static void printcount_(t_trxstatus *status, const output_env_t oenv,
const char *l,real t)
{
if ((status->__frame < 2*SKIP1 || status->__frame % SKIP1 == 0) &&
(status->__frame < 2*SKIP2 || status->__frame % SKIP2 == 0) &&
(status->__frame < 2*SKIP3 || status->__frame % SKIP3 == 0))
fprintf(stderr,"\r%-14s %6d time %8.3f ",l,status->__frame,
output_env_conv_time(oenv,t));
}
static void printcount_(t_trxstatus *status, const gmx_output_env_t *oenv,
const char *l, real t)
{
if ((status->__frame < 2*SKIP1 || status->__frame % SKIP1 == 0) &&
(status->__frame < 2*SKIP2 || status->__frame % SKIP2 == 0) &&
(status->__frame < 2*SKIP3 || status->__frame % SKIP3 == 0) &&
output_env_get_trajectory_io_verbosity(oenv) != 0)
{
fprintf(stderr, "\r%-14s %6d time %8.3f ", l, status->__frame,
output_env_conv_time(oenv, t));
fflush(stderr);
}
}
static void corr_print(t_corr *curr, gmx_bool bTen, const char *fn, const char *title,
const char *yaxis,
real msdtime, real beginfit, real endfit,
real *DD, real *SigmaD, char *grpname[],
const output_env_t oenv)
{
FILE *out;
int i, j;
out = xvgropen(fn, title, output_env_get_xvgr_tlabel(oenv), yaxis, oenv);
if (DD)
{
fprintf(out, "# MSD gathered over %g %s with %d restarts\n",
msdtime, output_env_get_time_unit(oenv), curr->nrestart);
fprintf(out, "# Diffusion constants fitted from time %g to %g %s\n",
beginfit, endfit, output_env_get_time_unit(oenv));
for (i = 0; i < curr->ngrp; i++)
{
fprintf(out, "# D[%10s] = %.4f (+/- %.4f) (1e-5 cm^2/s)\n",
grpname[i], DD[i], SigmaD[i]);
}
}
for (i = 0; i < curr->nframes; i++)
{
fprintf(out, "%10g", output_env_conv_time(oenv, curr->time[i]));
for (j = 0; j < curr->ngrp; j++)
{
fprintf(out, " %10g", curr->data[j][i]);
if (bTen)
{
fprintf(out, " %10g %10g %10g %10g %10g %10g",
curr->datam[j][i][XX][XX],
curr->datam[j][i][YY][YY],
curr->datam[j][i][ZZ][ZZ],
curr->datam[j][i][YY][XX],
curr->datam[j][i][ZZ][XX],
curr->datam[j][i][ZZ][YY]);
}
}
fprintf(out, "\n");
}
xvgrclose(out);
}
int gmx_trjcat(int argc, char *argv[])
{
const char *desc[] =
{
"[THISMODULE] concatenates several input trajectory files in sorted order. ",
"In case of double time frames the one in the later file is used. ",
"By specifying [TT]-settime[tt] you will be asked for the start time ",
"of each file. The input files are taken from the command line, ",
"such that a command like [TT]gmx trjcat -f *.trr -o fixed.trr[tt] should do ",
"the trick. Using [TT]-cat[tt], you can simply paste several files ",
"together without removal of frames with identical time stamps.[PAR]",
"One important option is inferred when the output file is amongst the",
"input files. In that case that particular file will be appended to",
"which implies you do not need to store double the amount of data.",
"Obviously the file to append to has to be the one with lowest starting",
"time since one can only append at the end of a file.[PAR]",
"If the [TT]-demux[tt] option is given, the N trajectories that are",
"read, are written in another order as specified in the [TT].xvg[tt] file.",
"The [TT].xvg[tt] file should contain something like:[PAR]",
"[TT]0 0 1 2 3 4 5[BR]",
"2 1 0 2 3 5 4[tt][BR]",
"Where the first number is the time, and subsequent numbers point to",
"trajectory indices.",
"The frames corresponding to the numbers present at the first line",
"are collected into the output trajectory. If the number of frames in",
"the trajectory does not match that in the [TT].xvg[tt] file then the program",
"tries to be smart. Beware."
};
static gmx_bool bVels = TRUE;
static int prec = 3;
static gmx_bool bCat = FALSE;
static gmx_bool bSort = TRUE;
static gmx_bool bKeepLast = FALSE;
static gmx_bool bKeepLastAppend = FALSE;
static gmx_bool bOverwrite = FALSE;
static gmx_bool bSetTime = FALSE;
static gmx_bool bDeMux;
static real begin = -1;
static real end = -1;
static real dt = 0;
t_pargs
pa[] =
{
{ "-b", FALSE, etTIME,
{ &begin }, "First time to use (%t)" },
{ "-e", FALSE, etTIME,
{ &end }, "Last time to use (%t)" },
{ "-dt", FALSE, etTIME,
{ &dt }, "Only write frame when t MOD dt = first time (%t)" },
{ "-prec", FALSE, etINT,
{ &prec }, "Precision for [TT].xtc[tt] and [TT].gro[tt] writing in number of decimal places" },
{ "-vel", FALSE, etBOOL,
{ &bVels }, "Read and write velocities if possible" },
{ "-settime", FALSE, etBOOL,
{ &bSetTime }, "Change starting time interactively" },
{ "-sort", FALSE, etBOOL,
{ &bSort }, "Sort trajectory files (not frames)" },
{ "-keeplast", FALSE, etBOOL,
{ &bKeepLast }, "Keep overlapping frames at end of trajectory" },
{ "-overwrite", FALSE, etBOOL,
{ &bOverwrite }, "Overwrite overlapping frames during appending" },
{ "-cat", FALSE, etBOOL,
{ &bCat }, "Do not discard double time frames" }
};
#define npargs asize(pa)
int ftpin, i, frame, frame_out, step = 0, trjout = 0;
t_trxstatus *status;
rvec *x, *v;
real xtcpr, t_corr;
t_trxframe fr, frout;
char **fnms, **fnms_out, *in_file, *out_file;
int n_append;
t_trxstatus *trxout = NULL;
gmx_bool bNewFile, bIndex, bWrite;
int earliersteps, nfile_in, nfile_out, *cont_type, last_ok_step;
real *readtime, *timest, *settime;
real first_time = 0, lasttime = NOTSET, last_ok_t = -1, timestep;
real last_frame_time, searchtime;
int isize, j;
atom_id *index = NULL, imax;
char *grpname;
real **val = NULL, *t = NULL, dt_remd;
int n, nset;
gmx_bool bOK;
gmx_off_t fpos;
output_env_t oenv;
t_filenm fnm[] =
{
{ efTRX, "-f", NULL, ffRDMULT },
{ efTRO, "-o", NULL, ffWRMULT },
{ efNDX, "-n", "index", ffOPTRD },
{ efXVG, "-demux", "remd", ffOPTRD }
};
#define NFILE asize(fnm)
if (!parse_common_args(&argc, argv, PCA_BE_NICE | PCA_TIME_UNIT, NFILE, fnm,
asize(pa), pa, asize(desc), desc, 0, NULL, &oenv))
{
return 0;
}
bIndex = ftp2bSet(efNDX, NFILE, fnm);
bDeMux = ftp2bSet(efXVG, NFILE, fnm);
bSort = bSort && !bDeMux;
imax = NO_ATID;
if (bIndex)
{
printf("Select group for output\n");
rd_index(ftp2fn(efNDX, NFILE, fnm), 1, &isize, &index, &grpname);
/* scan index */
imax = index[0];
for (i = 1; i < isize; i++)
{
imax = max(imax, index[i]);
}
}
if (bDeMux)
{
nset = 0;
dt_remd = 0;
val = read_xvg_time(opt2fn("-demux", NFILE, fnm), TRUE,
opt2parg_bSet("-b", npargs, pa), begin,
opt2parg_bSet("-e", npargs, pa), end, 1, &nset, &n,
&dt_remd, &t);
printf("Read %d sets of %d points, dt = %g\n\n", nset, n, dt_remd);
if (debug)
{
fprintf(debug, "Dump of replica_index.xvg\n");
for (i = 0; (i < n); i++)
{
fprintf(debug, "%10g", t[i]);
for (j = 0; (j < nset); j++)
{
fprintf(debug, " %3d", gmx_nint(val[j][i]));
}
fprintf(debug, "\n");
}
}
}
/* prec is in nr of decimal places, xtcprec is a multiplication factor: */
xtcpr = 1;
for (i = 0; i < prec; i++)
{
xtcpr *= 10;
}
nfile_in = opt2fns(&fnms, "-f", NFILE, fnm);
if (!nfile_in)
{
gmx_fatal(FARGS, "No input files!" );
}
if (bDeMux && (nfile_in != nset))
{
gmx_fatal(FARGS, "You have specified %d files and %d entries in the demux table", nfile_in, nset);
}
nfile_out = opt2fns(&fnms_out, "-o", NFILE, fnm);
if (!nfile_out)
{
gmx_fatal(FARGS, "No output files!");
}
if ((nfile_out > 1) && !bDeMux)
{
gmx_fatal(FARGS, "Don't know what to do with more than 1 output file if not demultiplexing");
}
else if (bDeMux && (nfile_out != nset) && (nfile_out != 1))
{
gmx_fatal(FARGS, "Number of output files should be 1 or %d (#input files), not %d", nset, nfile_out);
}
if (bDeMux)
{
if (nfile_out != nset)
{
char *buf = strdup(fnms_out[0]);
snew(fnms_out, nset);
for (i = 0; (i < nset); i++)
{
snew(fnms_out[i], strlen(buf)+32);
sprintf(fnms_out[i], "%d_%s", i, buf);
}
sfree(buf);
}
do_demux(nfile_in, fnms, fnms_out, n, val, t, dt_remd, isize, index, dt, oenv);
}
else
{
snew(readtime, nfile_in+1);
snew(timest, nfile_in+1);
scan_trj_files(fnms, nfile_in, readtime, timest, imax, oenv);
snew(settime, nfile_in+1);
snew(cont_type, nfile_in+1);
edit_files(fnms, nfile_in, readtime, timest, settime, cont_type, bSetTime, bSort,
oenv);
/* Check whether the output file is amongst the input files
* This has to be done after sorting etc.
*/
out_file = fnms_out[0];
n_append = -1;
for (i = 0; ((i < nfile_in) && (n_append == -1)); i++)
{
if (strcmp(fnms[i], out_file) == 0)
{
n_append = i;
}
}
if (n_append == 0)
{
fprintf(stderr, "Will append to %s rather than creating a new file\n",
out_file);
}
else if (n_append != -1)
{
gmx_fatal(FARGS, "Can only append to the first file which is %s (not %s)",
fnms[0], out_file);
}
earliersteps = 0;
/* Not checking input format, could be dangerous :-) */
/* Not checking output format, equally dangerous :-) */
frame = -1;
frame_out = -1;
/* the default is not to change the time at all,
* but this is overridden by the edit_files routine
*/
t_corr = 0;
if (n_append == -1)
{
trxout = open_trx(out_file, "w");
memset(&frout, 0, sizeof(frout));
}
else
{
t_fileio *stfio;
if (!read_first_frame(oenv, &status, out_file, &fr, FLAGS))
{
gmx_fatal(FARGS, "Reading first frame from %s", out_file);
}
stfio = trx_get_fileio(status);
if (!bKeepLast && !bOverwrite)
{
fprintf(stderr, "\n\nWARNING: Appending without -overwrite implies -keeplast "
"between the first two files. \n"
"If the trajectories have an overlap and have not been written binary \n"
"reproducible this will produce an incorrect trajectory!\n\n");
/* Fails if last frame is incomplete
* We can't do anything about it without overwriting
* */
if (gmx_fio_getftp(stfio) == efXTC)
{
lasttime =
xdr_xtc_get_last_frame_time(gmx_fio_getfp(stfio),
gmx_fio_getxdr(stfio),
fr.natoms, &bOK);
fr.time = lasttime;
if (!bOK)
{
gmx_fatal(FARGS, "Error reading last frame. Maybe seek not supported." );
}
}
else
{
while (read_next_frame(oenv, status, &fr))
{
;
}
lasttime = fr.time;
}
bKeepLastAppend = TRUE;
close_trj(status);
trxout = open_trx(out_file, "a");
}
else if (bOverwrite)
{
if (gmx_fio_getftp(stfio) != efXTC)
{
gmx_fatal(FARGS, "Overwrite only supported for XTC." );
}
last_frame_time =
xdr_xtc_get_last_frame_time(gmx_fio_getfp(stfio),
gmx_fio_getxdr(stfio),
fr.natoms, &bOK);
if (!bOK)
{
gmx_fatal(FARGS, "Error reading last frame. Maybe seek not supported." );
}
/* xtc_seek_time broken for trajectories containing only 1 or 2 frames
* or when seek time = 0 */
if (nfile_in > 1 && settime[1] < last_frame_time+timest[0]*0.5)
{
/* Jump to one time-frame before the start of next
* trajectory file */
searchtime = settime[1]-timest[0]*1.25;
}
else
{
searchtime = last_frame_time;
}
if (xtc_seek_time(stfio, searchtime, fr.natoms, TRUE))
{
gmx_fatal(FARGS, "Error seeking to append position.");
}
read_next_frame(oenv, status, &fr);
if (fabs(searchtime - fr.time) > timest[0]*0.5)
{
gmx_fatal(FARGS, "Error seeking: attempted to seek to %f but got %f.",
searchtime, fr.time);
}
lasttime = fr.time;
fpos = gmx_fio_ftell(stfio);
close_trj(status);
trxout = open_trx(out_file, "r+");
if (gmx_fio_seek(trx_get_fileio(trxout), fpos))
{
gmx_fatal(FARGS, "Error seeking to append position.");
}
}
printf("\n Will append after %f \n", lasttime);
frout = fr;
}
/* Lets stitch up some files */
timestep = timest[0];
for (i = n_append+1; (i < nfile_in); i++)
{
/* Open next file */
/* set the next time from the last frame in previous file */
if (i > 0)
{
if (frame_out >= 0)
{
if (cont_type[i] == TIME_CONTINUE)
{
begin = frout.time;
begin += 0.5*timestep;
settime[i] = frout.time;
cont_type[i] = TIME_EXPLICIT;
}
else if (cont_type[i] == TIME_LAST)
{
begin = frout.time;
begin += 0.5*timestep;
}
/* Or, if the time in the next part should be changed by the
* same amount, start at half a timestep from the last time
* so we dont repeat frames.
*/
/* I don't understand the comment above, but for all the cases
* I tried the code seems to work properly. B. Hess 2008-4-2.
*/
}
/* Or, if time is set explicitly, we check for overlap/gap */
if (cont_type[i] == TIME_EXPLICIT)
{
if ( ( i < nfile_in ) &&
( frout.time < settime[i]-1.5*timestep ) )
{
fprintf(stderr, "WARNING: Frames around t=%f %s have a different "
"spacing than the rest,\n"
"might be a gap or overlap that couldn't be corrected "
"automatically.\n", output_env_conv_time(oenv, frout.time),
output_env_get_time_unit(oenv));
}
}
}
/* if we don't have a timestep in the current file, use the old one */
if (timest[i] != 0)
{
timestep = timest[i];
}
read_first_frame(oenv, &status, fnms[i], &fr, FLAGS);
if (!fr.bTime)
{
fr.time = 0;
fprintf(stderr, "\nWARNING: Couldn't find a time in the frame.\n");
}
if (cont_type[i] == TIME_EXPLICIT)
{
t_corr = settime[i]-fr.time;
}
/* t_corr is the amount we want to change the time.
* If the user has chosen not to change the time for
* this part of the trajectory t_corr remains at
* the value it had in the last part, changing this
* by the same amount.
* If no value was given for the first trajectory part
* we let the time start at zero, see the edit_files routine.
