powspec_fitsio.h

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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.sourceforge.net
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) 2003-2013 Max-Planck-Society
00029  *  \author Martin Reinecke
00030  */
00031 
00032 #ifndef POWSPEC_FITSIO_H
00033 #define POWSPEC_FITSIO_H
00034 
00035 #include <string>
00036 
00037 class fitshandle;
00038 class PowSpec;
00039 
00040 /*! \defgroup powspec_fitsio_group FITS-based I/O of power spectra */
00041 /*! \{ */
00042 
00043 /*! Reads the power spectrum stored in the FITS binary table pointed to by
00044     \a inp into \a powspec. */
00045 void read_powspec_from_fits (fitshandle &inp, PowSpec &powspec, int nspecs,
00046   int lmax);
00047 /*! Opens the FITS file \a filename, jumps to HDU \a hdunum, and reads \a nspecs
00048     columns into \a powspec. \a nspecs must be 1, 4, or 6. */
00049 void read_powspec_from_fits (const std::string &infile,
00050   PowSpec &powspec, int nspecs, int lmax, int hdunum=2);
00051 
00052 /*! Inserts a new binary table into \a out, which contains \a nspecs columns
00053     of FITS type TDOUBLE, and writes the components of \a powspec into it.
00054     \a nspecs must be 1, 4, or 6. */
00055 void write_powspec_to_fits (fitshandle &out,
00056   const PowSpec &powspec, int nspecs);
00057 /*! Creates a new FITS file called \a outfile, inserts a binary table,
00058     which contains \a nspecs columns of FITS type TDOUBLE, and writes the
00059     components of \a powspec into it. \a nspecs must be 1, 4, or 6. */
00060 void write_powspec_to_fits (const std::string &outfile,
00061   const PowSpec &powspec, int nspecs);
00062 
00063 /*! \} */
00064 
00065 #endif

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