powspec_fitsio.h

00001 /*
00002  *  This file is part of Healpix_cxx.
00003  *
00004  *  Healpix_cxx is free software; you can redistribute it and/or modify
00005  *  it under the terms of the GNU General Public License as published by
00006  *  the Free Software Foundation; either version 2 of the License, or
00007  *  (at your option) any later version.
00008  *
00009  *  Healpix_cxx is distributed in the hope that it will be useful,
00010  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012  *  GNU General Public License for more details.
00013  *
00014  *  You should have received a copy of the GNU General Public License
00015  *  along with Healpix_cxx; if not, write to the Free Software
00016  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
00017  *
00018  *  For more information about HEALPix, see http://healpix.jpl.nasa.gov
00019  */
00020 
00021 /*
00022  *  Healpix_cxx is being developed at the Max-Planck-Institut fuer Astrophysik
00023  *  and financially supported by the Deutsches Zentrum fuer Luft- und Raumfahrt
00024  *  (DLR).
00025  */
00026 
00027 /*! \file powspec_fitsio.h
00028  *  Copyright (C) 2003 Max-Planck-Society
00029  *  \author Martin Reinecke
00030  */
00031 
00032 #ifndef POWSPEC_FITSIO_H
00033 #define POWSPEC_FITSIO_H
00034 
00035 #include <string>
00036 class fitshandle;
00037 
00038 class PowSpec;
00039 
00040 /*! \defgroup powspec_fitsio_group FITS-based I/O of power spectra */
00041 /*! \{ */
00042 
00043 /*! Opens the FITS file \a filename, jumpd to HDU 2, and reads \a nspecs
00044     columns into \a powspec. \a nspecs must be 1 or 4. */
00045 void read_powspec_from_fits (const std::string &infile,
00046   PowSpec &powspec, int nspecs, int lmax);
00047 /*! Inserts a new binary table into \a out, which contains one or four columns
00048     of FITS type TDOUBLE, and writes the components of \a powspec into it. */
00049 void write_powspec_to_fits (fitshandle &out,
00050   const PowSpec &powspec, int nspecs);
00051 
00052 /*! \} */
00053 
00054 #endif