453 lines
13 KiB
C++
453 lines
13 KiB
C++
/* ----------------------------------------------------------------------
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LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
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http://lammps.sandia.gov, Sandia National Laboratories
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Steve Plimpton, sjplimp@sandia.gov
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Copyright (2003) Sandia Corporation. Under the terms of Contract
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DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains
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certain rights in this software. This software is distributed under
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the GNU General Public License.
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See the README file in the top-level LAMMPS directory.
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------------------------------------------------------------------------- */
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#include "string.h"
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#include "dump_atom.h"
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#include "domain.h"
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#include "atom.h"
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#include "update.h"
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#include "group.h"
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#include "error.h"
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using namespace LAMMPS_NS;
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/* ---------------------------------------------------------------------- */
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DumpAtom::DumpAtom(LAMMPS *lmp, int narg, char **arg) : Dump(lmp, narg, arg)
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{
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if (narg != 5) error->all("Illegal dump atom command");
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scale_flag = 1;
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image_flag = 0;
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format_default = NULL;
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}
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/* ---------------------------------------------------------------------- */
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void DumpAtom::init_style()
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{
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if (image_flag == 0) size_one = 5;
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else size_one = 8;
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// default format depends on image flags
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delete [] format;
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if (format_user) {
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int n = strlen(format_user) + 2;
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format = new char[n];
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strcpy(format,format_user);
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strcat(format,"\n");
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} else {
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char *str;
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if (image_flag == 0) str = (char *) "%d %d %g %g %g";
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else str = (char *) "%d %d %g %g %g %d %d %d";
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int n = strlen(str) + 2;
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format = new char[n];
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strcpy(format,str);
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strcat(format,"\n");
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}
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// setup boundary string
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int m = 0;
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for (int idim = 0; idim < 3; idim++) {
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for (int iside = 0; iside < 2; iside++) {
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if (domain->boundary[idim][iside] == 0) boundstr[m++] = 'p';
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else if (domain->boundary[idim][iside] == 1) boundstr[m++] = 'f';
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else if (domain->boundary[idim][iside] == 2) boundstr[m++] = 's';
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else if (domain->boundary[idim][iside] == 3) boundstr[m++] = 'm';
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}
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boundstr[m++] = ' ';
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}
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boundstr[8] = '\0';
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// setup column string
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if (scale_flag == 0 && image_flag == 0)
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columns = "id type x y z";
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else if (scale_flag == 0 && image_flag == 1)
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columns = "id type x y z ix iy iz";
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else if (scale_flag == 1 && image_flag == 0)
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columns = "id type xs ys zs";
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else if (scale_flag == 1 && image_flag == 1)
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columns = "id type xs ys zs ix iy iz";
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// setup function ptrs
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if (binary && domain->triclinic == 0)
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header_choice = &DumpAtom::header_binary;
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else if (binary && domain->triclinic == 1)
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header_choice = &DumpAtom::header_binary_triclinic;
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else if (!binary && domain->triclinic == 0)
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header_choice = &DumpAtom::header_item;
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else if (!binary && domain->triclinic == 1)
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header_choice = &DumpAtom::header_item_triclinic;
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if (scale_flag == 1 && image_flag == 0 && domain->triclinic == 0)
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pack_choice = &DumpAtom::pack_scale_noimage;
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else if (scale_flag == 1 && image_flag == 1 && domain->triclinic == 0)
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pack_choice = &DumpAtom::pack_scale_image;
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else if (scale_flag == 1 && image_flag == 0 && domain->triclinic == 1)
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pack_choice = &DumpAtom::pack_scale_noimage_triclinic;
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else if (scale_flag == 1 && image_flag == 1 && domain->triclinic == 1)
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pack_choice = &DumpAtom::pack_scale_image_triclinic;
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else if (scale_flag == 0 && image_flag == 0)
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pack_choice = &DumpAtom::pack_noscale_noimage;
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else if (scale_flag == 0 && image_flag == 1)
