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/******************************************************************************
* $Id$
*
* 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.
******************************************************************************
*
* $Log$
* 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 446
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 ra,
long point_count, int point_offset,
double *x, double *y, double *z );
int pj_geodetic_to_geocentric( double a, double ra,
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 *) );
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();
#ifdef __cplusplus
}
#endif
#endif /* ndef PROJ_API_H */
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