void execmap(string prog)
{
int mappid, mapstat;
char histbuf[512];
mappid = fork();
if (mappid == 0) { // if this is child process
sprintf(histbuf, "HISTORY=%s", *ask_history());
execl(prog, getargv0(), getparam("in"), getparam("out"),
getparam("times"), getparam("require"), getparam("produce"),
getparam("passall"), getparam("seed"), histbuf, NULL);
error("%s: execl %s failed\n", getargv0(), prog);
}
while (wait(&mapstat) != mappid)
eprintf("[%s: waiting on subprocess %d]\n", getargv0(), mappid);
}
/* -----------------------------------------------------------------
| init_io_one :
| Initilalize the NEMO engine and some variables.
+----------------------------------------------------------------- */
void init_io_one(int * maxbodies,
bool * read_one,
bool * save_one,
bool * set_history,
char **history_prog,
int MAXIO)
{
string defv[] = { "none=none","VERSION=1.52",NULL };
string argv[] = { "IO_NEMO",NULL };
int i;
string * histo;
static bool first=FALSE;
initparam(argv,defv);
if (first) {
first=FALSE;
/* initialyze files control arrays */
for (i=0; i< MAXIO; i++) {
maxbodies[i] = 0;
read_one[i] = FALSE;
save_one[i] = FALSE;
//set_history[i] = FALSE;
}
}
for (i=0; i< MAXIO; i++) {
maxbodies[i] = 0;
read_one[i] = FALSE;
save_one[i] = FALSE;
set_history[i] = FALSE;
}
/* get command line history */
histo = (char **) ask_history();
*history_prog = (char * ) allocate_pointer(*history_prog,
sizeof(char)*(strlen(histo[0])+1));
/* save command line history */
strcpy(*history_prog, histo[0]);
/*fprintf(stderr,"history prog : <%s> \n", *history_prog); */
}
void write_fits(string name,imageptr iptr)
{
FLOAT tmpr,xmin[3],xref[3],dx[3],mapmin,mapmax; /* fitsio FLOAT !!! */
FITS *fitsfile;
char *cp, origin[80];
string *hitem, axname[3];
float *buffer, *bp;
int i, j, k, axistype, bitpix, keepaxis[3], nx[3], p[3], nx_out[3], ndim=3;
double bscale, bzero;
if (hasvalue("ndim")) ndim = getiparam("ndim");
nx[0] = Nx(iptr);
nx[1] = Ny(iptr);
nx[2] = Nz(iptr); if (nx[2] <= 0) nx[2] = 1;
xmin[0] = Xmin(iptr)*scale[0];
xmin[1] = Ymin(iptr)*scale[1];
xmin[2] = Zmin(iptr)*scale[2];
dx[0] = Dx(iptr)*scale[0];
dx[1] = Dy(iptr)*scale[1];
dx[2] = Dz(iptr)*scale[2];
xref[0] = Xref(iptr)+1.0;
xref[1] = Yref(iptr)+1.0;
xref[2] = Zref(iptr)+1.0;
axistype = Axis(iptr);
axname[0] = (Namex(iptr) ? Namex(iptr) : xyz[0]);
axname[1] = (Namey(iptr) ? Namey(iptr) : xyz[1]);
axname[2] = (Namez(iptr) ? Namez(iptr) : xyz[2]);
mapmin = MapMin(iptr);
mapmax = MapMax(iptr);
if (Qdummy)
for (i=0; i<3; i++) p[i] = i;
else {
if (Qrefmap) warning("dummy=f and usage of refmap will result in bad headers");
permute(nx,p,3);
dprintf(0,"Reordering axes: %d %d %d\n",p[0],p[1],p[2]);
}
#if 1
for (i=0; i<3; i++) nx_out[i] = nx[p[i]];
/* fix this so CubeValue works */
Nx(iptr) = nx_out[0];
Ny(iptr) = nx_out[1];
Nz(iptr) = nx_out[2];
#else
for (i=0; i<3; i++) nx_out[i] = nx[i];
#endif
sprintf(origin,"NEMO ccdfits %s",getparam("VERSION"));
dprintf(1,"NEMO Image file written to FITS disk file\n");
dprintf(1,"%d %d %d %f %f %f %f %f %f %f %f %f %f %f \n",
nx[0],nx[1],nx[2],xmin[0],xmin[1],xmin[2],dx[0],dx[1],dx[2],xref[0],xref[1],xref[2],
mapmin,mapmax);
dprintf(1,"keepaxis(%d,%d,%d)\n",keepaxis[0],keepaxis[1],keepaxis[2]);
fit_setblocksize(2880*getiparam("blocking"));
bitpix = getiparam("bitpix");
fit_setbitpix(bitpix);
if (bitpix == 16) { /* scale from -2^(bitpix-1) .. 2^(bitpix-1)-1 */