*/
bNewFile = TRUE;
printf("\n");
if (lasttime != NOTSET)
{
printf("lasttime %g\n", lasttime);
}
do
{
/* copy the input frame to the output frame */
frout = fr;
/* set the new time by adding the correct calculated above */
frout.time += t_corr;
/* quit if we have reached the end of what should be written */
if ((end > 0) && (frout.time > end+GMX_REAL_EPS))
{
i = nfile_in;
break;
}
/* determine if we should write this frame (dt is handled elsewhere) */
if (bCat) /* write all frames of all files */
{
bWrite = TRUE;
}
else if (bKeepLast || (bKeepLastAppend && i == 1))
/* write till last frame of this traj
and skip first frame(s) of next traj */
{
bWrite = ( frout.time > lasttime+0.5*timestep );
}
else /* write till first frame of next traj */
{
bWrite = ( frout.time < settime[i+1]-0.5*timestep );
}
if (bWrite && (frout.time >= begin) )
{
frame++;
if (frame_out == -1)
{
first_time = frout.time;
}
lasttime = frout.time;
if (dt == 0 || bRmod(frout.time, first_time, dt))
{
frame_out++;
last_ok_t = frout.time;
if (bNewFile)
{
fprintf(stderr, "\nContinue writing frames from %s t=%g %s, "
"frame=%d \n",
fnms[i], output_env_conv_time(oenv, frout.time), output_env_get_time_unit(oenv),
frame);
bNewFile = FALSE;
}
if (bIndex)
{
write_trxframe_indexed(trxout, &frout, isize, index,
NULL);
}
else
{
write_trxframe(trxout, &frout, NULL);
}
if ( ((frame % 10) == 0) || (frame < 10) )
{
fprintf(stderr, " -> frame %6d time %8.3f %s \r",
frame_out, output_env_conv_time(oenv, frout.time), output_env_get_time_unit(oenv));
}
}
}
}
while (read_next_frame(oenv, status, &fr));
close_trj(status);
earliersteps += step;
}
if (trxout)
{
close_trx(trxout);
}
fprintf(stderr, "\nLast frame written was %d, time %f %s\n",
frame, output_env_conv_time(oenv, last_ok_t), output_env_get_time_unit(oenv));
}
return 0;
}
static void edit_files(char **fnms, int nfiles, real *readtime, real *timestep,
real *settime, int *cont_type, gmx_bool bSetTime,
gmx_bool bSort, const output_env_t oenv)
{
int i;
gmx_bool ok;
char inputstring[STRLEN], *chptr;
if (bSetTime)
{
fprintf(stderr, "\n\nEnter the new start time (%s) for each file.\n"
"There are two special options, both disable sorting:\n\n"
"c (continue) - The start time is taken from the end\n"
"of the previous file. Use it when your continuation run\n"
"restarts with t=0.\n\n"
"l (last) - The time in this file will be changed the\n"
"same amount as in the previous. Use it when the time in the\n"
"new run continues from the end of the previous one,\n"
"since this takes possible overlap into account.\n\n",
output_env_get_time_unit(oenv));
fprintf(
stderr,
" File Current start (%s) New start (%s)\n"
"---------------------------------------------------------\n",
output_env_get_time_unit(oenv), output_env_get_time_unit(oenv));
for (i = 0; i < nfiles; i++)
{
fprintf(stderr, "%25s %10.3f %s ", fnms[i],
output_env_conv_time(oenv, readtime[i]), output_env_get_time_unit(oenv));
ok = FALSE;
do
{
if (NULL == fgets(inputstring, STRLEN - 1, stdin))
{
gmx_fatal(FARGS, "Error reading user input" );
}
inputstring[strlen(inputstring)-1] = 0;
if (inputstring[0] == 'c' || inputstring[0] == 'C')
{
cont_type[i] = TIME_CONTINUE;
bSort = FALSE;
ok = TRUE;
settime[i] = FLT_MAX;
}
else if (inputstring[0] == 'l' ||
inputstring[0] == 'L')
{
cont_type[i] = TIME_LAST;
bSort = FALSE;
ok = TRUE;
settime[i] = FLT_MAX;
}
else
{
settime[i] = strtod(inputstring, &chptr)*
output_env_get_time_invfactor(oenv);
if (chptr == inputstring)
{
fprintf(stderr, "'%s' not recognized as a floating point number, 'c' or 'l'. "
"Try again: ", inputstring);
}
else
{
cont_type[i] = TIME_EXPLICIT;
ok = TRUE;
}
}
}
while (!ok);
}
if (cont_type[0] != TIME_EXPLICIT)
{
cont_type[0] = TIME_EXPLICIT;
settime[0] = 0;
}
}
else
{
for (i = 0; i < nfiles; i++)
{
settime[i] = readtime[i];
}
}
if (!bSort)
{
fprintf(stderr, "Sorting disabled.\n");
}
else
{
sort_files(fnms, settime, nfiles);
}
/* Write out the new order and start times */
fprintf(stderr, "\nSummary of files and start times used:\n\n"
" File Start time Time step\n"
"---------------------------------------------------------\n");
for (i = 0; i < nfiles; i++)
{
switch (cont_type[i])
{
case TIME_EXPLICIT:
fprintf(stderr, "%25s %10.3f %s %10.3f %s",
fnms[i],
output_env_conv_time(oenv, settime[i]), output_env_get_time_unit(oenv),
output_env_conv_time(oenv, timestep[i]), output_env_get_time_unit(oenv));
if (i > 0 &&
cont_type[i-1] == TIME_EXPLICIT && settime[i] == settime[i-1])
{
fprintf(stderr, " WARNING: same Start time as previous");
}
fprintf(stderr, "\n");
break;
case TIME_CONTINUE:
fprintf(stderr, "%25s Continue from last file\n", fnms[i]);
break;
case TIME_LAST:
fprintf(stderr, "%25s Change by same amount as last file\n",
fnms[i]);
break;
}
}
fprintf(stderr, "\n");
settime[nfiles] = FLT_MAX;
cont_type[nfiles] = TIME_EXPLICIT;
readtime[nfiles] = FLT_MAX;
}
int main(int argc,char *argv[])
{
const char *desc[] = {
"[TT]do_multiprot[tt] ",
"reads a trajectory file and aligns it to a reference structure ",
"each time frame",
"calling the multiprot program. This allows you to use a reference",
"structure whose sequence is different than that of the protein in the ",
"trajectory, since the alignment is based on the geometry, not sequence.",
"The output of [TT]do_multiprot[tt] includes the rmsd and the number of residues",
"on which it was calculated.",
"[PAR]",
"An aligned trajectory file is generated with the [TT]-ox[tt] option.[PAR]",
"With the [TT]-cr[tt] option, the number of hits in the alignment is given",
"per residue. This number can be between 0 and the number of frames, and",
"indicates the structural conservation of this residue.[PAR]",
"If you do not have the [TT]multiprot[tt] program, get it. [TT]do_multiprot[tt] assumes",
"that the [TT]multiprot[tt] executable is [TT]/usr/local/bin/multiprot[tt]. If this is ",
"not the case, then you should set an environment variable [BB]MULTIPROT[bb]",
"pointing to the [TT]multiprot[tt] executable, e.g.: [PAR]",
"[TT]setenv MULTIPROT /usr/MultiProtInstall/multiprot.Linux[tt][PAR]",
"Note that at the current implementation only binary alignment (your",
"molecule to a reference) is supported. In addition, note that the ",
"by default [TT]multiprot[tt] aligns the two proteins on their C-alpha carbons.",
"and that this depends on the [TT]multiprot[tt] parameters which are not dealt ",
"with here. Thus, the C-alpha carbons is expected to give the same "
"results as choosing the whole protein and will be slightly faster.[PAR]",
"For information about [TT]multiprot[tt], see:",
"http://bioinfo3d.cs.tau.ac.il/MultiProt/.[PAR]"
};
static bool bVerbose;
t_pargs pa[] = {
{ "-v", FALSE, etBOOL, {&bVerbose},
"HIDDENGenerate miles of useless information" }
};
const char *bugs[] = {
"The program is very slow, since multiprot is run externally"
};
t_trxstatus *status;
t_trxstatus *trxout=NULL;
FILE *tapein,*fo,*frc,*tmpf,*out=NULL,*fres=NULL;
const char *fnRef;
const char *fn="2_sol.res";
t_topology top;
int ePBC;
t_atoms *atoms,ratoms,useatoms;
t_trxframe fr;
t_pdbinfo p;
int nres,nres2,nr0;
real t;
int i,j,natoms,nratoms,nframe=0,model_nr=-1;
int cur_res,prev_res;
int nout;
t_countres *countres=NULL;
matrix box,rbox;
int gnx;
char *grpnm,*ss_str;
atom_id *index;
rvec *xp,*x,*xr;
char pdbfile[32],refpdb[256],title[256],rtitle[256],filemode[5];
char out_title[256];
char multiprot[256],*mptr;
int ftp;
int outftp=-1;
real rmsd;
bool bTrjout,bCountres;
const char *TrjoutFile=NULL;
output_env_t oenv;
static rvec translation={0,0,0},rotangles={0,0,0};
gmx_rmpbc_t gpbc=NULL;
t_filenm fnm[] = {
{ efTRX, "-f", NULL, ffREAD },
{ efTPS, NULL, NULL, ffREAD },
{ efNDX, NULL, NULL, ffOPTRD },
{ efSTX, "-r", NULL , ffREAD },
{ efXVG, "-o", "rmss", ffWRITE },
{ efXVG, "-rc", "rescount", ffWRITE},
{ efXVG, "-cr", "countres", ffOPTWR},
{ efTRX, "-ox", "aligned", ffOPTWR }
};
#define NFILE asize(fnm)
CopyRight(stderr,argv[0]);
parse_common_args(&argc,argv,PCA_CAN_TIME | PCA_CAN_VIEW | PCA_TIME_UNIT,
NFILE,fnm, asize(pa),pa, asize(desc),desc,
asize(bugs),bugs,&oenv
);
fnRef=opt2fn("-r",NFILE,fnm);
bTrjout = opt2bSet("-ox",NFILE,fnm);
bCountres= opt2bSet("-cr",NFILE,fnm);
if (bTrjout) {
TrjoutFile = opt2fn_null("-ox",NFILE,fnm);
}
read_tps_conf(ftp2fn(efTPS,NFILE,fnm),title,&top,&ePBC,&xp,NULL,box,FALSE);
gpbc = gmx_rmpbc_init(&top.idef,ePBC,top.atoms.nr,box);
atoms=&(top.atoms);
ftp=fn2ftp(fnRef);
get_stx_coordnum(fnRef,&nratoms);
init_t_atoms(&ratoms,nratoms,TRUE);
snew(xr,nratoms);
read_stx_conf(fnRef,rtitle,&ratoms,xr,NULL,&ePBC,rbox);
if (bVerbose) {
fprintf(stderr,"Read %d atoms\n",atoms->nr);
fprintf(stderr,"Read %d reference atoms\n",ratoms.nr);
}
if (bCountres) {
snew(countres,ratoms.nres);
j=0;
cur_res=0;
for (i=0;i<ratoms.nr;i++) {
prev_res=cur_res;
cur_res=ratoms.atom[i].resind;
if (cur_res != prev_res) {
countres[j].resnr=cur_res;
countres[j].count=0;
j++;
}
}
}
get_index(atoms,ftp2fn_null(efNDX,NFILE,fnm),1,&gnx,&index,&grpnm);
nres=0;
nr0=-1;
for(i=0; (i<gnx); i++) {
if (atoms->atom[index[i]].resind != nr0) {
nr0=atoms->atom[index[i]].resind;
nres++;
}
}
fprintf(stderr,"There are %d residues in your selected group\n",nres);
strcpy(pdbfile,"ddXXXXXX");
gmx_tmpnam(pdbfile);
if ((tmpf = fopen(pdbfile,"w")) == NULL) {
sprintf(pdbfile,"%ctmp%cfilterXXXXXX",DIR_SEPARATOR,DIR_SEPARATOR);
gmx_tmpnam(pdbfile);
if ((tmpf = fopen(pdbfile,"w")) == NULL) {
gmx_fatal(FARGS,"Can not open tmp file %s",pdbfile);
}
}
else {
gmx_ffclose(tmpf);
}
if (ftp != efPDB) {
strcpy(refpdb,"ddXXXXXX");
gmx_tmpnam(refpdb);
strcat(refpdb,".pdb");
write_sto_conf(refpdb,rtitle,&ratoms,xr,NULL,ePBC,rbox);
}
else {
strcpy(refpdb,fnRef);
}
if ((mptr=getenv("MULTIPROT")) == NULL) {
mptr="/usr/local/bin/multiprot";
}
if (!gmx_fexist(mptr)) {
gmx_fatal(FARGS,"MULTIPROT executable (%s) does not exist (use setenv MULTIPROT)",
mptr);
}
sprintf (multiprot,"%s %s %s > /dev/null %s",
mptr, refpdb, pdbfile, "2> /dev/null");
if (bVerbose)
fprintf(stderr,"multiprot cmd='%s'\n",multiprot);
if (!read_first_frame(oenv,&status,ftp2fn(efTRX,NFILE,fnm),&fr,TRX_READ_X))
gmx_fatal(FARGS,"Could not read a frame from %s",ftp2fn(efTRX,NFILE,fnm));
natoms = fr.natoms;
if (bTrjout) {
nout=natoms;
/* open file now */
outftp=fn2ftp(TrjoutFile);
if (bVerbose)
fprintf(stderr,"Will write %s: %s\n",ftp2ext(ftp),ftp2desc(outftp));
strcpy(filemode,"w");
switch (outftp) {
case efXTC:
case efG87:
case efTRR:
case efTRJ:
out=NULL;
trxout = open_trx(TrjoutFile,filemode);
break;
case efGRO:
case efG96:
case efPDB:
/* Make atoms struct for output in GRO or PDB files */
/* get memory for stuff to go in pdb file */
init_t_atoms(&useatoms,nout,FALSE);
sfree(useatoms.resinfo);
useatoms.resinfo=atoms->resinfo;
for(i=0;(i<nout);i++) {
useatoms.atomname[i]=atoms->atomname[i];
useatoms.atom[i]=atoms->atom[i];
useatoms.nres=max(useatoms.nres,useatoms.atom[i].resind+1);
}
useatoms.nr=nout;
out=gmx_ffopen(TrjoutFile,filemode);
break;
}
}
if (natoms > atoms->nr) {
gmx_fatal(FARGS,"\nTrajectory does not match topology!");
}
if (gnx > natoms) {
gmx_fatal(FARGS,"\nTrajectory does not match selected group!");
}
fo = xvgropen(opt2fn("-o",NFILE,fnm),"RMSD","Time (ps)","RMSD (nm)",oenv);
frc = xvgropen(opt2fn("-rc",NFILE,fnm),"Number of Residues in the alignment","Time (ps)","Residues",oenv);
do {
t = output_env_conv_time(oenv,fr.time);
gmx_rmpbc(gpbc,natoms,fr.box,fr.x);
tapein=gmx_ffopen(pdbfile,"w");
write_pdbfile_indexed(tapein,NULL,atoms,fr.x,ePBC,fr.box,' ',-1,gnx,index,NULL,TRUE);
gmx_ffclose(tapein);
system(multiprot);
remove(pdbfile);
process_multiprot_output(fn, &rmsd, &nres2,rotangles,translation,bCountres,countres);
fprintf(fo,"%12.7f",t);
fprintf(fo," %12.7f\n",rmsd);
fprintf(frc,"%12.7f",t);
fprintf(frc,"%12d\n",nres2);
if (bTrjout) {
rotate_conf(natoms,fr.x,NULL,rotangles[XX],rotangles[YY],rotangles[ZZ]);
for(i=0; i<natoms; i++) {
rvec_inc(fr.x[i],translation);
}
switch(outftp) {
case efTRJ:
case efTRR:
case efG87:
case efXTC:
write_trxframe(trxout,&fr,NULL);
break;
case efGRO:
case efG96:
case efPDB:
sprintf(out_title,"Generated by do_multiprot : %s t= %g %s",
title,output_env_conv_time(oenv,fr.time),output_env_get_time_unit(oenv));
switch(outftp) {
case efGRO:
write_hconf_p(out,out_title,&useatoms,prec2ndec(fr.prec),
fr.x,NULL,fr.box);
break;
case efPDB:
fprintf(out,"REMARK GENERATED BY DO_MULTIPROT\n");
sprintf(out_title,"%s t= %g %s",title,output_env_conv_time(oenv,fr.time),output_env_get_time_unit(oenv));
/* if reading from pdb, we want to keep the original
model numbering else we write the output frame
number plus one, because model 0 is not allowed in pdb */
if (ftp==efPDB && fr.step > model_nr) {
model_nr = fr.step;
}
else {
model_nr++;
}
write_pdbfile(out,out_title,&useatoms,fr.x,ePBC,fr.box,' ',model_nr,NULL,TRUE);
break;
case efG96:
fr.title = out_title;
fr.bTitle = (nframe == 0);
fr.bAtoms = FALSE;
fr.bStep = TRUE;
fr.bTime = TRUE;
write_g96_conf(out,&fr,-1,NULL);
}
break;
}
}
nframe++;
} while(read_next_frame(oenv,status,&fr));
if (bCountres) {
fres= xvgropen(opt2fn("-cr",NFILE,fnm),"Number of frames in which the residues are aligned to","Residue","Number",oenv);
for (i=0;i<ratoms.nres;i++) {
fprintf(fres,"%10d %12d\n",countres[i].resnr,countres[i].count);
}
gmx_ffclose(fres);
}
gmx_ffclose(fo);
gmx_ffclose(frc);
fprintf(stderr,"\n");
close_trj(status);
if (trxout != NULL) {
close_trx(trxout);
}
else if (out != NULL) {
gmx_ffclose(out);
}
view_all(oenv,NFILE, fnm);
sfree(xr);
if (bCountres) {
sfree(countres);
}
free_t_atoms(&ratoms,TRUE);
if (bTrjout) {
if (outftp==efPDB || outftp==efGRO || outftp==efG96) {
free_t_atoms(&useatoms,TRUE);
}
}
gmx_thanx(stderr);
return 0;
}
int gmx_covar(int argc,char *argv[])
{
const char *desc[] = {
"[TT]g_covar[tt] calculates and diagonalizes the (mass-weighted)",
"covariance matrix.",
"All structures are fitted to the structure in the structure file.",
"When this is not a run input file periodicity will not be taken into",
"account. When the fit and analysis groups are identical and the analysis",
"is non mass-weighted, the fit will also be non mass-weighted.",
"[PAR]",
"The eigenvectors are written to a trajectory file ([TT]-v[tt]).",
"When the same atoms are used for the fit and the covariance analysis,",
"the reference structure for the fit is written first with t=-1.",
"The average (or reference when [TT]-ref[tt] is used) structure is",
"written with t=0, the eigenvectors",
"are written as frames with the eigenvector number as timestamp.",
"[PAR]",
"The eigenvectors can be analyzed with [TT]g_anaeig[tt].",
"[PAR]",
"Option [TT]-ascii[tt] writes the whole covariance matrix to",
"an ASCII file. The order of the elements is: x1x1, x1y1, x1z1, x1x2, ...",
"[PAR]",
"Option [TT]-xpm[tt] writes the whole covariance matrix to an [TT].xpm[tt] file.",
"[PAR]",
"Option [TT]-xpma[tt] writes the atomic covariance matrix to an [TT].xpm[tt] file,",
"i.e. for each atom pair the sum of the xx, yy and zz covariances is",
"written.",
"[PAR]",
"Note that the diagonalization of a matrix requires memory and time",
"that will increase at least as fast as than the square of the number",
"of atoms involved. It is easy to run out of memory, in which",
"case this tool will probably exit with a 'Segmentation fault'. You",
"should consider carefully whether a reduced set of atoms will meet",
"your needs for lower costs."