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pack_choice = &DumpAtom::pack_noscale_image;
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if (binary) write_choice = &DumpAtom::write_binary;
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else if (image_flag == 0) write_choice = &DumpAtom::write_noimage;
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else if (image_flag == 1) write_choice = &DumpAtom::write_image;
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// open single file, one time only
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if (multifile == 0) openfile();
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}
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/* ---------------------------------------------------------------------- */
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int DumpAtom::modify_param(int narg, char **arg)
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{
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if (strcmp(arg[0],"scale") == 0) {
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if (narg < 2) error->all("Illegal dump_modify command");
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if (strcmp(arg[1],"yes") == 0) scale_flag = 1;
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else if (strcmp(arg[1],"no") == 0) scale_flag = 0;
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else error->all("Illegal dump_modify command");
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return 2;
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} else if (strcmp(arg[0],"image") == 0) {
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if (narg < 2) error->all("Illegal dump_modify command");
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if (strcmp(arg[1],"yes") == 0) image_flag = 1;
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else if (strcmp(arg[1],"no") == 0) image_flag = 0;
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else error->all("Illegal dump_modify command");
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return 2;
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}
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return 0;
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}
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/* ---------------------------------------------------------------------- */
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void DumpAtom::write_header(bigint ndump)
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{
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if (multiproc) (this->*header_choice)(ndump);
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else if (me == 0) (this->*header_choice)(ndump);
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}
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/* ---------------------------------------------------------------------- */
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int DumpAtom::count()
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{
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if (igroup == 0) return atom->nlocal;
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int *mask = atom->mask;
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int nlocal = atom->nlocal;
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int m = 0;
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for (int i = 0; i < nlocal; i++)
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if (mask[i] & groupbit) m++;
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return m;
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}
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/* ---------------------------------------------------------------------- */
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void DumpAtom::pack(int *ids)
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{
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(this->*pack_choice)(ids);
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}
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/* ---------------------------------------------------------------------- */
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void DumpAtom::write_data(int n, double *mybuf)
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{
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(this->*write_choice)(n,mybuf);
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}
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/* ---------------------------------------------------------------------- */
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void DumpAtom::header_binary(bigint ndump)
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{
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fwrite(&update->ntimestep,sizeof(bigint),1,fp);
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fwrite(&ndump,sizeof(bigint),1,fp);
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fwrite(&domain->triclinic,sizeof(int),1,fp);
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fwrite(&boxxlo,sizeof(double),1,fp);
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fwrite(&boxxhi,sizeof(double),1,fp);
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fwrite(&boxylo,sizeof(double),1,fp);
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fwrite(&boxyhi,sizeof(double),1,fp);
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fwrite(&boxzlo,sizeof(double),1,fp);
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fwrite(&boxzhi,sizeof(double),1,fp);
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fwrite(&size_one,sizeof(int),1,fp);
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if (multiproc) {
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int one = 1;
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fwrite(&one,sizeof(int),1,fp);
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} else fwrite(&nprocs,sizeof(int),1,fp);
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}
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/* ---------------------------------------------------------------------- */
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void DumpAtom::header_binary_triclinic(bigint ndump)
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{
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fwrite(&update->ntimestep,sizeof(bigint),1,fp);
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fwrite(&ndump,sizeof(bigint),1,fp);
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fwrite(&domain->triclinic,sizeof(int),1,fp);
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fwrite(&boxxlo,sizeof(double),1,fp);
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fwrite(&boxxhi,sizeof(double),1,fp);
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fwrite(&boxylo,sizeof(double),1,fp);
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fwrite(&boxyhi,sizeof(double),1,fp);
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fwrite(&boxzlo,sizeof(double),1,fp);
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fwrite(&boxzhi,sizeof(double),1,fp);
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fwrite(&boxxy,sizeof(double),1,fp);
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fwrite(&boxxz,sizeof(double),1,fp);
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fwrite(&boxyz,sizeof(double),1,fp);
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fwrite(&size_one,sizeof(int),1,fp);
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if (multiproc) {
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int one = 1;
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fwrite(&one,sizeof(int),1,fp);
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} else fwrite(&nprocs,sizeof(int),1,fp);
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}
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/* ---------------------------------------------------------------------- */
