static void dump_dih_trn(int nframes,int nangles,real **dih,char *fn,real dt)
{
int i,j,k,l,m,na,trn;
rvec *x;
matrix box = {{2,0,0},{0,2,0},{0,0,2}};
na = (nangles*2);
if ((na % 3) != 0)
na = 1+na/3;
else
na = na/3;
printf("There are %d dihedrals. Will fill %d atom positions with cos/sin\n",
nangles,na);
snew(x,na);
trn = open_trn(fn,"w");
for(i=0; (i<nframes); i++) {
k = l = 0;
for(j=0; (j<nangles); j++) {
for(m=0; (m<2); m++) {
x[k][l] = (m == 0) ? cos(dih[j][i]) : sin(dih[j][i]);
l++;
if (l == DIM) {
l = 0;
k++;
}
}
}
fwrite_trn(trn,i,(real)i*dt,0,box,na,x,NULL,NULL);
}
close_trn(trn);
sfree(x);
}
void done_mdoutf(gmx_mdoutf_t of)
{
if (of->fp_ene != NULL)
{
close_enx(of->fp_ene);
}
if (of->fp_xtc)
{
close_xtc(of->fp_xtc);
}
if (of->fp_trn)
{
close_trn(of->fp_trn);
}
if (of->fp_dhdl != NULL)
{
gmx_fio_fclose(of->fp_dhdl);
}
if (of->fp_field != NULL)
{
gmx_fio_fclose(of->fp_field);
}
gmx_tng_close(&of->tng);
gmx_tng_close(&of->tng_low_prec);
sfree(of);
}
void write_trn(const char *fn, int step, real t, real lambda,
rvec *box, int natoms, rvec *x, rvec *v, rvec *f)
{
t_fileio *fio;
fio = open_trn(fn, "w");
do_trn(fio, FALSE, &step, &t, &lambda, box, &natoms, x, v, f);
close_trn(fio);
}
void read_trn(const char *fn, int *step, real *t, real *lambda,
rvec *box, int *natoms, rvec *x, rvec *v, rvec *f)
{
t_fileio *fio;
fio = open_trn(fn, "r");
(void) do_trn(fio, TRUE, step, t, lambda, box, natoms, x, v, f);
close_trn(fio);
}
void read_trn(char *fn,int *step,real *t,real *lambda,
rvec *box,int *natoms,rvec *x,rvec *v,rvec *f)
{
int fp;
fp = open_trn(fn,"r");
(void) do_trn(fp,TRUE,step,t,lambda,box,natoms,x,v,f);
close_trn(fp);
}
void write_trn(char *fn,int step,real t,real lambda,
rvec *box,int natoms,rvec *x,rvec *v,rvec *f)
{
int fp;
fp = open_trn(fn,"w");
do_trn(fp,FALSE,&step,&t,&lambda,box,&natoms,x,v,f);
close_trn(fp);
}
void read_trnheader(char *fn,t_trnheader *trn)
{
int fp;
bool bOK;
fp = open_trn(fn,"r");
if (!do_trnheader(fp,TRUE,trn,&bOK))
gmx_fatal(FARGS,"Empty file %s",fn);
close_trn(fp);
}
void read_trnheader(const char *fn,t_trnheader *trn)
{
t_fileio *fio;
gmx_bool bOK;
fio = open_trn(fn,"r");
if (!do_trnheader(fio,TRUE,trn,&bOK))
gmx_fatal(FARGS,"Empty file %s",fn);
close_trn(fio);
}
void
write_eigenvectors(char *trnname,int natoms,real mat[],
bool bReverse,int begin,int end,
int WriteXref,rvec *xref,bool bDMR,
rvec xav[], bool bDMA,real eigval[])
{
int trnout;
int ndim,i,j,d,vec;
matrix zerobox;
rvec *x;
ndim = natoms*DIM;
clear_mat(zerobox);
snew(x,natoms);
fprintf (stderr,
"\nWriting %saverage structure & eigenvectors %d--%d to %s\n",
(WriteXref==eWXR_YES) ? "reference, " : "",
begin,end,trnname);
trnout = open_tpx(trnname,"w");
if (WriteXref == eWXR_YES)
{
/* misuse lambda: 0/1 mass weighted fit no/yes */
fwrite_trn(trnout,-1,-1,bDMR ? 1.0 : 0.0,zerobox,natoms,xref,NULL,NULL);
}
else if (WriteXref == eWXR_NOFIT)
{
/* misuse lambda: -1 no fit */
fwrite_trn(trnout,-1,-1,-1.0,zerobox,natoms,x,NULL,NULL);