};
static gmx_bool bFit=TRUE,bRef=FALSE,bM=FALSE,bPBC=TRUE;
static int end=-1;
t_pargs pa[] = {
{ "-fit", FALSE, etBOOL, {&bFit},
"Fit to a reference structure"},
{ "-ref", FALSE, etBOOL, {&bRef},
"Use the deviation from the conformation in the structure file instead of from the average" },
{ "-mwa", FALSE, etBOOL, {&bM},
"Mass-weighted covariance analysis"},
{ "-last", FALSE, etINT, {&end},
"Last eigenvector to write away (-1 is till the last)" },
{ "-pbc", FALSE, etBOOL, {&bPBC},
"Apply corrections for periodic boundary conditions" }
};
FILE *out;
t_trxstatus *status;
t_trxstatus *trjout;
t_topology top;
int ePBC;
t_atoms *atoms;
rvec *x,*xread,*xref,*xav,*xproj;
matrix box,zerobox;
real *sqrtm,*mat,*eigval,sum,trace,inv_nframes;
real t,tstart,tend,**mat2;
real xj,*w_rls=NULL;
real min,max,*axis;
int ntopatoms,step;
int natoms,nat,count,nframes0,nframes,nlevels;
gmx_large_int_t ndim,i,j,k,l;
int WriteXref;
const char *fitfile,*trxfile,*ndxfile;
const char *eigvalfile,*eigvecfile,*averfile,*logfile;
const char *asciifile,*xpmfile,*xpmafile;
char str[STRLEN],*fitname,*ananame,*pcwd;
int d,dj,nfit;
atom_id *index,*ifit;
gmx_bool bDiffMass1,bDiffMass2;
time_t now;
char timebuf[STRLEN];
t_rgb rlo,rmi,rhi;
real *tmp;
output_env_t oenv;
gmx_rmpbc_t gpbc=NULL;
t_filenm fnm[] = {
{ efTRX, "-f", NULL, ffREAD },
{ efTPS, NULL, NULL, ffREAD },
{ efNDX, NULL, NULL, ffOPTRD },
{ efXVG, NULL, "eigenval", ffWRITE },
{ efTRN, "-v", "eigenvec", ffWRITE },
{ efSTO, "-av", "average.pdb", ffWRITE },
{ efLOG, NULL, "covar", ffWRITE },
{ efDAT, "-ascii","covar", ffOPTWR },
{ efXPM, "-xpm","covar", ffOPTWR },
{ efXPM, "-xpma","covara", ffOPTWR }
};
#define NFILE asize(fnm)
CopyRight(stderr,argv[0]);
parse_common_args(&argc,argv,PCA_CAN_TIME | PCA_TIME_UNIT | PCA_BE_NICE,
NFILE,fnm,asize(pa),pa,asize(desc),desc,0,NULL,&oenv);
clear_mat(zerobox);
fitfile = ftp2fn(efTPS,NFILE,fnm);
trxfile = ftp2fn(efTRX,NFILE,fnm);
ndxfile = ftp2fn_null(efNDX,NFILE,fnm);
eigvalfile = ftp2fn(efXVG,NFILE,fnm);
eigvecfile = ftp2fn(efTRN,NFILE,fnm);
averfile = ftp2fn(efSTO,NFILE,fnm);
logfile = ftp2fn(efLOG,NFILE,fnm);
asciifile = opt2fn_null("-ascii",NFILE,fnm);
xpmfile = opt2fn_null("-xpm",NFILE,fnm);
xpmafile = opt2fn_null("-xpma",NFILE,fnm);
read_tps_conf(fitfile,str,&top,&ePBC,&xref,NULL,box,TRUE);
atoms=&top.atoms;
if (bFit) {
printf("\nChoose a group for the least squares fit\n");
get_index(atoms,ndxfile,1,&nfit,&ifit,&fitname);
if (nfit < 3)
gmx_fatal(FARGS,"Need >= 3 points to fit!\n");
} else
nfit=0;
printf("\nChoose a group for the covariance analysis\n");
get_index(atoms,ndxfile,1,&natoms,&index,&ananame);
bDiffMass1=FALSE;
if (bFit) {
snew(w_rls,atoms->nr);
for(i=0; (i<nfit); i++) {
w_rls[ifit[i]]=atoms->atom[ifit[i]].m;
if (i)
bDiffMass1 = bDiffMass1 || (w_rls[ifit[i]]!=w_rls[ifit[i-1]]);
}
}
bDiffMass2=FALSE;
snew(sqrtm,natoms);
for(i=0; (i<natoms); i++)
if (bM) {
sqrtm[i]=sqrt(atoms->atom[index[i]].m);
if (i)
bDiffMass2 = bDiffMass2 || (sqrtm[i]!=sqrtm[i-1]);
}
else
sqrtm[i]=1.0;
if (bFit && bDiffMass1 && !bDiffMass2) {
bDiffMass1 = natoms != nfit;
i=0;
for (i=0; (i<natoms) && !bDiffMass1; i++)
bDiffMass1 = index[i] != ifit[i];
if (!bDiffMass1) {
fprintf(stderr,"\n"
"Note: the fit and analysis group are identical,\n"
" while the fit is mass weighted and the analysis is not.\n"
" Making the fit non mass weighted.\n\n");
for(i=0; (i<nfit); i++)
w_rls[ifit[i]]=1.0;
}
}
/* Prepare reference frame */
if (bPBC) {
gpbc = gmx_rmpbc_init(&top.idef,ePBC,atoms->nr,box);
gmx_rmpbc(gpbc,atoms->nr,box,xref);
}
if (bFit)
reset_x(nfit,ifit,atoms->nr,NULL,xref,w_rls);
snew(x,natoms);
snew(xav,natoms);
ndim=natoms*DIM;
if (sqrt(GMX_LARGE_INT_MAX)<ndim) {
gmx_fatal(FARGS,"Number of degrees of freedoms to large for matrix.\n");
}
snew(mat,ndim*ndim);
fprintf(stderr,"Calculating the average structure ...\n");
nframes0 = 0;
nat=read_first_x(oenv,&status,trxfile,&t,&xread,box);
if (nat != atoms->nr)
fprintf(stderr,"\nWARNING: number of atoms in tpx (%d) and trajectory (%d) do not match\n",natoms,nat);
do {
nframes0++;
/* calculate x: a fitted struture of the selected atoms */
if (bPBC)
gmx_rmpbc(gpbc,nat,box,xread);
if (bFit) {
reset_x(nfit,ifit,nat,NULL,xread,w_rls);
do_fit(nat,w_rls,xref,xread);
}
for (i=0; i<natoms; i++)
rvec_inc(xav[i],xread[index[i]]);
} while (read_next_x(oenv,status,&t,nat,xread,box));
close_trj(status);
inv_nframes = 1.0/nframes0;
for(i=0; i<natoms; i++)
for(d=0; d<DIM; d++) {
xav[i][d] *= inv_nframes;
xread[index[i]][d] = xav[i][d];
}
write_sto_conf_indexed(opt2fn("-av",NFILE,fnm),"Average structure",
atoms,xread,NULL,epbcNONE,zerobox,natoms,index);
sfree(xread);
fprintf(stderr,"Constructing covariance matrix (%dx%d) ...\n",(int)ndim,(int)ndim);
nframes=0;
nat=read_first_x(oenv,&status,trxfile,&t,&xread,box);
tstart = t;
do {
nframes++;
tend = t;
/* calculate x: a (fitted) structure of the selected atoms */
if (bPBC)
gmx_rmpbc(gpbc,nat,box,xread);
if (bFit) {
reset_x(nfit,ifit,nat,NULL,xread,w_rls);
do_fit(nat,w_rls,xref,xread);
}
if (bRef)
for (i=0; i<natoms; i++)
rvec_sub(xread[index[i]],xref[index[i]],x[i]);
else
for (i=0; i<natoms; i++)
rvec_sub(xread[index[i]],xav[i],x[i]);
for (j=0; j<natoms; j++) {
for (dj=0; dj<DIM; dj++) {
k=ndim*(DIM*j+dj);
xj=x[j][dj];
for (i=j; i<natoms; i++) {
l=k+DIM*i;
for(d=0; d<DIM; d++)
mat[l+d] += x[i][d]*xj;
}
}
}
} while (read_next_x(oenv,status,&t,nat,xread,box) &&
(bRef || nframes < nframes0));
close_trj(status);
gmx_rmpbc_done(gpbc);
fprintf(stderr,"Read %d frames\n",nframes);
if (bRef) {
/* copy the reference structure to the ouput array x */
snew(xproj,natoms);
for (i=0; i<natoms; i++)
copy_rvec(xref[index[i]],xproj[i]);
} else {
xproj = xav;
}
/* correct the covariance matrix for the mass */
inv_nframes = 1.0/nframes;
for (j=0; j<natoms; j++)
for (dj=0; dj<DIM; dj++)
for (i=j; i<natoms; i++) {
k = ndim*(DIM*j+dj)+DIM*i;
for (d=0; d<DIM; d++)
mat[k+d] = mat[k+d]*inv_nframes*sqrtm[i]*sqrtm[j];
}
/* symmetrize the matrix */
for (j=0; j<ndim; j++)
for (i=j; i<ndim; i++)
mat[ndim*i+j]=mat[ndim*j+i];
trace=0;
for(i=0; i<ndim; i++)
trace+=mat[i*ndim+i];
fprintf(stderr,"\nTrace of the covariance matrix: %g (%snm^2)\n",
trace,bM ? "u " : "");
if (asciifile) {
out = ffopen(asciifile,"w");
for (j=0; j<ndim; j++) {
for (i=0; i<ndim; i+=3)
fprintf(out,"%g %g %g\n",
mat[ndim*j+i],mat[ndim*j+i+1],mat[ndim*j+i+2]);
}
ffclose(out);
}
if (xpmfile) {
min = 0;
max = 0;
snew(mat2,ndim);
for (j=0; j<ndim; j++) {
mat2[j] = &(mat[ndim*j]);
for (i=0; i<=j; i++) {
if (mat2[j][i] < min)
min = mat2[j][i];
if (mat2[j][j] > max)
max = mat2[j][i];
}
}
snew(axis,ndim);
for(i=0; i<ndim; i++)
axis[i] = i+1;
rlo.r = 0; rlo.g = 0; rlo.b = 1;
rmi.r = 1; rmi.g = 1; rmi.b = 1;
rhi.r = 1; rhi.g = 0; rhi.b = 0;
out = ffopen(xpmfile,"w");
nlevels = 80;
write_xpm3(out,0,"Covariance",bM ? "u nm^2" : "nm^2",
"dim","dim",ndim,ndim,axis,axis,
mat2,min,0.0,max,rlo,rmi,rhi,&nlevels);
ffclose(out);
sfree(axis);
sfree(mat2);
}
if (xpmafile) {
min = 0;
max = 0;
snew(mat2,ndim/DIM);
for (i=0; i<ndim/DIM; i++)
snew(mat2[i],ndim/DIM);
for (j=0; j<ndim/DIM; j++) {
for (i=0; i<=j; i++) {
mat2[j][i] = 0;
for(d=0; d<DIM; d++)
mat2[j][i] += mat[ndim*(DIM*j+d)+DIM*i+d];
if (mat2[j][i] < min)
min = mat2[j][i];
if (mat2[j][j] > max)
max = mat2[j][i];
mat2[i][j] = mat2[j][i];
}
}
snew(axis,ndim/DIM);
for(i=0; i<ndim/DIM; i++)
axis[i] = i+1;
rlo.r = 0; rlo.g = 0; rlo.b = 1;
rmi.r = 1; rmi.g = 1; rmi.b = 1;
rhi.r = 1; rhi.g = 0; rhi.b = 0;
out = ffopen(xpmafile,"w");
nlevels = 80;
write_xpm3(out,0,"Covariance",bM ? "u nm^2" : "nm^2",
"atom","atom",ndim/DIM,ndim/DIM,axis,axis,
mat2,min,0.0,max,rlo,rmi,rhi,&nlevels);
ffclose(out);
sfree(axis);
for (i=0; i<ndim/DIM; i++)
sfree(mat2[i]);
sfree(mat2);
}
/* call diagonalization routine */
fprintf(stderr,"\nDiagonalizing ...\n");
fflush(stderr);
snew(eigval,ndim);
snew(tmp,ndim*ndim);
memcpy(tmp,mat,ndim*ndim*sizeof(real));
eigensolver(tmp,ndim,0,ndim,eigval,mat);
sfree(tmp);
/* now write the output */
sum=0;
for(i=0; i<ndim; i++)
sum+=eigval[i];
fprintf(stderr,"\nSum of the eigenvalues: %g (%snm^2)\n",
sum,bM ? "u " : "");
if (fabs(trace-sum)>0.01*trace)
fprintf(stderr,"\nWARNING: eigenvalue sum deviates from the trace of the covariance matrix\n");
fprintf(stderr,"\nWriting eigenvalues to %s\n",eigvalfile);
sprintf(str,"(%snm\\S2\\N)",bM ? "u " : "");
out=xvgropen(eigvalfile,
"Eigenvalues of the covariance matrix",
"Eigenvector index",str,oenv);
for (i=0; (i<ndim); i++)
fprintf (out,"%10d %g\n",(int)i+1,eigval[ndim-1-i]);
ffclose(out);
if (end==-1) {
if (nframes-1 < ndim)
end=nframes-1;
else
end=ndim;
}
if (bFit) {
/* misuse lambda: 0/1 mass weighted analysis no/yes */
if (nfit==natoms) {
WriteXref = eWXR_YES;
for(i=0; i<nfit; i++)
copy_rvec(xref[ifit[i]],x[i]);
} else
WriteXref = eWXR_NO;
} else {
/* misuse lambda: -1 for no fit */
WriteXref = eWXR_NOFIT;
}
write_eigenvectors(eigvecfile,natoms,mat,TRUE,1,end,
WriteXref,x,bDiffMass1,xproj,bM,eigval);
out = ffopen(logfile,"w");
time(&now);
gmx_ctime_r(&now,timebuf,STRLEN);
fprintf(out,"Covariance analysis log, written %s\n",timebuf);
fprintf(out,"Program: %s\n",argv[0]);
#if ((defined WIN32 || defined _WIN32 || defined WIN64 || defined _WIN64) && !defined __CYGWIN__ && !defined __CYGWIN32__)
pcwd=_getcwd(str,STRLEN);
#else
pcwd=getcwd(str,STRLEN);
#endif
if(NULL==pcwd)
{
gmx_fatal(FARGS,"Current working directory is undefined");
}
fprintf(out,"Working directory: %s\n\n",str);
fprintf(out,"Read %d frames from %s (time %g to %g %s)\n",nframes,trxfile,
output_env_conv_time(oenv,tstart),output_env_conv_time(oenv,tend),output_env_get_time_unit(oenv));
if (bFit)
fprintf(out,"Read reference structure for fit from %s\n",fitfile);
if (ndxfile)
fprintf(out,"Read index groups from %s\n",ndxfile);
fprintf(out,"\n");
fprintf(out,"Analysis group is '%s' (%d atoms)\n",ananame,natoms);
if (bFit)
fprintf(out,"Fit group is '%s' (%d atoms)\n",fitname,nfit);
else
fprintf(out,"No fit was used\n");
fprintf(out,"Analysis is %smass weighted\n", bDiffMass2 ? "":"non-");
if (bFit)
fprintf(out,"Fit is %smass weighted\n", bDiffMass1 ? "":"non-");
fprintf(out,"Diagonalized the %dx%d covariance matrix\n",(int)ndim,(int)ndim);
fprintf(out,"Trace of the covariance matrix before diagonalizing: %g\n",
trace);
fprintf(out,"Trace of the covariance matrix after diagonalizing: %g\n\n",
sum);
fprintf(out,"Wrote %d eigenvalues to %s\n",(int)ndim,eigvalfile);
if (WriteXref == eWXR_YES)
fprintf(out,"Wrote reference structure to %s\n",eigvecfile);
fprintf(out,"Wrote average structure to %s and %s\n",averfile,eigvecfile);
fprintf(out,"Wrote eigenvectors %d to %d to %s\n",1,end,eigvecfile);
ffclose(out);
fprintf(stderr,"Wrote the log to %s\n",logfile);
thanx(stderr);
return 0;
}
int gmx_bundle(int argc,char *argv[])
{
const char *desc[] = {
"g_bundle analyzes bundles of axes. The axes can be for instance",
"helix axes. The program reads two index groups and divides both",
"of them in [TT]-na[tt] parts. The centers of mass of these parts",
"define the tops and bottoms of the axes.",
"Several quantities are written to file:",
"the axis length, the distance and the z-shift of the axis mid-points",
"with respect to the average center of all axes, the total tilt,",
"the radial tilt and the lateral tilt with respect to the average axis.",
"[PAR]",
"With options [TT]-ok[tt], [TT]-okr[tt] and [TT]-okl[tt] the total,",
"radial and lateral kinks of the axes are plotted. An extra index",
"group of kink atoms is required, which is also divided into [TT]-na[tt]",
"parts. The kink angle is defined as the angle between the kink-top and",
"the bottom-kink vectors.",
"[PAR]",
"With option [TT]-oa[tt] the top, mid (or kink when [TT]-ok[tt] is set)",
"and bottom points of each axis",
"are written to a pdb file each frame. The residue numbers correspond",
"to the axis numbers. When viewing this file with [TT]rasmol[tt], use the",
"command line option [TT]-nmrpdb[tt], and type [TT]set axis true[tt] to",
"display the reference axis."
};
static int n=0;
static gmx_bool bZ=FALSE;
t_pargs pa[] = {
{ "-na", FALSE, etINT, {&n},
"Number of axes" },
{ "-z", FALSE, etBOOL, {&bZ},
"Use the Z-axis as reference iso the average axis" }
};
FILE *out,*flen,*fdist,*fz,*ftilt,*ftiltr,*ftiltl;
FILE *fkink=NULL,*fkinkr=NULL,*fkinkl=NULL;
t_trxstatus *status;
t_trxstatus *fpdb;
t_topology top;
int ePBC;
rvec *xtop;
matrix box;
t_trxframe fr;
t_atoms outatoms;
real t,comp;
int natoms;
char *grpname[MAX_ENDS],title[256];
/* FIXME: The constness should not be cast away */
char *anm=(char *)"CA",*rnm=(char *)"GLY";
int i,j,gnx[MAX_ENDS];
atom_id *index[MAX_ENDS];
t_bundle bun;
gmx_bool bKink;
rvec va,vb,vc,vr,vl;
output_env_t oenv;
gmx_rmpbc_t gpbc=NULL;
#define NLEG asize(leg)
t_filenm fnm[] = {
{ efTRX, "-f", NULL, ffREAD },
{ efTPS, NULL, NULL, ffREAD },
{ efNDX, NULL, NULL, ffOPTRD },
{ efXVG, "-ol", "bun_len", ffWRITE },
{ efXVG, "-od", "bun_dist", ffWRITE },
{ efXVG, "-oz", "bun_z", ffWRITE },
{ efXVG, "-ot", "bun_tilt", ffWRITE },
{ efXVG, "-otr", "bun_tiltr", ffWRITE },
{ efXVG, "-otl", "bun_tiltl", ffWRITE },
{ efXVG, "-ok", "bun_kink", ffOPTWR },
{ efXVG, "-okr", "bun_kinkr", ffOPTWR },
{ efXVG, "-okl", "bun_kinkl", ffOPTWR },
{ efPDB, "-oa", "axes", ffOPTWR }
};
#define NFILE asize(fnm)
CopyRight(stderr,argv[0]);
parse_common_args(&argc,argv,PCA_CAN_TIME | PCA_TIME_UNIT | PCA_BE_NICE,
NFILE,fnm,asize(pa),pa,asize(desc),desc,0,NULL,&oenv);
read_tps_conf(ftp2fn(efTPS,NFILE,fnm),title,&top,&ePBC,&xtop,NULL,box,TRUE);
bKink = opt2bSet("-ok",NFILE,fnm) || opt2bSet("-okr",NFILE,fnm)
|| opt2bSet("-okl",NFILE,fnm);
if (bKink)
bun.nend = 3;
else
bun.nend = 2;
fprintf(stderr,"Select a group of top and a group of bottom ");
if (bKink)
fprintf(stderr,"and a group of kink ");
fprintf(stderr,"atoms\n");
get_index(&top.atoms,ftp2fn_null(efNDX,NFILE,fnm),bun.nend,
gnx,index,grpname);
if (n<=0 || gnx[0] % n || gnx[1] % n || (bKink && gnx[2] % n))
gmx_fatal(FARGS,
"The size of one of your index groups is not a multiple of n");
bun.n = n;
snew(bun.end[0],n);
snew(bun.end[1],n);
if (bKink)
snew(bun.end[2],n);
snew(bun.mid,n);
snew(bun.dir,n);
snew(bun.len,n);
flen = xvgropen(opt2fn("-ol",NFILE,fnm),"Axis lengths",
output_env_get_xvgr_tlabel(oenv),"(nm)",oenv);
fdist = xvgropen(opt2fn("-od",NFILE,fnm),"Distance of axis centers",
output_env_get_xvgr_tlabel(oenv),"(nm)",oenv);
fz = xvgropen(opt2fn("-oz",NFILE,fnm),"Z-shift of axis centers",
output_env_get_xvgr_tlabel(oenv),"(nm)",oenv);
ftilt = xvgropen(opt2fn("-ot",NFILE,fnm),"Axis tilts",
output_env_get_xvgr_tlabel(oenv),"(degrees)",oenv);
ftiltr = xvgropen(opt2fn("-otr",NFILE,fnm),"Radial axis tilts",
output_env_get_xvgr_tlabel(oenv),"(degrees)",oenv);
ftiltl = xvgropen(opt2fn("-otl",NFILE,fnm),"Lateral axis tilts",
output_env_get_xvgr_tlabel(oenv),"(degrees)",oenv);
if (bKink) {
fkink = xvgropen(opt2fn("-ok",NFILE,fnm),"Kink angles",
output_env_get_xvgr_tlabel(oenv),"(degrees)",oenv);
fkinkr = xvgropen(opt2fn("-okr",NFILE,fnm),"Radial kink angles",
output_env_get_xvgr_tlabel(oenv),"(degrees)",oenv);
if (output_env_get_print_xvgr_codes(oenv))
fprintf(fkinkr,"@ subtitle \"+ = ) ( - = ( )\"\n");
fkinkl = xvgropen(opt2fn("-okl",NFILE,fnm),"Lateral kink angles",
output_env_get_xvgr_tlabel(oenv),"(degrees)",oenv);
}
if (opt2bSet("-oa",NFILE,fnm)) {
init_t_atoms(&outatoms,3*n,FALSE);
outatoms.nr = 3*n;
for(i=0; i<3*n; i++) {
outatoms.atomname[i] = &anm;
outatoms.atom[i].resind = i/3;
outatoms.resinfo[i/3].name = &rnm;
outatoms.resinfo[i/3].nr = i/3 + 1;
outatoms.resinfo[i/3].ic = ' ';
}
fpdb = open_trx(opt2fn("-oa",NFILE,fnm),"w");
} else
fpdb = NULL;
read_first_frame(oenv,&status,ftp2fn(efTRX,NFILE,fnm),&fr,TRX_NEED_X);
gpbc = gmx_rmpbc_init(&top.idef,ePBC,fr.natoms,fr.box);
do {
gmx_rmpbc_trxfr(gpbc,&fr);
calc_axes(fr.x,top.atoms.atom,gnx,index,!bZ,&bun);
t = output_env_conv_time(oenv,fr.time);
fprintf(flen," %10g",t);
fprintf(fdist," %10g",t);
fprintf(fz," %10g",t);
fprintf(ftilt," %10g",t);
fprintf(ftiltr," %10g",t);
fprintf(ftiltl," %10g",t);
if (bKink) {
fprintf(fkink," %10g",t);
fprintf(fkinkr," %10g",t);
fprintf(fkinkl," %10g",t);
}
for(i=0; i<bun.n; i++) {
fprintf(flen," %6g",bun.len[i]);
fprintf(fdist," %6g",norm(bun.mid[i]));
fprintf(fz," %6g",bun.mid[i][ZZ]);
fprintf(ftilt," %6g",RAD2DEG*acos(bun.dir[i][ZZ]));
comp = bun.mid[i][XX]*bun.dir[i][XX]+bun.mid[i][YY]*bun.dir[i][YY];
fprintf(ftiltr," %6g",RAD2DEG*
asin(comp/sqrt(sqr(comp)+sqr(bun.dir[i][ZZ]))));
comp = bun.mid[i][YY]*bun.dir[i][XX]-bun.mid[i][XX]*bun.dir[i][YY];
fprintf(ftiltl," %6g",RAD2DEG*
asin(comp/sqrt(sqr(comp)+sqr(bun.dir[i][ZZ]))));
if (bKink) {
rvec_sub(bun.end[0][i],bun.end[2][i],va);
rvec_sub(bun.end[2][i],bun.end[1][i],vb);
unitv_no_table(va,va);
unitv_no_table(vb,vb);
fprintf(fkink," %6g",RAD2DEG*acos(iprod(va,vb)));
cprod(va,vb,vc);
copy_rvec(bun.mid[i],vr);
vr[ZZ] = 0;
unitv_no_table(vr,vr);
fprintf(fkinkr," %6g",RAD2DEG*asin(iprod(vc,vr)));
vl[XX] = vr[YY];
vl[YY] = -vr[XX];
vl[ZZ] = 0;
fprintf(fkinkl," %6g",RAD2DEG*asin(iprod(vc,vl)));
}
}
fprintf(flen,"\n");
fprintf(fdist,"\n");
fprintf(fz,"\n");
fprintf(ftilt,"\n");
fprintf(ftiltr,"\n");
fprintf(ftiltl,"\n");
if (bKink) {
fprintf(fkink,"\n");
fprintf(fkinkr,"\n");
fprintf(fkinkl,"\n");
}
if (fpdb )
dump_axes(fpdb,&fr,&outatoms,&bun);
} while(read_next_frame(oenv,status,&fr));
gmx_rmpbc_done(gpbc);
close_trx(status);
if (fpdb )
close_trx(fpdb);
ffclose(flen);
ffclose(fdist);
ffclose(fz);
ffclose(ftilt);
ffclose(ftiltr);
ffclose(ftiltl);
if (bKink) {
ffclose(fkink);
ffclose(fkinkr);
ffclose(fkinkl);
}
thanx(stderr);
return 0;
}
int gmx_rms(int argc, char *argv[])
{
const char *desc[] =
{
"[THISMODULE] compares two structures by computing the root mean square",
"deviation (RMSD), the size-independent [GRK]rho[grk] similarity parameter",
"([TT]rho[tt]) or the scaled [GRK]rho[grk] ([TT]rhosc[tt]), ",
"see Maiorov & Crippen, Proteins [BB]22[bb], 273 (1995).",
"This is selected by [TT]-what[tt].[PAR]"
"Each structure from a trajectory ([TT]-f[tt]) is compared to a",
"reference structure. The reference structure",
"is taken from the structure file ([TT]-s[tt]).[PAR]",
"With option [TT]-mir[tt] also a comparison with the mirror image of",
"the reference structure is calculated.",
"This is useful as a reference for 'significant' values, see",
"Maiorov & Crippen, Proteins [BB]22[bb], 273 (1995).[PAR]",
"Option [TT]-prev[tt] produces the comparison with a previous frame",
"the specified number of frames ago.[PAR]",
"Option [TT]-m[tt] produces a matrix in [TT].xpm[tt] format of",
"comparison values of each structure in the trajectory with respect to",
"each other structure. This file can be visualized with for instance",
"[TT]xv[tt] and can be converted to postscript with [gmx-xpm2ps].[PAR]",
"Option [TT]-fit[tt] controls the least-squares fitting of",
"the structures on top of each other: complete fit (rotation and",
"translation), translation only, or no fitting at all.[PAR]",
"Option [TT]-mw[tt] controls whether mass weighting is done or not.",
"If you select the option (default) and ",
"supply a valid [TT].tpr[tt] file masses will be taken from there, ",
"otherwise the masses will be deduced from the [TT]atommass.dat[tt] file in",
"[TT]GMXLIB[tt]. This is fine for proteins, but not",
"necessarily for other molecules. A default mass of 12.011 amu (carbon)",
"is assigned to unknown atoms. You can check whether this happend by",
"turning on the [TT]-debug[tt] flag and inspecting the log file.[PAR]",
"With [TT]-f2[tt], the 'other structures' are taken from a second",
"trajectory, this generates a comparison matrix of one trajectory",
"versus the other.[PAR]",
"Option [TT]-bin[tt] does a binary dump of the comparison matrix.[PAR]",
"Option [TT]-bm[tt] produces a matrix of average bond angle deviations",
"analogously to the [TT]-m[tt] option. Only bonds between atoms in the",
"comparison group are considered."