bscale = (mapmax - mapmin) / (2.0*32768.0 - 1.0);
bzero = mapmax - bscale*32767.0;
fit_setscale(bscale,bzero);
} else if (bitpix == 32) {
bscale = (mapmax - mapmin) / (2.0*2147483648.0 - 1.0);
bzero = mapmax - bscale*2147483647.0;
fit_setscale(bscale,bzero);
} else if (bitpix == 8) {
bscale = (mapmax - mapmin) / (2.0*128.0 - 1.0);
bzero = mapmin;
fit_setscale(bscale,bzero);
}
dprintf(1,"bscale,bzero=%g %g\n",bscale,bzero);
fitsfile = fitopen(name,"new",ndim,nx_out);
if (fitsfile==NULL) error("Could not open fitsfile %s for writing\n",name);
if (Qrefmap || Qcrpix) {
fitwrhdr(fitsfile,"CRPIX1",ref_crpix[0]);
fitwrhdr(fitsfile,"CRPIX2",ref_crpix[1]);
if (ndim>2) fitwrhdr(fitsfile,"CRPIX3",ref_crpix[2]);
} else {
if (axistype==1) {
fitwrhdr(fitsfile,"CRPIX1",xref[0]);
fitwrhdr(fitsfile,"CRPIX2",xref[1]);
if (ndim>2) fitwrhdr(fitsfile,"CRPIX3",xref[2]);
} else {
fitwrhdr(fitsfile,"CRPIX1",1.0); /* CRPIX = 1 by Nemo definition */
fitwrhdr(fitsfile,"CRPIX2",1.0);
if (ndim>2) fitwrhdr(fitsfile,"CRPIX3",1.0);
}
}
if (Qrefmap || Qcrval) {
fitwrhdr(fitsfile,"CRVAL1",ref_crval[0]);
fitwrhdr(fitsfile,"CRVAL2",ref_crval[1]);
if (ndim>2) fitwrhdr(fitsfile,"CRVAL3",ref_crval[2]);
} else {
fitwrhdr(fitsfile,"CRVAL1",xmin[p[0]]);
fitwrhdr(fitsfile,"CRVAL2",xmin[p[1]]);
if (ndim>2) fitwrhdr(fitsfile,"CRVAL3",xmin[p[2]]);
}
if (Qcdmatrix) {
fitwrhdr(fitsfile,"CD1_1",dx[p[0]]);
fitwrhdr(fitsfile,"CD2_2",dx[p[1]]);
if (ndim>2) fitwrhdr(fitsfile,"CD3_3",dx[p[2]]);
} else {
if (Qrefmap || Qcdelt) {
fitwrhdr(fitsfile,"CDELT1",ref_cdelt[0]*scale[0]);
fitwrhdr(fitsfile,"CDELT2",ref_cdelt[1]*scale[1]);
if (ndim>2) fitwrhdr(fitsfile,"CDELT3",ref_cdelt[2]*scale[2]);
} else {
fitwrhdr(fitsfile,"CDELT1",dx[p[0]]);
fitwrhdr(fitsfile,"CDELT2",dx[p[1]]);
if (ndim>2) fitwrhdr(fitsfile,"CDELT3",dx[p[2]]);
}
}
if (Qradecvel) {
dprintf(0,"[Axes names written as %s, %s, %s\n",
radeve[p[0]],radeve[p[1]],radeve[p[2]]);
fitwrhda(fitsfile,"CTYPE1",radeve[p[0]]);
fitwrhda(fitsfile,"CTYPE2",radeve[p[1]]);
if (ndim>2) fitwrhda(fitsfile,"CTYPE3",radeve[p[2]]);
} else {
if (Qrefmap) {
fitwrhda(fitsfile,"CTYPE1",ref_ctype[0]);
fitwrhda(fitsfile,"CTYPE2",ref_ctype[1]);
if (ndim>2) fitwrhda(fitsfile,"CTYPE3",ref_ctype[2]);
} else {
fitwrhda(fitsfile,"CTYPE1",axname[p[0]]);
fitwrhda(fitsfile,"CTYPE2",axname[p[1]]);
if (ndim>2) fitwrhda(fitsfile,"CTYPE3",axname[p[2]]);
}
}
fitwrhdr(fitsfile,"DATAMIN",mapmin);
fitwrhdr(fitsfile,"DATAMAX",mapmax);
fitwrhda(fitsfile,"ORIGIN",origin);
cp = getenv("USER"); /* AUTHOR */
if (cp)
fitwrhda(fitsfile,"AUTHOR",cp);
else
fitwrhda(fitsfile,"AUTHOR","NEMO");
if (object) /* OBJECT */
fitwrhda(fitsfile,"OBJECT",object);
if (comment) /* COMMENT */
stuffit(fitsfile,"COMMENT",comment);
if (headline)
stuffit(fitsfile,"COMMENT",headline);
hitem = ask_history(); /* HISTORY */
fitwra(fitsfile,"HISTORY","NEMO: History in reversed order");
for (i=0, cp=hitem[0]; cp != NULL; i++) {
stuffit(fitsfile,"HISTORY",cp);
cp = hitem[i+1];
}
for(i=0; i<nfill; i++) /* debugging header I/O */
fitwra(fitsfile,"COMMENT","Dummy filler space");
buffer = (float *) allocate(nx[p[0]]*sizeof(float));
for (k=0; k<nx_out[2]; k++) { /* loop over all planes */
fitsetpl(fitsfile,1,&k);
for (j=0; j<nx_out[1]; j++) { /* loop over all rows */
for (i=0, bp=buffer; i<nx_out[0]; i++, bp++)
*bp = iscale[0] * CubeValue(iptr,i,j,k) + iscale[1];