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void DumpAtom::header_item(bigint ndump)
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{
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fprintf(fp,"ITEM: TIMESTEP\n");
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fprintf(fp,BIGINT_FORMAT "\n",update->ntimestep);
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fprintf(fp,"ITEM: NUMBER OF ATOMS\n");
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fprintf(fp,BIGINT_FORMAT "\n",ndump);
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fprintf(fp,"ITEM: BOX BOUNDS %s\n",boundstr);
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fprintf(fp,"%g %g\n",boxxlo,boxxhi);
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fprintf(fp,"%g %g\n",boxylo,boxyhi);
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fprintf(fp,"%g %g\n",boxzlo,boxzhi);
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fprintf(fp,"ITEM: ATOMS %s\n",columns);
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}
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/* ---------------------------------------------------------------------- */
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void DumpAtom::header_item_triclinic(bigint ndump)
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{
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fprintf(fp,"ITEM: TIMESTEP\n");
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fprintf(fp,BIGINT_FORMAT "\n",update->ntimestep);
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fprintf(fp,"ITEM: NUMBER OF ATOMS\n");
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fprintf(fp,BIGINT_FORMAT "\n",ndump);
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fprintf(fp,"ITEM: BOX BOUNDS %s xy xz yz\n",boundstr);
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fprintf(fp,"%g %g %g\n",boxxlo,boxxhi,boxxy);
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fprintf(fp,"%g %g %g\n",boxylo,boxyhi,boxxz);
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fprintf(fp,"%g %g %g\n",boxzlo,boxzhi,boxyz);
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fprintf(fp,"ITEM: ATOMS %s\n",columns);
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}
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/* ---------------------------------------------------------------------- */
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void DumpAtom::pack_scale_image(int *ids)
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{
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int m,n;
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int *tag = atom->tag;
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int *type = atom->type;
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int *image = atom->image;
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int *mask = atom->mask;
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double **x = atom->x;
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int nlocal = atom->nlocal;
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double invxprd = 1.0/domain->xprd;
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double invyprd = 1.0/domain->yprd;
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double invzprd = 1.0/domain->zprd;
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m = n = 00;
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for (int i = 0; i < nlocal; i++)
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if (mask[i] & groupbit) {
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buf[m++] = tag[i];
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buf[m++] = type[i];
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buf[m++] = (x[i][0] - boxxlo) * invxprd;
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buf[m++] = (x[i][1] - boxylo) * invyprd;
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buf[m++] = (x[i][2] - boxzlo) * invzprd;
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buf[m++] = (image[i] & 1023) - 512;
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buf[m++] = (image[i] >> 10 & 1023) - 512;
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buf[m++] = (image[i] >> 20) - 512;
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if (ids) ids[n++] = tag[i];
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}
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}
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/* ---------------------------------------------------------------------- */
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void DumpAtom::pack_scale_noimage(int *ids)
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{
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int m,n;
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int *tag = atom->tag;
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int *type = atom->type;
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int *mask = atom->mask;
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double **x = atom->x;
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int nlocal = atom->nlocal;
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double invxprd = 1.0/domain->xprd;
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double invyprd = 1.0/domain->yprd;
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double invzprd = 1.0/domain->zprd;
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m = n = 0;
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for (int i = 0; i < nlocal; i++)
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if (mask[i] & groupbit) {
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buf[m++] = tag[i];
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buf[m++] = type[i];
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buf[m++] = (x[i][0] - boxxlo) * invxprd;
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buf[m++] = (x[i][1] - boxylo) * invyprd;
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buf[m++] = (x[i][2] - boxzlo) * invzprd;
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if (ids) ids[n++] = tag[i];
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}
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}
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/* ---------------------------------------------------------------------- */
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void DumpAtom::pack_scale_image_triclinic(int *ids)
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{
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int m,n;
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int *tag = atom->tag;
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int *type = atom->type;
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int *image = atom->image;
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int *mask = atom->mask;
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double **x = atom->x;
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int nlocal = atom->nlocal;
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double lamda[3];
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m = n = 0;
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for (int i = 0; i < nlocal; i++)
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if (mask[i] & groupbit) {
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buf[m++] = tag[i];
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buf[m++] = type[i];
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domain->x2lamda(x[i],lamda);
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buf[m++] = lamda[0];
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buf[m++] = lamda[1];
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buf[m++] = lamda[2];
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buf[m++] = (image[i] & 1023) - 512;