};
static gmx_bool bPBC = TRUE, bFitAll = TRUE, bSplit = FALSE;
static gmx_bool bDeltaLog = FALSE;
static int prev = 0, freq = 1, freq2 = 1, nlevels = 80, avl = 0;
static real rmsd_user_max = -1, rmsd_user_min = -1, bond_user_max = -1,
bond_user_min = -1, delta_maxy = 0.0;
/* strings and things for selecting difference method */
enum
{
ewSel, ewRMSD, ewRho, ewRhoSc, ewNR
};
int ewhat;
const char *what[ewNR + 1] =
{ NULL, "rmsd", "rho", "rhosc", NULL };
const char *whatname[ewNR] =
{ NULL, "RMSD", "Rho", "Rho sc" };
const char *whatlabel[ewNR] =
{ NULL, "RMSD (nm)", "Rho", "Rho sc" };
const char *whatxvgname[ewNR] =
{ NULL, "RMSD", "\\8r\\4", "\\8r\\4\\ssc\\N" };
const char *whatxvglabel[ewNR] =
{ NULL, "RMSD (nm)", "\\8r\\4", "\\8r\\4\\ssc\\N" };
/* strings and things for fitting methods */
enum
{
efSel, efFit, efReset, efNone, efNR
};
int efit;
const char *fit[efNR + 1] =
{ NULL, "rot+trans", "translation", "none", NULL };
const char *fitgraphlabel[efNR + 1] =
{ NULL, "lsq fit", "translational fit", "no fit" };
static int nrms = 1;
static gmx_bool bMassWeighted = TRUE;
t_pargs pa[] =
{
{ "-what", FALSE, etENUM,
{ what }, "Structural difference measure" },
{ "-pbc", FALSE, etBOOL,
{ &bPBC }, "PBC check" },
{ "-fit", FALSE, etENUM,
{ fit }, "Fit to reference structure" },
{ "-prev", FALSE, etINT,
{ &prev }, "Compare with previous frame" },
{ "-split", FALSE, etBOOL,
{ &bSplit }, "Split graph where time is zero" },
{ "-fitall", FALSE, etBOOL,
{ &bFitAll }, "HIDDENFit all pairs of structures in matrix" },
{ "-skip", FALSE, etINT,
{ &freq }, "Only write every nr-th frame to matrix" },
{ "-skip2", FALSE, etINT,
{ &freq2 }, "Only write every nr-th frame to matrix" },
{ "-max", FALSE, etREAL,
{ &rmsd_user_max }, "Maximum level in comparison matrix" },
{ "-min", FALSE, etREAL,
{ &rmsd_user_min }, "Minimum level in comparison matrix" },
{ "-bmax", FALSE, etREAL,
{ &bond_user_max }, "Maximum level in bond angle matrix" },
{ "-bmin", FALSE, etREAL,
{ &bond_user_min }, "Minimum level in bond angle matrix" },
{ "-mw", FALSE, etBOOL,
{ &bMassWeighted }, "Use mass weighting for superposition" },
{ "-nlevels", FALSE, etINT,
{ &nlevels }, "Number of levels in the matrices" },
{ "-ng", FALSE, etINT,
{ &nrms }, "Number of groups to compute RMS between" },
{ "-dlog", FALSE, etBOOL,
{ &bDeltaLog },
"HIDDENUse a log x-axis in the delta t matrix" },
{ "-dmax", FALSE, etREAL,
{ &delta_maxy }, "HIDDENMaximum level in delta matrix" },
{ "-aver", FALSE, etINT,
{ &avl },
"HIDDENAverage over this distance in the RMSD matrix" }
};
int natoms_trx, natoms_trx2, natoms;
int i, j, k, m, teller, teller2, tel_mat, tel_mat2;
#define NFRAME 5000
int maxframe = NFRAME, maxframe2 = NFRAME;
real t, *w_rls, *w_rms, *w_rls_m = NULL, *w_rms_m = NULL;
gmx_bool bNorm, bAv, bFreq2, bFile2, bMat, bBond, bDelta, bMirror, bMass;
gmx_bool bFit, bReset;
t_topology top;
int ePBC;
t_iatom *iatom = NULL;
matrix box;
rvec *x, *xp, *xm = NULL, **mat_x = NULL, **mat_x2, *mat_x2_j = NULL, vec1,
vec2;
t_trxstatus *status;
char buf[256], buf2[256];
int ncons = 0;
FILE *fp;
real rlstot = 0, **rls, **rlsm = NULL, *time, *time2, *rlsnorm = NULL,
**rmsd_mat = NULL, **bond_mat = NULL, *axis, *axis2, *del_xaxis,
*del_yaxis, rmsd_max, rmsd_min, rmsd_avg, bond_max, bond_min, ang;
real **rmsdav_mat = NULL, av_tot, weight, weight_tot;
real **delta = NULL, delta_max, delta_scalex = 0, delta_scaley = 0,
*delta_tot;
int delta_xsize = 0, del_lev = 100, mx, my, abs_my;
gmx_bool bA1, bA2, bPrev, bTop, *bInMat = NULL;
int ifit, *irms, ibond = 0, *ind_bond1 = NULL, *ind_bond2 = NULL, n_ind_m =
0;
atom_id *ind_fit, **ind_rms, *ind_m = NULL, *rev_ind_m = NULL, *ind_rms_m =
NULL;
char *gn_fit, **gn_rms;
t_rgb rlo, rhi;
output_env_t oenv;
gmx_rmpbc_t gpbc = NULL;
t_filenm fnm[] =
{
{ efTPS, NULL, NULL, ffREAD },
{ efTRX, "-f", NULL, ffREAD },
{ efTRX, "-f2", NULL, ffOPTRD },
{ efNDX, NULL, NULL, ffOPTRD },
{ efXVG, NULL, "rmsd", ffWRITE },
{ efXVG, "-mir", "rmsdmir", ffOPTWR },
{ efXVG, "-a", "avgrp", ffOPTWR },
{ efXVG, "-dist", "rmsd-dist", ffOPTWR },
{ efXPM, "-m", "rmsd", ffOPTWR },
{ efDAT, "-bin", "rmsd", ffOPTWR },
{ efXPM, "-bm", "bond", ffOPTWR }
};
#define NFILE asize(fnm)
if (!parse_common_args(&argc, argv, PCA_CAN_TIME | PCA_TIME_UNIT | PCA_CAN_VIEW
| PCA_BE_NICE, NFILE, fnm, asize(pa), pa, asize(desc), desc, 0, NULL,
&oenv))
{
return 0;
}
/* parse enumerated options: */
ewhat = nenum(what);
if (ewhat == ewRho || ewhat == ewRhoSc)
{
please_cite(stdout, "Maiorov95");
}
efit = nenum(fit);
bFit = efit == efFit;
bReset = efit == efReset;
if (bFit)
{
bReset = TRUE; /* for fit, reset *must* be set */
}
else
{
bFitAll = FALSE;
}
/* mark active cmdline options */
bMirror = opt2bSet("-mir", NFILE, fnm); /* calc RMSD vs mirror of ref. */
bFile2 = opt2bSet("-f2", NFILE, fnm);
bMat = opt2bSet("-m", NFILE, fnm);
bBond = opt2bSet("-bm", NFILE, fnm);
bDelta = (delta_maxy > 0); /* calculate rmsd vs delta t matrix from *
* your RMSD matrix (hidden option */
bNorm = opt2bSet("-a", NFILE, fnm);
bFreq2 = opt2parg_bSet("-skip2", asize(pa), pa);
if (freq <= 0)
{
fprintf(stderr, "The number of frames to skip is <= 0. "
"Writing out all frames.\n\n");
freq = 1;
}
if (!bFreq2)
{
freq2 = freq;
}
else if (bFile2 && freq2 <= 0)
{
fprintf(stderr,
"The number of frames to skip in second trajectory is <= 0.\n"
" Writing out all frames.\n\n");
freq2 = 1;
}
bPrev = (prev > 0);
if (bPrev)
{
prev = abs(prev);
if (freq != 1)
{
fprintf(stderr, "WARNING: option -skip also applies to -prev\n");
}
}
if (bFile2 && !bMat && !bBond)
{
fprintf(
stderr,
"WARNING: second trajectory (-f2) useless when not calculating matrix (-m/-bm),\n"
" will not read from %s\n", opt2fn("-f2", NFILE,
fnm));
bFile2 = FALSE;
}
if (bDelta)
{
bMat = TRUE;
if (bFile2)
{
fprintf(stderr,
"WARNING: second trajectory (-f2) useless when making delta matrix,\n"
" will not read from %s\n", opt2fn("-f2",
NFILE, fnm));
bFile2 = FALSE;
}
}
bTop = read_tps_conf(ftp2fn(efTPS, NFILE, fnm), buf, &top, &ePBC, &xp,
NULL, box, TRUE);
snew(w_rls, top.atoms.nr);
snew(w_rms, top.atoms.nr);
if (!bTop && bBond)
{
fprintf(stderr,
"WARNING: Need a run input file for bond angle matrix,\n"
" will not calculate bond angle matrix.\n");
bBond = FALSE;
}
if (bReset)
{
fprintf(stderr, "Select group for %s fit\n", bFit ? "least squares"
: "translational");
get_index(&(top.atoms), ftp2fn_null(efNDX, NFILE, fnm), 1, &ifit,
&ind_fit, &gn_fit);
}
else
{
ifit = 0;
}
if (bReset)
{
if (bFit && ifit < 3)
{
gmx_fatal(FARGS, "Need >= 3 points to fit!\n" );
}
bMass = FALSE;
for (i = 0; i < ifit; i++)
{
if (bMassWeighted)
{
w_rls[ind_fit[i]] = top.atoms.atom[ind_fit[i]].m;
}
else
{
w_rls[ind_fit[i]] = 1;
}
bMass = bMass || (top.atoms.atom[ind_fit[i]].m != 0);
}
if (!bMass)
{
fprintf(stderr, "All masses in the fit group are 0, using masses of 1\n");
for (i = 0; i < ifit; i++)
{
w_rls[ind_fit[i]] = 1;
}
}
}
if (bMat || bBond)
{
nrms = 1;
}
snew(gn_rms, nrms);
snew(ind_rms, nrms);
snew(irms, nrms);
fprintf(stderr, "Select group%s for %s calculation\n",
(nrms > 1) ? "s" : "", whatname[ewhat]);
get_index(&(top.atoms), ftp2fn_null(efNDX, NFILE, fnm),
nrms, irms, ind_rms, gn_rms);
if (bNorm)
{
snew(rlsnorm, irms[0]);
}
snew(rls, nrms);
for (j = 0; j < nrms; j++)
{
snew(rls[j], maxframe);
}
if (bMirror)
{
snew(rlsm, nrms);
for (j = 0; j < nrms; j++)
{
snew(rlsm[j], maxframe);
}
}
snew(time, maxframe);
for (j = 0; j < nrms; j++)
{
bMass = FALSE;
for (i = 0; i < irms[j]; i++)
{
if (bMassWeighted)
{
w_rms[ind_rms[j][i]] = top.atoms.atom[ind_rms[j][i]].m;
}
else
{
w_rms[ind_rms[j][i]] = 1.0;
}
bMass = bMass || (top.atoms.atom[ind_rms[j][i]].m != 0);
}
if (!bMass)
{
fprintf(stderr, "All masses in group %d are 0, using masses of 1\n", j);
for (i = 0; i < irms[j]; i++)
{
w_rms[ind_rms[j][i]] = 1;
}
}
}
/* Prepare reference frame */
if (bPBC)
{
gpbc = gmx_rmpbc_init(&top.idef, ePBC, top.atoms.nr);
gmx_rmpbc(gpbc, top.atoms.nr, box, xp);
}
if (bReset)
{
reset_x(ifit, ind_fit, top.atoms.nr, NULL, xp, w_rls);
}
if (bMirror)
{
/* generate reference structure mirror image: */
snew(xm, top.atoms.nr);
for (i = 0; i < top.atoms.nr; i++)
{
copy_rvec(xp[i], xm[i]);
xm[i][XX] = -xm[i][XX];
}
}
if (ewhat == ewRhoSc)
{
norm_princ(&top.atoms, ifit, ind_fit, top.atoms.nr, xp);
}
/* read first frame */
natoms_trx = read_first_x(oenv, &status, opt2fn("-f", NFILE, fnm), &t, &x, box);
if (natoms_trx != top.atoms.nr)
{
fprintf(stderr,
"\nWARNING: topology has %d atoms, whereas trajectory has %d\n",
top.atoms.nr, natoms_trx);
}
natoms = min(top.atoms.nr, natoms_trx);
if (bMat || bBond || bPrev)
{
snew(mat_x, NFRAME);
if (bPrev)
{
/* With -prev we use all atoms for simplicity */
n_ind_m = natoms;
}
else
{
/* Check which atoms we need (fit/rms) */
snew(bInMat, natoms);
for (i = 0; i < ifit; i++)
{
bInMat[ind_fit[i]] = TRUE;
}
n_ind_m = ifit;
for (i = 0; i < irms[0]; i++)
{
if (!bInMat[ind_rms[0][i]])
{
bInMat[ind_rms[0][i]] = TRUE;
n_ind_m++;
}
}
}
/* Make an index of needed atoms */
snew(ind_m, n_ind_m);
snew(rev_ind_m, natoms);
j = 0;
for (i = 0; i < natoms; i++)
{
if (bPrev || bInMat[i])
{
ind_m[j] = i;
rev_ind_m[i] = j;
j++;
}
}
snew(w_rls_m, n_ind_m);
snew(ind_rms_m, irms[0]);
snew(w_rms_m, n_ind_m);
for (i = 0; i < ifit; i++)
{
w_rls_m[rev_ind_m[ind_fit[i]]] = w_rls[ind_fit[i]];
}
for (i = 0; i < irms[0]; i++)
{
ind_rms_m[i] = rev_ind_m[ind_rms[0][i]];
w_rms_m[ind_rms_m[i]] = w_rms[ind_rms[0][i]];
}
sfree(bInMat);
}
if (bBond)
{
ncons = 0;
for (k = 0; k < F_NRE; k++)
{
if (IS_CHEMBOND(k))
{
iatom = top.idef.il[k].iatoms;
ncons += top.idef.il[k].nr/3;
}
}
fprintf(stderr, "Found %d bonds in topology\n", ncons);
snew(ind_bond1, ncons);
snew(ind_bond2, ncons);
ibond = 0;
for (k = 0; k < F_NRE; k++)
{
if (IS_CHEMBOND(k))
{
iatom = top.idef.il[k].iatoms;
ncons = top.idef.il[k].nr/3;
for (i = 0; i < ncons; i++)
{
bA1 = FALSE;
bA2 = FALSE;
for (j = 0; j < irms[0]; j++)
{
if (iatom[3*i+1] == ind_rms[0][j])
{
bA1 = TRUE;
}
if (iatom[3*i+2] == ind_rms[0][j])
{
bA2 = TRUE;
}
}
if (bA1 && bA2)
{
ind_bond1[ibond] = rev_ind_m[iatom[3*i+1]];
ind_bond2[ibond] = rev_ind_m[iatom[3*i+2]];
ibond++;
}
}
}
}
fprintf(stderr, "Using %d bonds for bond angle matrix\n", ibond);
if (ibond == 0)
{
gmx_fatal(FARGS, "0 bonds found");
}
}
/* start looping over frames: */
tel_mat = 0;
teller = 0;
do
{
if (bPBC)
{
gmx_rmpbc(gpbc, natoms, box, x);
}
if (bReset)
{
reset_x(ifit, ind_fit, natoms, NULL, x, w_rls);
}
if (ewhat == ewRhoSc)
{
norm_princ(&top.atoms, ifit, ind_fit, natoms, x);
}
if (bFit)
{
/*do the least squares fit to original structure*/
do_fit(natoms, w_rls, xp, x);
}
if (teller % freq == 0)
{
/* keep frame for matrix calculation */
if (bMat || bBond || bPrev)
{
if (tel_mat >= NFRAME)
{
srenew(mat_x, tel_mat+1);
}
snew(mat_x[tel_mat], n_ind_m);
for (i = 0; i < n_ind_m; i++)
{
copy_rvec(x[ind_m[i]], mat_x[tel_mat][i]);
}
}
tel_mat++;
}
/*calculate energy of root_least_squares*/
if (bPrev)
{
j = tel_mat-prev-1;
if (j < 0)
{
j = 0;
}
for (i = 0; i < n_ind_m; i++)
{
copy_rvec(mat_x[j][i], xp[ind_m[i]]);
}
if (bReset)
{
reset_x(ifit, ind_fit, natoms, NULL, xp, w_rls);
}
if (bFit)
{
do_fit(natoms, w_rls, x, xp);
}
}
for (j = 0; (j < nrms); j++)
{
rls[j][teller] =
calc_similar_ind(ewhat != ewRMSD, irms[j], ind_rms[j], w_rms, x, xp);
}
if (bNorm)
{
for (j = 0; (j < irms[0]); j++)
{
rlsnorm[j] +=
calc_similar_ind(ewhat != ewRMSD, 1, &(ind_rms[0][j]), w_rms, x, xp);
}
}
if (bMirror)
{
if (bFit)
{
/*do the least squares fit to mirror of original structure*/
do_fit(natoms, w_rls, xm, x);
}
for (j = 0; j < nrms; j++)
{
rlsm[j][teller] =
calc_similar_ind(ewhat != ewRMSD, irms[j], ind_rms[j], w_rms, x, xm);
}
}
time[teller] = output_env_conv_time(oenv, t);
teller++;
if (teller >= maxframe)
{
maxframe += NFRAME;
srenew(time, maxframe);
for (j = 0; (j < nrms); j++)
{
srenew(rls[j], maxframe);
}
if (bMirror)
{
for (j = 0; (j < nrms); j++)
{
srenew(rlsm[j], maxframe);
}
}
}
}
