ogr_geometry.h File Reference

#include "cpl_conv.h"
#include "cpl_json.h"
#include "ogr_core.h"
#include "ogr_spatialref.h"
#include <memory>

Go to the source code of this file.

Classes
class	OGRRawPoint
class	IOGRGeometryVisitor
class	OGRDefaultGeometryVisitor
class	IOGRConstGeometryVisitor
class	OGRDefaultConstGeometryVisitor
class	OGRGeometry
class	OGRPoint
class	OGRPointIterator
class	OGRCurve
class	OGRSimpleCurve
class	OGRLineString
class	OGRLinearRing
class	OGRCircularString
class	OGRCompoundCurve
class	OGRSurface
class	OGRCurvePolygon
class	OGRPolygon
class	OGRTriangle
class	OGRGeometryCollection
class	OGRMultiSurface
class	OGRMultiPolygon
class	OGRPolyhedralSurface
class	OGRTriangulatedSurface
class	OGRMultiPoint
class	OGRMultiCurve
class	OGRMultiLineString
class	OGRGeometryFactory
class	OGRGeometryFactory::TransformWithOptionsCache

Typedefs
typedef struct GEOSGeom_t *	GEOSGeom
typedef struct GEOSContextHandle_HS *	GEOSContextHandle_t
typedef void	sfcgal_geometry_t
typedef std::unique_ptr< OGRGeometry, OGRGeometryUniquePtrDeleter >	OGRGeometryUniquePtr
typedef struct _OGRPreparedGeometry	OGRPreparedGeometry
typedef std::unique_ptr< OGRPreparedGeometry, OGRPreparedGeometryUniquePtrDeleter >	OGRPreparedGeometryUniquePtr

Functions
OGRwkbGeometryType	OGRFromOGCGeomType (const char *pszGeomType)
const char *	OGRToOGCGeomType (OGRwkbGeometryType eGeomType)
int	OGRHasPreparedGeometrySupport ()

Detailed Description

Simple feature geometry classes.

Typedef Documentation

GEOSContextHandle_t

typedef struct GEOSContextHandle_HS* GEOSContextHandle_t

GEOS context handle type

GEOSGeom

typedef struct GEOSGeom_t* GEOSGeom

GEOS geometry type

OGRGeometryUniquePtr

typedef std::unique_ptr<OGRGeometry, OGRGeometryUniquePtrDeleter> OGRGeometryUniquePtr

Unique pointer type for OGRGeometry.

Since

GDAL 2.3

OGRPreparedGeometry

typedef struct _OGRPreparedGeometry OGRPreparedGeometry

Prepared geometry API (needs GEOS >= 3.1.0)

OGRPreparedGeometryUniquePtr

typedef std::unique_ptr<OGRPreparedGeometry, OGRPreparedGeometryUniquePtrDeleter> OGRPreparedGeometryUniquePtr

Unique pointer type for OGRPreparedGeometry.

Since

GDAL 2.3

sfcgal_geometry_t

typedef void sfcgal_geometry_t

SFCGAL geometry type

Function Documentation

OGRFromOGCGeomType()

OGRwkbGeometryType OGRFromOGCGeomType

(

const char *

pszGeomType

)

Map OGCgeometry format type to corresponding OGR constants.

Parameters

pszGeomType

POINT[ ][Z][M], LINESTRING[ ][Z][M], etc...

Returns

OGR constant.

References STARTS_WITH_CI, wkbCircularString, wkbCompoundCurve, wkbCurve, wkbCurvePolygon, wkbGeometryCollection, wkbLineString, wkbMultiCurve, wkbMultiLineString, wkbMultiPoint, wkbMultiPolygon, wkbMultiSurface, wkbPoint, wkbPolygon, wkbPolyhedralSurface, wkbSetM, wkbSetZ, wkbSurface, wkbTIN, wkbTriangle, and wkbUnknown.

OGRHasPreparedGeometrySupport()

int OGRHasPreparedGeometrySupport

(

)

Returns if GEOS has prepared geometry support.

Returns

TRUE or FALSE

Referenced by OGRLayer::Identity(), OGRLayer::Intersection(), and OGRLayer::Union().

OGRToOGCGeomType()

const char* OGRToOGCGeomType

(

OGRwkbGeometryType

eGeomType

)

Map OGR geometry format constants to corresponding OGC geometry type.

Parameters

eGeomType

OGR geometry type

Returns

string with OGC geometry type (without dimensionality)

References wkbCircularString, wkbCompoundCurve, wkbCurve, wkbCurvePolygon, wkbFlatten, wkbGeometryCollection, wkbLineString, wkbMultiCurve, wkbMultiLineString, wkbMultiPoint, wkbMultiPolygon, wkbMultiSurface, wkbPoint, wkbPolygon, wkbPolyhedralSurface, wkbSurface, wkbTIN, wkbTriangle, and wkbUnknown.