/*
initialize check-image.
*/
checkstruct *initcheck(char *filename, checkenum check_type, int next)
{
catstruct *fitscat;
checkstruct *check;
QCALLOC(check, checkstruct, 1);
strcpy(check->filename, filename);
check->type = check_type;
if (next>1)
/*-- Create a "pure" primary HDU */
{
fitscat = new_cat(1);
init_cat(fitscat);
strcpy(fitscat->filename, filename);
fitsadd(fitscat->tab->headbuf, "NEXTEND ", "Number of extensions");
fitswrite(fitscat->tab->headbuf, "NEXTEND ", &next, H_INT, T_LONG);
if (open_cat(fitscat, WRITE_ONLY) != RETURN_OK)
error(EXIT_FAILURE,"*Error*: cannot open for writing ", filename);
save_tab(fitscat, fitscat->tab);
check->file = fitscat->file;
fitscat->file = NULL;
free_cat(&fitscat, 1);
}
else
if (!(check->file = fopen(check->filename, "wb")))
error(EXIT_FAILURE, "*Error*: Cannot open for output ", check->filename);
return check;
}
/****** save_cat **************************************************************
PROTO void save_cat(catstruct *cat, char *filename)
PURPOSE Save a FITS catalog with name filename.
INPUT catalog structure,
filename.
OUTPUT -.
NOTES Any preexisting file with name filename is overwritten.
AUTHOR E. Bertin (IAP)
VERSION 09/09/2003
***/
void save_cat(catstruct *cat, char *filename)
{
tabstruct *tab;
int i;
strcpy(cat->filename, filename);
if (open_cat(cat, WRITE_ONLY) != RETURN_OK)
error(EXIT_FAILURE, "*Error*: cannot open for writing ", filename);
tab = cat->tab;
/*Go through each segment in the right order to save data*/
for (i=0; i<cat->ntab; i++)
{
/*-- Make sure that the tab header is primary or extension! */
if (i)
ext_head(tab);
else
prim_head(tab);
save_tab(cat, tab);
while (!((tab=tab->nexttab)->nseg));
}
if (close_cat(cat) != RETURN_OK)
error(EXIT_FAILURE, "*Error*: Problem while closing", cat->filename);
return;
}
/****** read_cats **************************************************************
PROTO read_cats(char **filenames, int ncat)
PURPOSE ``Read'' several FITS catalogs.
INPUT A pointer to pointers of char,
The number of catalogs.
OUTPUT catstruct pointer.
NOTES -.
AUTHOR E. Bertin (IAP & Leiden observatory)
VERSION 25/04/97
***/
catstruct *read_cats(char **filenames, int ncat)
{
catstruct *cat, *ccat;
int i;
if (!(cat = new_cat(ncat)))
error (EXIT_FAILURE, "Not enough memory to read ", "catalogs");
for (i=ncat, ccat = cat; i--; ccat++, filenames++)
{
strcpy(ccat->filename, *filenames);
if (open_cat(ccat, READ_ONLY) != RETURN_OK)
error (EXIT_FAILURE, "Cannot open ", *filenames);
if (map_cat(ccat) != RETURN_OK)
error (EXIT_FAILURE, "Cannot map ", *filenames);
close_cat(ccat);
}
return cat;
}
/****** read_cat ***************************************************************
PROTO catstruct read_cat(char *filename)
PURPOSE ``Read'' a FITS catalog with name filename.
INPUT Filename,
OUTPUT catstruct pointer.
NOTES Returns NULL if no file with name \<filename\> is found.
AUTHOR E. Bertin (IAP & Leiden observatory)
VERSION 07/05/2002
***/
catstruct *read_cat(char *filename)
{
catstruct *cat;
if (!(cat = new_cat(1)))
error (EXIT_FAILURE, "Not enough memory to read ", filename);
strcpy(cat->filename, filename);
if (open_cat(cat, READ_ONLY) != RETURN_OK)
{
free_cat(&cat, 1);
return NULL;
}
if (map_cat(cat) != RETURN_OK)
{
free_cat(&cat, 1);
return NULL;
}
return cat;
}
/****** check_write ********************************************************
PROTO void check_write(fieldstruct *field, char *checkname,
checkenum checktype, int ext, int next, int cubeflag)
PURPOSE Write a FITS image for check.
