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MobilityDB 1.3
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MobilityDB 1.3
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Functions for geometry/geography types corresponding to external PostGIS functions in order to bypass the function manager in fmgr.c.
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#include "geo/postgis_funcs.h"#include <assert.h>#include <float.h>#include <geos_c.h>#include <liblwgeom.h>#include <lwgeom_log.h>#include <intervaltree.h>#include <lwgeom_geos.h>#include <meos.h>#include <meos_internal.h>#include "temporal/postgres_types.h"#include "temporal/type_util.h"#include "geo/meos_transform.h"#include "geo/tgeo.h"#include "geo/tgeo_spatialfuncs.h"Data Structures | |
| struct | Circle |
| Definition of the 2D circle structure. More... | |
Macros | |
| #define | MAXBOX3DLEN 255 |
| #define | MAXGBOXLEN 255 |
| #define | PG_PARSER_ERROR(lwg_parser_result) |
| #define | PGIS_FP_TOLERANCE 1e-12 |
Functions | |
| LWGEOM * | box2d_to_lwgeom (GBOX *box, int32_t srid) |
| Create a geometry from a BOX2D. More... | |
| BOX3D * | box3d_make (double xmin, double xmax, double ymin, double ymax, double zmin, double zmax, int32 srid) |
| Return a PostGIS BOX3D from the arguments. More... | |
| char * | box3d_out (const BOX3D *box, int maxdd) |
| Return the string representation of a PostGIS BOX3D. More... | |
| LWGEOM * | box3d_to_lwgeom (BOX3D *box) |
Create a geometry from a BOX3D. More... | |
| LWPOINT * | cart_to_lwpoint (const double_t x_sum, const double_t y_sum, const double_t z_sum, const double_t weight_sum, const int32_t srid) |
| static double | distance_point2d (POINT2D a, POINT2D b) |
| Return the distance between two points. More... | |
| GBOX * | gbox_make (bool hasz, double xmin, double xmax, double ymin, double ymax, double zmin, double zmax) |
| Return a PostGIS GBOX from the arguments. More... | |
| char * | gbox_out (const GBOX *box, int maxdd) |
| Return the string representation of a PostGIS GBOX. More... | |
| uint8_t * | geo_as_ewkb (const GSERIALIZED *gs, const char *endian, size_t *size) |
| Return the Extended Well-Known Binary (EWKB) representation of a geometry/geography. More... | |
| char * | geo_as_ewkt (const GSERIALIZED *gs, int precision) |
| Return the Extended Well-Known Text (EWKT) representation of a geometry/geography. More... | |
| char * | geo_as_geojson (const GSERIALIZED *gs, int option, int precision, const char *srs) |
| Return the GeoJSON representation of a geometry/geography. More... | |
| char * | geo_as_hexewkb (const GSERIALIZED *gs, const char *endian) |
| Return the ASCII hex-encoded Well-Known Binary (HexWKB) representation of a geometry/geography. More... | |
| char * | geo_as_text (const GSERIALIZED *gs, int precision) |
| Return the Well-Known Text (WKT) representation of a geometry/geography. More... | |
| char * | geo_as_wkt (const GSERIALIZED *gs, int precision, bool extended) |
| Return the (Extended) Well-Known Text (EWKT or WKT) representation of a geometry/geography. More... | |
| GSERIALIZED * | geo_collect_garray (GSERIALIZED **gsarr, int nelems) |
| Collect the array of geometries/geographies into a geo collection. More... | |
| GSERIALIZED * | geo_copy (const GSERIALIZED *gs) |
| Return a copy of a geometry. More... | |
| int | geo_equals (const GSERIALIZED *gs1, const GSERIALIZED *gs2) |
| Return true if the geometries/geographies are equal, false otherwise. More... | |
| GSERIALIZED ** | geo_extract_elements (const GSERIALIZED *gs, int *count) |
