Exemple #1
0
int main(int argc, char** args) {
	int c;
	char* xylsfn = NULL;
	char* rdlsfn = NULL;
	char* corrfn = NULL;
	char* outfn = NULL;
	char* xcol = NULL;
	char* ycol = NULL;
	char* rcol = NULL;
	char* dcol = NULL;

	xylist_t* xyls = NULL;
	rdlist_t* rdls = NULL;
	rd_t rd;
	starxy_t xy;
	int fieldnum = 1;
	int N;
	double* fieldxy = NULL;
	double* xyz = NULL;
	sip_t wcs;
	int rtn = -1;
    int loglvl = LOG_MSG;
    int siporder = 0;
    int W=0, H=0;
    anbool crpix_center = FALSE;
    int i;
    int doshift = 1;

	fits_use_error_system();

    while ((c = getopt(argc, args, OPTIONS)) != -1) {
        switch (c) {
        case 'h':
			print_help(args[0]);
			exit(0);
        case 'W':
            W = atoi(optarg);
            break;
        case 'H':
            H = atoi(optarg);
            break;
        case 'C':
            crpix_center = TRUE;
            break;
        case 's':
            siporder = atoi(optarg);
            break;
		case 'c':
			corrfn = optarg;
			break;
		case 'r':
			rdlsfn = optarg;
			break;
		case 'R':
			rcol = optarg;
			break;
		case 'D':
			dcol = optarg;
			break;
		case 'x':
			xylsfn = optarg;
			break;
		case 'X':
			xcol = optarg;
			break;
		case 'Y':
			ycol = optarg;
			break;
		case 'o':
			outfn = optarg;
			break;
        case 'v':
            loglvl++;
            break;
		}
	}
	if (optind != argc) {
		print_help(args[0]);
		exit(-1);
	}
	if (! ((xylsfn && rdlsfn) || corrfn) || !outfn) {
		print_help(args[0]);
		exit(-1);
	}
    log_init(loglvl);

	if (corrfn) {
		xylsfn = corrfn;
		rdlsfn = corrfn;
		if (!xcol)
			xcol = "FIELD_X";
		if (!ycol)
			ycol = "FIELD_Y";
		if (!rcol)
			rcol = "INDEX_RA";
		if (!dcol)
			dcol = "INDEX_DEC";
	}

	// read XYLS.
	xyls = xylist_open(xylsfn);
	if (!xyls) {
		ERROR("Failed to read an xylist from file %s", xylsfn);
		goto bailout;
	}
    xylist_set_include_flux(xyls, FALSE);
    xylist_set_include_background(xyls, FALSE);
	if (xcol)
		xylist_set_xname(xyls, xcol);
	if (ycol)
		xylist_set_yname(xyls, ycol);

	// read RDLS.
	rdls = rdlist_open(rdlsfn);
	if (!rdls) {
		ERROR("Failed to read an RA,Dec list from file %s", rdlsfn);
        goto bailout;
	}
	if (rcol)
        rdlist_set_raname(rdls, rcol);
	if (dcol)
		rdlist_set_decname(rdls, dcol);

	if (!xylist_read_field_num(xyls, fieldnum, &xy)) {
		ERROR("Failed to read xyls file %s, field %i", xylsfn, fieldnum);
		goto bailout;
	}
	if (!rdlist_read_field_num(rdls, fieldnum, &rd)) {
		ERROR("Failed to read rdls field %i", fieldnum);
		goto bailout;
	}

	N = starxy_n(&xy);
	if (rd_n(&rd) != N) {
		ERROR("X,Y list and RA,Dec list must have the same number of entries, "
			  "but found %i vs %i", N, rd_n(&rd));
		goto bailout;
	}
	logverb("Read %i points from %s and %s\n", N, rdlsfn, xylsfn);

	xyz = (double*)malloc(sizeof(double) * 3 * N);
	if (!xyz) {
		ERROR("Failed to allocate %i xyz coords", N);
		goto bailout;
	}
	radecdeg2xyzarrmany(rd.ra, rd.dec, xyz, N);

	fieldxy = starxy_to_xy_array(&xy, NULL);
	if (!fieldxy) {
		ERROR("Failed to allocate %i xy coords", N);
		goto bailout;
	}

	logverb("Fitting WCS\n");
    if (siporder == 0) {
        if (fit_tan_wcs(xyz, fieldxy, N, &(wcs.wcstan), NULL)) {
            ERROR("Failed to fit for TAN WCS");
            goto bailout;
        }
    } else {
        if (W == 0) {
            for (i=0; i<N; i++) {
                W = MAX(W, (int)ceil(fieldxy[2*i + 0]));
            }
        }
        if (H == 0) {
            for (i=0; i<N; i++) {
                H = MAX(H, (int)ceil(fieldxy[2*i + 1]));
            }
        }
        logverb("Image size = %i x %i pix\n", W, H);

        fit_sip_wcs_2(xyz, fieldxy, NULL, N,
                      siporder, siporder+1, W, H,
                      crpix_center, NULL, doshift, &wcs);
    }