}
/* misuse lambda: 0/1 mass weighted analysis no/yes */
fwrite_trn(trnout,0,0,bDMA ? 1.0 : 0.0,zerobox,natoms,xav,NULL,NULL);
for(i=0; i<=(end-begin); i++)
{
if (!bReverse)
vec = i;
else
vec = ndim-i-1;
for (j=0; j<natoms; j++)
for(d=0; d<DIM; d++)
x[j][d]=mat[vec*ndim+DIM*j+d];
/* Store the eigenvalue in the time field */
fwrite_trn(trnout,begin+i,eigval[vec],0,zerobox,natoms,x,NULL,NULL);
}
close_trn(trnout);
sfree(x);
}
static void list_trn(char *fn)
{
int fpread,fpwrite,nframe,indent;
char buf[256];
rvec *x,*v,*f;
matrix box;
t_trnheader trn;
bool bOK;
fpread = open_trn(fn,"r");
fpwrite = open_tpx(NULL,"w");
gmx_fio_setdebug(fpwrite,TRUE);
nframe = 0;
while (fread_trnheader(fpread,&trn,&bOK)) {
snew(x,trn.natoms);
snew(v,trn.natoms);
snew(f,trn.natoms);
if (fread_htrn(fpread,&trn,
trn.box_size ? box : NULL,
trn.x_size ? x : NULL,
trn.v_size ? v : NULL,
trn.f_size ? f : NULL)) {
sprintf(buf,"%s frame %d",fn,nframe);
indent=0;
indent=pr_title(stdout,indent,buf);
pr_indent(stdout,indent);
fprintf(stdout,"natoms=%10d step=%10d time=%12.7e lambda=%10g\n",
trn.natoms,trn.step,trn.t,trn.lambda);
if (trn.box_size)
pr_rvecs(stdout,indent,"box",box,DIM);
if (trn.x_size)
pr_rvecs(stdout,indent,"x",x,trn.natoms);
if (trn.v_size)
pr_rvecs(stdout,indent,"v",v,trn.natoms);
if (trn.f_size)
pr_rvecs(stdout,indent,"f",f,trn.natoms);
}
else
fprintf(stderr,"\nWARNING: Incomplete frame: nr %d, t=%g\n",
nframe,trn.t);
sfree(x);
sfree(v);
sfree(f);
nframe++;
}
if (!bOK)
fprintf(stderr,"\nWARNING: Incomplete frame header: nr %d, t=%g\n",
nframe,trn.t);
close_tpx(fpwrite);
close_trn(fpread);
}
int cmain (int argc, char *argv[])
{
const char *desc[] = {
"tpbconv can edit run input files in four ways.[PAR]",
"[BB]1.[bb] by modifying the number of steps in a run input file",
"with options [TT]-extend[tt], [TT]-until[tt] or [TT]-nsteps[tt]",
"(nsteps=-1 means unlimited number of steps)[PAR]",
"[BB]2.[bb] (OBSOLETE) by creating a run input file",
"for a continuation run when your simulation has crashed due to e.g.",
"a full disk, or by making a continuation run input file.",
"This option is obsolete, since mdrun now writes and reads",
"checkpoint files.",
"[BB]Note[bb] that a frame with coordinates and velocities is needed.",
"When pressure and/or Nose-Hoover temperature coupling is used",
"an energy file can be supplied to get an exact continuation",
"of the original run.[PAR]",
"[BB]3.[bb] by creating a [TT].tpx[tt] file for a subset of your original",
"tpx file, which is useful when you want to remove the solvent from",
"your [TT].tpx[tt] file, or when you want to make e.g. a pure C[GRK]alpha[grk] [TT].tpx[tt] file.",
"Note that you may need to use [TT]-nsteps -1[tt] (or similar) to get",
"this to work.",
"[BB]WARNING: this [TT].tpx[tt] file is not fully functional[bb].[PAR]",
"[BB]4.[bb] by setting the charges of a specified group",
"to zero. This is useful when doing free energy estimates",
"using the LIE (Linear Interaction Energy) method."
