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/*
# This file is part of the Astrometry.net suite.
# Licensed under a 3-clause BSD style license - see LICENSE
*/
/*-------------------------------------------------------------
* This file is used to make a table with one column containing
* whether the star was flagged as a diffraction spike by our
* algorithm (ie. erroneous).
* ------------------------------------------------------------
*/
#include <stdio.h>
#include "fitsioutils.h"
int create_table(FILE* inFid, FILE* outFid){
int c, nEntries = 0;
int x = 0;
qfits_table* tbl;
qfits_header* tbl_hdr;
// create table header
qfits_header* hdr = qfits_table_prim_header_default();
qfits_header_dump(hdr, outFid);
// create table
tbl = qfits_table_new("spikes",QFITS_BINTABLE,1,1,0);
// add column
fits_add_column(tbl, 0,TFITS_BIN_TYPE_X, 1, " ", "diffraction spike");
tbl_hdr = qfits_table_ext_header_default(tbl);
qfits_header_dump(tbl_hdr, outFid);
// fill in content of table
while((c = fgetc(inFid)) != EOF){
// show progress
if (x==100000){
printf(".");
x=0;
}else{
x++;
}
//printf("%c", c);
fits_write_data_X(outFid,((unsigned char)c));
nEntries++;
}
fits_pad_file(outFid);
// fix the headers
tbl->nr = nEntries;
tbl_hdr = qfits_table_ext_header_default(tbl);
fix_headers(outFid, hdr, tbl_hdr);
qfits_header_destroy(hdr);
qfits_header_destroy(tbl_hdr);
qfits_table_close(tbl);
return 0;
}
int fix_headers(FILE* fId, qfits_header* hdr, qfits_header* tbl_hdr){
char val[32];
off_t offset;
offset = ftello(fId);
fseeko(fId, 0, SEEK_SET);
// write header
qfits_header_dump(hdr, fId);
// write table header again
qfits_header_dump(tbl_hdr, fId);
// point to the end of the file again
fseek(fId, offset, SEEK_SET);
return 0;
}
int main(int argc, char* argv[]){
if (argc==3){
FILE* inFid,outFid;
printf("processing %s ", argv[1]);
// open files for reading/writing
inFid = fopen(argv[1], "r");
outFid = fopen(argv[2], "w");
// create table and write to output file
create_table(inFid, outFid);
fclose(inFid);
fclose(outFid);
printf(" finished \n");
} else {
printf("Usage: spike_join inputFile outputFile\n");
}
return 1;
}
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