while (read_next_x(oenv, status, &t, x, box));
close_trj(status);
if (bFile2)
{
snew(time2, maxframe2);
fprintf(stderr, "\nWill read second trajectory file\n");
snew(mat_x2, NFRAME);
natoms_trx2 =
read_first_x(oenv, &status, opt2fn("-f2", NFILE, fnm), &t, &x, box);
if (natoms_trx2 != natoms_trx)
{
gmx_fatal(FARGS,
"Second trajectory (%d atoms) does not match the first one"
" (%d atoms)", natoms_trx2, natoms_trx);
}
tel_mat2 = 0;
teller2 = 0;
do
{
if (bPBC)
{
gmx_rmpbc(gpbc, natoms, box, x);
}
if (bReset)
{
reset_x(ifit, ind_fit, natoms, NULL, x, w_rls);
}
if (ewhat == ewRhoSc)
{
norm_princ(&top.atoms, ifit, ind_fit, natoms, x);
}
if (bFit)
{
/*do the least squares fit to original structure*/
do_fit(natoms, w_rls, xp, x);
}
if (teller2 % freq2 == 0)
{
/* keep frame for matrix calculation */
if (bMat)
{
if (tel_mat2 >= NFRAME)
{
srenew(mat_x2, tel_mat2+1);
}
snew(mat_x2[tel_mat2], n_ind_m);
for (i = 0; i < n_ind_m; i++)
{
copy_rvec(x[ind_m[i]], mat_x2[tel_mat2][i]);
}
}
tel_mat2++;
}
time2[teller2] = output_env_conv_time(oenv, t);
teller2++;
if (teller2 >= maxframe2)
{
maxframe2 += NFRAME;
srenew(time2, maxframe2);
}
}
while (read_next_x(oenv, status, &t, x, box));
close_trj(status);
}
else
{
mat_x2 = mat_x;
time2 = time;
tel_mat2 = tel_mat;
freq2 = freq;
}
gmx_rmpbc_done(gpbc);
if (bMat || bBond)
{
/* calculate RMS matrix */
fprintf(stderr, "\n");
if (bMat)
{
fprintf(stderr, "Building %s matrix, %dx%d elements\n",
whatname[ewhat], tel_mat, tel_mat2);
snew(rmsd_mat, tel_mat);
}
if (bBond)
{
fprintf(stderr, "Building bond angle matrix, %dx%d elements\n",
tel_mat, tel_mat2);
snew(bond_mat, tel_mat);
}
snew(axis, tel_mat);
snew(axis2, tel_mat2);
rmsd_max = 0;
if (bFile2)
{
rmsd_min = 1e10;
}
else
{
rmsd_min = 0;
}
rmsd_avg = 0;
bond_max = 0;
bond_min = 1e10;
for (j = 0; j < tel_mat2; j++)
{
axis2[j] = time2[freq2*j];
}
if (bDelta)
{
if (bDeltaLog)
{
delta_scalex = 8.0/log(2.0);
delta_xsize = (int)(log(tel_mat/2)*delta_scalex+0.5)+1;
}
else
{
delta_xsize = tel_mat/2;
}
delta_scaley = 1.0/delta_maxy;
snew(delta, delta_xsize);
for (j = 0; j < delta_xsize; j++)
{
snew(delta[j], del_lev+1);
}
if (avl > 0)
{
snew(rmsdav_mat, tel_mat);
for (j = 0; j < tel_mat; j++)
{
snew(rmsdav_mat[j], tel_mat);
}
}
}
if (bFitAll)
{
snew(mat_x2_j, natoms);
}
for (i = 0; i < tel_mat; i++)
{
axis[i] = time[freq*i];
fprintf(stderr, "\r element %5d; time %5.2f ", i, axis[i]);
if (bMat)
{
snew(rmsd_mat[i], tel_mat2);
}
if (bBond)
{
snew(bond_mat[i], tel_mat2);
}
for (j = 0; j < tel_mat2; j++)
{
if (bFitAll)
{
for (k = 0; k < n_ind_m; k++)
{
copy_rvec(mat_x2[j][k], mat_x2_j[k]);
}
do_fit(n_ind_m, w_rls_m, mat_x[i], mat_x2_j);
}
else
{
mat_x2_j = mat_x2[j];
}
if (bMat)
{
if (bFile2 || (i < j))
{
rmsd_mat[i][j] =
calc_similar_ind(ewhat != ewRMSD, irms[0], ind_rms_m,
w_rms_m, mat_x[i], mat_x2_j);
if (rmsd_mat[i][j] > rmsd_max)
{
rmsd_max = rmsd_mat[i][j];
}
if (rmsd_mat[i][j] < rmsd_min)
{
rmsd_min = rmsd_mat[i][j];
}
rmsd_avg += rmsd_mat[i][j];
}
else
{
rmsd_mat[i][j] = rmsd_mat[j][i];
}
}
if (bBond)
{
if (bFile2 || (i <= j))
{
ang = 0.0;
for (m = 0; m < ibond; m++)
{
rvec_sub(mat_x[i][ind_bond1[m]], mat_x[i][ind_bond2[m]], vec1);
rvec_sub(mat_x2_j[ind_bond1[m]], mat_x2_j[ind_bond2[m]], vec2);
ang += acos(cos_angle(vec1, vec2));
}
bond_mat[i][j] = ang*180.0/(M_PI*ibond);
if (bond_mat[i][j] > bond_max)
{
bond_max = bond_mat[i][j];
}
if (bond_mat[i][j] < bond_min)
{
bond_min = bond_mat[i][j];
}
}
else
{
bond_mat[i][j] = bond_mat[j][i];
}
}
}
}
if (bFile2)
{
rmsd_avg /= tel_mat*tel_mat2;
}
else
{
rmsd_avg /= tel_mat*(tel_mat - 1)/2;
}
if (bMat && (avl > 0))
{
rmsd_max = 0.0;
rmsd_min = 0.0;
rmsd_avg = 0.0;
for (j = 0; j < tel_mat-1; j++)
{
for (i = j+1; i < tel_mat; i++)
{
av_tot = 0;
weight_tot = 0;
for (my = -avl; my <= avl; my++)
{
if ((j+my >= 0) && (j+my < tel_mat))
{
abs_my = abs(my);
for (mx = -avl; mx <= avl; mx++)
{
if ((i+mx >= 0) && (i+mx < tel_mat))
{
weight = (real)(avl+1-max(abs(mx), abs_my));
av_tot += weight*rmsd_mat[i+mx][j+my];
weight_tot += weight;
}
}
}
}
rmsdav_mat[i][j] = av_tot/weight_tot;
rmsdav_mat[j][i] = rmsdav_mat[i][j];
if (rmsdav_mat[i][j] > rmsd_max)
{
rmsd_max = rmsdav_mat[i][j];
}
}
}
rmsd_mat = rmsdav_mat;
}
if (bMat)
{
fprintf(stderr, "\n%s: Min %f, Max %f, Avg %f\n",
whatname[ewhat], rmsd_min, rmsd_max, rmsd_avg);
rlo.r = 1; rlo.g = 1; rlo.b = 1;
rhi.r = 0; rhi.g = 0; rhi.b = 0;
if (rmsd_user_max != -1)
{
rmsd_max = rmsd_user_max;
}
if (rmsd_user_min != -1)
{
rmsd_min = rmsd_user_min;
}
if ((rmsd_user_max != -1) || (rmsd_user_min != -1))
{
fprintf(stderr, "Min and Max value set to resp. %f and %f\n",
rmsd_min, rmsd_max);
}
sprintf(buf, "%s %s matrix", gn_rms[0], whatname[ewhat]);
write_xpm(opt2FILE("-m", NFILE, fnm, "w"), 0, buf, whatlabel[ewhat],
output_env_get_time_label(oenv), output_env_get_time_label(oenv), tel_mat, tel_mat2,
axis, axis2, rmsd_mat, rmsd_min, rmsd_max, rlo, rhi, &nlevels);
/* Print the distribution of RMSD values */
if (opt2bSet("-dist", NFILE, fnm))
{
low_rmsd_dist(opt2fn("-dist", NFILE, fnm), rmsd_max, tel_mat, rmsd_mat, oenv);
}
if (bDelta)
{
snew(delta_tot, delta_xsize);
for (j = 0; j < tel_mat-1; j++)
{
for (i = j+1; i < tel_mat; i++)
{
mx = i-j;
if (mx < tel_mat/2)
{
if (bDeltaLog)
{
mx = (int)(log(mx)*delta_scalex+0.5);
}
my = (int)(rmsd_mat[i][j]*delta_scaley*del_lev+0.5);
delta_tot[mx] += 1.0;
if ((rmsd_mat[i][j] >= 0) && (rmsd_mat[i][j] <= delta_maxy))
{
delta[mx][my] += 1.0;
}
}
}
}
delta_max = 0;
for (i = 0; i < delta_xsize; i++)
{
if (delta_tot[i] > 0.0)
{
delta_tot[i] = 1.0/delta_tot[i];
for (j = 0; j <= del_lev; j++)
{
delta[i][j] *= delta_tot[i];
if (delta[i][j] > delta_max)
{
delta_max = delta[i][j];
}
}
}
}
fprintf(stderr, "Maximum in delta matrix: %f\n", delta_max);
snew(del_xaxis, delta_xsize);
snew(del_yaxis, del_lev+1);
for (i = 0; i < delta_xsize; i++)
{
del_xaxis[i] = axis[i]-axis[0];
}
for (i = 0; i < del_lev+1; i++)
{
del_yaxis[i] = delta_maxy*i/del_lev;
}
sprintf(buf, "%s %s vs. delta t", gn_rms[0], whatname[ewhat]);
fp = gmx_ffopen("delta.xpm", "w");
write_xpm(fp, 0, buf, "density", output_env_get_time_label(oenv), whatlabel[ewhat],
delta_xsize, del_lev+1, del_xaxis, del_yaxis,
delta, 0.0, delta_max, rlo, rhi, &nlevels);
gmx_ffclose(fp);
}
if (opt2bSet("-bin", NFILE, fnm))
{
/* NB: File must be binary if we use fwrite */
fp = ftp2FILE(efDAT, NFILE, fnm, "wb");
for (i = 0; i < tel_mat; i++)
{
if (fwrite(rmsd_mat[i], sizeof(**rmsd_mat), tel_mat2, fp) != tel_mat2)
{
gmx_fatal(FARGS, "Error writing to output file");
}
}
gmx_ffclose(fp);
}
}
if (bBond)
{
fprintf(stderr, "\nMin. angle: %f, Max. angle: %f\n", bond_min, bond_max);
if (bond_user_max != -1)
{
bond_max = bond_user_max;
}
if (bond_user_min != -1)
{
bond_min = bond_user_min;
}
if ((bond_user_max != -1) || (bond_user_min != -1))
{
fprintf(stderr, "Bond angle Min and Max set to:\n"
"Min. angle: %f, Max. angle: %f\n", bond_min, bond_max);
}
rlo.r = 1; rlo.g = 1; rlo.b = 1;
rhi.r = 0; rhi.g = 0; rhi.b = 0;
sprintf(buf, "%s av. bond angle deviation", gn_rms[0]);
write_xpm(opt2FILE("-bm", NFILE, fnm, "w"), 0, buf, "degrees",
output_env_get_time_label(oenv), output_env_get_time_label(oenv), tel_mat, tel_mat2,
axis, axis2, bond_mat, bond_min, bond_max, rlo, rhi, &nlevels);
}
}
bAv = opt2bSet("-a", NFILE, fnm);
/* Write the RMSD's to file */
if (!bPrev)
{
sprintf(buf, "%s", whatxvgname[ewhat]);
}
else
{
sprintf(buf, "%s with frame %g %s ago", whatxvgname[ewhat],
time[prev*freq]-time[0], output_env_get_time_label(oenv));
}
fp = xvgropen(opt2fn("-o", NFILE, fnm), buf, output_env_get_xvgr_tlabel(oenv),
whatxvglabel[ewhat], oenv);
if (output_env_get_print_xvgr_codes(oenv))
{
fprintf(fp, "@ subtitle \"%s%s after %s%s%s\"\n",
(nrms == 1) ? "" : "of ", gn_rms[0], fitgraphlabel[efit],
bFit ? " to " : "", bFit ? gn_fit : "");
}
if (nrms != 1)
{
xvgr_legend(fp, nrms, (const char**)gn_rms, oenv);
}
for (i = 0; (i < teller); i++)
{
if (bSplit && i > 0 &&
abs(time[bPrev ? freq*i : i]/output_env_get_time_factor(oenv)) < 1e-5)
{
fprintf(fp, "&\n");
}
fprintf(fp, "%12.7f", time[bPrev ? freq*i : i]);
for (j = 0; (j < nrms); j++)
{
fprintf(fp, " %12.7f", rls[j][i]);
if (bAv)
{
rlstot += rls[j][i];
}
}
fprintf(fp, "\n");
}
gmx_ffclose(fp);
if (bMirror)
{
/* Write the mirror RMSD's to file */
sprintf(buf, "%s with Mirror", whatxvgname[ewhat]);
sprintf(buf2, "Mirror %s", whatxvglabel[ewhat]);
fp = xvgropen(opt2fn("-mir", NFILE, fnm), buf, output_env_get_xvgr_tlabel(oenv),
buf2, oenv);
if (nrms == 1)
{
if (output_env_get_print_xvgr_codes(oenv))
{
fprintf(fp, "@ subtitle \"of %s after lsq fit to mirror of %s\"\n",
gn_rms[0], gn_fit);
}
}
else
{
if (output_env_get_print_xvgr_codes(oenv))
{
fprintf(fp, "@ subtitle \"after lsq fit to mirror %s\"\n", gn_fit);
}
xvgr_legend(fp, nrms, (const char**)gn_rms, oenv);
}
for (i = 0; (i < teller); i++)
{
if (bSplit && i > 0 && abs(time[i]) < 1e-5)
{
fprintf(fp, "&\n");
}
fprintf(fp, "%12.7f", time[i]);
for (j = 0; (j < nrms); j++)
{
fprintf(fp, " %12.7f", rlsm[j][i]);
}
fprintf(fp, "\n");
}
gmx_ffclose(fp);
}
if (bAv)
{
sprintf(buf, "Average %s", whatxvgname[ewhat]);
sprintf(buf2, "Average %s", whatxvglabel[ewhat]);
fp = xvgropen(opt2fn("-a", NFILE, fnm), buf, "Residue", buf2, oenv);
for (j = 0; (j < nrms); j++)
{
fprintf(fp, "%10d %10g\n", j, rlstot/teller);
}
gmx_ffclose(fp);
}
if (bNorm)
{
fp = xvgropen("aver.xvg", gn_rms[0], "Residue", whatxvglabel[ewhat], oenv);
for (j = 0; (j < irms[0]); j++)
{
fprintf(fp, "%10d %10g\n", j, rlsnorm[j]/teller);
}
gmx_ffclose(fp);
}
do_view(oenv, opt2fn_null("-a", NFILE, fnm), "-graphtype bar");
do_view(oenv, opt2fn("-o", NFILE, fnm), NULL);
do_view(oenv, opt2fn_null("-mir", NFILE, fnm), NULL);
do_view(oenv, opt2fn_null("-m", NFILE, fnm), NULL);
do_view(oenv, opt2fn_null("-bm", NFILE, fnm), NULL);
do_view(oenv, opt2fn_null("-dist", NFILE, fnm), NULL);
return 0;
}
int gmx_do_dssp(int argc, char *argv[])
{
const char *desc[] = {
"[THISMODULE] ",
"reads a trajectory file and computes the secondary structure for",
"each time frame ",
"calling the dssp program. If you do not have the dssp program,",
"get it from http://swift.cmbi.ru.nl/gv/dssp. [THISMODULE] assumes ",
"that the dssp executable is located in ",
"[TT]/usr/local/bin/dssp[tt]. If this is not the case, then you should",
"set an environment variable [TT]DSSP[tt] pointing to the dssp",
"executable, e.g.: [PAR]",
"[TT]setenv DSSP /opt/dssp/bin/dssp[tt][PAR]",
"Since version 2.0.0, dssp is invoked with a syntax that differs",
"from earlier versions. If you have an older version of dssp,",
"use the [TT]-ver[tt] option to direct do_dssp to use the older syntax.",
"By default, do_dssp uses the syntax introduced with version 2.0.0.",
"Even newer versions (which at the time of writing are not yet released)",
"are assumed to have the same syntax as 2.0.0.[PAR]",
"The structure assignment for each residue and time is written to an",
"[TT].xpm[tt] matrix file. This file can be visualized with for instance",
"[TT]xv[tt] and can be converted to postscript with [TT]xpm2ps[tt].",
"Individual chains are separated by light grey lines in the [TT].xpm[tt] and",
"postscript files.",
"The number of residues with each secondary structure type and the",
"total secondary structure ([TT]-sss[tt]) count as a function of",
"time are also written to file ([TT]-sc[tt]).[PAR]",
"Solvent accessible surface (SAS) per residue can be calculated, both in",
"absolute values (A^2) and in fractions of the maximal accessible",
"surface of a residue. The maximal accessible surface is defined as",
"the accessible surface of a residue in a chain of glycines.",
"[BB]Note[bb] that the program [gmx-sas] can also compute SAS",
"and that is more efficient.[PAR]",
"Finally, this program can dump the secondary structure in a special file",
"[TT]ssdump.dat[tt] for usage in the program [gmx-chi]. Together",
"these two programs can be used to analyze dihedral properties as a",
"function of secondary structure type."