| Extract the first-level elements of a gemetry collection. More... | |
| GSERIALIZED * | geo_from_ewkb (const uint8_t *wkb, size_t wkb_size, int32 srid) |
| Return a geometry/geography from its EWKB representation. More... | |
| GSERIALIZED * | geo_from_geojson (const char *geojson) |
| Return a geometry/geography from its GeoJSON representation. More... | |
| GSERIALIZED * | geo_from_text (const char *wkt, int32_t srid) |
| Return a geometry/geography from its WKT representation (and optionally a SRID) More... | |
| GSERIALIZED * | geo_geo_n (const GSERIALIZED *gs, int n) |
| Return a copy of the n-th composing geometry of a geometry. More... | |
| bool | geo_is_empty (const GSERIALIZED *gs) |
| Get the SRID of a geometry/geography. More... | |
| bool | geo_is_unitary (const GSERIALIZED *gs) |
| GSERIALIZED * | geo_makeline_garray (GSERIALIZED **gsarr, int count) |
| Return a line from an array of geometries/geographies. More... | |
| int | geo_num_geos (const GSERIALIZED *gs) |
| Return the number of composing geometries of a geometry. More... | |
| int | geo_num_points (const GSERIALIZED *gs) |
| Return the number of points of a geometry. More... | |
| char * | geo_out (const GSERIALIZED *gs) |
| Return the ASCII hex-encoded Well-Known Binary (HexWKB) representation of a geometry/geography. More... | |
| GSERIALIZED ** | geo_pointarr (const GSERIALIZED *gs, int *count) |
| Return a point array containing all the coordinates of a geometry. More... | |
| GSERIALIZED * | geo_points (const GSERIALIZED *gs) |
| Return a MultiPoint containing all the coordinates of a geometry. More... | |
| GSERIALIZED * | geo_reverse (const GSERIALIZED *gs) |
| Reverse vertex order of a geometry. More... | |
| bool | geo_same (const GSERIALIZED *gs1, const GSERIALIZED *gs2) |
| Return true if the geometries/geographies are the same. More... | |
| GSERIALIZED * | geo_serialize (const LWGEOM *geom) |
| Serialize a geometry/geography. More... | |
| GSERIALIZED * | geo_set_srid (const GSERIALIZED *gs, int32_t srid) |
| Set the SRID of a geometry/geography. More... | |
| int32_t | geo_srid (const GSERIALIZED *gs) |
| Get the SRID of a geometry/geography. More... | |
| GSERIALIZED * | geo_transform (const GSERIALIZED *gs, int32_t srid_to) |
| Return the geometry/geography transformed to an SRID. More... | |
| GSERIALIZED * | geo_transform_pipeline (const GSERIALIZED *gs, char *pipeline, int32_t srid_to, bool is_forward) |
| Return a geometry/geography transformed to another SRID using a pipeline. More... | |
| const char * | geo_typename (int type) |
| Return a string representation of a geometry's type. More... | |
| double | geog_area (const GSERIALIZED *gs, bool use_spheroid) |
| Return the area of a geography in square meters. More... | |
| GSERIALIZED * | geog_centroid (const GSERIALIZED *g, bool use_spheroid) |
| Return the centroid of a geometry. More... | |
| double | geog_distance (const GSERIALIZED *gs1, const GSERIALIZED *gs2) |
| Return the distance between two geographies. More... | |
| bool | geog_dwithin (const GSERIALIZED *gs1, const GSERIALIZED *gs2, double tolerance, bool use_spheroid) |
| Return true if two geographies are within a distance. More... | |
| GSERIALIZED * | geog_from_hexewkb (const char *wkt) |
| Return a geography from its ASCII hex-encoded Well-Known Binary (HexEWKB) representation. More... | |
| GSERIALIZED * | geog_from_lwgeom (LWGEOM *lwgeom, int32 typmod) |
| Return a geography from a LWGEOM. More... | |
| GSERIALIZED * | geog_in (const char *str, int32 typmod) |