};
const char *top_fn, *frame_fn;
t_fileio *fp;
ener_file_t fp_ener = NULL;
t_trnheader head;
int i;
gmx_large_int_t nsteps_req, run_step, frame;
double run_t, state_t;
gmx_bool bOK, bNsteps, bExtend, bUntil, bTime, bTraj;
gmx_bool bFrame, bUse, bSel, bNeedEner, bReadEner, bScanEner, bFepState;
gmx_mtop_t mtop;
t_atoms atoms;
t_inputrec *ir, *irnew = NULL;
t_gromppopts *gopts;
t_state state;
rvec *newx = NULL, *newv = NULL, *tmpx, *tmpv;
matrix newbox;
int gnx;
char *grpname;
atom_id *index = NULL;
int nre;
gmx_enxnm_t *enm = NULL;
t_enxframe *fr_ener = NULL;
char buf[200], buf2[200];
output_env_t oenv;
t_filenm fnm[] = {
{ efTPX, NULL, NULL, ffREAD },
{ efTRN, "-f", NULL, ffOPTRD },
{ efEDR, "-e", NULL, ffOPTRD },
{ efNDX, NULL, NULL, ffOPTRD },
{ efTPX, "-o", "tpxout", ffWRITE }
};
#define NFILE asize(fnm)
/* Command line options */
static int nsteps_req_int = 0;
static real start_t = -1.0, extend_t = 0.0, until_t = 0.0;
static int init_fep_state = 0;
static gmx_bool bContinuation = TRUE, bZeroQ = FALSE, bVel = TRUE;
static t_pargs pa[] = {
{ "-extend", FALSE, etREAL, {&extend_t},
"Extend runtime by this amount (ps)" },
{ "-until", FALSE, etREAL, {&until_t},
"Extend runtime until this ending time (ps)" },
{ "-nsteps", FALSE, etINT, {&nsteps_req_int},
"Change the number of steps" },
{ "-time", FALSE, etREAL, {&start_t},
"Continue from frame at this time (ps) instead of the last frame" },
{ "-zeroq", FALSE, etBOOL, {&bZeroQ},
"Set the charges of a group (from the index) to zero" },
{ "-vel", FALSE, etBOOL, {&bVel},
"Require velocities from trajectory" },
{ "-cont", FALSE, etBOOL, {&bContinuation},
"For exact continuation, the constraints should not be applied before the first step" },
{ "-init_fep_state", FALSE, etINT, {&init_fep_state},
"fep state to initialize from" },
};
int nerror = 0;
CopyRight(stderr, argv[0]);
/* Parse the command line */
parse_common_args(&argc, argv, 0, NFILE, fnm, asize(pa), pa,
asize(desc), desc, 0, NULL, &oenv);
/* Convert int to gmx_large_int_t */
nsteps_req = nsteps_req_int;
bNsteps = opt2parg_bSet("-nsteps", asize(pa), pa);
bExtend = opt2parg_bSet("-extend", asize(pa), pa);
bUntil = opt2parg_bSet("-until", asize(pa), pa);