};
static gmx_bool bVerbose;
static const char *ss_string = "HEBT";
static int dsspVersion = 2;
t_pargs pa[] = {
{ "-v", FALSE, etBOOL, {&bVerbose},
"HIDDENGenerate miles of useless information" },
{ "-sss", FALSE, etSTR, {&ss_string},
"Secondary structures for structure count"},
{ "-ver", FALSE, etINT, {&dsspVersion},
"DSSP major version. Syntax changed with version 2"}
};
t_trxstatus *status;
FILE *tapein;
FILE *ss, *acc, *fTArea, *tmpf;
const char *fnSCount, *fnArea, *fnTArea, *fnAArea;
const char *leg[] = { "Phobic", "Phylic" };
t_topology top;
int ePBC;
t_atoms *atoms;
t_matrix mat;
int nres, nr0, naccr, nres_plus_separators;
gmx_bool *bPhbres, bDoAccSurf;
real t;
int i, j, natoms, nframe = 0;
matrix box = {{0}};
int gnx;
char *grpnm, *ss_str;
atom_id *index;
rvec *xp, *x;
int *average_area;
real **accr, *accr_ptr = NULL, *av_area, *norm_av_area;
char pdbfile[32], tmpfile[32], title[256];
char dssp[256];
const char *dptr;
output_env_t oenv;
gmx_rmpbc_t gpbc = NULL;
t_filenm fnm[] = {
{ efTRX, "-f", NULL, ffREAD },
{ efTPS, NULL, NULL, ffREAD },
{ efNDX, NULL, NULL, ffOPTRD },
{ efDAT, "-ssdump", "ssdump", ffOPTWR },
{ efMAP, "-map", "ss", ffLIBRD },
{ efXPM, "-o", "ss", ffWRITE },
{ efXVG, "-sc", "scount", ffWRITE },
{ efXPM, "-a", "area", ffOPTWR },
{ efXVG, "-ta", "totarea", ffOPTWR },
{ efXVG, "-aa", "averarea", ffOPTWR }
};
#define NFILE asize(fnm)
if (!parse_common_args(&argc, argv,
PCA_CAN_TIME | PCA_CAN_VIEW | PCA_TIME_UNIT,
NFILE, fnm, asize(pa), pa, asize(desc), desc, 0, NULL, &oenv))
{
return 0;
}
fnSCount = opt2fn("-sc", NFILE, fnm);
fnArea = opt2fn_null("-a", NFILE, fnm);
fnTArea = opt2fn_null("-ta", NFILE, fnm);
fnAArea = opt2fn_null("-aa", NFILE, fnm);
bDoAccSurf = (fnArea || fnTArea || fnAArea);
read_tps_conf(ftp2fn(efTPS, NFILE, fnm), title, &top, &ePBC, &xp, NULL, box, FALSE);
atoms = &(top.atoms);
check_oo(atoms);
bPhbres = bPhobics(atoms);
get_index(atoms, ftp2fn_null(efNDX, NFILE, fnm), 1, &gnx, &index, &grpnm);
nres = 0;
nr0 = -1;
for (i = 0; (i < gnx); i++)
{
if (atoms->atom[index[i]].resind != nr0)
{
nr0 = atoms->atom[index[i]].resind;
nres++;
}
}
fprintf(stderr, "There are %d residues in your selected group\n", nres);
strcpy(pdbfile, "ddXXXXXX");
gmx_tmpnam(pdbfile);
if ((tmpf = fopen(pdbfile, "w")) == NULL)
{
sprintf(pdbfile, "%ctmp%cfilterXXXXXX", DIR_SEPARATOR, DIR_SEPARATOR);
gmx_tmpnam(pdbfile);
if ((tmpf = fopen(pdbfile, "w")) == NULL)
{
gmx_fatal(FARGS, "Can not open tmp file %s", pdbfile);
}
}
else
{
fclose(tmpf);
}
strcpy(tmpfile, "ddXXXXXX");
gmx_tmpnam(tmpfile);
if ((tmpf = fopen(tmpfile, "w")) == NULL)
{
sprintf(tmpfile, "%ctmp%cfilterXXXXXX", DIR_SEPARATOR, DIR_SEPARATOR);
gmx_tmpnam(tmpfile);
if ((tmpf = fopen(tmpfile, "w")) == NULL)
{
gmx_fatal(FARGS, "Can not open tmp file %s", tmpfile);
}
}
else
{
fclose(tmpf);
}
if ((dptr = getenv("DSSP")) == NULL)
{
dptr = "/usr/local/bin/dssp";
}
if (!gmx_fexist(dptr))
{
gmx_fatal(FARGS, "DSSP executable (%s) does not exist (use setenv DSSP)",
dptr);
}
if (dsspVersion >= 2)
{
if (dsspVersion > 2)
{
printf("\nWARNING: You use DSSP version %d, which is not explicitly\nsupported by do_dssp. Assuming version 2 syntax.\n\n", dsspVersion);
}
sprintf(dssp, "%s -i %s -o %s > /dev/null %s",
dptr, pdbfile, tmpfile, bVerbose ? "" : "2> /dev/null");
}
else
{
sprintf(dssp, "%s %s %s %s > /dev/null %s",
dptr, bDoAccSurf ? "" : "-na", pdbfile, tmpfile, bVerbose ? "" : "2> /dev/null");
}
fprintf(stderr, "dssp cmd='%s'\n", dssp);
if (fnTArea)
{
fTArea = xvgropen(fnTArea, "Solvent Accessible Surface Area",
output_env_get_xvgr_tlabel(oenv), "Area (nm\\S2\\N)", oenv);
xvgr_legend(fTArea, 2, leg, oenv);
}
else
{
fTArea = NULL;
}
mat.map = NULL;
mat.nmap = readcmap(opt2fn("-map", NFILE, fnm), &(mat.map));
natoms = read_first_x(oenv, &status, ftp2fn(efTRX, NFILE, fnm), &t, &x, box);
if (natoms > atoms->nr)
{
gmx_fatal(FARGS, "\nTrajectory does not match topology!");
}
if (gnx > natoms)
{
gmx_fatal(FARGS, "\nTrajectory does not match selected group!");
}
snew(average_area, atoms->nres);
snew(av_area, atoms->nres);
snew(norm_av_area, atoms->nres);
accr = NULL;
naccr = 0;
gpbc = gmx_rmpbc_init(&top.idef, ePBC, natoms);
do
{
t = output_env_conv_time(oenv, t);
if (bDoAccSurf && nframe >= naccr)
{
naccr += 10;
srenew(accr, naccr);
for (i = naccr-10; i < naccr; i++)
{
snew(accr[i], 2*atoms->nres-1);
}
}
gmx_rmpbc(gpbc, natoms, box, x);
tapein = gmx_ffopen(pdbfile, "w");
write_pdbfile_indexed(tapein, NULL, atoms, x, ePBC, box, ' ', -1, gnx, index, NULL, TRUE);
gmx_ffclose(tapein);
if (0 != system(dssp))
{
gmx_fatal(FARGS, "Failed to execute command: %s\n",
"Try specifying your dssp version with the -ver option.", dssp);
}
/* strip_dssp returns the number of lines found in the dssp file, i.e.
* the number of residues plus the separator lines */
if (bDoAccSurf)
{
accr_ptr = accr[nframe];
}
nres_plus_separators = strip_dssp(tmpfile, nres, bPhbres, t,
accr_ptr, fTArea, &mat, average_area, oenv);
remove(tmpfile);
remove(pdbfile);
nframe++;
}
while (read_next_x(oenv, status, &t, x, box));
fprintf(stderr, "\n");
close_trj(status);
if (fTArea)
{
xvgrclose(fTArea);
}
gmx_rmpbc_done(gpbc);
prune_ss_legend(&mat);
ss = opt2FILE("-o", NFILE, fnm, "w");
mat.flags = 0;
write_xpm_m(ss, mat);
gmx_ffclose(ss);
if (opt2bSet("-ssdump", NFILE, fnm))
{
ss = opt2FILE("-ssdump", NFILE, fnm, "w");
snew(ss_str, nres+1);
fprintf(ss, "%d\n", nres);
for (j = 0; j < mat.nx; j++)
{
for (i = 0; (i < mat.ny); i++)
{
ss_str[i] = mat.map[mat.matrix[j][i]].code.c1;
}
ss_str[i] = '\0';
fprintf(ss, "%s\n", ss_str);
}
gmx_ffclose(ss);
sfree(ss_str);
}
analyse_ss(fnSCount, &mat, ss_string, oenv);
if (bDoAccSurf)
{
write_sas_mat(fnArea, accr, nframe, nres_plus_separators, &mat);
for (i = 0; i < atoms->nres; i++)
{
av_area[i] = (average_area[i] / (real)nframe);
}
norm_acc(atoms, nres, av_area, norm_av_area);
if (fnAArea)
{
acc = xvgropen(fnAArea, "Average Accessible Area",
"Residue", "A\\S2", oenv);
for (i = 0; (i < nres); i++)
{
fprintf(acc, "%5d %10g %10g\n", i+1, av_area[i], norm_av_area[i]);
}
xvgrclose(acc);
}
}
view_all(oenv, NFILE, fnm);
return 0;
}
int gmx_traj(int argc, char *argv[])
{
const char *desc[] = {
"[THISMODULE] plots coordinates, velocities, forces and/or the box.",
"With [TT]-com[tt] the coordinates, velocities and forces are",
"calculated for the center of mass of each group.",
"When [TT]-mol[tt] is set, the numbers in the index file are",
"interpreted as molecule numbers and the same procedure as with",
"[TT]-com[tt] is used for each molecule.[PAR]",
"Option [TT]-ot[tt] plots the temperature of each group,",
"provided velocities are present in the trajectory file.",
"No corrections are made for constrained degrees of freedom!",
"This implies [TT]-com[tt].[PAR]",
"Options [TT]-ekt[tt] and [TT]-ekr[tt] plot the translational and",
"rotational kinetic energy of each group,",
"provided velocities are present in the trajectory file.",
"This implies [TT]-com[tt].[PAR]",
"Options [TT]-cv[tt] and [TT]-cf[tt] write the average velocities",
"and average forces as temperature factors to a [REF].pdb[ref] file with",
"the average coordinates or the coordinates at [TT]-ctime[tt].",
"The temperature factors are scaled such that the maximum is 10.",
"The scaling can be changed with the option [TT]-scale[tt].",
"To get the velocities or forces of one",
"frame set both [TT]-b[tt] and [TT]-e[tt] to the time of",
"desired frame. When averaging over frames you might need to use",
"the [TT]-nojump[tt] option to obtain the correct average coordinates.",
"If you select either of these option the average force and velocity",
"for each atom are written to an [REF].xvg[ref] file as well",
"(specified with [TT]-av[tt] or [TT]-af[tt]).[PAR]",
"Option [TT]-vd[tt] computes a velocity distribution, i.e. the",
"norm of the vector is plotted. In addition in the same graph",
"the kinetic energy distribution is given."
};
static gmx_bool bMol = FALSE, bCom = FALSE, bPBC = TRUE, bNoJump = FALSE;
static gmx_bool bX = TRUE, bY = TRUE, bZ = TRUE, bNorm = FALSE, bFP = FALSE;
static int ngroups = 1;
static real ctime = -1, scale = 0, binwidth = 1;
t_pargs pa[] = {
{ "-com", FALSE, etBOOL, {&bCom},
"Plot data for the com of each group" },
{ "-pbc", FALSE, etBOOL, {&bPBC},
"Make molecules whole for COM" },
{ "-mol", FALSE, etBOOL, {&bMol},
"Index contains molecule numbers iso atom numbers" },
{ "-nojump", FALSE, etBOOL, {&bNoJump},
"Remove jumps of atoms across the box" },
{ "-x", FALSE, etBOOL, {&bX},
"Plot X-component" },
{ "-y", FALSE, etBOOL, {&bY},
"Plot Y-component" },
{ "-z", FALSE, etBOOL, {&bZ},
"Plot Z-component" },
{ "-ng", FALSE, etINT, {&ngroups},
"Number of groups to consider" },
{ "-len", FALSE, etBOOL, {&bNorm},
"Plot vector length" },
{ "-fp", FALSE, etBOOL, {&bFP},
"Full precision output" },
{ "-bin", FALSE, etREAL, {&binwidth},
"Binwidth for velocity histogram (nm/ps)" },
{ "-ctime", FALSE, etREAL, {&ctime},
"Use frame at this time for x in [TT]-cv[tt] and [TT]-cf[tt] instead of the average x" },
{ "-scale", FALSE, etREAL, {&scale},
"Scale factor for [REF].pdb[ref] output, 0 is autoscale" }
};
FILE *outx = NULL, *outv = NULL, *outf = NULL, *outb = NULL, *outt = NULL;
FILE *outekt = NULL, *outekr = NULL;
t_topology top;
int ePBC;
real *mass, time;
const char *indexfn;
t_trxframe fr, frout;
int flags, nvhisto = 0, *vhisto = NULL;
rvec *xtop, *xp = NULL;
rvec *sumx = NULL, *sumv = NULL, *sumf = NULL;
matrix topbox;
t_trxstatus *status;
t_trxstatus *status_out = NULL;
gmx_rmpbc_t gpbc = NULL;
int i, j;
int nr_xfr, nr_vfr, nr_ffr;
char **grpname;
int *isize0, *isize;
int **index0, **index;
int *atndx;
t_block *mols;
gmx_bool bTop, bOX, bOXT, bOV, bOF, bOB, bOT, bEKT, bEKR, bCV, bCF;
gmx_bool bDim[4], bDum[4], bVD;
char sffmt[STRLEN], sffmt6[STRLEN];
const char *box_leg[6] = { "XX", "YY", "ZZ", "YX", "ZX", "ZY" };
gmx_output_env_t *oenv;
t_filenm fnm[] = {
{ efTRX, "-f", NULL, ffREAD },
{ efTPS, NULL, NULL, ffREAD },
{ efNDX, NULL, NULL, ffOPTRD },
{ efXVG, "-ox", "coord", ffOPTWR },
{ efTRX, "-oxt", "coord", ffOPTWR },
{ efXVG, "-ov", "veloc", ffOPTWR },
{ efXVG, "-of", "force", ffOPTWR },
{ efXVG, "-ob", "box", ffOPTWR },
{ efXVG, "-ot", "temp", ffOPTWR },
{ efXVG, "-ekt", "ektrans", ffOPTWR },
{ efXVG, "-ekr", "ekrot", ffOPTWR },
{ efXVG, "-vd", "veldist", ffOPTWR },
{ efPDB, "-cv", "veloc", ffOPTWR },
{ efPDB, "-cf", "force", ffOPTWR },
{ efXVG, "-av", "all_veloc", ffOPTWR },
{ efXVG, "-af", "all_force", ffOPTWR }
};
#define NFILE asize(fnm)
if (!parse_common_args(&argc, argv,
PCA_CAN_TIME | PCA_TIME_UNIT | PCA_CAN_VIEW,
NFILE, fnm, asize(pa), pa, asize(desc), desc, 0, NULL, &oenv))
{
return 0;
}
if (bMol)
{
fprintf(stderr, "Interpreting indexfile entries as molecules.\n"
"Using center of mass.\n");
}
bOX = opt2bSet("-ox", NFILE, fnm);
bOXT = opt2bSet("-oxt", NFILE, fnm);
bOV = opt2bSet("-ov", NFILE, fnm);
bOF = opt2bSet("-of", NFILE, fnm);
bOB = opt2bSet("-ob", NFILE, fnm);
bOT = opt2bSet("-ot", NFILE, fnm);
bEKT = opt2bSet("-ekt", NFILE, fnm);
bEKR = opt2bSet("-ekr", NFILE, fnm);
bCV = opt2bSet("-cv", NFILE, fnm) || opt2bSet("-av", NFILE, fnm);
bCF = opt2bSet("-cf", NFILE, fnm) || opt2bSet("-af", NFILE, fnm);
bVD = opt2bSet("-vd", NFILE, fnm) || opt2parg_bSet("-bin", asize(pa), pa);
if (bMol || bOT || bEKT || bEKR)
{
bCom = TRUE;
}
bDim[XX] = bX;
bDim[YY] = bY;
bDim[ZZ] = bZ;
bDim[DIM] = bNorm;
if (bFP)
{
sprintf(sffmt, "\t%s", gmx_real_fullprecision_pfmt);
}
else
{
sprintf(sffmt, "\t%%g");
}
sprintf(sffmt6, "%s%s%s%s%s%s", sffmt, sffmt, sffmt, sffmt, sffmt, sffmt);
bTop = read_tps_conf(ftp2fn(efTPS, NFILE, fnm), &top, &ePBC,
&xtop, NULL, topbox,
bCom && (bOX || bOXT || bOV || bOT || bEKT || bEKR));
sfree(xtop);
if ((bMol || bCV || bCF) && !bTop)
{
gmx_fatal(FARGS, "Need a run input file for option -mol, -cv or -cf");
}
if (bMol)
{
indexfn = ftp2fn(efNDX, NFILE, fnm);
}
else
{
indexfn = ftp2fn_null(efNDX, NFILE, fnm);
}
if (!(bCom && !bMol))
{
ngroups = 1;
}
snew(grpname, ngroups);
snew(isize0, ngroups);
snew(index0, ngroups);
get_index(&(top.atoms), indexfn, ngroups, isize0, index0, grpname);
if (bMol)
{
mols = &(top.mols);
atndx = mols->index;
ngroups = isize0[0];
snew(isize, ngroups);
snew(index, ngroups);
for (i = 0; i < ngroups; i++)
{
if (index0[0][i] < 0 || index0[0][i] >= mols->nr)
{
gmx_fatal(FARGS, "Molecule index (%d) is out of range (%d-%d)",
index0[0][i]+1, 1, mols->nr);
}
isize[i] = atndx[index0[0][i]+1] - atndx[index0[0][i]];
snew(index[i], isize[i]);
for (j = 0; j < isize[i]; j++)
{
index[i][j] = atndx[index0[0][i]] + j;
}
}
}
else
{
isize = isize0;
index = index0;
}
if (bCom)
{
snew(mass, top.atoms.nr);
for (i = 0; i < top.atoms.nr; i++)
{
mass[i] = top.atoms.atom[i].m;
}
}
else
{
mass = NULL;
}
flags = 0;
if (bOX)
{
flags = flags | TRX_READ_X;
outx = xvgropen(opt2fn("-ox", NFILE, fnm),
bCom ? "Center of mass" : "Coordinate",
output_env_get_xvgr_tlabel(oenv), "Coordinate (nm)", oenv);
make_legend(outx, ngroups, isize0[0], index0[0], grpname, bCom, bMol, bDim, oenv);
}
if (bOXT)
{
flags = flags | TRX_READ_X;
status_out = open_trx(opt2fn("-oxt", NFILE, fnm), "w");
}
if (bOV)
{
flags = flags | TRX_READ_V;
outv = xvgropen(opt2fn("-ov", NFILE, fnm),
bCom ? "Center of mass velocity" : "Velocity",
output_env_get_xvgr_tlabel(oenv), "Velocity (nm/ps)", oenv);
make_legend(outv, ngroups, isize0[0], index0[0], grpname, bCom, bMol, bDim, oenv);
}
if (bOF)
{
flags = flags | TRX_READ_F;
outf = xvgropen(opt2fn("-of", NFILE, fnm), "Force",
output_env_get_xvgr_tlabel(oenv), "Force (kJ mol\\S-1\\N nm\\S-1\\N)",
oenv);
make_legend(outf, ngroups, isize0[0], index0[0], grpname, bCom, bMol, bDim, oenv);
}
if (bOB)
{
outb = xvgropen(opt2fn("-ob", NFILE, fnm), "Box vector elements",
output_env_get_xvgr_tlabel(oenv), "(nm)", oenv);
xvgr_legend(outb, 6, box_leg, oenv);
}
if (bOT)
{
bDum[XX] = FALSE;
bDum[YY] = FALSE;
bDum[ZZ] = FALSE;
bDum[DIM] = TRUE;
flags = flags | TRX_READ_V;
outt = xvgropen(opt2fn("-ot", NFILE, fnm), "Temperature",
output_env_get_xvgr_tlabel(oenv), "(K)", oenv);
make_legend(outt, ngroups, isize[0], index[0], grpname, bCom, bMol, bDum, oenv);
}
if (bEKT)
{
bDum[XX] = FALSE;
bDum[YY] = FALSE;
bDum[ZZ] = FALSE;
bDum[DIM] = TRUE;
flags = flags | TRX_READ_V;
outekt = xvgropen(opt2fn("-ekt", NFILE, fnm), "Center of mass translation",
output_env_get_xvgr_tlabel(oenv), "Energy (kJ mol\\S-1\\N)", oenv);
make_legend(outekt, ngroups, isize[0], index[0], grpname, bCom, bMol, bDum, oenv);
}
if (bEKR)
{
bDum[XX] = FALSE;
bDum[YY] = FALSE;
bDum[ZZ] = FALSE;
bDum[DIM] = TRUE;
flags = flags | TRX_READ_X | TRX_READ_V;
outekr = xvgropen(opt2fn("-ekr", NFILE, fnm), "Center of mass rotation",
output_env_get_xvgr_tlabel(oenv), "Energy (kJ mol\\S-1\\N)", oenv);