| Return a geography from its Well-Known Text or Binary (WKT or Binary) representation. More... | |
| bool | geog_intersects (const GSERIALIZED *gs1, const GSERIALIZED *gs2, bool use_spheroid) |
| Return true if the geographies intersect. More... | |
| double | geog_length (const GSERIALIZED *gs, bool use_spheroid) |
| Return double length in meters. More... | |
| double | geog_perimeter (const GSERIALIZED *gs, bool use_spheroid) |
| Return the perimeter of a geography in meters. More... | |
| GSERIALIZED * | geog_serialize (LWGEOM *lwgeom) |
| Utility method to call the serialization and then set the PgSQL varsize header appropriately with the serialized size. More... | |
| GSERIALIZED * | geog_to_geom (const GSERIALIZED *gs) |
| Return a geometry from a geography. More... | |
| GSERIALIZED * | geogpoint_make2d (int32_t srid, double x, double y) |
| Return a 2D geography point constructed from the arguments. More... | |
| GSERIALIZED * | geogpoint_make3dz (int32_t srid, double x, double y, double z) |
| Return a 3DZ geography point constructed from the arguments. More... | |
| LWPOINT * | geography_centroid_from_mline (const LWMLINE *mline, SPHEROID *s) |
| Split lines into segments and calculate with middle of segment as weighted point. More... | |
| LWPOINT * | geography_centroid_from_mpoly (const LWMPOLY *mpoly, bool use_spheroid, SPHEROID *s) |
| Split polygons into triangles and use centroid of the triangle with the triangle area as weight to calculate the centroid of a (multi)polygon. More... | |
| LWPOINT * | geography_centroid_from_wpoints (const int32_t srid, const POINT3DM *points, const uint32_t size) |
| Convert lat-lon-points to x-y-z-coordinates, calculate a weighted average point and return lat-lon-coordinated. More... | |
| void | geography_valid_type (uint8_t type) |
| Ensure that the geography type is valid The geography type only support POINT, LINESTRING, POLYGON, MULTI* variants of same, and GEOMETRYCOLLECTION. More... | |
| GSERIALIZED * | geom_array_union (GSERIALIZED **gsarr, int count) |
| Return the union of an array of geometries. More... | |
| bool | geom_azimuth (const GSERIALIZED *gs1, const GSERIALIZED *gs2, double *result) |
| Return in the last argument the azimuth of a segment defined by two points. More... | |
| GSERIALIZED * | geom_boundary (const GSERIALIZED *gs) |
| Return the boundary of a geometry. More... | |
| GSERIALIZED * | geom_buffer (const GSERIALIZED *gs, double size, const char *params) |
Return a POLYGON or a MULTIPOLYGON that represents all points whose distance from a geometry/geography is less than or equal to a given distance. More... | |
| GSERIALIZED * | geom_centroid (const GSERIALIZED *gs) |
| Return the centroid of a geometry. More... | |
| bool | geom_contains (const GSERIALIZED *gs1, const GSERIALIZED *gs2) |
| Return true if the first geometry contains the second one. More... | |
| GSERIALIZED * | geom_convex_hull (const GSERIALIZED *gs) |
| Return the convex hull of the geometry. More... | |
| bool | geom_covers (const GSERIALIZED *gs1, const GSERIALIZED *gs2) |
| Return true if the first geometry covers the second one. More... | |
| GSERIALIZED * | geom_difference2d (const GSERIALIZED *gs1, const GSERIALIZED *gs2) |
| Return the difference of two geometries. More... | |
| bool | geom_disjoint2d (const GSERIALIZED *gs1, const GSERIALIZED *gs2) |
| Return true if two geometries are disjoint in 2D. More... | |
| double | geom_distance2d (const GSERIALIZED *gs1, const GSERIALIZED *gs2) |
| Return the distance between two geometries. More... | |
