen", &outeigen)) outeigen=0;
if (outeigen!=0)
if (!getparstring("eigenfile", &eigenfile))
err("must specify eigenfile since outeigen>0!\n");
if (!getparint("shape", &shape)) shape=1; /* changed from zero default to 1 */
if (!getparint("nfreq", &nfreq)) nfreq=10;
/* dimension of the problem */
r= 3*(d+1)*(d+2)*(d+3)/6;
d1=d1/2.0; /* half sample dimensions are used in calculations */
d2=d2/2.0;
d3=d3/2.0;
/* alloc work space*/
itab=ealloc1int(r);
ltab=ealloc1int(r);
mtab=ealloc1int(r);
ntab=ealloc1int(r);
/* relationship between ir and l,m,n - filling tables */
irk=ealloc1int(8);
index_relationship(itab, ltab, mtab, ntab, d, irk);
/* alloc workspace to solve for eigenvalues and eigenfunctions */
e= (double **) malloc(8*sizeof(double *));
for (k=0; k<8; ++k)
e[k] = ealloc1double(irk[k]*irk[k]);
gamma= (double **) malloc(8*sizeof(double *));
for (k=0; k<8; ++k)
gamma[k] = ealloc1double(irk[k]*irk[k]);
/* filling matrix e */
for (k=0; k<8; ++k)
e_fill(e[k], itab, ltab, mtab, ntab,
r, d1, d2, d3, rho, shape, k, irk);
/* stiffness tensor calculation*/
c= (double ****) malloc(sizeof(double ***)*3);
for (i=0; i<3; ++i)
c[i]=ealloc3double(3,3,3);
stiffness (c, cm);
/* filling matrix gamma */
for (k=0; k<8; ++k)
gamma_fill(gamma[k], itab, ltab, mtab,
ntab, r, d1, d2, d3, c, shape, k, irk);
/* clean workspace */
free1int(itab);
free1int(ltab);
free1int(mtab);
free1int(ntab);
for (i=0; i<3; ++i)
free3double(c[i]);
free(c);
fprintf(stderr,"done preparing matrices\n");
/*-------------------------------------------------------------*/
/*--------- solve the generalized eigenvalue problem ----------*/
/*-------------------------------------------------------------*/
w= (double **) malloc(sizeof(double *)*8);
itype=1;
if (outeigen==0) jobz='N';
else jobz='V';
uplo='U';
for (k=0; k<8; ++k){
w[k] =ealloc1double(irk[k]);
lda=ldb=irk[k];
order=irk[k];
lwork=MAX(1, 3*order-1);
work=ealloc1double(lwork);
/* lapack routine */
dsygv_(&itype, &jobz, &uplo, &order, gamma[k],
&lda, e[k], &ldb, w[k], work, &lwork, &info);
free1double(work);
}
/*-------------------------------------------------------------*/
/*-------------------------------------------------------------*/
/*-------------------------------------------------------------*/
wsort=ealloc1double(r);
for (i=0, k=0; k<8; ++k)
for (ir1=0;ir1<irk[k];++ir1,++i)
wsort[i]=w[k][ir1];
/* sorting the eigenfrequencies */
dqksort(r,wsort);
for (i=0, ir1=0; ir1<nfreq;++i)
if ((wsort[i]>0) && ((sqrt(wsort[i])/(2.0*PI))>0.00001)){
++ir1;
/*fprintf(stderr," f%d = %f\n", ir1, 1000000*sqrt(wsort[i])/(2.0*PI));*/
fprintf(stderr," f%d = %f\n", ir1, 1000000*sqrt(wsort[i])/(2.0*PI));
}
/* modify output of freq values here*/
/* for (k=0;k<8;++k){
for (ir2=0;ir2<irk[k]*irk[k];++ir2){
fprintf(stderr,"gamma[%d][%d]=%f\n",k,ir2,gamma[k][ir2]);
fprintf(stderr,"e[%d][%d]=%f\n",k,ir2,e[k][ir2]);
}
}*/
/******************* write eigenvectors in files ***************/
/*if (outeigen==1){
z=ealloc2double(r,r);
for (ir1=0; ir1<r; ++ir1)
for (ir2=0; ir2<r; ++ir2)
z[ir2][ir1]=gamma[ir1][ir2*r+ir1]; */
/* change the order of the array at the same time */
/* since we go from fortran array */
/* to C array */
/* clean workspace */
/* free1double(gamma);
file = efopen(eigenfile, "w");
efwrite(&irf, sizeof(int), 1, file);
efwrite(w, sizeof(double), r, file);
efwrite(z[0], sizeof(double), r*r, file);
efclose(file);*/
/* clean workspace */
/* free2double(z); */
/* }*/
/* clean workspace */
/* free1double(w); */
/* end of main */
return EXIT_SUCCESS;
}
void
deriv_n_gauss(double dt, int nt, double t0, float fpeak, int n, double *w,
int sign, int verbose)
/****************************************************************************
deriv_n_gauss: Compute n-th order derivative of a Gaussian
in double precision.