make_legend(outekr, ngroups, isize[0], index[0], grpname, bCom, bMol, bDum, oenv);
}
if (bVD)
{
flags = flags | TRX_READ_V;
}
if (bCV)
{
flags = flags | TRX_READ_X | TRX_READ_V;
}
if (bCF)
{
flags = flags | TRX_READ_X | TRX_READ_F;
}
if ((flags == 0) && !bOB)
{
fprintf(stderr, "Please select one or more output file options\n");
exit(0);
}
read_first_frame(oenv, &status, ftp2fn(efTRX, NFILE, fnm), &fr, flags);
if ((bOV || bOF) && fn2ftp(ftp2fn(efTRX, NFILE, fnm)) == efXTC)
{
gmx_fatal(FARGS, "Cannot extract velocities or forces since your input XTC file does not contain them.");
}
if (bCV || bCF)
{
snew(sumx, fr.natoms);
}
if (bCV)
{
snew(sumv, fr.natoms);
}
if (bCF)
{
snew(sumf, fr.natoms);
}
nr_xfr = 0;
nr_vfr = 0;
nr_ffr = 0;
if (bCom && bPBC)
{
gpbc = gmx_rmpbc_init(&top.idef, ePBC, fr.natoms);
}
do
{
time = output_env_conv_time(oenv, fr.time);
if (fr.bX && bNoJump && fr.bBox)
{
if (xp)
{
remove_jump(fr.box, fr.natoms, xp, fr.x);
}
else
{
snew(xp, fr.natoms);
}
for (i = 0; i < fr.natoms; i++)
{
copy_rvec(fr.x[i], xp[i]);
}
}
if (fr.bX && bCom && bPBC)
{
gmx_rmpbc_trxfr(gpbc, &fr);
}
if (bVD && fr.bV)
{
update_histo(isize[0], index[0], fr.v, &nvhisto, &vhisto, binwidth);
}
if (bOX && fr.bX)
{
print_data(outx, time, fr.x, mass, bCom, ngroups, isize, index, bDim, sffmt);
}
if (bOXT && fr.bX)
{
frout = fr;
if (!frout.bAtoms)
{
frout.atoms = &top.atoms;
frout.bAtoms = TRUE;
}
write_trx_x(status_out, &frout, mass, bCom, ngroups, isize, index);
}
if (bOV && fr.bV)
{
print_data(outv, time, fr.v, mass, bCom, ngroups, isize, index, bDim, sffmt);
}
if (bOF && fr.bF)
{
print_data(outf, time, fr.f, NULL, bCom, ngroups, isize, index, bDim, sffmt);
}
if (bOB && fr.bBox)
{
fprintf(outb, "\t%g", fr.time);
fprintf(outb, sffmt6,
fr.box[XX][XX], fr.box[YY][YY], fr.box[ZZ][ZZ],
fr.box[YY][XX], fr.box[ZZ][XX], fr.box[ZZ][YY]);
fprintf(outb, "\n");
}
if (bOT && fr.bV)
{
fprintf(outt, " %g", time);
for (i = 0; i < ngroups; i++)
{
fprintf(outt, sffmt, temp(fr.v, mass, isize[i], index[i]));
}
fprintf(outt, "\n");
}
if (bEKT && fr.bV)
{
fprintf(outekt, " %g", time);
for (i = 0; i < ngroups; i++)
{
fprintf(outekt, sffmt, ektrans(fr.v, mass, isize[i], index[i]));
}
fprintf(outekt, "\n");
}
if (bEKR && fr.bX && fr.bV)
{
fprintf(outekr, " %g", time);
for (i = 0; i < ngroups; i++)
{
fprintf(outekr, sffmt, ekrot(fr.x, fr.v, mass, isize[i], index[i]));
}
fprintf(outekr, "\n");
}
if ((bCV || bCF) && fr.bX &&
(ctime < 0 || (fr.time >= ctime*0.999999 &&
fr.time <= ctime*1.000001)))
{
for (i = 0; i < fr.natoms; i++)
{
rvec_inc(sumx[i], fr.x[i]);
}
nr_xfr++;
}
if (bCV && fr.bV)
{
for (i = 0; i < fr.natoms; i++)
{
rvec_inc(sumv[i], fr.v[i]);
}
nr_vfr++;
}
if (bCF && fr.bF)
{
for (i = 0; i < fr.natoms; i++)
{
rvec_inc(sumf[i], fr.f[i]);
}
nr_ffr++;
}
}
while (read_next_frame(oenv, status, &fr));
if (gpbc != NULL)
{
gmx_rmpbc_done(gpbc);
}
/* clean up a bit */
close_trj(status);
if (bOX)
{
xvgrclose(outx);
}
if (bOXT)
{
close_trx(status_out);
}
if (bOV)
{
xvgrclose(outv);
}
if (bOF)
{
xvgrclose(outf);
}
if (bOB)
{
xvgrclose(outb);
}
if (bOT)
{
xvgrclose(outt);
}
if (bEKT)
{
xvgrclose(outekt);
}
if (bEKR)
{
xvgrclose(outekr);
}
if (bVD)
{
print_histo(opt2fn("-vd", NFILE, fnm), nvhisto, vhisto, binwidth, oenv);
}
if (bCV || bCF)
{
if (nr_xfr > 1)
{
if (ePBC != epbcNONE && !bNoJump)
{
fprintf(stderr, "\nWARNING: More than one frame was used for option -cv or -cf\n"
"If atoms jump across the box you should use the -nojump or -ctime option\n\n");
}
for (i = 0; i < isize[0]; i++)
{
svmul(1.0/nr_xfr, sumx[index[0][i]], sumx[index[0][i]]);
}
}
else if (nr_xfr == 0)
{
fprintf(stderr, "\nWARNING: No coordinate frames found for option -cv or -cf\n\n");
}
}
if (bCV)
{
write_pdb_bfac(opt2fn("-cv", NFILE, fnm),
opt2fn("-av", NFILE, fnm), "average velocity", &(top.atoms),
ePBC, topbox, isize[0], index[0], nr_xfr, sumx,
nr_vfr, sumv, bDim, scale, oenv);
}
if (bCF)
{
write_pdb_bfac(opt2fn("-cf", NFILE, fnm),
opt2fn("-af", NFILE, fnm), "average force", &(top.atoms),
ePBC, topbox, isize[0], index[0], nr_xfr, sumx,
nr_ffr, sumf, bDim, scale, oenv);
}
/* view it */
view_all(oenv, NFILE, fnm);
return 0;
}
/* this is the main loop for the correlation type functions
* fx and nx are file pointers to things like read_first_x and
* read_next_x
*/
int corr_loop(t_corr *curr, const char *fn, t_topology *top, int ePBC,
gmx_bool bMol, int gnx[], atom_id *index[],
t_calc_func *calc1, gmx_bool bTen, int *gnx_com, atom_id *index_com[],
real dt, real t_pdb, rvec **x_pdb, matrix box_pdb,
const output_env_t oenv)
{
rvec *x[2]; /* the coordinates to read */
rvec *xa[2]; /* the coordinates to calculate displacements for */
rvec com = {0};
real t, t_prev = 0;
int natoms, i, j, cur = 0, maxframes = 0;
t_trxstatus *status;
#define prev (1-cur)
matrix box;
gmx_bool bFirst;
gmx_rmpbc_t gpbc = NULL;
natoms = read_first_x(oenv, &status, fn, &curr->t0, &(x[cur]), box);
#ifdef DEBUG
fprintf(stderr, "Read %d atoms for first frame\n", natoms);
#endif
if ((gnx_com != NULL) && natoms < top->atoms.nr)
{
fprintf(stderr, "WARNING: The trajectory only contains part of the system (%d of %d atoms) and therefore the COM motion of only this part of the system will be removed\n", natoms, top->atoms.nr);
}
snew(x[prev], natoms);
if (bMol)
{
curr->ncoords = curr->nmol;
snew(xa[0], curr->ncoords);
snew(xa[1], curr->ncoords);
}
else
{
curr->ncoords = natoms;
xa[0] = x[0];
xa[1] = x[1];
}
bFirst = TRUE;
t = curr->t0;
if (x_pdb)
{
*x_pdb = NULL;
}
if (bMol)
{
gpbc = gmx_rmpbc_init(&top->idef, ePBC, natoms);
}
/* the loop over all frames */
do
{
if (x_pdb && ((bFirst && t_pdb < t) ||
(!bFirst &&
t_pdb > t - 0.5*(t - t_prev) &&
t_pdb < t + 0.5*(t - t_prev))))
{
if (*x_pdb == NULL)
{
snew(*x_pdb, natoms);
}
for (i = 0; i < natoms; i++)
{
copy_rvec(x[cur][i], (*x_pdb)[i]);
}
copy_mat(box, box_pdb);
}
/* check whether we've reached a restart point */
if (bRmod(t, curr->t0, dt))
{
curr->nrestart++;
srenew(curr->x0, curr->nrestart);
snew(curr->x0[curr->nrestart-1], curr->ncoords);
srenew(curr->com, curr->nrestart);
srenew(curr->n_offs, curr->nrestart);
srenew(curr->lsq, curr->nrestart);
snew(curr->lsq[curr->nrestart-1], curr->nmol);
for (i = 0; i < curr->nmol; i++)
{
curr->lsq[curr->nrestart-1][i] = gmx_stats_init();
}
if (debug)
{
fprintf(debug, "Extended data structures because of new restart %d\n",
curr->nrestart);
}
}
/* create or extend the frame-based arrays */
if (curr->nframes >= maxframes-1)
{
if (maxframes == 0)
{
for (i = 0; (i < curr->ngrp); i++)
{
curr->ndata[i] = NULL;
curr->data[i] = NULL;
if (bTen)
{
curr->datam[i] = NULL;
}
}
curr->time = NULL;
}
maxframes += 10;
for (i = 0; (i < curr->ngrp); i++)
{
srenew(curr->ndata[i], maxframes);
srenew(curr->data[i], maxframes);
if (bTen)
{
srenew(curr->datam[i], maxframes);
}
for (j = maxframes-10; j < maxframes; j++)
{
curr->ndata[i][j] = 0;
curr->data[i][j] = 0;
if (bTen)
{
clear_mat(curr->datam[i][j]);
}
}
}
srenew(curr->time, maxframes);
}
/* set the time */
curr->time[curr->nframes] = t - curr->t0;
/* for the first frame, the previous frame is a copy of the first frame */
if (bFirst)
{
std::memcpy(xa[prev], xa[cur], curr->ncoords*sizeof(xa[prev][0]));
bFirst = FALSE;
}
/* make the molecules whole */
if (bMol)
{
gmx_rmpbc(gpbc, natoms, box, x[cur]);
}
/* calculate the molecules' centers of masses and put them into xa */
if (bMol)
{
calc_mol_com(gnx[0], index[0], &top->mols, &top->atoms, x[cur], xa[cur]);
}
/* first remove the periodic boundary condition crossings */
for (i = 0; i < curr->ngrp; i++)
{
prep_data(bMol, gnx[i], index[i], xa[cur], xa[prev], box);
}
/* calculate the center of mass */
if (gnx_com)
{
prep_data(bMol, gnx_com[0], index_com[0], xa[cur], xa[prev], box);
calc_com(bMol, gnx_com[0], index_com[0], xa[cur], xa[prev], box,
&top->atoms, com);
}
/* loop over all groups in index file */
for (i = 0; (i < curr->ngrp); i++)
{
/* calculate something useful, like mean square displacements */
calc_corr(curr, i, gnx[i], index[i], xa[cur], (gnx_com != NULL), com,
calc1, bTen);
}
cur = prev;
t_prev = t;
curr->nframes++;
}
while (read_next_x(oenv, status, &t, x[cur], box));
fprintf(stderr, "\nUsed %d restart points spaced %g %s over %g %s\n\n",
curr->nrestart,
output_env_conv_time(oenv, dt), output_env_get_time_unit(oenv),
output_env_conv_time(oenv, curr->time[curr->nframes-1]),
output_env_get_time_unit(oenv) );
if (bMol)
{
gmx_rmpbc_done(gpbc);
}
close_trj(status);
return natoms;
}
int gmx_trjcat(int argc, char *argv[])
{
const char *desc[] =
{
"[THISMODULE] concatenates several input trajectory files in sorted order. ",
"In case of double time frames the one in the later file is used. ",
"By specifying [TT]-settime[tt] you will be asked for the start time ",
"of each file. The input files are taken from the command line, ",
"such that a command like [TT]gmx trjcat -f *.trr -o fixed.trr[tt] should do ",
"the trick. Using [TT]-cat[tt], you can simply paste several files ",
"together without removal of frames with identical time stamps.[PAR]",
"One important option is inferred when the output file is amongst the",
"input files. In that case that particular file will be appended to",
"which implies you do not need to store double the amount of data.",
"Obviously the file to append to has to be the one with lowest starting",
"time since one can only append at the end of a file.[PAR]",
"If the [TT]-demux[tt] option is given, the N trajectories that are",
"read, are written in another order as specified in the [REF].xvg[ref] file.",
"The [REF].xvg[ref] file should contain something like::",
"",
" 0 0 1 2 3 4 5",
" 2 1 0 2 3 5 4",
"",
"The first number is the time, and subsequent numbers point to",
"trajectory indices.",
"The frames corresponding to the numbers present at the first line",
"are collected into the output trajectory. If the number of frames in",
"the trajectory does not match that in the [REF].xvg[ref] file then the program",
"tries to be smart. Beware."
};
static gmx_bool bCat = FALSE;
static gmx_bool bSort = TRUE;
static gmx_bool bKeepLast = FALSE;
static gmx_bool bKeepLastAppend = FALSE;
static gmx_bool bOverwrite = FALSE;
static gmx_bool bSetTime = FALSE;
static gmx_bool bDeMux;
static real begin = -1;
static real end = -1;
static real dt = 0;
t_pargs
pa[] =
{
{ "-b", FALSE, etTIME,
{ &begin }, "First time to use (%t)" },
{ "-e", FALSE, etTIME,
{ &end }, "Last time to use (%t)" },
{ "-dt", FALSE, etTIME,
{ &dt }, "Only write frame when t MOD dt = first time (%t)" },
{ "-settime", FALSE, etBOOL,
{ &bSetTime }, "Change starting time interactively" },
{ "-sort", FALSE, etBOOL,
{ &bSort }, "Sort trajectory files (not frames)" },
{ "-keeplast", FALSE, etBOOL,
{ &bKeepLast }, "Keep overlapping frames at end of trajectory" },
{ "-overwrite", FALSE, etBOOL,
{ &bOverwrite }, "Overwrite overlapping frames during appending" },
{ "-cat", FALSE, etBOOL,
{ &bCat }, "Do not discard double time frames" }
};
#define npargs asize(pa)
int ftpin, i, frame, frame_out;
t_trxstatus *status, *trxout = nullptr;
real t_corr;
t_trxframe fr, frout;
int n_append;
gmx_bool bNewFile, bIndex, bWrite;
int *cont_type;
real *readtime, *timest, *settime;
real first_time = 0, lasttime = 0, last_ok_t = -1, timestep;
gmx_bool lastTimeSet = FALSE;
real last_frame_time, searchtime;
int isize = 0, j;
int *index = nullptr, imax;
char *grpname;
real **val = nullptr, *t = nullptr, dt_remd;
int n, nset, ftpout = -1, prevEndStep = 0, filetype;
gmx_off_t fpos;
gmx_output_env_t *oenv;
t_filenm fnm[] =
{
{ efTRX, "-f", nullptr, ffRDMULT },
{ efTRO, "-o", nullptr, ffWRMULT },
{ efNDX, "-n", "index", ffOPTRD },
{ efXVG, "-demux", "remd", ffOPTRD }
};
#define NFILE asize(fnm)
if (!parse_common_args(&argc, argv, PCA_TIME_UNIT, NFILE, fnm,
asize(pa), pa, asize(desc), desc, 0, nullptr, &oenv))
{
return 0;
}
fprintf(stdout, "Note that major changes are planned in future for "
"trjcat, to improve usability and utility.");
auto timeUnit = output_env_get_time_unit(oenv);
bIndex = ftp2bSet(efNDX, NFILE, fnm);
bDeMux = ftp2bSet(efXVG, NFILE, fnm);
bSort = bSort && !bDeMux;
imax = -1;
if (bIndex)
{
printf("Select group for output\n");
rd_index(ftp2fn(efNDX, NFILE, fnm), 1, &isize, &index, &grpname);
/* scan index */
imax = index[0];
for (i = 1; i < isize; i++)
{
imax = std::max(imax, index[i]);
}
}
if (bDeMux)
{
nset = 0;
dt_remd = 0;
val = read_xvg_time(opt2fn("-demux", NFILE, fnm), TRUE,
opt2parg_bSet("-b", npargs, pa), begin,
opt2parg_bSet("-e", npargs, pa), end, 1, &nset, &n,
&dt_remd, &t);
printf("Read %d sets of %d points, dt = %g\n\n", nset, n, dt_remd);
if (debug)
{
fprintf(debug, "Dump of replica_index.xvg\n");
for (i = 0; (i < n); i++)
{
fprintf(debug, "%10g", t[i]);
for (j = 0; (j < nset); j++)
{
fprintf(debug, " %3d", static_cast<int>(std::round(val[j][i])));
}
fprintf(debug, "\n");
}
}
}
gmx::ArrayRef<const std::string> inFiles = opt2fns("-f", NFILE, fnm);
if (inFiles.empty())
{
gmx_fatal(FARGS, "No input files!" );
}
if (bDeMux && ssize(inFiles) != nset)
{
gmx_fatal(FARGS, "You have specified %td files and %d entries in the demux table", inFiles.ssize(), nset);
}
ftpin = fn2ftp(inFiles[0].c_str());
if (ftpin != efTRR && ftpin != efXTC && ftpin != efTNG)
{
gmx_fatal(FARGS, "gmx trjcat can only handle binary trajectory formats (trr, xtc, tng)");
}
for (const std::string &inFile : inFiles)
{
if (ftpin != fn2ftp(inFile.c_str()))
{
gmx_fatal(FARGS, "All input files must be of the same (trr, xtc or tng) format");
}
}
gmx::ArrayRef<const std::string> outFiles = opt2fns("-o", NFILE, fnm);
if (outFiles.empty())
{
gmx_fatal(FARGS, "No output files!");
}
if ((outFiles.size() > 1) && !bDeMux)
{
gmx_fatal(FARGS, "Don't know what to do with more than 1 output file if not demultiplexing");
}
else if (bDeMux && ssize(outFiles) != nset && outFiles.size() != 1)
{
gmx_fatal(FARGS, "Number of output files should be 1 or %d (#input files), not %td", nset, outFiles.ssize());
}
if (bDeMux)
{
auto outFilesDemux = gmx::copyOf(outFiles);
if (gmx::ssize(outFilesDemux) != nset)
{
std::string name = outFilesDemux[0];
outFilesDemux.resize(nset);
for (i = 0; (i < nset); i++)
{
outFilesDemux[0] = gmx::formatString("%d_%s", i, name.c_str());
}
}
do_demux(inFiles, outFilesDemux, n, val, t, dt_remd, isize, index, dt, oenv);
}
else
{
snew(readtime, inFiles.size() + 1);
snew(timest, inFiles.size() + 1);
scan_trj_files(inFiles, readtime, timest, imax, oenv);
snew(settime, inFiles.size() + 1);
snew(cont_type, inFiles.size() + 1);
auto inFilesEdited = gmx::copyOf(inFiles);
edit_files(inFilesEdited, readtime, timest, settime, cont_type, bSetTime, bSort,
oenv);
/* Check whether the output file is amongst the input files
* This has to be done after sorting etc.
