Application: gvSIG desktop

/******************************************************************************

 * $Id: pj_datums.c,v 1.10 2004/10/28 16:07:55 fwarmerdam Exp $

 *

 * Project:  PROJ.4

 * Purpose:  Built in datum list.

 * Author:   Frank Warmerdam, warmerda@home.com

 *

 ******************************************************************************

 * Copyright (c) 2000, Frank Warmerdam

 *

 * Permission is hereby granted, free of charge, to any person obtaining a

 * copy of this software and associated documentation files (the "Software"),

 * to deal in the Software without restriction, including without limitation

 * the rights to use, copy, modify, merge, publish, distribute, sublicense,

 * and/or sell copies of the Software, and to permit persons to whom the

 * Software is furnished to do so, subject to the following conditions:

 *

 * The above copyright notice and this permission notice shall be included

 * in all copies or substantial portions of the Software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL

 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER

 * DEALINGS IN THE SOFTWARE.

 ******************************************************************************

 *

 * $Log: pj_datums.c,v $

 * Revision 1.10  2004/10/28 16:07:55  fwarmerdam

 * added pj_get_*_ref() accessors

 *

 * Revision 1.9  2004/05/04 01:15:21  warmerda

 * Added NZGD49 datum - see bug 339

 *

 * Revision 1.8  2003/03/28 14:29:28  warmerda

 * Fixed ire65 definition ... use mod_airy, not modif_airy.

 *

 * Revision 1.7  2003/03/17 21:37:22  warmerda

 * make NAD27 grids optional, added alaska and ntv2

 *

 * Revision 1.6  2003/02/06 03:37:52  warmerda

 * Fixed typo in madrid prime meridian value.

 *

 * Revision 1.5  2003/01/15 14:34:55  warmerda

 * Added some datums as suggested by GRASS team

 *

 * Revision 1.4  2002/12/09 16:01:02  warmerda

 * added prime meridian support

 *

 * Revision 1.3  2002/07/08 02:32:05  warmerda

 * ensure clean C++ builds

 *

 * Revision 1.2  2001/04/05 19:32:41  warmerda

 * added ntv1_can.dat to NAD27 list

 *

 * Revision 1.1  2000/07/06 23:32:27  warmerda

 * New

 *

 */

#define PJ_DATUMS__

#include <projects.h>

/* 

 * The ellipse code must match one from pj_ellps.c.  The datum id should

 * be kept to 12 characters or less if possible.  Use the official OGC 

 * datum name for the comments if available. 

 */

C_NAMESPACE struct PJ_DATUMS pj_datums[] = {

/* id       definition                               ellipse  comments */

/* --       ----------                               -------  -------- */

"WGS84",    "towgs84=0,0,0",                              "WGS84", "",

"GGRS87",   "towgs84=-199.87,74.79,246.62",          "GRS80", 

                                "Greek_Geodetic_Reference_System_1987",

"NAD83",    "towgs84=0,0,0",                         "GRS80", 

                                "North_American_Datum_1983",

"NAD27",    "nadgrids=@conus,@alaska,@ntv2_0.gsb,@ntv1_can.dat",           

                                                     "clrk66", 

                                "North_American_Datum_1927",

"potsdam",  "towgs84=606.0,23.0,413.0",  "bessel",  "Potsdam Rauenberg 1950 DHDN",

"carthage",  "towgs84=-263.0,6.0,431.0",  "clark80",  "Carthage 1934 Tunisia",

"hermannskogel", "towgs84=653.0,-212.0,449.0",  "bessel",  "Hermannskogel",

"ire65",  "towgs84=482.530,-130.596,564.557,-1.042,-0.214,-0.631,8.15",  "mod_airy",  "Ireland 1965",

"nzgd49",    "towgs84=59.47,-5.04,187.44,0.47,-0.1,1.024,-4.5993", "intl", "New Zealand Geodetic Datum 1949",

NULL,       NULL,                                    NULL,    NULL 

};

struct PJ_DATUMS *pj_get_datums_ref()

{

    return pj_datums;

}

C_NAMESPACE struct PJ_PRIME_MERIDIANS pj_prime_meridians[] = {

    /* id        definition                         */

    /* --        ----------                         */

    "greenwich", "0dE",

    "lisbon",    "9d07'54.862\"W",

    "paris",     "2d20'14.025\"E",

    "bogota",    "74d04'51.3\"E",

    "madrid",    "3d41'16.58\"W",

    "rome",      "12d27'8.4\"E",

    "bern",      "7d26'22.5\"E",

    "jakarta",   "106d48'27.79\"E",

    "ferro",     "17d40'W",

    "brussels",  "4d22'4.71\"E",

    "stockholm", "18d3'29.8\"E",

    "athens",    "23d42'58.815\"E",

    "oslo",      "10d43'22.5\"E",

    NULL,        NULL 

};

struct PJ_PRIME_MERIDIANS *pj_get_prime_meridians_ref()

{

    return pj_prime_meridians;

}