mirror of
https://git.osgeo.org/gitea/postgis/postgis
synced 2024-10-24 00:52:40 +00:00
870eaef414
git-svn-id: http://svn.osgeo.org/postgis/trunk@13496 b70326c6-7e19-0410-871a-916f4a2858ee
87 lines
2.5 KiB
C
87 lines
2.5 KiB
C
/**********************************************************************
|
|
*
|
|
* PostGIS - Spatial Types for PostgreSQL
|
|
* http://postgis.net
|
|
* Copyright 2001-2003 Refractions Research Inc.
|
|
*
|
|
* This is free software; you can redistribute and/or modify it under
|
|
* the terms of the GNU General Public Licence. See the COPYING file.
|
|
*
|
|
**********************************************************************/
|
|
|
|
#include "postgres.h"
|
|
#include "liblwgeom.h"
|
|
#include "lwgeom_pg.h"
|
|
|
|
typedef struct srs_precision
|
|
{
|
|
int precision_xy;
|
|
int precision_z;
|
|
int precision_m;
|
|
} srs_precision;
|
|
|
|
char* GetProj4StringSPI(int srid);
|
|
void SetPROJ4LibPath(void) ;
|
|
|
|
|
|
/**
|
|
* Opaque type to use in the projection cache API.
|
|
*/
|
|
typedef void *Proj4Cache ;
|
|
|
|
void SetPROJ4LibPath(void);
|
|
Proj4Cache GetPROJ4Cache(FunctionCallInfo fcinfo) ;
|
|
bool IsInPROJ4Cache(Proj4Cache cache, int srid) ;
|
|
void AddToPROJ4Cache(Proj4Cache cache, int srid, int other_srid);
|
|
void DeleteFromPROJ4Cache(Proj4Cache cache, int srid) ;
|
|
projPJ GetProjectionFromPROJ4Cache(Proj4Cache cache, int srid);
|
|
int GetProjectionsUsingFCInfo(FunctionCallInfo fcinfo, int srid1, int srid2, projPJ *pj1, projPJ *pj2);
|
|
int spheroid_init_from_srid(FunctionCallInfo fcinfo, int srid, SPHEROID *s);
|
|
void srid_is_latlong(FunctionCallInfo fcinfo, int srid);
|
|
srs_precision srid_axis_precision(FunctionCallInfo fcinfo, int srid, int precision);
|
|
|
|
/**
|
|
* Builtin SRID values
|
|
* @{
|
|
*/
|
|
|
|
/** Start of the reserved offset */
|
|
#define SRID_RESERVE_OFFSET 999000
|
|
|
|
/** World Mercator, equivalent to EPSG:3395 */
|
|
#define SRID_WORLD_MERCATOR 999000
|
|
|
|
/** Start of UTM North zone, equivalent to EPSG:32601 */
|
|
#define SRID_NORTH_UTM_START 999001
|
|
|
|
/** End of UTM North zone, equivalent to EPSG:32660 */
|
|
#define SRID_NORTH_UTM_END 999060
|
|
|
|
/** Lambert Azimuthal Equal Area (LAEA) North Pole, equivalent to EPSG:3574 */
|
|
#define SRID_NORTH_LAMBERT 999061
|
|
|
|
/** PolarSteregraphic North, equivalent to EPSG:3995 */
|
|
#define SRID_NORTH_STEREO 999062
|
|
|
|
/** Start of UTM South zone, equivalent to EPSG:32701 */
|
|
#define SRID_SOUTH_UTM_START 999101
|
|
|
|
/** Start of UTM South zone, equivalent to EPSG:32760 */
|
|
#define SRID_SOUTH_UTM_END 999160
|
|
|
|
/** Lambert Azimuthal Equal Area (LAEA) South Pole, equivalent to EPSG:3409 */
|
|
#define SRID_SOUTH_LAMBERT 999161
|
|
|
|
/** PolarSteregraphic South, equivalent to EPSG:3031 */
|
|
#define SRID_SOUTH_STEREO 999162
|
|
|
|
/** LAEA zones start (6 latitude bands x up to 20 longitude bands) */
|
|
#define SRID_LAEA_START 999163
|
|
|
|
/** LAEA zones end (6 latitude bands x up to 20 longitude bands) */
|
|
#define SRID_LAEA_END 999283
|
|
|
|
|
|
/** @} */
|
|
|