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/*
FITS related utility
Copyright © 2011-2 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 <string.h>
#include <fitsio.h>
using namespace std;
int image(const string& filename)
{
fitsfile *f;
int status = 0;
int fpixel = 1;
int dummy,naxis;
double nullval = 0.0;
status = 0;
if( fits_open_image(&f, filename.c_str(), READONLY, &status) )
fits_report_error(stderr, status);
fits_get_img_dim(f,&naxis,&status);
if( naxis > 0 && status == 0 ) {
long naxes[naxis];
fits_get_img_size(f,naxis,naxes,&status);
long ndata = 1; for(int i = 0; i < naxis; i++ ) ndata = ndata*naxes[i];
double *image = new double[ndata];
fits_read_img(f,TDOUBLE,fpixel,ndata,&nullval,image,&dummy,&status);
for(int idx = 0; idx < ndata; idx++) {
long q[naxis];
long s = idx;
for(int l = naxis-1; 0 < l; l--) {
q[l] = s/naxes[l];
s = s - q[l]*naxes[l];
}
q[0] = s;
for(int i = 0; i < naxis; i++)
cout << q[i]+1 << " ";
cout << image[idx] << endl;
}
/*
for(int n = 0; n < naxis; n++) q[n] = 0;
long idx = 0;
for(int n = 0; n < naxis; n++) {
for(int l = 0; l < naxes[n]; l++) {
cout << naxes[n] << endl;
q[n] = l;
long s = q[0];
for(int i = 1; i < naxis; i++)
s = q[i]*naxes[i];
idx = s;
for(int i = 0; i < naxis; i++)
cout << q[i]+1 << " ";
cout << idx << " " << image[idx] << endl;
}
}
*/
delete[] image;
}
fits_close_file(f, &status);
if( status != 0 )
fits_report_error(stderr, status);
return status;
}
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