int main(int argc, string argv[])
{
string prog, itags[MaxBodyFields];
stream xstr, ostr;
int nold = -1;
initparam(argv, defv);
exprs[0] = getparam("group");
prog = mktemp((string) copxstr("/tmp/sm_XXXXXX", sizeof(char)));
buildmap(prog, names, exprs, types, NULL, Precision, NDIM, TRUE);
xstr = execmap(prog);
if (get_tag_ok(xstr, "History"))
skip_item(xstr);
get_history(xstr);
ostr = stropen(getparam("out"), "w");
put_history(ostr);
new_field(&GroupField, IntType, "Group");
new_field(&GroupField + 1, NULL, NULL);
layout_body(btags, Precision, NDIM);
while (get_snap(xstr, &bodytab, &nbody, &tbody, itags, FALSE)) {
snaptrak();
put_snap(ostr, &traktab, &ntrak, &tbody, otags);
if (ntrak != nold)
eprintf("[%s: wrote %d groups at t = %f]\n",
getprog(), ntrak, tbody);
nold = ntrak;
}
strclose(ostr);
if (unlink(prog) != 0)
error("%s: can't unlink %s\n", getprog(), prog);
return (0);
}
int main(int argc, string argv[])
{
string prog, itags[MaxBodyFields];
stream xstr;
int nprof, nbody, nsamp;
real *prof1, *prof2, rrange[2], tnow;
bodyptr btab = NULL;
initparam(argv, defv);
layout_body(fields, Precision, NDIM);
prog = mktemp((string) copxstr("/tmp/sm_XXXXXX", sizeof(char)));
xstr = execmap(prog);
get_history(xstr);
nprof = getiparam("nprof");
prof1 = (real *) allocate((2 + nprof) * sizeof(real));
prof2 = (real *) allocate((2 + nprof) * sizeof(real));
setrange(rrange, getparam("rrange"));
nsamp = 0;
while (get_snap(xstr, &btab, &nbody, &tnow, itags, FALSE)) {
setprofile(prof1, prof2, nprof, rrange, btab, nbody);
nsamp++;
}
if (unlink(prog) != 0)
error("%s: can't unlink %s\n", getargv0(), prog);
if (nsamp == 0)
error("%s: no data in input\n", getargv0());
listdensity(prof1, prof2, nprof, rrange, nsamp);
return (0);
}
int main(int argc, string argv[])
{
string prog, itags[MaxBodyFields], otags[MaxBodyFields];
stream xstr, ostr;
bodyptr btab = NULL;
int nbody;
real tnow;
initparam(argv, defv);
exprs[0] = getparam("weight");
prog = mktemp((string) copxstr("/tmp/sm_XXXXXX", sizeof(char)));
buildmap(prog, names, exprs, types, NULL, Precision, NDIM, TRUE);
xstr = execmap(prog);
if (get_tag_ok(xstr, "History"))
skip_item(xstr);
get_history(xstr);
ostr = stropen(getparam("out"), "w");
put_history(ostr);
new_field(&WeightField, RealType, "Weight");
new_field(&WeightField + 1, NULL, NULL);
while (get_snap(xstr, &btab, &nbody, &tnow, itags, TRUE)) {
snaprect(btab, nbody);
del_tag(otags, itags, "Weight");
put_snap(ostr, &btab, &nbody, &tnow, otags);
}
strclose(ostr);
if (unlink(prog) != 0)
error("%s: can't unlink %s\n", getargv0(), prog);
return (0);
}
int main(int argc, string argv[])
{
string *mdtab, *names, *exprs, prog;
int nexp = 0, i, j;
initparam(argv, defv);
mdtab = getmapdefs(); // get list of mapping vars
for (i = 0; mdtab[i] != NULL; i += 2)
if (getparamstat(mdtab[i]) & ARGPARAM) // if var has assigned value
nexp++;
eprintf("[%s: %scounted %d variable assignments]\n", getprog(),
nexp > 0 ? "" : "warning: ", nexp);
names = (string *) allocate(sizeof(string *) * (nexp + 1));
exprs = (string *) allocate(sizeof(string *) * (nexp + 1));
for (i = j = 0; mdtab[i] != NULL; i += 2)
if (getparamstat(mdtab[i]) & ARGPARAM) { // if var has assigned value
exprs[j] = getparam(mdtab[i]); // list value given as expr
names[j] = mdtab[i+1]; // and name of access macro
j++;
}
exprs[j] = names[j] = NULL;
prog = mktemp((string) copxstr("/tmp/sm_XXXXXX", sizeof(char)));
buildmap(prog, names, exprs, NULL,
strnull(getparam("t")) ? NULL : getparam("t"),
Precision, NDIM, TRUE);
execmap(prog);
if (unlink(prog) != 0)
error("%s: can't unlink %s\n", getargv0(), prog);
return (0);
}
int main(int argc, string argv[])
{
string prog, coords, itags[MaxBodyFields], otags[MaxBodyFields];
stream xstr, ostr;
bodyptr btab = NULL, bp;
int nbody;
real tnow;
vector cmpos, cmvel, cmacc;
initparam(argv, defv);
exprs[0] = getparam("weight");
prog = mktemp((string) copxstr("/tmp/sm_XXXXXX", sizeof(char)));
buildmap(prog, names, exprs, types, NULL, Precision, NDIM, TRUE);
xstr = execmap(prog);
if (get_tag_ok(xstr, "History"))
skip_item(xstr);
get_history(xstr);
ostr = stropen(getparam("out"), "w");
put_history(ostr);
coords = getparam("coords");
new_field(&WeightField, RealType, "Weight");
new_field(&WeightField + 1, NULL, NULL);
while (get_snap(xstr, &btab, &nbody, &tnow, itags, TRUE, NULL)) {
if (scanopt(coords, PosTag) && set_member(itags, PosTag)) {
snapcmpos(cmpos, btab, nbody, WeightField.offset);
for (bp = btab; bp < NthBody(btab, nbody); bp = NextBody(bp)) {
SUBV(Pos(bp), Pos(bp), cmpos);
}
eprintf("[%s: centroid position: %f,%f,%f]\n", getprog(),
cmpos[0], cmpos[1], cmpos[2]);
}
if (scanopt(coords, VelTag) && set_member(itags, VelTag)) {
snapcmvel(cmvel, btab, nbody, WeightField.offset);
for (bp = btab; bp < NthBody(btab, nbody); bp = NextBody(bp)) {
SUBV(Vel(bp), Vel(bp), cmvel);
}
eprintf("[%s: centroid velocity: %f,%f,%f]\n", getprog(),
cmvel[0], cmvel[1], cmvel[2]);
}
if (scanopt(coords, AccTag) && set_member(itags, AccTag)) {
snapcmacc(cmacc, btab, nbody, WeightField.offset);
for (bp = btab; bp < NthBody(btab, nbody); bp = NextBody(bp)) {
SUBV(Acc(bp), Acc(bp), cmacc);
}
eprintf("[%s: cen. acceleration: %f,%f,%f]\n", getprog(),
cmacc[0], cmacc[1], cmacc[2]);
}
del_tag(otags, itags, "Weight");
put_snap(ostr, &btab, &nbody, &tnow, otags);
}
strclose(ostr);
if (unlink(prog) != 0)
error("%s: can't unlink %s\n", getprog(), prog);
return (0);
}
