Collaboration diagram for Projector:

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Public Types
enum	CRS_mode { ACCEPT_CRS , REMOVE_CRS , FORCE_CRS }

enum	PROJDEF_variant { ORIG , MODIFIED , PROJ4 , PROJ5 , SIMPLE }
	Each projector has three (3) versions of project definition.

typedef drain::Dictionary< std::string, std::string >	ProjDef

Public Member Functions
	Projector (const std::string &projDef="", CRS_mode crs=ACCEPT_CRS)

	Projector (PJ_CONTEXT *pjContext, const std::string &projDef="", CRS_mode crs=ACCEPT_CRS)

	Projector (const Projector &pr)

const std::string &	getProjDef (PROJDEF_variant v=SIMPLE) const

void	clear ()
	Deletes projection object and clears all the metadata.

void	setProjection (const std::string &str, CRS_mode crs=FORCE_CRS)
	Sets projection defined as Proj string.

void	setProjection (int epsg, CRS_mode crs=FORCE_CRS)
	Sets projection defined as EPSG code.

void	createProjection (CRS_mode crs)

bool	isSet () const
	Returns true, if PJ object has been set.

bool	isLongLat () const

int	getEPSG () const

void	info (std::ostream &ostr=std::cout, int wkt=-1)
	Prunes "+init=epsg:<...>" and optionally "+type=crs" codes.

std::string	getErrorString () const

void	info (PJ *pj, std::ostream &ostr=std::cout, int wkt=-1)
	Dump misc information, for debugging.

Static Public Member Functions
static int	extractEPSG (const std::string &projDef)

Static Public Attributes
static const std::string	proj4version = drain::StringBuilder<'.'>(PROJ_VERSION_MAJOR, PROJ_VERSION_MINOR, PROJ_VERSION_PATCH)

Protected Member Functions
void	storeProjDef (const std::string &str)

Static Protected Member Functions
static void	getProjDefStr (const ProjDef &dict, std::stringstream &sstr, const std::set< std::string > &excludeKeys={"+type"})

static bool	isLongLat (const PJ *prj)
	For setting projection.

Protected Attributes
PJ_CONTEXT *	pjContext
	Metadata for PROJ (introduced in latest versions, currently not used by Drain & Rack )

PJ *	pj
	Essential member: the pointer to a PJ object. This is the primary description of state.

ProjDef	projDefDict
	Secondary description of state.

int	epsg = 0

std::map< PROJDEF_variant, std::string >	projDefs

Member Function Documentation

◆ isLongLat()

bool isLongLat ( const PJ * prj )

staticprotected

For setting projection.

Parameters

projStr	- string in Proj format
CRS	- set or unset

The documentation for this class was generated from the following files: