Exemple #1
0
static void fitstable_create_table(fitstable_t* tab) {
    qfits_table* qt;
    int i;

    qt = qfits_table_new("", QFITS_BINTABLE, 0, ncols(tab), 0);
    tab->table = qt;

    for (i=0; i<ncols(tab); i++) {
        fitscol_t* col = getcol(tab, i);
		char* nil = "";
        int arraysize;
		assert(col->colname);
        arraysize = col->arraysize;
        if (col->fitstype == TFITS_BIN_TYPE_X)
            arraysize = col->arraysize * 8;
        fits_add_column(qt, i, col->fitstype, arraysize,
						col->units ? col->units : nil, col->colname);
    }
}
Exemple #2
0
int main(int argc, char *argv[]) {
    int argchar;

	char* infn = NULL;
	char* outfn = NULL;
	FILE* fin = NULL;
	FILE* fout = NULL;
	pl* cols;
	char* progname = argv[0];
	int nextens;
	int ext;
	int NC;
	int start, size;
    anqfits_t* anq = NULL;

	qfits_table* outtable;
	unsigned char* buffer;

	cols = pl_new(16);

    while ((argchar = getopt (argc, argv, OPTIONS)) != -1)
        switch (argchar) {
        case 'c':
			pl_append(cols, optarg);
            break;
        case 'i':
			infn = optarg;
			break;
        case 'o':
			outfn = optarg;
			break;
        case '?':
        case 'h':
			printHelp(progname);
            return 0;
        default:
            return -1;
        }

	if (!infn || !outfn || !pl_size(cols)) {
		printHelp(progname);
		exit(-1);
	}

    fin = fopen(infn, "rb");
    if (!fin) {
        ERROR("Failed to open input file %s: %s\n", infn, strerror(errno));
        exit(-1);
    }

    fout = fopen(outfn, "wb");
    if (!fout) {
        ERROR("Failed to open output file %s: %s\n", outfn, strerror(errno));
        exit(-1);
    }

	// copy the main header exactly.
    anq = anqfits_open(infn);
    if (!anq) {
        ERROR("Failed to read \"%s\"", infn);
        exit(-1);
    }
    start = anqfits_header_start(anq, 0);
    size  = anqfits_header_size (anq, 0);
    if (pipe_file_offset(fin, start, size, fout)) {
        ERROR("Failed to copy primary header.\n");
        exit(-1);
    }

	NC = pl_size(cols);
	nextens = anqfits_n_ext(anq);
	printf("Translating %i extensions.\n", nextens);
	buffer = NULL;
	for (ext=1; ext<nextens; ext++) {
		int c2, c;
		int columns[NC];
		int sizes[NC];
		int offsets[NC];
		int offset = 0;
		int off, n;
		int totalsize = 0;
		const int BLOCK=1000;
		qfits_table* table;
		qfits_header* header;
		qfits_header* tablehdr;

		if (ext%100 == 0) {
			printf("Extension %i.\n", ext);
			fflush(stdout);
		}

		if (!anqfits_is_table(anq, ext)) {
			ERROR("extention %i isn't a table.\n", ext);
			// HACK - just copy it.
			return -1;
		}
		table = anqfits_get_table(anq, ext);
		if (!table) {
			ERROR("failed to open table: file %s, extension %i.\n", infn, ext);
			return -1;
		}
        header = anqfits_get_header(anq, ext);
		if (!header) {
			ERROR("failed to read header: extension %i\n", ext);
			exit(-1);
		}

		outtable = qfits_table_new(outfn, QFITS_BINTABLE, 0, NC, table->nr);
		outtable->tab_w = 0;
		
		for (c=0; c<pl_size(cols); c++) {
			columns[c] = -1;
		}
		for (c=0; c<pl_size(cols); c++) {
			char* colname = pl_get(cols, c);
			qfits_col* col;
			c2 = fits_find_column(table, colname);
			if (c2 == -1) {
				ERROR("Extension %i: failed to find column named %s\n",
						ext, colname);
				exit(-1);
			}
			col = table->col + c2;
			columns[c] = c2;
			sizes[c] = col->atom_nb * col->atom_size;
			offsets[c] = offset;
			offset += sizes[c];

			qfits_col_fill(outtable->col + c,
						   col->atom_nb, col->atom_dec_nb,
						   col->atom_size, col->atom_type,
						   col->tlabel, col->tunit,
						   col->nullval, col->tdisp,
						   col->zero_present,
						   col->zero,
						   col->scale_present,
						   col->scale,
						   outtable->tab_w);
			outtable->tab_w += sizes[c];
		}
		totalsize = offset;

		tablehdr = qfits_table_ext_header_default(outtable);
		// add any headers from the original table that aren't part of the BINTABLE extension.
        fits_copy_non_table_headers(tablehdr, header);
		qfits_header_dump(tablehdr, fout);
		qfits_header_destroy(tablehdr);
		
		buffer = realloc(buffer, totalsize * BLOCK);

		for (off=0; off<table->nr; off+=n) {
			if (off + BLOCK > table->nr)
				n = table->nr - off;
			else
				n = BLOCK;
			for (c=0; c<pl_size(cols); c++)
				qfits_query_column_seq_to_array_no_endian_swap
					(table, columns[c], off, n, buffer + offsets[c], totalsize);
			if (fwrite(buffer, totalsize, n, fout) != n) {
				ERROR("Error writing a block of data: ext %i: %s\n", ext, strerror(errno));
				exit(-1);
			}
		}

		qfits_table_close(outtable);
		fits_pad_file(fout);
		qfits_header_destroy(header);
		qfits_table_close(table);
	}
	free(buffer);

	if (fclose(fout)) {
		ERROR("Error closing output file: %s\n", strerror(errno));
	}
	fclose(fin);

    anqfits_close(anq);

	pl_free(cols);
	return 0;
}