Ggrd_handling.c
/*
*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*
*<LicenseText>
*
* CitcomS by Louis Moresi, Shijie Zhong, Lijie Han, Eh Tan,
* Clint Conrad, Michael Gurnis, and Eun-seo Choi.
* Copyright (C) 1994-2005, California Institute of Technology.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*</LicenseText>
*
*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/
/*
routines that deal with GMT/netcdf grd I/O as supported through
the ggrd subroutines of the hc package
*/
#include <math.h>
#include "global_defs.h"
#include "parsing.h"
#include "parallel_related.h"
#include "composition_related.h"
#ifdef USE_GGRD
#include "hc.h" /* ggrd and hc packages */
void ggrd_init_tracer_flavors(struct All_variables *);
int layers_r(struct All_variables *,float );
void myerror(struct All_variables *,char *);
/*
assign tracer flavor based on its depth (within top n layers),
and the grd value
*/
void ggrd_init_tracer_flavors(struct All_variables *E)
{
int j, kk, number_of_tracers;
double rad,theta,phi,indbl;
char char_dummy[1],error[255],gmt_bc[10];
struct ggrd_gt ggrd_ict[1];
/* for dealing with several processors */
MPI_Status mpi_stat;
int mpi_rc;
int mpi_inmsg, mpi_success_message = 1;
report(E,"ggrd_init_tracer_flavors: ggrd mat init");
/*
are we global?
*/
if (E->parallel.nprocxy == 12){
/* use GMT's geographic boundary conditions */
sprintf(gmt_bc,"-Lg");
}else{ /* regional */
sprintf(gmt_bc,"");
}
/*
initialize the ggrd control
*/
if(E->parallel.me > 0){
/* wait for previous processor */
mpi_rc = MPI_Recv(&mpi_inmsg, 1, MPI_INT, (E->parallel.me-1),
0, MPI_COMM_WORLD, &mpi_stat);
}
if(ggrd_grdtrack_init_general(FALSE,E->trace.ggrd_file,
char_dummy,gmt_bc,
ggrd_ict,FALSE,FALSE)){
myerror(E,"ggrd tracer init error");
}
if(E->parallel.me < E->parallel.nproc-1){
/* tell the next proc to go ahead */
mpi_rc = MPI_Send(&mpi_success_message, 1,
MPI_INT, (E->parallel.me+1), 0, MPI_COMM_WORLD);
}else{
report(E,"ggrd_init_tracer_flavors: last processor done with ggrd mat init");
}
/* init done */
/* assign values to each tracer based on grd file */
for (j=1;j<=E->sphere.caps_per_proc;j++) {
number_of_tracers = E->trace.ntracers[j];
for (kk=1;kk <= number_of_tracers;kk++) {
rad = E->trace.basicq[j][2][kk]; /* tracer radius */
if(layers_r(E,rad) <= E->trace.ggrd_layers){
/*
in top layers
*/
phi = E->trace.basicq[j][1][kk];
theta = E->trace.basicq[j][0][kk];
/* interpolate from grid */
if(!ggrd_grdtrack_interpolate_tp((double)theta,(double)phi,
ggrd_ict,&indbl,FALSE)){
snprintf(error,255,"read_mat_from_ggrd_file: interpolation error at theta: %g phi: %g",
theta,phi);
myerror(E,error);
}
/* limit to 0 or 1 */
if(indbl < .5)
indbl = 0.0;
else
indbl = 1.0;
E->trace.extraq[j][0][kk]= indbl;
}else{
/* below */
E->trace.extraq[j][0][kk]=0.0;
}
}
}
/* free grd structure */
ggrd_grdtrack_free_gstruc(ggrd_ict);
report(E,"ggrd tracer init done");
}
#endif