    if (siporder <= 1) {
        if (tan_write_to_file(&(wcs.wcstan), outfn)) {
            ERROR("Failed to write TAN WCS header to file \"%s\"", outfn);
            goto bailout;
        }
    } else {
        if (sip_write_to_file(&wcs, outfn)) {
            ERROR("Failed to write SIP WCS header to file \"%s\"", outfn);
            goto bailout;
        }
    }
	logverb("Wrote WCS to %s\n", outfn);

	starxy_free_data(&xy);
	rd_free_data(&rd);

	rtn = 0;

 bailout:
    if (rdls)
        rdlist_close(rdls);
    if (xyls)
        xylist_close(xyls);
	if (fieldxy)
		free(fieldxy);
	if (xyz)
		free(xyz);

	return rtn;
}
startree_t* startree_build(fitstable_t* intable,
						   const char* racol, const char* deccol,
						   // keep RA,Dec in the tag-along table?
						   //anbool keep_radec,
						   // KDT_DATA_*, KDT_TREE_*
						   int datatype, int treetype,
						   // KD_BUILD_*
						   int buildopts,
						   int Nleaf,
						   char** args, int argc) {
	double* ra = NULL;
	double* dec = NULL;
	double* xyz = NULL;
	int N;
	startree_t* starkd = NULL;
	int tt;
	int d;
	double low[3];
	double high[3];
	qfits_header* hdr;
	qfits_header* inhdr;
	int i;

	if (!racol)
		racol = "RA";
	if (!deccol)
		deccol = "DEC";
	if (!datatype)
		datatype = KDT_DATA_U32;
	if (!treetype)
		treetype = KDT_TREE_U32;
	if (!buildopts)
		buildopts = KD_BUILD_SPLIT;
	if (!Nleaf)
		Nleaf = 25;


	ra = fitstable_read_column(intable, racol, TFITS_BIN_TYPE_D);
	if (!ra) {
		ERROR("Failed to read RA from column %s", racol);
		goto bailout;
	}
	dec = fitstable_read_column(intable, deccol, TFITS_BIN_TYPE_D);
	if (!dec) {
		ERROR("Failed to read RA from column %s", racol);
		goto bailout;
	}
	N = fitstable_nrows(intable);
	xyz = malloc(N * 3 * sizeof(double));
	if (!xyz) {
		SYSERROR("Failed to malloc xyz array to build startree");
		goto bailout;
	}
	radecdeg2xyzarrmany(ra, dec, xyz, N);
	free(ra);
	ra = NULL;
	free(dec);
	dec = NULL;

	starkd = startree_new();
	if (!starkd) {
		ERROR("Failed to allocate startree");
		goto bailout;
	}
	tt = kdtree_kdtypes_to_treetype(KDT_EXT_DOUBLE, treetype, datatype);
	starkd->tree = kdtree_new(N, 3, Nleaf);
	for (d=0; d<3; d++) {
		low[d] = -1.0;
		high[d] = 1.0;
	}
	kdtree_set_limits(starkd->tree, low, high);
	logverb("Building star kdtree...\n");
	starkd->tree = kdtree_build(starkd->tree, xyz, N, 3, Nleaf, tt, buildopts);
	if (!starkd->tree) {
		ERROR("Failed to build star kdtree");
		startree_close(starkd);
		starkd = NULL;
		goto bailout;
	}
	starkd->tree->name = strdup(STARTREE_NAME);

	inhdr = fitstable_get_primary_header(intable);
    hdr = startree_header(starkd);
	an_fits_copy_header(inhdr, hdr, "HEALPIX");
	an_fits_copy_header(inhdr, hdr, "HPNSIDE");
	an_fits_copy_header(inhdr, hdr, "ALLSKY");
	an_fits_copy_header(inhdr, hdr, "JITTER");
	an_fits_copy_header(inhdr, hdr, "CUTNSIDE");
	an_fits_copy_header(inhdr, hdr, "CUTMARG");
	an_fits_copy_header(inhdr, hdr, "CUTDEDUP");
	an_fits_copy_header(inhdr, hdr, "CUTNSWEP");
	//fits_copy_header(inhdr, hdr, "CUTBAND");
	//fits_copy_header(inhdr, hdr, "CUTMINMG");
	//fits_copy_header(inhdr, hdr, "CUTMAXMG");
	BOILERPLATE_ADD_FITS_HEADERS(hdr);
	qfits_header_add(hdr, "HISTORY", "This file was created by the command-line:", NULL, NULL);
	fits_add_args(hdr, args, argc);
	qfits_header_add(hdr, "HISTORY", "(end of command line)", NULL, NULL);
	qfits_header_add(hdr, "HISTORY", "** History entries copied from the input file:", NULL, NULL);
	fits_copy_all_headers(inhdr, hdr, "HISTORY");
	qfits_header_add(hdr, "HISTORY", "** End of history entries.", NULL, NULL);
	for (i=1;; i++) {
		char key[16];
		int n;
		sprintf(key, "SWEEP%i", i);
		n = qfits_header_getint(inhdr, key, -1);
		if (n == -1)
			break;
		an_fits_copy_header(inhdr, hdr, key);
	}

 bailout:
	if (ra)
		free(ra);
	if (dec)
		free(dec);
	if (xyz)
		free(xyz);
	return starkd;
}