| double | geom_distance3d (const GSERIALIZED *gs1, const GSERIALIZED *gs2) |
| Return the 3D distance between two geometries. More... | |
| bool | geom_dwithin2d (const GSERIALIZED *gs1, const GSERIALIZED *gs2, double tolerance) |
| Return true if two geometries are within a distance. More... | |
| bool | geom_dwithin3d (const GSERIALIZED *gs1, const GSERIALIZED *gs2, double tolerance) |
| Return true if two geometries are within a distance. More... | |
| GSERIALIZED * | geom_from_hexewkb (const char *wkt) |
| Return a geometry from its ASCII hex-encoded Well-Known Binary (HexEWKB) representation. More... | |
| GSERIALIZED * | geom_in (const char *str, int32 typmod) |
| Return a geometry from its Well-Known Text (WKT), Well-Known Binary (WKB) or GeoJSON representation. More... | |
| GSERIALIZED * | geom_intersection2d (const GSERIALIZED *gs1, const GSERIALIZED *gs2) |
| Return the intersection of two geometries. More... | |
| GSERIALIZED * | geom_intersection2d_coll (const GSERIALIZED *gs1, const GSERIALIZED *gs2) |
| Call function geom_intersection2d for each element of the collection if the arguments are collections. More... | |
| bool | geom_intersects2d (const GSERIALIZED *gs1, const GSERIALIZED *gs2) |
| Return true if two geometries intersects. More... | |
| bool | geom_intersects3d (const GSERIALIZED *gs1, const GSERIALIZED *gs2) |
| Return true if the 3D geometries intersect. More... | |
| double | geom_length (const GSERIALIZED *gs) |
| Return the length of a geometry. More... | |
| GSERIALIZED * | geom_min_bounding_radius (const GSERIALIZED *geom, double *radius) |
| Return the center point and radius of the smallest circle that contains a geometry. More... | |
| double | geom_perimeter (const GSERIALIZED *gs) |
| Return the perimeter of a geometry. More... | |
| bool | geom_relate_pattern (const GSERIALIZED *gs1, const GSERIALIZED *gs2, char *p) |
| Return true if two geometries satisfy a spatial relationship given by a pattern. More... | |
| GSERIALIZED * | geom_serialize (LWGEOM *lwgeom) |
| Utility method to call the serialization and then set the PgSQL varsize header appropriately with the serialized size. More... | |
| GSERIALIZED * | geom_shortestline2d (const GSERIALIZED *gs1, const GSERIALIZED *gs2) |
| Return the shortest 2D line between two geometries. More... | |
| GSERIALIZED * | geom_shortestline3d (const GSERIALIZED *gs1, const GSERIALIZED *gs2) |
| Return the shortest line between two 3D geometries. More... | |
| bool | geom_spatialrel (const GSERIALIZED *gs1, const GSERIALIZED *gs2, spatialRel rel) |
| Return true if two geometries satisfy a given spatial relationship, where the function called depend on the third argument. More... | |
| GSERIALIZED * | geom_to_geog (const GSERIALIZED *gs) |
| Return a geography from a geometry. More... | |
| bool | geom_touches (const GSERIALIZED *gs1, const GSERIALIZED *gs2) |
| Return true if the two geometries intersect on a border. More... | |
| GSERIALIZED * | geom_unary_union (const GSERIALIZED *gs, double prec) |
| Return the unary union of a geometry. More... | |
| GSERIALIZED * | geompoint_make2d (int32_t srid, double x, double y) |
| Return a 2D geometry point constructed from the arguments. More... | |
| GSERIALIZED * | geompoint_make3dz (int32_t srid, double x, double y, double z) |
| Return a 3DZ geometry point constructed from the arguments. More... | |
| GSERIALIZED * | GEOS2POSTGIS (GEOSGeom geom, char want3d) |
| Tranform a GEOS geometry to a PostGIS one. More... | |
| static char | gserialized_is_point (const GSERIALIZED *gs) |
| Return true if a geometry is a point. More... | |
