hawki_match_cats.c

00001 /* $Id: hawki_match_cats.c,v 1.1 2009/11/26 09:52:32 cgarcia Exp $
00002  *
00003  * This file is part of the HAWKI Pipeline
00004  * Copyright (C) 2002,2003 European Southern Observatory
00005  *
00006  * This program is free software; you can redistribute it and/or modify
00007  * it under the terms of the GNU General Public License as published by
00008  * the Free Software Foundation; either version 2 of the License, or
00009  * (at your option) any later version.
00010  *
00011  * This program is distributed in the hope that it will be useful,
00012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014  * GNU General Public License for more details.
00015  *
00016  * You should have received a copy of the GNU General Public License
00017  * along with this program; if not, write to the Free Software
00018  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00019  */
00020 
00021 /*
00022  * $Author: cgarcia $
00023  * $Date: 2009/11/26 09:52:32 $
00024  * $Revision: 1.1 $
00025  * $Name: hawki-1_8_0 $
00026  */
00027 
00028 #ifdef HAVE_CONFIG_H
00029 #include <config.h>
00030 #endif
00031 
00032 /*-----------------------------------------------------------------------------
00033                                    Includes
00034  -----------------------------------------------------------------------------*/
00035 
00036 #include <float.h>
00037 #include <string.h>
00038 #include <math.h>
00039 #include <cpl.h>
00040 
00041 #include "hawki_dfs.h"
00042 #include "hawki_utils.h"
00043 #include "hawki_pfits.h"
00044 #include "hawki_match_cats.h"
00045 
00046 /*----------------------------------------------------------------------------*/
00050 /*----------------------------------------------------------------------------*/
00051 
00054 /*----------------------------------------------------------------------------*/
00075 int hawki_match_condition_5_pix
00076 (cpl_table * catalogue1,
00077  cpl_table * catalogue2,
00078  int         iobj1,
00079  int         iobj2)
00080 {
00081     static const double max_dist2 = 25;
00082 
00083     int                 null;
00084     double              posx1;
00085     double              posy1;
00086     double              posx2;
00087     double              posy2;
00088     double              dist2;
00089 
00090     posx1 =
00091         cpl_table_get_double(catalogue1, HAWKI_COL_OBJ_POSX, iobj1, &null);
00092     posy1 =
00093         cpl_table_get_double(catalogue1, HAWKI_COL_OBJ_POSY, iobj1, &null);
00094     posx2 =
00095         cpl_table_get_double(catalogue2, HAWKI_COL_OBJ_POSX, iobj2, &null);
00096     posy2 =
00097         cpl_table_get_double(catalogue2, HAWKI_COL_OBJ_POSY, iobj2, &null);
00098     
00099     dist2 = (posx1 - posx2) * (posx1 - posx2) + (posy1 - posy2) * (posy1 - posy2);
00100     if(dist2 <= max_dist2)
00101         return 1;
00102 
00103     return 0;
00104 }
00105 

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