liblwgeom/lwgeom_geos.c File Reference

#include "lwgeom_geos.h"
#include "liblwgeom.h"
#include "liblwgeom_internal.h"
#include "lwgeom_log.h"
#include "lwrandom.h"
#include <stdarg.h>
#include <stdlib.h>

Include dependency graph for liblwgeom/lwgeom_geos.c:

Go to the source code of this file.

Macros
#define	AUTOFIX   LW_TRUE
#define	LWGEOM_GEOS_ERRMSG_MAXSIZE   256
#define	GEOS_FREE(...)
#define	GEOS_FAIL()
#define	GEOS_FAIL_DEBUG()
#define	GEOS_FREE_AND_FAIL(...)
#define	GEOS_FREE_AND_FAIL_DEBUG(...)
#define	RESULT_SRID(...)    (get_result_srid((sizeof((const void*[]){__VA_ARGS__})/sizeof(void*)), __func__, __VA_ARGS__))

Functions
LWTIN *	lwtin_from_geos (const GEOSGeometry *geom, uint8_t want3d)
void	lwgeom_geos_error (const char *fmt,...)
static void	geos_destroy (size_t count,...)
POINTARRAY *	ptarray_from_GEOSCoordSeq (const GEOSCoordSequence *cs, uint8_t want3d)
LWGEOM *	GEOS2LWGEOM (const GEOSGeometry *geom, uint8_t want3d)
GEOSCoordSeq	ptarray_to_GEOSCoordSeq (const POINTARRAY *, uint8_t fix_ring)
static GEOSGeometry *	ptarray_to_GEOSLinearRing (const POINTARRAY *pa, uint8_t autofix)
GEOSGeometry *	GBOX2GEOS (const GBOX *box)
GEOSGeometry *	LWGEOM2GEOS (const LWGEOM *lwgeom, uint8_t autofix)
GEOSGeometry *	make_geos_point (double x, double y)
GEOSGeometry *	make_geos_segment (double x1, double y1, double x2, double y2)
const char *	lwgeom_geos_version ()
	Return GEOS version string (not to be freed) More...
static int32_t	get_result_srid (size_t count, const char *funcname,...)
LWGEOM *	lwgeom_normalize (const LWGEOM *geom)
LWGEOM *	lwgeom_intersection (const LWGEOM *g1, const LWGEOM *g2)
LWGEOM *	lwgeom_intersection_prec (const LWGEOM *geom1, const LWGEOM *geom2, double prec)
LWGEOM *	lwgeom_linemerge (const LWGEOM *geom)
LWGEOM *	lwgeom_unaryunion (const LWGEOM *geom)
LWGEOM *	lwgeom_unaryunion_prec (const LWGEOM *geom, double prec)
LWGEOM *	lwgeom_difference (const LWGEOM *geom1, const LWGEOM *geom2)
LWGEOM *	lwgeom_difference_prec (const LWGEOM *geom1, const LWGEOM *geom2, double prec)
LWGEOM *	lwgeom_symdifference (const LWGEOM *geom1, const LWGEOM *geom2)
LWGEOM *	lwgeom_symdifference_prec (const LWGEOM *geom1, const LWGEOM *geom2, double prec)
LWGEOM *	lwgeom_centroid (const LWGEOM *geom)
LWGEOM *	lwgeom_reduceprecision (const LWGEOM *geom, double gridSize)
LWGEOM *	lwgeom_pointonsurface (const LWGEOM *geom)
LWGEOM *	lwgeom_union (const LWGEOM *g1, const LWGEOM *g2)
LWGEOM *	lwgeom_union_prec (const LWGEOM *geom1, const LWGEOM *geom2, double gridSize)
LWGEOM *	lwgeom_clip_by_rect (const LWGEOM *geom1, double x1, double y1, double x2, double y2)
LWGEOM *	lwgeom_buildarea (const LWGEOM *geom)
	Take a geometry and return an areal geometry (Polygon or MultiPolygon). More...
int	lwgeom_is_simple (const LWGEOM *geom)
LWGEOM *	lwgeom_geos_noop (const LWGEOM *geom)
	Convert an LWGEOM to a GEOS Geometry and convert back – for debug only. More...
LWGEOM *	lwgeom_snap (const LWGEOM *geom1, const LWGEOM *geom2, double tolerance)
	Snap vertices and segments of a geometry to another using a given tolerance. More...
LWGEOM *	lwgeom_sharedpaths (const LWGEOM *geom1, const LWGEOM *geom2)
static LWGEOM *	lwline_offsetcurve (const LWLINE *lwline, double size, int quadsegs, int joinStyle, double mitreLimit)
static LWGEOM *	lwcollection_offsetcurve (const LWCOLLECTION *col, double size, int quadsegs, int joinStyle, double mitreLimit)
LWGEOM *	lwgeom_offsetcurve (const LWGEOM *geom, double size, int quadsegs, int joinStyle, double mitreLimit)
LWMPOINT *	lwpoly_to_points (const LWPOLY *lwpoly, uint32_t npoints, int32_t seed)
LWMPOINT *	lwmpoly_to_points (const LWMPOLY *lwmpoly, uint32_t npoints, int32_t seed)
LWMPOINT *	lwgeom_to_points (const LWGEOM *lwgeom, uint32_t npoints, int32_t seed)
LWGEOM *	lwgeom_delaunay_triangulation (const LWGEOM *geom, double tolerance, int32_t output)
	Take vertices of a geometry and build a delaunay triangulation on them. More...
static GEOSCoordSequence *	lwgeom_get_geos_coordseq_2d (const LWGEOM *g, uint32_t num_points)
LWGEOM *	lwgeom_voronoi_diagram (const LWGEOM *g, const GBOX *env, double tolerance, int output_edges)
	Take vertices of a geometry and build the Voronoi diagram. More...

Variables
char	lwgeom_geos_errmsg [LWGEOM_GEOS_ERRMSG_MAXSIZE]