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/*
FITS related utility
Copyright © 2011 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 <iostream>
#include <fstream>
#include <fitsio.h>
using namespace std;
int structure(const string& filename)
{
fitsfile *f;
int status = 0;
int nhdu = 0;
long *naxes = 0;
int hdutype,bitpix,naxis,ncols;
long nrows;
char extname[FLEN_CARD],comment[FLEN_CARD];
cout << "#";
cout.width(11);
cout << "EXTNAME";
cout.width(11);
cout << "TYPE";
cout.width(7);
cout << "BITPIX";
cout << " SIZE";
cout << endl;
status = 0;
if( fits_open_file(&f, filename.c_str(), READONLY, &status) )
fits_report_error(stderr, status);
if( fits_get_num_hdus(f,&nhdu,&status) )
fits_report_error(stderr, status);
for(int k = 0; k < nhdu; k++) {
if( fits_movabs_hdu(f,k+1,&hdutype,&status) )
fits_report_error(stderr, status);
fits_read_keyword(f,"EXTNAME",extname,comment,&status);
if( status != 0 ) {
status = 0;
fits_read_keyword(f,"HDUNAME",extname,comment,&status);
status = 0;
}
if( hdutype == IMAGE_HDU ) {
fits_get_img_type(f,&bitpix,&status);
fits_get_img_dim(f,&naxis,&status);
if( naxis > 0 ) {
naxes = new long[naxis];
fits_get_img_size(f,naxis,naxes,&status);
}
}
else if( hdutype == ASCII_TBL || hdutype == BINARY_TBL ) {
fits_get_num_rows(f,&nrows,&status);
fits_get_num_cols(f,&ncols,&status);
}
/*
fits_read_key(f,TINT,"BITPIX",&bitpix,comment,&status);
fits_read_key(f,TINT,"NAXIS",&naxis,comment,&status);
if( status == 0 ) {
}
*/
string htype /*= "**********"*/;
switch (hdutype) {
case IMAGE_HDU: htype = "IMAGE"; break;
case ASCII_TBL: htype = "ASCII_TBL"; break;
case BINARY_TBL: htype = "BINARY_TBL"; break;
}
if( naxis == 0 && hdutype == IMAGE_HDU )
htype = "DUMMY";
cout << k + 1;
cout.width(11);
cout << extname;
cout.width(11);
cout << htype;
cout.width(7);
if( hdutype == IMAGE_HDU )
cout << bitpix;
else
cout << "";
cout << " ";
if( hdutype == IMAGE_HDU && naxes) {
for(size_t i = 0; i < (size_t) naxis; i++) {
// if( i != 0 ) cout << "x";
cout << (i != 0 ? "x" : "") << naxes[i];
}
}
else if( hdutype == ASCII_TBL || hdutype == BINARY_TBL ) {
cout << nrows << "x" << ncols;
}
cout << endl;
delete[] naxes;
naxes = 0;
}
fits_close_file(f, &status);
if( status != 0 )
fits_report_error(stderr, status);
return status;
}
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