createfits.cpp
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/***************************************************************************
* createfits.cpp - Create FITS file *
* ----------------------------------------------------------------------- *
* copyright (C) 2013 by Juergen Knoedlseder *
* ----------------------------------------------------------------------- *
* *
* This program 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. *
* *
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>. *
* *
***************************************************************************/
/**
* @file createfits.cpp
* @brief Create FITS file
* @author Juergen Knoedlseder
*/
/* __ Includes ___________________________________________________________ */
#include "GammaLib.hpp"
/***********************************************************************//**
* @brief Create FITS file
*
* This code illustrates the creation of a FITS file.
***************************************************************************/
int main(void) {
// Allocate FITS object
GFits fits;
// Create FITS image
GFitsImageDouble image(20,10);
for (int x = 0; x < 20; ++x) {
for (int y = 0; y < 10; ++y) {
image(x,y) = x+100.0*y;
}
}
// Append image to FITS object
fits.append(image);
// Create binary table
GFitsBinTable table;
GFitsTableDoubleCol column("ENERGY", 10, 3);
for (int row = 0; row < 10; ++row) {
for (int index = 0; index < 3; ++index) {
column(row, index) = row*100.0+index;
}
}
table.append(column);
// Append table to FITS object
fits.append(table);
// Save file to disk
fits.saveto("my_fits_file.fits", true);
// Close FITS object
fits.close();
// Exit
return 0;
}