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buf[m++] = (image[i] >> 10 & 1023) - 512;
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buf[m++] = (image[i] >> 20) - 512;
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if (ids) ids[n++] = tag[i];
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}
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}
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/* ---------------------------------------------------------------------- */
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void DumpAtom::pack_scale_noimage_triclinic(int *ids)
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{
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int m,n;
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int *tag = atom->tag;
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int *type = atom->type;
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int *mask = atom->mask;
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double **x = atom->x;
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int nlocal = atom->nlocal;
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double lamda[3];
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m = n = 0;
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for (int i = 0; i < nlocal; i++)
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if (mask[i] & groupbit) {
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buf[m++] = tag[i];
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buf[m++] = type[i];
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domain->x2lamda(x[i],lamda);
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buf[m++] = lamda[0];
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buf[m++] = lamda[1];
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buf[m++] = lamda[2];
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if (ids) ids[n++] = tag[i];
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}
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}
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/* ---------------------------------------------------------------------- */
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void DumpAtom::pack_noscale_image(int *ids)
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{
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int m,n;
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int *tag = atom->tag;
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int *type = atom->type;
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int *image = atom->image;
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int *mask = atom->mask;
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double **x = atom->x;
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int nlocal = atom->nlocal;
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m = n = 0;
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for (int i = 0; i < nlocal; i++)
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if (mask[i] & groupbit) {
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buf[m++] = tag[i];
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buf[m++] = type[i];
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buf[m++] = x[i][0];
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buf[m++] = x[i][1];
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buf[m++] = x[i][2];
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buf[m++] = (image[i] & 1023) - 512;
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buf[m++] = (image[i] >> 10 & 1023) - 512;
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buf[m++] = (image[i] >> 20) - 512;
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if (ids) ids[n++] = tag[i];
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}
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}
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/* ---------------------------------------------------------------------- */
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void DumpAtom::pack_noscale_noimage(int *ids)
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{
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int m,n;
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int *tag = atom->tag;
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int *type = atom->type;
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int *mask = atom->mask;
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double **x = atom->x;
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int nlocal = atom->nlocal;
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m = n = 0;
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for (int i = 0; i < nlocal; i++)
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if (mask[i] & groupbit) {
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buf[m++] = tag[i];
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buf[m++] = type[i];
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buf[m++] = x[i][0];
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buf[m++] = x[i][1];
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buf[m++] = x[i][2];
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if (ids) ids[n++] = tag[i];
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}
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}
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/* ---------------------------------------------------------------------- */
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void DumpAtom::write_binary(int n, double *mybuf)
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{
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n *= size_one;
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fwrite(&n,sizeof(int),1,fp);
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fwrite(mybuf,sizeof(double),n,fp);
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}
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/* ---------------------------------------------------------------------- */
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void DumpAtom::write_image(int n, double *mybuf)
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{
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int m = 0;
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for (int i = 0; i < n; i++) {
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fprintf(fp,format,
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static_cast<int> (mybuf[m]), static_cast<int> (mybuf[m+1]),
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mybuf[m+2],mybuf[m+3],mybuf[m+4], static_cast<int> (mybuf[m+5]),
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static_cast<int> (mybuf[m+6]), static_cast<int> (mybuf[m+7]));
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m += size_one;
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}
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}
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/* ---------------------------------------------------------------------- */
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void DumpAtom::write_noimage(int n, double *mybuf)
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{
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int m = 0;
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for (int i = 0; i < n; i++) {
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fprintf(fp,format,
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static_cast<int> (mybuf[m]), static_cast<int> (mybuf[m+1]),
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mybuf[m+2],mybuf[m+3],mybuf[m+4]);
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m += size_one;
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}
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}
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