Application: gvSIG desktop

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

 * $Id: proj_api.h,v 1.13 2004/10/30 02:33:47 fwarmerdam Exp $

 *

 * Project:  PROJ.4

 * Purpose:  Public (application) include file for PROJ.4 API, and constants.

 * Author:   Frank Warmerdam, <warmerdam@pobox.com>

 *

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

 * Copyright (c) 2001, Frank Warmerdam <warmerdam@pobox.com>

 *

 * 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: proj_api.h,v $

 * Revision 1.13  2004/10/30 02:33:47  fwarmerdam

 * Updated release version.

 *

 * Revision 1.12  2004/09/16 15:14:01  fwarmerdam

 * * src/pj_open_lib.c: added pj_set_searchpath() provided by Eric Miller.

 *

 * Revision 1.11  2004/07/28 23:23:49  warmerda

 * Changed ra to es in declarations for pj_geocentric_to_geodetic()

 * and pj_geodetic_to_geocentric() as suggested by Britton Kerin.

 *

 * Revision 1.10  2004/05/04 03:28:01  warmerda

 * Updated version.

 *

 * Revision 1.9  2004/04/15 13:56:24  warmerda

 * added pj_get_release

 *

 * Revision 1.8  2003/03/31 14:52:38  warmerda

 * updated to 4.4.7

 *

 * Revision 1.7  2002/12/14 20:14:35  warmerda

 * added geocentric support

 *

 * Revision 1.6  2002/06/11 18:08:25  warmerda

 * Added the pj_get_def() function

 *

 * Revision 1.5  2002/01/09 14:36:22  warmerda

 * updated to 4.4.5

 *

 * Revision 1.4  2001/09/15 22:55:28  warmerda

 * final prep for 4.4.4 release

 *

 * Revision 1.3  2001/08/23 20:25:55  warmerda

 * added pj_set_finder function

 *

 * Revision 1.2  2001/06/02 03:35:36  warmerda

 * added pj_get_errno_ref()

 *

 * Revision 1.1  2001/04/06 01:24:22  warmerda

 * New

 *

 */

/* General projections header file */

#ifndef PROJ_API_H

#define PROJ_API_H

/* standard inclusions */

#include <math.h>

#include <stdlib.h>

#ifdef __cplusplus

extern "C" {

#endif

/* Try to update this every version! */

#define PJ_VERSION 449

extern char const pj_release[]; /* global release id string */

#define RAD_TO_DEG        57.29577951308232

#define DEG_TO_RAD        .0174532925199432958

extern int pj_errno;        /* global error return code */

#if !defined(PROJECTS_H)

    typedef struct { double u, v; } projUV;

    typedef void *projPJ;

    #define projXY projUV

    #define projLP projUV

#else

    typedef PJ *projPJ;

#   define projXY        XY

#   define projLP       LP

#endif

/* procedure prototypes */

projXY pj_fwd(projLP, projPJ);

projLP pj_inv(projXY, projPJ);

int pj_transform( projPJ src, projPJ dst, long point_count, int point_offset,

                  double *x, double *y, double *z );

int pj_datum_transform( projPJ src, projPJ dst, long point_count, int point_offset,

                        double *x, double *y, double *z );

int pj_geocentric_to_geodetic( double a, double es,

                               long point_count, int point_offset,

                               double *x, double *y, double *z );

int pj_geodetic_to_geocentric( double a, double es,

                               long point_count, int point_offset,

                               double *x, double *y, double *z );

int pj_compare_datums( projPJ srcdefn, projPJ dstdefn );

int pj_apply_gridshift( const char *, int, 

                        long point_count, int point_offset,

                        double *x, double *y, double *z );

void pj_deallocate_grids();

int pj_is_latlong(projPJ);

int pj_is_geocent(projPJ);

void pj_pr_list(projPJ);

void pj_free(projPJ);

void pj_set_finder( const char *(*)(const char *) );

void pj_set_searchpath ( int count, const char **path );

projPJ pj_init(int, char **);

projPJ pj_init_plus(const char *);

char *pj_get_def(projPJ, int);

projPJ pj_latlong_from_proj( projPJ );

void *pj_malloc(size_t);

void pj_dalloc(void *);

char *pj_strerrno(int);

int *pj_get_errno_ref();

const char *pj_get_release();

#ifdef __cplusplus

}

#endif

#endif /* ndef PROJ_API_H */