fitwrite(fitsfile,j,buffer);
}
}
free(buffer);
fitclose(fitsfile);
}
void nemo_main()
{
stream instr, outstr;
int i, n, naxis1, naxis2, naxis[2], moment;
double edges[2];
struct fits_header fh;
struct my_table_header r;
char *record, *cp, mesg[80];
string *hitem;
FITS *map;
/* Setup */
instr = stropen(getparam("in"),"r"); /* open input */
moment = getiparam("moment");
if (moment < 1 || moment > 2) error("moment must be 1 or 2");
band = getiparam("band");
if (band < 1 || band > 10) {
band = band_id(getdparam("band"));
if (band < 1) error("Invalid DIRBE band");
}
naxis[0] = nlon = getiparam("nlong");
naxis[1] = nlat = getiparam("nlat");
grid = (entryptr *) allocate(nlat*nlon*sizeof(entryptr));
for (i=0; i<nlat*nlon; i++)
grid[i] = NULL;
cp = getparam("coord");
switch (*cp) {
case 'g': gal_coord = TRUE; break;
case 'e': gal_coord = FALSE; break;
default: error("Bad coordinate system choosen; try gal or ecl");
}
if (nemoinpd(getparam("long"),edges,2) != 2) error("long= needs 2 values");
if (edges[0] <= edges[1]) error("long= needs left edge to be largest");
lonmin = edges[0];
lonmax = edges[1];
dlon = (lonmax-lonmin)/(float)nlon;
if (nemoinpd(getparam("lat"),edges,2) != 2) error("lat= needs 2 values");
if (edges[0] >= edges[1]) error("lat= needs right edge to be largest");
latmin = edges[0];
latmax = edges[1];
dlat = (latmax-latmin)/(float)nlat;
dprintf(1,"GridSize: %d * %d Pixels: %g * %g\n",nlon,nlat,dlon,dlat);
gc_middle = (lonmax < 0.0 && lonmin > 0.0); /* see if to use SYM_ANGLE */
ncell = getiparam("ncell");
sigma2 = 2*sqr(getdparam("sigma"));
/* Open output FITS file, and write a small yet descriptive enough header */
map = fitopen(getparam("out"),"new",2,naxis);
fitwrhda(map,"CTYPE1", gal_coord ? "GLON" : "ELON");
fitwrhdr(map,"CRPIX1",(float) 1.0); /* should use center */
fitwrhdr(map,"CRVAL1",(float) (lonmin + 0.5 * dlon));
fitwrhdr(map,"CDELT1",(float) dlon);
fitwrhda(map,"CTYPE2", gal_coord ? "GLAT" : "ELAT");
fitwrhdr(map,"CRPIX2",(float) 1.0); /* should use center */
fitwrhdr(map,"CRVAL2",(float) (latmin + 0.5 * dlat));
fitwrhdr(map,"CDELT2",(float) dlat);
fitwrhda(map,"TELESCOP","COBE");
fitwrhda(map,"INSTRUME","DIRBE");
fitwrhda(map,"ORIGIN","NEMO processing on CDAC data");
fitwrhda(map,"BUNIT","MJy/sr");
sprintf(mesg,"NEMO: %s VERSION=%s",getargv0(),getparam("VERSION"));
fitwra(map,"HISTORY", mesg);
hitem = ask_history();
fitwra(map,"HISTORY","NEMO: History in reversed order");
for (i=0, cp=hitem[0]; cp != NULL; i++) {
fitwral(map,"HISTORY",cp);
cp = hitem[i+1]; /* point to next history item */
}
/* Open input file, and process all rows */
fts_zero(&fh); /* clean out header */
n = fts_rhead(&fh,instr); /* read primary header */
if (n<0) error("Error reading primary HDU");
fts_sdata(&fh,instr); /* and skip data .. */
fts_zero(&fh); /* clean out header */
n = fts_rhead(&fh,instr); /* read primary header */
if (n<0) error("Error reading second HDU");
naxis1 = fh.naxisn[0]; /* size of one row */
naxis2 = fh.naxisn[1]; /* number of rows */
record = allocate(naxis1);
for (i=0; i<naxis2; i++) { /* loop reading rows */
n = fread(record,1,naxis1,instr);
if (n != naxis1) error("Early EOF on record %d",i+1);
stuffit(&fh,record,&r);
}
printf("Used %d/%d points in gridding\n",nused,naxis2);
/* map the data on a grid */
mapit(map,moment);
/* finish off */
fitclose(map);
strclose(instr);
}