*/
const char *out_file = outFiles[0].c_str();
ftpout = fn2ftp(out_file);
n_append = -1;
for (size_t i = 0; i < inFilesEdited.size() && n_append == -1; i++)
{
if (std::strcmp(inFilesEdited[i].c_str(), out_file) == 0)
{
n_append = i;
}
}
if (n_append == 0)
{
fprintf(stderr, "Will append to %s rather than creating a new file\n",
out_file);
}
else if (n_append != -1)
{
gmx_fatal(FARGS, "Can only append to the first file which is %s (not %s)",
inFilesEdited[0].c_str(), out_file);
}
/* Not checking input format, could be dangerous :-) */
/* Not checking output format, equally dangerous :-) */
frame = -1;
frame_out = -1;
/* the default is not to change the time at all,
* but this is overridden by the edit_files routine
*/
t_corr = 0;
if (n_append == -1)
{
if (ftpout == efTNG)
{
if (ftpout != ftpin)
{
gmx_fatal(FARGS, "When writing TNG the input file format must also be TNG");
}
if (bIndex)
{
trxout = trjtools_gmx_prepare_tng_writing(out_file, 'w', nullptr,
inFilesEdited[0].c_str(), isize, nullptr, gmx::arrayRefFromArray(index, isize), grpname);
}
else
{
trxout = trjtools_gmx_prepare_tng_writing(out_file, 'w', nullptr,
inFilesEdited[0].c_str(), -1, nullptr, {}, nullptr);
}
}
else
{
trxout = open_trx(out_file, "w");
}
std::memset(&frout, 0, sizeof(frout));
}
else
{
t_fileio *stfio;
if (!read_first_frame(oenv, &status, out_file, &fr, FLAGS))
{
gmx_fatal(FARGS, "Reading first frame from %s", out_file);
}
stfio = trx_get_fileio(status);
if (!bKeepLast && !bOverwrite)
{
fprintf(stderr, "\n\nWARNING: Appending without -overwrite implies -keeplast "
"between the first two files. \n"
"If the trajectories have an overlap and have not been written binary \n"
"reproducible this will produce an incorrect trajectory!\n\n");
filetype = gmx_fio_getftp(stfio);
/* Fails if last frame is incomplete
* We can't do anything about it without overwriting
* */
if (filetype == efXTC || filetype == efTNG)
{
lasttime = trx_get_time_of_final_frame(status);
fr.time = lasttime;
}
else
{
while (read_next_frame(oenv, status, &fr))
{
;
}
lasttime = fr.time;
}
lastTimeSet = TRUE;
bKeepLastAppend = TRUE;
close_trx(status);
trxout = open_trx(out_file, "a");
}
else if (bOverwrite)
{
if (gmx_fio_getftp(stfio) != efXTC)
{
gmx_fatal(FARGS, "Overwrite only supported for XTC." );
}
last_frame_time = trx_get_time_of_final_frame(status);
/* xtc_seek_time broken for trajectories containing only 1 or 2 frames
* or when seek time = 0 */
if (inFilesEdited.size() > 1 && settime[1] < last_frame_time+timest[0]*0.5)
{
/* Jump to one time-frame before the start of next
* trajectory file */
searchtime = settime[1]-timest[0]*1.25;
}
else
{
searchtime = last_frame_time;
}
if (xtc_seek_time(stfio, searchtime, fr.natoms, TRUE))
{
gmx_fatal(FARGS, "Error seeking to append position.");
}
read_next_frame(oenv, status, &fr);
if (std::abs(searchtime - fr.time) > timest[0]*0.5)
{
gmx_fatal(FARGS, "Error seeking: attempted to seek to %f but got %f.",
searchtime, fr.time);
}
lasttime = fr.time;
lastTimeSet = TRUE;
fpos = gmx_fio_ftell(stfio);
close_trx(status);
trxout = open_trx(out_file, "r+");
if (gmx_fio_seek(trx_get_fileio(trxout), fpos))
{
gmx_fatal(FARGS, "Error seeking to append position.");
}
}
if (lastTimeSet)
{
printf("\n Will append after %f \n", lasttime);
}
frout = fr;
}
/* Lets stitch up some files */
timestep = timest[0];
for (size_t i = n_append + 1; i < inFilesEdited.size(); i++)
{
/* Open next file */
/* set the next time from the last frame in previous file */
if (i > 0)
{
/* When writing TNG the step determine which frame to write. Use an
* offset to be able to increase steps properly when changing files. */
if (ftpout == efTNG)
{
prevEndStep = frout.step;
}
if (frame_out >= 0)
{
if (cont_type[i] == TIME_CONTINUE)
{
begin = frout.time;
begin += 0.5*timestep;
settime[i] = frout.time;
cont_type[i] = TIME_EXPLICIT;
}
else if (cont_type[i] == TIME_LAST)
{
begin = frout.time;
begin += 0.5*timestep;
}
/* Or, if the time in the next part should be changed by the
* same amount, start at half a timestep from the last time
* so we dont repeat frames.
*/
/* I don't understand the comment above, but for all the cases
* I tried the code seems to work properly. B. Hess 2008-4-2.
*/
}
/* Or, if time is set explicitly, we check for overlap/gap */
if (cont_type[i] == TIME_EXPLICIT)
{
if (i < inFilesEdited.size() &&
frout.time < settime[i] - 1.5*timestep)
{
fprintf(stderr, "WARNING: Frames around t=%f %s have a different "
"spacing than the rest,\n"
"might be a gap or overlap that couldn't be corrected "
"automatically.\n", output_env_conv_time(oenv, frout.time),
timeUnit.c_str());
}
}
}
/* if we don't have a timestep in the current file, use the old one */
if (timest[i] != 0)
{
timestep = timest[i];
}
read_first_frame(oenv, &status, inFilesEdited[i].c_str(), &fr, FLAGS);
if (!fr.bTime)
{
fr.time = 0;
fprintf(stderr, "\nWARNING: Couldn't find a time in the frame.\n");
}
if (cont_type[i] == TIME_EXPLICIT)
{
t_corr = settime[i]-fr.time;
}
/* t_corr is the amount we want to change the time.
* If the user has chosen not to change the time for
* this part of the trajectory t_corr remains at
* the value it had in the last part, changing this
* by the same amount.
* If no value was given for the first trajectory part
* we let the time start at zero, see the edit_files routine.
*/
bNewFile = TRUE;
if (!lastTimeSet)
{
lasttime = 0;
lastTimeSet = true;
}
printf("\n");
printf("lasttime %g\n", lasttime);
do
{
/* copy the input frame to the output frame */
frout = fr;
/* set the new time by adding the correct calculated above */
frout.time += t_corr;
if (ftpout == efTNG)
{
frout.step += prevEndStep;
}
/* quit if we have reached the end of what should be written */
if ((end > 0) && (frout.time > end+GMX_REAL_EPS))
{
i = inFilesEdited.size();
break;
}
/* determine if we should write this frame (dt is handled elsewhere) */
if (bCat) /* write all frames of all files */
{
bWrite = TRUE;
}
else if (bKeepLast || (bKeepLastAppend && i == 1))
/* write till last frame of this traj
and skip first frame(s) of next traj */
{
bWrite = ( frout.time > lasttime+0.5*timestep );
}
else /* write till first frame of next traj */
{
bWrite = ( frout.time < settime[i+1]-0.5*timestep );
}
if (bWrite && (frout.time >= begin) )
{
frame++;
if (frame_out == -1)
{
first_time = frout.time;
}
lasttime = frout.time;
lastTimeSet = TRUE;
if (dt == 0 || bRmod(frout.time, first_time, dt))
{
frame_out++;
last_ok_t = frout.time;
if (bNewFile)
{
fprintf(stderr, "\nContinue writing frames from %s t=%g %s, "
"frame=%d \n",
inFilesEdited[i].c_str(),
output_env_conv_time(oenv, frout.time), timeUnit.c_str(),
frame);
bNewFile = FALSE;
}
if (bIndex)
{
write_trxframe_indexed(trxout, &frout, isize, index,
nullptr);
}
else
{
write_trxframe(trxout, &frout, nullptr);
}
if ( ((frame % 10) == 0) || (frame < 10) )
{
fprintf(stderr, " -> frame %6d time %8.3f %s \r",
frame_out, output_env_conv_time(oenv, frout.time), timeUnit.c_str());
fflush(stderr);
}
}
}
}
while (read_next_frame(oenv, status, &fr));
close_trx(status);
}
if (trxout)
{
close_trx(trxout);
}
fprintf(stderr, "\nLast frame written was %d, time %f %s\n",
frame, output_env_conv_time(oenv, last_ok_t), timeUnit.c_str());
}
return 0;
}
void dist_plot(const char *fn, const char *afile, const char *dfile,
const char *nfile, const char *rfile, const char *xfile,
real rcut, gmx_bool bMat, t_atoms *atoms,
int ng, atom_id *index[], int gnx[], char *grpn[], gmx_bool bSplit,
gmx_bool bMin, int nres, atom_id *residue, gmx_bool bPBC, int ePBC,
gmx_bool bGroup, gmx_bool bEachResEachTime, gmx_bool bPrintResName,
const output_env_t oenv)
{
FILE *atm, *dist, *num;
t_trxstatus *trxout;
char buf[256];
char **leg;
real t, dmin, dmax, **mindres = NULL, **maxdres = NULL;
int nmin, nmax;
t_trxstatus *status;
int i = -1, j, k, natoms;
int min1, min2, max1, max2, min1r, min2r, max1r, max2r;
atom_id oindex[2];
rvec *x0;
matrix box;
t_trxframe frout;
gmx_bool bFirst;
FILE *respertime = NULL;
if ((natoms = read_first_x(oenv, &status, fn, &t, &x0, box)) == 0)
{
gmx_fatal(FARGS, "Could not read coordinates from statusfile\n");
}
sprintf(buf, "%simum Distance", bMin ? "Min" : "Max");
dist = xvgropen(dfile, buf, output_env_get_time_label(oenv), "Distance (nm)", oenv);
sprintf(buf, "Number of Contacts %s %g nm", bMin ? "<" : ">", rcut);
num = nfile ? xvgropen(nfile, buf, output_env_get_time_label(oenv), "Number", oenv) : NULL;
atm = afile ? ffopen(afile, "w") : NULL;
trxout = xfile ? open_trx(xfile, "w") : NULL;
if (bMat)
{
if (ng == 1)
{
snew(leg, 1);
sprintf(buf, "Internal in %s", grpn[0]);
leg[0] = strdup(buf);
xvgr_legend(dist, 0, (const char**)leg, oenv);
if (num)
{
xvgr_legend(num, 0, (const char**)leg, oenv);
}
}
else
{
snew(leg, (ng*(ng-1))/2);
for (i = j = 0; (i < ng-1); i++)
{
for (k = i+1; (k < ng); k++, j++)
{
sprintf(buf, "%s-%s", grpn[i], grpn[k]);
leg[j] = strdup(buf);
}
}
xvgr_legend(dist, j, (const char**)leg, oenv);
if (num)
{
xvgr_legend(num, j, (const char**)leg, oenv);
}
}
}
else
{
snew(leg, ng-1);
for (i = 0; (i < ng-1); i++)
{
sprintf(buf, "%s-%s", grpn[0], grpn[i+1]);
leg[i] = strdup(buf);
}
xvgr_legend(dist, ng-1, (const char**)leg, oenv);
if (num)
{
xvgr_legend(num, ng-1, (const char**)leg, oenv);
}
}
if (bEachResEachTime)
{
sprintf(buf, "%simum Distance", bMin ? "Min" : "Max");
respertime = xvgropen(rfile, buf, output_env_get_time_label(oenv), "Distance (nm)", oenv);
xvgr_legend(respertime, ng-1, (const char**)leg, oenv);
if (bPrintResName)
{
fprintf(respertime, "# ");
}
for (j = 0; j < nres; j++)
{
fprintf(respertime, "%s%d ", *(atoms->resinfo[atoms->atom[index[0][residue[j]]].resind].name), atoms->atom[index[0][residue[j]]].resind);
}
fprintf(respertime, "\n");
}
j = 0;
if (nres)
{
snew(mindres, ng-1);
snew(maxdres, ng-1);
for (i = 1; i < ng; i++)
{
snew(mindres[i-1], nres);
snew(maxdres[i-1], nres);
for (j = 0; j < nres; j++)
{
mindres[i-1][j] = 1e6;
}
/* maxdres[*][*] is already 0 */
}
}
bFirst = TRUE;
do
{
if (bSplit && !bFirst && abs(t/output_env_get_time_factor(oenv)) < 1e-5)
{
fprintf(dist, "&\n");
if (num)
{
fprintf(num, "&\n");
}
if (atm)
{
fprintf(atm, "&\n");
}
}
fprintf(dist, "%12e", output_env_conv_time(oenv, t));
if (num)
{
fprintf(num, "%12e", output_env_conv_time(oenv, t));
}
if (bMat)
{
if (ng == 1)
{
calc_dist(rcut, bPBC, ePBC, box, x0, gnx[0], gnx[0], index[0], index[0], bGroup,
&dmin, &dmax, &nmin, &nmax, &min1, &min2, &max1, &max2);
fprintf(dist, " %12e", bMin ? dmin : dmax);
if (num)
{
fprintf(num, " %8d", bMin ? nmin : nmax);
}
}
else
{
for (i = 0; (i < ng-1); i++)
{
for (k = i+1; (k < ng); k++)
{
calc_dist(rcut, bPBC, ePBC, box, x0, gnx[i], gnx[k], index[i], index[k],
bGroup, &dmin, &dmax, &nmin, &nmax, &min1, &min2, &max1, &max2);
fprintf(dist, " %12e", bMin ? dmin : dmax);
if (num)
{
fprintf(num, " %8d", bMin ? nmin : nmax);
}
}
}
}
}
else
{
for (i = 1; (i < ng); i++)
{
calc_dist(rcut, bPBC, ePBC, box, x0, gnx[0], gnx[i], index[0], index[i], bGroup,
&dmin, &dmax, &nmin, &nmax, &min1, &min2, &max1, &max2);
fprintf(dist, " %12e", bMin ? dmin : dmax);
if (num)
{
fprintf(num, " %8d", bMin ? nmin : nmax);
}
if (nres)
{
for (j = 0; j < nres; j++)
{
calc_dist(rcut, bPBC, ePBC, box, x0, residue[j+1]-residue[j], gnx[i],
&(index[0][residue[j]]), index[i], bGroup,
&dmin, &dmax, &nmin, &nmax, &min1r, &min2r, &max1r, &max2r);
mindres[i-1][j] = min(mindres[i-1][j], dmin);
maxdres[i-1][j] = max(maxdres[i-1][j], dmax);
}
}
}
}
fprintf(dist, "\n");
if (num)
{
fprintf(num, "\n");
}
if ( (bMin ? min1 : max1) != -1)
{
if (atm)
{
fprintf(atm, "%12e %12d %12d\n",
output_env_conv_time(oenv, t), 1+(bMin ? min1 : max1),
1+(bMin ? min2 : max2));
}
}
if (trxout)
{
oindex[0] = bMin ? min1 : max1;
oindex[1] = bMin ? min2 : max2;
write_trx(trxout, 2, oindex, atoms, i, t, box, x0, NULL, NULL);
}
bFirst = FALSE;
/*dmin should be minimum distance for residue and group*/
if (bEachResEachTime)
{
fprintf(respertime, "%12e", t);
for (i = 1; i < ng; i++)
{
for (j = 0; j < nres; j++)
{
fprintf(respertime, " %7g", bMin ? mindres[i-1][j] : maxdres[i-1][j]);
/*reset distances for next time point*/
mindres[i-1][j] = 1e6;
maxdres[i-1][j] = 0;
}
}
fprintf(respertime, "\n");
}
}
while (read_next_x(oenv, status, &t, x0, box));
close_trj(status);
ffclose(dist);
if (num)
{
ffclose(num);
}
if (atm)
{
ffclose(atm);
}
if (trxout)
{
close_trx(trxout);
}
if (nres && !bEachResEachTime)
{
FILE *res;
sprintf(buf, "%simum Distance", bMin ? "Min" : "Max");
res = xvgropen(rfile, buf, "Residue (#)", "Distance (nm)", oenv);
xvgr_legend(res, ng-1, (const char**)leg, oenv);
for (j = 0; j < nres; j++)
{
fprintf(res, "%4d", j+1);
for (i = 1; i < ng; i++)
{
fprintf(res, " %7g", bMin ? mindres[i-1][j] : maxdres[i-1][j]);
}
fprintf(res, "\n");
}
}
sfree(x0);
}
static void periodic_mindist_plot(const char *trxfn, const char *outfn,
t_topology *top, int ePBC,
int n, atom_id index[], gmx_bool bSplit,
const output_env_t oenv)
{
FILE *out;
const char *leg[5] = { "min per.", "max int.", "box1", "box2", "box3" };
t_trxstatus *status;
real t;
rvec *x;
matrix box;
int natoms, ind_min[2] = {0, 0}, ind_mini = 0, ind_minj = 0;
real r, rmin, rmax, rmint, tmint;
gmx_bool bFirst;
gmx_rmpbc_t gpbc = NULL;
natoms = read_first_x(oenv, &status, trxfn, &t, &x, box);
check_index(NULL, n, index, NULL, natoms);
out = xvgropen(outfn, "Minimum distance to periodic image",
output_env_get_time_label(oenv), "Distance (nm)", oenv);
if (output_env_get_print_xvgr_codes(oenv))
{
fprintf(out, "@ subtitle \"and maximum internal distance\"\n");
}
xvgr_legend(out, 5, leg, oenv);
rmint = box[XX][XX];
tmint = 0;
if (NULL != top)
{
gpbc = gmx_rmpbc_init(&top->idef, ePBC, natoms);
}
bFirst = TRUE;
do
{
if (NULL != top)
{
gmx_rmpbc(gpbc, natoms, box, x);
}
periodic_dist(box, x, n, index, &rmin, &rmax, ind_min);
if (rmin < rmint)
{
rmint = rmin;
tmint = t;
ind_mini = ind_min[0];
ind_minj = ind_min[1];
}
if (bSplit && !bFirst && abs(t/output_env_get_time_factor(oenv)) < 1e-5)
{
fprintf(out, "&\n");
}
fprintf(out, "\t%g\t%6.3f %6.3f %6.3f %6.3f %6.3f\n",
output_env_conv_time(oenv, t), rmin, rmax, norm(box[0]), norm(box[1]), norm(box[2]));
bFirst = FALSE;
}
while (read_next_x(oenv, status, &t, x, box));
if (NULL != top)
{
gmx_rmpbc_done(gpbc);
}
ffclose(out);
fprintf(stdout,
"\nThe shortest periodic distance is %g (nm) at time %g (%s),\n"
"between atoms %d and %d\n",
rmint, output_env_conv_time(oenv, tmint), output_env_get_time_unit(oenv),
index[ind_mini]+1, index[ind_minj]+1);
}