INPUT Pointer to the field,
Pointer to the set,
Check-image filename,
Check-image type,
Extension number,
Number of extensions,
Datacube flag.
OUTPUT -.
NOTES Check-image is written as a datacube if cubeflag!=0.
AUTHOR E. Bertin (IAP)
VERSION 21/09/2015
***/
void check_write(fieldstruct *field, setstruct *set, char *checkname,
checkenum checktype, int ext, int next, int cubeflag)
{
psfstruct *psf;
catstruct *cat;
tabstruct *tab;
samplestruct **gridsample,
*sample,*osample;
char filename[MAXCHAR], str[82],
*head, *pstr,*pstr2;
static double dpos[POLY_MAXDIM], *dpost;
double dstep,dstart, dval1,dval2, scalefac, dstepx,dstepy;
float *pix,*pix0, *vig,*vig0, *fpix,*fpixsym,
val;
int i,g,j,l,x,y, w,h,n, npc,nt, nw,nh,np, npos,npos2,
step,step2, ipos, inpos, ival1,ival2, npix;
/* Create the new cat (well it is not a "cat", but simply a FITS table */
if (!ext)
{
cat = new_cat(1);
init_cat(cat);
strcpy(cat->filename, checkname);
if (!(pstr = strrchr(cat->filename, '.')))
pstr = cat->filename+strlen(cat->filename);
strcpy(filename, field->rcatname);
if (!(pstr2 = strrchr(filename, '.')))
pstr2 = filename+strlen(filename);
*pstr2 = '\0';
sprintf(pstr, "_%s.fits", filename);
if (open_cat(cat, WRITE_ONLY) != RETURN_OK)
error(EXIT_FAILURE, "*Error*: cannot open for writing ", cat->filename);
if (next>1)
{
addkeywordto_head(cat->tab, "NEXTEND ", "Number of extensions");
fitswrite(cat->tab->headbuf, "NEXTEND", &next, H_INT, T_LONG);
save_tab(cat, cat->tab);
}
field->ccat[checktype] = cat;
}
else
cat = field->ccat[checktype];
sprintf(str, "chip%02d", ext+1);
psf = field->psf[ext];
tab = new_tab(str);
head = tab->headbuf;
tab->bitpix = BP_FLOAT;
tab->bytepix = t_size[T_FLOAT];
switch(checktype)
{
case PSF_BASIS:
/*---- View basis vectors as small vignets */
if (cubeflag)
{
tab->naxis = 3;
QREALLOC(tab->naxisn, int, tab->naxis);
tab->naxisn[0] = psf->size[0];
tab->naxisn[1] = psf->size[1];
tab->naxisn[2] = psf->nbasis;
npix = tab->naxisn[0]*tab->naxisn[1]*tab->naxisn[2];
tab->tabsize = tab->bytepix*npix;
QCALLOC(pix0, float, tab->tabsize);
tab->bodybuf = (char *)pix0;
pix = pix0;
fpix = psf->basis;
for (i=npix; i--;)
*(pix++) = *(fpix++);
}
else
{
nw = (int)sqrt((double)psf->nbasis);
nw = ((nw-1)/10+1)*10;
nh = (psf->nbasis-1)/nw + 1;
w = psf->size[0];
h = psf->dim>1? psf->size[1] : 1;
tab->naxisn[0] = nw*w;
tab->naxisn[1] = nh*h;
step = (nw-1)*w;
tab->tabsize = tab->bytepix*tab->naxisn[0]*tab->naxisn[1];
QCALLOC(pix0, float, tab->tabsize);
tab->bodybuf = (char *)pix0;
fpix = psf->basis;
for (n=0; n<psf->nbasis; n++)
{
pix = pix0 + ((n%nw) + (n/nw)*nw*h)*w;
for (y=h; y--; pix += step)
for (x=w; x--;)
*(pix++) = *(fpix++);
}
}
break;
case PSF_CHI:
/*---- sqrt(chi2) map in PSF pixel-space
nw = 1;
nh = 1;
w = psf->size[0];
h = psf->size[1];
tab->naxisn[0] = nw*w;
tab->naxisn[1] = nh*h;
tab->tabsize = tab->bytepix*tab->naxisn[0]*tab->naxisn[1];