*****************************************************************************
Input:
dt sampling interval
nt length of waveform in samples
t0 time shift for (pseudo-) causality
fpeak maximum frequency
n order of derivative
sign multiplier for polarity of waveform
verbose flag for diagnostic messages
*****************************************************************************
Output:
w array of size nt containing the waveform
*****************************************************************************
Return: none
*****************************************************************************
Notes:
Copyright (c) 2007 by the Society of Exploration Geophysicists.
For more information, go to http://software.seg.org/2007/0004 .
You must read and accept usage terms at:
http://software.seg.org/disclaimer.txt before use.
*****************************************************************************
Author: Werner M. Heigl, Apache Corporation, E&P Technology, November 2006
*****************************************************************************/
{
int i; /* loop variable */
double sigma; /* temporal variance of Gaussian */
double C; /* normalization constant */
double *h = NULL; /* Hermite polynomial */
double *h0 = NULL; /* temp array for H_{n-1} */
double *h1 = NULL; /* temp array for H_{n} */
double *t = NULL; /* time vector */
/* allocate & initialize memory */
t = alloc1double(nt);
h = alloc1double(nt);
h0 = alloc1double(nt);
h1 = alloc1double(nt);
memset((void *) t , 0, DSIZE * nt);
memset((void *) h , 0, DSIZE * nt);
memset((void *) h0, 0, DSIZE * nt);
memset((void *) h1, 0, DSIZE * nt);
if (verbose)
fprintf(stderr,"memory allocated and initialized/n");
/* initialize time vector */
for (i = 0; i < nt; ++i) t[i] = i * dt - t0;
if (verbose) fprintf(stderr,"t[] initialized/n");
/* compute Gaussian */
sigma = n / ( 4 * PI * PI * fpeak * fpeak );
if (verbose) fprintf(stderr,"sigma=%f",sigma);
for (i = 0; i < nt; ++i)
w[i] = exp( - t[i] * t[i] / (2 * sigma) );
if (verbose) fprintf(stderr,"Gaussian computed/n");
/* compute Hermite polynomial */
for (i = 0; i < nt; ++i) {
h0[i] = 1.0;
h1[i] = t[i] / sigma;
}
if (n==1) memcpy((void *) h, (const void *) h1, DSIZE * nt);
if (n>1) hermite_n_polynomial(h, h0, h1, t, nt, n, sigma);
if (verbose) fprintf(stderr,"Hermite polynomial H_%d computed/n",n);
/* compute waveform */
for (i = 0; i < nt;++i) w[i] = h[i] * w[i];
if (verbose) fprintf(stderr,"waveform computed/n");
/* find normalization constant */
C = fabs(w[0]);
for (i = 1; i < nt; ++i)
if (fabs(w[i]) > C) C = fabs(w[i]);
if (ISODD(n)) C = -C; /* to account for (-1)^n */
if (verbose) fprintf(stderr,"C=%f/n",C);
/* and finally normalize */
for (i = 0; i < nt; ++i) w[i] = sign * w[i] / C;
if (verbose) fprintf(stderr,"waveform normalized/n");
/* check amplitude a t=0 */
if (verbose) fprintf(stderr,"w[o]=%.12f",w[0]);
/* free memory */
free1double(h); free1double(h0); free1double(h1);
free1double(t);
if (verbose) fprintf(stderr,"memory freed/n");
}