bFepState = opt2parg_bSet("-init_fep_state", asize(pa), pa);
bTime = opt2parg_bSet("-time", asize(pa), pa);
bTraj = (opt2bSet("-f", NFILE, fnm) || bTime);
top_fn = ftp2fn(efTPX, NFILE, fnm);
fprintf(stderr, "Reading toplogy and stuff from %s\n", top_fn);
snew(ir, 1);
read_tpx_state(top_fn, ir, &state, NULL, &mtop);
run_step = ir->init_step;
run_t = ir->init_step*ir->delta_t + ir->init_t;
if (!EI_STATE_VELOCITY(ir->eI))
{
bVel = FALSE;
}
if (bTraj)
{
fprintf(stderr, "\n"
"NOTE: Reading the state from trajectory is an obsolete feature of tpbconv.\n"
" Continuation should be done by loading a checkpoint file with mdrun -cpi\n"
" This guarantees that all state variables are transferred.\n"
" tpbconv is now only useful for increasing nsteps,\n"
" but even that can often be avoided by using mdrun -maxh\n"
"\n");
if (ir->bContinuation != bContinuation)
{
fprintf(stderr, "Modifying ir->bContinuation to %s\n",
bool_names[bContinuation]);
}
ir->bContinuation = bContinuation;
bNeedEner = (ir->epc == epcPARRINELLORAHMAN || ir->etc == etcNOSEHOOVER);
bReadEner = (bNeedEner && ftp2bSet(efEDR, NFILE, fnm));
bScanEner = (bReadEner && !bTime);
if (ir->epc != epcNO || EI_SD(ir->eI) || ir->eI == eiBD)
{
fprintf(stderr, "NOTE: The simulation uses pressure coupling and/or stochastic dynamics.\n"
"tpbconv can not provide binary identical continuation.\n"
"If you want that, supply a checkpoint file to mdrun\n\n");
}
if (EI_SD(ir->eI) || ir->eI == eiBD)
{
fprintf(stderr, "\nChanging ld-seed from %d ", ir->ld_seed);
ir->ld_seed = make_seed();
fprintf(stderr, "to %d\n\n", ir->ld_seed);
}
frame_fn = ftp2fn(efTRN, NFILE, fnm);
if (fn2ftp(frame_fn) == efCPT)
{
int sim_part;
fprintf(stderr,
"\nREADING STATE FROM CHECKPOINT %s...\n\n",
frame_fn);
read_checkpoint_state(frame_fn, &sim_part,
&run_step, &run_t, &state);
}
else
{
fprintf(stderr,
"\nREADING COORDS, VELS AND BOX FROM TRAJECTORY %s...\n\n",
frame_fn);
fp = open_trn(frame_fn, "r");
if (bScanEner)
{
fp_ener = open_enx(ftp2fn(efEDR, NFILE, fnm), "r");
do_enxnms(fp_ener, &nre, &enm);
snew(fr_ener, 1);
fr_ener->t = -1e-12;
}
/* Now scan until the last set of x and v (step == 0)
* or the ones at step step.