| static char | gserialized_is_poly (const GSERIALIZED *gs) |
| Return true if a geometry is a polygon. More... | |
| bool | itree_pip_contains (const IntervalTree *itree, const LWGEOM *lwpoints) |
| bool | itree_pip_covers (const IntervalTree *itree, const LWGEOM *lwpoints) |
| bool | itree_pip_intersects (const IntervalTree *itree, const LWGEOM *lwpoints) |
| GSERIALIZED * | line_interpolate_point (const GSERIALIZED *gs, double fraction, bool repeat) |
| Interpolate one or several points from a line. More... | |
| double | line_locate_point (const GSERIALIZED *gs1, const GSERIALIZED *gs2) |
| Locate a point into a line. More... | |
| int | line_numpoints (const GSERIALIZED *gs) |
| Return the number of points of a line. More... | |
| GSERIALIZED * | line_point_n (const GSERIALIZED *gs, int n) |
| Return the n-th point of a line. More... | |
| GSERIALIZED * | line_substring (const GSERIALIZED *gs, double from, double to) |
| Return a subline from a line. More... | |
| POINT3D * | lonlat_to_cart (const double_t raw_lon, const double_t raw_lat) |
| static void | lwgeom_collect_points (const LWGEOM *geom, MeosArray *array) |
| Extract coordinates from LWGEOM. More... | |
| LWGEOM * | lwgeom_line_interpolate_point (LWGEOM *lwgeom, double fraction, int32_t srid, char repeat) |
| Interpolate a point from a line. More... | |
| static Circle | lwgeom_mec (const LWGEOM *geom) |
| Computation of the Minimum Enclosing Circle. More... | |
| static bool | lwgeom_mec_supported_type (const LWGEOM *geom) |
| Return true if the geometry type is one of the supported types for the MEOS fast Minimum Bounding Circle. More... | |
| static Circle | mec_circle2 (POINT2D a, POINT2D b) |
| Circle constructor for 2 points. More... | |
| static Circle | mec_circle3 (POINT2D a, POINT2D b, POINT2D c) |
| Circle constructor for 3 points. More... | |
| static Circle | mec_circle3_safe (POINT2D a, POINT2D b, POINT2D c) |
| Return the minimum enclosing circle for 3 points, handling the collinear case by falling back to the best 2-point circle. More... | |
| static bool | mec_inside (POINT2D p, Circle c) |
| Return true if a point is inside a circle. More... | |
| static Circle | mec_welzl (POINT2D *P, int n) |
| Iterative Welzl algorithm for the minimum enclosing circle. More... | |
| static char | meos_call_geos2 (const GSERIALIZED *gs1, const GSERIALIZED *gs2, char(*func)(const GEOSGeometry *geos1, const GEOSGeometry *geos2)) |
Transform two GSERIALIZED geometries into GEOSGeometry and call the GEOS function passed as argument. More... | |
| static bool | meos_point_in_polygon (const GSERIALIZED *gs1, const GSERIALIZED *gs2, spatialRel rel) |
| Return -1, 0, or 1 depending on whether a (multi)point is completely outside, on the boundary, or completely inside a (multi)polygon. More... | |
| GEOSGeometry * | POSTGIS2GEOS (const GSERIALIZED *gs) |
| Tranform a PostGIS geometry to a GEOS one. More... | |
| GSERIALIZED * | postgis_valid_typmod (GSERIALIZED *gs, int32_t typmod) |
| Check the consistency of the metadata to enforce in the typmod: SRID, type, and dimensionality. More... | |
| int | spheroid_init_from_srid (int32_t srid, SPHEROID *s) |
| Return 1 if the spheroid in the last argument was initialized from an SRID, return 0 otherwise. More... | |
Variables | |
| static const char * | _GEO_TYPENAME [] |
| Global constant array containing the geometry type strings. More... | |
Functions for geometry/geography types corresponding to external PostGIS functions in order to bypass the function manager in fmgr.c.
1.9.5