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/*
FITS dump utility
Copyright © 2012, 2022 F.Hroch (hroch@physics.muni.cz)
This file is part of Munipack.
Munipack is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Munipack is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Munipack. If not, see <http://www.gnu.org/licenses/>.
*/
#include "fits.h"
#include <string>
#include <vector>
#include <iostream>
#include <fstream>
#include <sstream>
#include <string.h>
#include <stdlib.h>
#include <fitsio.h>
#include <cassert>
using namespace std;
int dump(const string& filename, const string& outname)
{
fitsfile *f;
int status = 0;
int nhdu = 0;
ofstream fout(outname.c_str());
if( ! fout.good() ) {
cerr << "Failed to write to `" << filename << "'" << endl;
return 1;
}
status = 0;
fits_open_file(&f, filename.c_str(), READONLY, &status);
fits_get_num_hdus(f,&nhdu,&status);
if( status ) goto hell;
for(int k = 0; k < nhdu; k++) {
fout << "# BEGIN HDU " << k << endl;
int htype, dummy;
fits_movabs_hdu(f,k+1,&htype,&status);
if( status ) goto hell;
int nhead;
char record[FLEN_CARD];
fits_get_hdrspace(f,&nhead,&dummy,&status);
for(int n = 0; status == 0 && n < nhead; n++) {
if( fits_read_record(f,n+1,record,&status) == 0 )
fout << record << endl;
}
if( status ) goto hell;
fout << "END" << endl;
if( htype == IMAGE_HDU ) {
int bitpix, naxis;
fits_get_img_type(f,&bitpix,&status);
fits_get_img_dim(f,&naxis,&status);
if( naxis > 0 ) {
long *naxes = new long[naxis];
fits_get_img_size(f,naxis,naxes,&status);
if( status ) { delete[] naxes; goto hell; }
long ndata = 1; for(int i = 1; i < naxis; i++ ) ndata = ndata*naxes[i];
assert(ndata > 0);
if( bitpix > 0 ) {
int nullval = 0;
int *data = new int[ndata];
long fpixel = 1;
for(int j = 0; j < naxes[0] && status == 0; j++) {
fits_read_img(f,TINT,fpixel,ndata,&nullval,data,&dummy,&status);
if( status == 0 ) {
fpixel = fpixel + ndata;
for(int i = 0; i < ndata; i++)
fout << " " << data[i];
fout << endl;
}
}
delete[] data;
if( status ) goto hell;
}
else {
double nullval = 0;
double *data = new double[ndata];
long fpixel = 1;
for(int j = 0; j < naxes[0] && status == 0; j++) {
fits_read_img(f,TDOUBLE,fpixel,ndata,&nullval,data,&dummy,&status);
if( status == 0 ) {
fpixel = fpixel + ndata;
for(int i = 0; i < ndata; i++)
fout << " " << data[i];
fout << endl;
}
}
delete[] data;
if( status ) goto hell;
}
delete[] naxes;
}
}
else if( htype == ASCII_TBL || htype == BINARY_TBL ) {
long nrows;
int ncols;
fits_get_num_rows(f,&nrows,&status);
fits_get_num_cols(f,&ncols,&status);
if( status ) goto hell;
int *widths = new int[ncols];
int *types = new int[ncols];
long repeat, widths2;
for(int k = 0; k < ncols && status == 0; k++) {
fits_get_coltype(f,k+1,&types[k],&repeat,&widths2,&status);
fits_get_col_display_width(f,k+1,&widths[k],&status);
}
if( status ) { delete[] widths; delete[] types; goto hell;}
char **table = new char*[ncols*nrows];
for(int k = 0; k < ncols; k++)
for(int i = 0; i < nrows; i++)
table[i+k*nrows] = new char[widths[k]];
long frow = 1, felem = 1; char *nullval = 0; int dummy;
for(int k = 0; k < ncols && status == 0; k++ )
fits_read_col(f, TSTRING, k+1, frow, felem, nrows, &nullval,
table + k*nrows,&dummy,&status);
if( status == 0 ) {
for(int i = 0; i < nrows; i++) {
for(int k = 0; k < ncols; k++) {
int b = widths[k];
char *cell = table[i+nrows*k];
char c[2*b+3];
if( types[k] == TSTRING ) {
c[0] = '\'';
int l = 0;
for(l = 0; l != b && cell[l] != '\0'; l++) {
if( cell[l] == '\'' ) {
c[l++] = '\'';
c[l+1] = '\'';
}
else
c[l+1] = cell[l];
}
c[l+1] = '\'';
c[l+2] = '\0';
}
else {
strncpy(c,cell,b);
c[b] = '\0';
}
fout << c << " ";
}
fout << endl;
}
}
for(int i = 0; i < ncols*nrows; i++)
delete[] table[i];
delete[] table;
delete[] widths;
delete[] types;
}
fout << "# END HDU " << k << endl;
}
hell:
fits_report_error(stderr, status);
fits_close_file(f, &status);
return status;
}
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