*/
bFrame = TRUE;
frame = 0;
while (bFrame)
{
bFrame = fread_trnheader(fp, &head, &bOK);
if (bOK && frame == 0)
{
if (mtop.natoms != head.natoms)
{
gmx_fatal(FARGS, "Number of atoms in Topology (%d) "
"is not the same as in Trajectory (%d)\n",
mtop.natoms, head.natoms);
}
snew(newx, head.natoms);
snew(newv, head.natoms);
}
bFrame = bFrame && bOK;
if (bFrame)
{
bOK = fread_htrn(fp, &head, newbox, newx, newv, NULL);
}
bFrame = bFrame && bOK;
bUse = FALSE;
if (bFrame &&
(head.x_size) && (head.v_size || !bVel))
{
bUse = TRUE;
if (bScanEner)
{
/* Read until the energy time is >= the trajectory time */
while (fr_ener->t < head.t && do_enx(fp_ener, fr_ener))
{
;
}
bUse = (fr_ener->t == head.t);
}
if (bUse)
{
tmpx = newx;
newx = state.x;
state.x = tmpx;
tmpv = newv;
newv = state.v;
state.v = tmpv;
run_t = head.t;
run_step = head.step;
state.fep_state = head.fep_state;
state.lambda[efptFEP] = head.lambda;
copy_mat(newbox, state.box);
}
}
if (bFrame || !bOK)
{
sprintf(buf, "\r%s %s frame %s%s: step %s%s time %s",
"%s", "%s", "%6", gmx_large_int_fmt, "%6", gmx_large_int_fmt, " %8.3f");
fprintf(stderr, buf,
bUse ? "Read " : "Skipped", ftp2ext(fn2ftp(frame_fn)),
frame, head.step, head.t);
frame++;
if (bTime && (head.t >= start_t))
{
bFrame = FALSE;
}
}
}
if (bScanEner)
{
close_enx(fp_ener);
free_enxframe(fr_ener);
free_enxnms(nre, enm);
}
close_trn(fp);
fprintf(stderr, "\n");
if (!bOK)
{
fprintf(stderr, "%s frame %s (step %s, time %g) is incomplete\n",
ftp2ext(fn2ftp(frame_fn)), gmx_step_str(frame-1, buf2),
gmx_step_str(head.step, buf), head.t);
}
fprintf(stderr, "\nUsing frame of step %s time %g\n",
gmx_step_str(run_step, buf), run_t);
if (bNeedEner)
{
if (bReadEner)
{
get_enx_state(ftp2fn(efEDR, NFILE, fnm), run_t, &mtop.groups, ir, &state);
}
else
{
fprintf(stderr, "\nWARNING: The simulation uses %s temperature and/or %s pressure coupling,\n"
" the continuation will only be exact when an energy file is supplied\n\n",
ETCOUPLTYPE(etcNOSEHOOVER),
EPCOUPLTYPE(epcPARRINELLORAHMAN));
}
}
if (bFepState)
{
ir->fepvals->init_fep_state = init_fep_state;
}
}
}
if (bNsteps)
{
fprintf(stderr, "Setting nsteps to %s\n", gmx_step_str(nsteps_req, buf));
ir->nsteps = nsteps_req;
}
else
{
/* Determine total number of steps remaining */
if (bExtend)
{
ir->nsteps = ir->nsteps - (run_step - ir->init_step) + (gmx_large_int_t)(extend_t/ir->delta_t + 0.5);
printf("Extending remaining runtime of by %g ps (now %s steps)\n",
extend_t, gmx_step_str(ir->nsteps, buf));
}
else if (bUntil)
{
printf("nsteps = %s, run_step = %s, current_t = %g, until = %g\n",
gmx_step_str(ir->nsteps, buf),
gmx_step_str(run_step, buf2),
run_t, until_t);
ir->nsteps = (gmx_large_int_t)((until_t - run_t)/ir->delta_t + 0.5);
printf("Extending remaining runtime until %g ps (now %s steps)\n",
until_t, gmx_step_str(ir->nsteps, buf));
}
else
{
ir->nsteps -= run_step - ir->init_step;
/* Print message */
printf("%s steps (%g ps) remaining from first run.\n",