QCALLOC(pix0, float, tab->tabsize);
tab->bodybuf = (char *)pix0;
pix = pix0;
fpix = psf->resi;
for (i=w*h; i--;)
*(pix++) = *(fpix++);
break;
*/
if (cubeflag)
{
tab->naxis = 3;
QREALLOC(tab->naxisn, int, tab->naxis);
tab->naxisn[0] = set->vigsize[0];
tab->naxisn[1] = set->vigsize[1];
tab->naxisn[2] = set->ngood? set->ngood : 1;
npix = tab->naxisn[0]*tab->naxisn[1];
tab->tabsize = tab->bytepix*npix*tab->naxisn[2];
QCALLOC(pix0, float, tab->tabsize);
tab->bodybuf = (char *)pix0;
pix = pix0;
sample = set->sample;
for (n=set->nsample; n--; sample++)
{
if (sample->badflag)
continue;
fpix = sample->vigchi;
for (i=npix; i--;)
*(pix++) = *(fpix++);
}
}
else
{
/****** save_tab **************************************************************
PROTO void save_tab(catstruct *cat, tabstruct *tab)
PURPOSE Save a FITS table.
INPUT pointer to the catalog structure,
pointer to the table structure.
OUTPUT -.
NOTES -.
AUTHOR E. Bertin (IAP & Leiden observatory)
VERSION 09/09/2003
***/
void save_tab(catstruct *cat, tabstruct *tab)
{
catstruct *tabcat;
keystruct *key;
tabstruct *keytab;
KINGSIZE_T tabsize;
KINGLONG size;
int b,j,k,o, nbytes,nkey,nobj,spoonful,
tabflag, larrayin,larrayout;
char *buf, *inbuf, *outbuf, *fptr,*ptr;
int esize;
/* Make the table parameters reflect its content*/
update_tab(tab);
/* The header itself*/
tabflag = save_head(cat, tab)==RETURN_OK?1:0;
/* Allocate memory for the output buffer */
tabsize = 0;
tabcat = NULL; /* to satisfy gcc -Wall */
inbuf = NULL; /* to satisfy gcc -Wall */
if (tabflag)
{
/*-- If segment is a binary table, save it row by row */
QMALLOC(outbuf, char, (larrayout = tab->naxisn[0]));
nkey = tab->nkey;
tabsize = larrayin = 0;
for (j=tab->nseg; j--;)
{
update_tab(tab);
/*---- Scan keys to find the reference tab and other things*/
keytab = NULL;
key = tab->key;
for (k=nkey; k--; key = key->nextkey)
if (!key->ptr)
{
keytab = key->tab;
tabcat = keytab->cat;
}
/*---- If table contains some keys with no ptrs, we have to access a file */
if (keytab)
{
QMALLOC(inbuf, char, (larrayin = keytab->naxisn[0]));
if (open_cat(tabcat, READ_ONLY) != RETURN_OK)
error(EXIT_FAILURE, "*Error*: Cannot access ", tabcat->filename);
QFSEEK(tabcat->file, keytab->bodypos, SEEK_SET, tabcat->filename);
}
nobj = tab->naxisn[1];
for (o=0; o<nobj; o++)
{
if (keytab)
QFREAD(inbuf, larrayin, tabcat->file, tabcat->filename);
fptr = outbuf;
for (k=nkey; k--; key = key->nextkey)
{
nbytes = key->nbytes;
ptr = key->ptr? (char *)key->ptr+nbytes*o:inbuf+key->pos;
for (b=nbytes; b--;)
*(fptr++) = *(ptr++);
if (bswapflag)
if (key->ptr)
{
esize = t_size[key->ttype];
swapbytes(fptr-nbytes, esize, nbytes/esize);
}
}
QFWRITE(outbuf, larrayout, cat->file, cat->filename);
}
if (keytab)
{
free(inbuf);
if (close_cat(tabcat) != RETURN_OK)
error(EXIT_FAILURE, "*Error*: Problem while closing",
tabcat->filename);
}
tabsize += tab->tabsize;
tab = tab->nexttab;
}
free(outbuf);
}
else
{
