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/*
* $Id: gprojects.h,v 1.5 2004/01/26 15:37:12 paul Exp $
*
******************************************************************************
*
* MODULE: gproj library
* AUTHOR(S): Original Author unknown, probably Soil Conservation Service
* Paul Kelly
* PURPOSE: Include file for GRASS modules that use the PROJ.4
* wrapper functions
* COPYRIGHT: (C) 2003 by the GRASS Development Team
*
* This program is free software under the GNU General Public
* License (>=v2). Read the file COPYING that comes with GRASS
* for details.
*
*****************************************************************************/
#include "config.h"
#include <proj_api.h>
#ifdef HAVE_OGR
# include <ogr_srs_api.h>
#endif
/* Data Files */
#define ELLIPSOIDTABLE "/etc/ellipse.table"
#define DATUMTABLE "/etc/datum.table"
#define DATUMTRANSFORMTABLE "/etc/datumtransform.table"
struct pj_info {
projPJ *pj;
double meters;
int zone;
char proj[100];
};
struct gpj_datum
{
char *name, *longname, *ellps;
double dx, dy, dz;
};
struct gpj_ellps
{
char *name, *longname;
double a, es, rf;
};
/* do_proj.c */
int pj_do_proj (double *, double *, struct pj_info *, struct pj_info *);
int pj_do_transform (int, double *, double *, double *,
struct pj_info *, struct pj_info *);
/* get_proj.c */
int pj_get_kv (struct pj_info *, struct Key_Value *, struct Key_Value *);
int pj_get_string (struct pj_info *, char *);
int GPJ_get_equivalent_latlong (struct pj_info *, struct pj_info *);
const char * set_proj_lib (const char *);
int pj_print_proj_params (struct pj_info *, struct pj_info *);
/* convert.c */
#ifdef HAVE_OGR
char * GPJ_grass_to_wkt (struct Key_Value *,
struct Key_Value *, int, int );
OGRSpatialReferenceH * GPJ_grass_to_osr (struct Key_Value *,
struct Key_Value * );
int GPJ_wkt_to_grass(struct Cell_head *, struct Key_Value **,
struct Key_Value **, const char *, int);
int GPJ_osr_to_grass(struct Cell_head *, struct Key_Value **,
struct Key_Value **, OGRSpatialReferenceH *, int);
const char *GPJ_set_csv_loc(const char *);
#endif
/* datum.c */
int GPJ_get_datum_by_name (const char *, struct gpj_datum *);
int GPJ_get_default_datum_params_by_name(const char *, char **);
int GPJ_get_datum_params (char **, char **);
int GPJ__get_datum_params (struct Key_Value *, char **, char **);
void GPJ_free_datum (struct gpj_datum *);
int GPJ_ask_datum_params(char *, char **);
/* ellipse.c */
int GPJ_get_ellipsoid_by_name (const char *, struct gpj_ellps *);
int GPJ_get_ellipsoid_params (double *, double *, double *);
int GPJ__get_ellipsoid_params (struct Key_Value *,
double *, double *, double *);
void GPJ_free_ellps (struct gpj_ellps *);
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