gmx_step_str(ir->nsteps, buf), ir->nsteps*ir->delta_t);
}
}
if (bNsteps || bZeroQ || (ir->nsteps > 0))
{
ir->init_step = run_step;
if (ftp2bSet(efNDX, NFILE, fnm) ||
!(bNsteps || bExtend || bUntil || bTraj))
{
atoms = gmx_mtop_global_atoms(&mtop);
get_index(&atoms, ftp2fn_null(efNDX, NFILE, fnm), 1,
&gnx, &index, &grpname);
if (!bZeroQ)
{
bSel = (gnx != state.natoms);
for (i = 0; ((i < gnx) && (!bSel)); i++)
{
bSel = (i != index[i]);
}
}
else
{
bSel = FALSE;
}
if (bSel)
{
fprintf(stderr, "Will write subset %s of original tpx containing %d "
"atoms\n", grpname, gnx);
reduce_topology_x(gnx, index, &mtop, state.x, state.v);
state.natoms = gnx;
}
else if (bZeroQ)
{
zeroq(gnx, index, &mtop);
fprintf(stderr, "Zero-ing charges for group %s\n", grpname);
}
else
{
fprintf(stderr, "Will write full tpx file (no selection)\n");
}
}
state_t = ir->init_t + ir->init_step*ir->delta_t;
sprintf(buf, "Writing statusfile with starting step %s%s and length %s%s steps...\n", "%10", gmx_large_int_fmt, "%10", gmx_large_int_fmt);
fprintf(stderr, buf, ir->init_step, ir->nsteps);
fprintf(stderr, " time %10.3f and length %10.3f ps\n",
state_t, ir->nsteps*ir->delta_t);
write_tpx_state(opt2fn("-o", NFILE, fnm), ir, &state, &mtop);
}
else
{
printf("You've simulated long enough. Not writing tpr file\n");
}
thanx(stderr);
return 0;
}
static void list_trn(char *fn)
{
static real mass[5] = { 15.9994, 1.008, 1.008, 0.0, 0.0 };
int i,j=0,m,fpread,fpwrite,nframe;
rvec *x,*v,*f,fmol[2],xcm[2],torque[j],dx;
real mmm,len;
matrix box;
t_trnheader trn;
gmx_bool bOK;
printf("Going to open %s\n",fn);
fpread = open_trn(fn,"r");
fpwrite = open_tpx(NULL,"w");
gmx_fio_setdebug(fpwrite,TRUE);
mmm=mass[0]+2*mass[1];
for(i=0; (i<5); i++)
mass[i] /= mmm;
nframe = 0;
while (fread_trnheader(fpread,&trn,&bOK)) {
snew(x,trn.natoms);
snew(v,trn.natoms);
snew(f,trn.natoms);
if (fread_htrn(fpread,&trn,
trn.box_size ? box : NULL,
trn.x_size ? x : NULL,
trn.v_size ? v : NULL,
trn.f_size ? f : NULL)) {
if (trn.x_size && trn.f_size) {
printf("There are %d atoms\n",trn.natoms);
for(j=0; (j<2); j++) {
clear_rvec(xcm[j]);
clear_rvec(fmol[j]);
clear_rvec(torque[j]);
for(i=5*j; (i<5*j+5); i++) {
rvec_inc(fmol[j],f[i]);
for(m=0; (m<DIM); m++)
xcm[j][m] += mass[i%5]*x[i][m];
}
for(i=5*j; (i<5*j+5); i++) {
rvec_dec(x[i],xcm[j]);
cprod(x[i],f[i],dx);
rvec_inc(torque[j],dx);
rvec_inc(x[i],xcm[j]);
}
}
pr_rvecs(stdout,0,"FMOL ",fmol,2);
pr_rvecs(stdout,0,"TORQUE",torque,2);
printf("Distance matrix Water1-Water2\n%5s","");
for(j=0; (j<5); j++)
printf(" %10s",nm[j]);
printf("\n");
for(j=0; (j<5); j++) {
printf("%5s",nm[j]);
for(i=5; (i<10); i++) {
rvec_sub(x[i],x[j],dx);
len = sqrt(iprod(dx,dx));
printf(" %10.7f",len);
}
printf("\n");
}
}
}
sfree(x);
sfree(v);
sfree(f);
nframe++;
}
if (!bOK)
fprintf(stderr,"\nWARNING: Incomplete frame header: nr %d, t=%g\n",
nframe,trn.t);
close_tpx(fpwrite);
close_trn(fpread);
}
