proj_api.h

projapi是一个关于GIS行业投影转换的程序库

// proj_api.h: interface for the proj_api class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_PROJ_API_H__DFAE2165_9C8D_4745_B5E1_659C5C677C71__INCLUDED_)
#define AFX_PROJ_API_H__DFAE2165_9C8D_4745_B5E1_659C5C677C71__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000


/* General projections header file */
#ifndef PROJ_API_H
#define PROJ_API_H

/* standard inclusions */
#include <stdlib.h>

#ifdef __cplusplus
extern "C" {
#endif

/* Try to update this every version! */
#define PJ_VERSION 448

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();
const char *pj_get_release();

#ifdef __cplusplus
}
#endif

#endif /* ndef PROJ_API_H */


#endif // !defined(AFX_PROJ_API_H__DFAE2165_9C8D_4745_B5E1_659C5C677C71__INCLUDED_)