lwgeom_functions_basic.c File Reference
#include "postgres.h"#include "fmgr.h"#include "utils/elog.h"#include "utils/array.h"#include "utils/geo_decls.h"#include "../postgis_config.h"#include "liblwgeom.h"#include "lwgeom_pg.h"#include <math.h>#include <float.h>#include <string.h>#include <stdio.h>#include <errno.h>
Include dependency graph for lwgeom_functions_basic.c:
Go to the source code of this file.
Functions | |
| Datum | LWGEOM_mem_size (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_summary (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_npoints (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_nrings (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_area_polygon (PG_FUNCTION_ARGS) |
| Datum | postgis_uses_stats (PG_FUNCTION_ARGS) |
| Datum | postgis_autocache_bbox (PG_FUNCTION_ARGS) |
| Datum | postgis_scripts_released (PG_FUNCTION_ARGS) |
| Datum | postgis_version (PG_FUNCTION_ARGS) |
| Datum | postgis_liblwgeom_version (PG_FUNCTION_ARGS) |
| Datum | postgis_lib_version (PG_FUNCTION_ARGS) |
| Datum | postgis_svn_version (PG_FUNCTION_ARGS) |
| Datum | postgis_libxml_version (PG_FUNCTION_ARGS) |
| Datum | postgis_lib_build_date (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_length2d_linestring (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_length_linestring (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_perimeter2d_poly (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_perimeter_poly (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_maxdistance2d_linestring (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_mindistance2d (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_closestpoint (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_shortestline2d (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_longestline2d (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_dwithin (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_dfullywithin (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_maxdistance3d (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_mindistance3d (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_closestpoint3d (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_shortestline3d (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_longestline3d (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_dwithin3d (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_dfullywithin3d (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_inside_circle_point (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_collect (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_collect_garray (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_expand (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_to_BOX (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_envelope (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_isempty (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_segmentize2d (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_reverse (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_force_clockwise_poly (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_force_sfs (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_noop (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_zmflag (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_hasz (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_hasm (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_ndims (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_makepoint (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_makepoint3dm (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_makeline_garray (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_makeline (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_makepoly (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_line_from_mpoint (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_addpoint (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_removepoint (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_setpoint_linestring (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_asEWKT (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_hasBBOX (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_azimuth (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_affine (PG_FUNCTION_ARGS) |
| Datum | LWGEOM_longitude_shift (PG_FUNCTION_ARGS) |
| Datum | optimistic_overlap (PG_FUNCTION_ARGS) |
| Datum | ST_GeoHash (PG_FUNCTION_ARGS) |
| Datum | ST_MakeEnvelope (PG_FUNCTION_ARGS) |
| Datum | ST_CollectionExtract (PG_FUNCTION_ARGS) |
| Datum | ST_CollectionHomogenize (PG_FUNCTION_ARGS) |
| Datum | ST_IsCollection (PG_FUNCTION_ARGS) |
| Datum | ST_WrapX (PG_FUNCTION_ARGS) |
| PG_FUNCTION_INFO_V1 (LWGEOM_mem_size) | |
| find the size of geometry More... | |
| PG_FUNCTION_INFO_V1 (LWGEOM_summary) | |
| get summary info on a GEOMETRY More... | |
| PG_FUNCTION_INFO_V1 (postgis_version) | |
| PG_FUNCTION_INFO_V1 (postgis_liblwgeom_version) | |
| PG_FUNCTION_INFO_V1 (postgis_lib_version) | |
| PG_FUNCTION_INFO_V1 (postgis_svn_version) | |
| PG_FUNCTION_INFO_V1 (postgis_lib_build_date) | |
| PG_FUNCTION_INFO_V1 (postgis_scripts_released) | |
| PG_FUNCTION_INFO_V1 (postgis_uses_stats) | |
| PG_FUNCTION_INFO_V1 (postgis_autocache_bbox) | |
| PG_FUNCTION_INFO_V1 (postgis_libxml_version) | |
| PG_FUNCTION_INFO_V1 (LWGEOM_npoints) | |
| number of points in an object More... | |
| PG_FUNCTION_INFO_V1 (LWGEOM_nrings) | |
| number of rings in an object More... | |
| PG_FUNCTION_INFO_V1 (LWGEOM_area_polygon) | |
| Calculate the area of all the subobj in a polygon area(point) = 0 area (line) = 0 area(polygon) = find its 2d area. More... | |
| PG_FUNCTION_INFO_V1 (LWGEOM_length2d_linestring) | |
| find the "length of a geometry" length2d(point) = 0 length2d(line) = length of line length2d(polygon) = 0 – could make sense to return sum(ring perimeter) uses euclidian 2d length (even if input is 3d) More... | |
| PG_FUNCTION_INFO_V1 (LWGEOM_length_linestring) | |
| find the "length of a geometry" length(point) = 0 length(line) = length of line length(polygon) = 0 – could make sense to return sum(ring perimeter) uses euclidian 3d/2d length depending on input dimensions. More... | |
| PG_FUNCTION_INFO_V1 (LWGEOM_perimeter_poly) | |
| find the "perimeter of a geometry" perimeter(point) = 0 perimeter(line) = 0 perimeter(polygon) = sum of ring perimeters uses euclidian 3d/2d computation depending on input dimension. More... | |
| PG_FUNCTION_INFO_V1 (LWGEOM_perimeter2d_poly) | |
| find the "perimeter of a geometry" perimeter(point) = 0 perimeter(line) = 0 perimeter(polygon) = sum of ring perimeters uses euclidian 2d computation even if input is 3d More... | |
| PG_FUNCTION_INFO_V1 (LWGEOM_force_2d) | |
| Datum | LWGEOM_force_2d (PG_FUNCTION_ARGS) |
| PG_FUNCTION_INFO_V1 (LWGEOM_force_3dz) | |
| Datum | LWGEOM_force_3dz (PG_FUNCTION_ARGS) |
| PG_FUNCTION_INFO_V1 (LWGEOM_force_3dm) | |
| transform input geometry to 3dm if not 3dm already More... | |
| Datum | LWGEOM_force_3dm (PG_FUNCTION_ARGS) |
| PG_FUNCTION_INFO_V1 (LWGEOM_force_4d) | |
| Datum | LWGEOM_force_4d (PG_FUNCTION_ARGS) |
| PG_FUNCTION_INFO_V1 (LWGEOM_force_collection) | |
| transform input geometry to a collection type More... | |
| Datum | LWGEOM_force_collection (PG_FUNCTION_ARGS) |
| PG_FUNCTION_INFO_V1 (LWGEOM_force_multi) | |
| transform input geometry to a multi* type More... | |
| Datum | LWGEOM_force_multi (PG_FUNCTION_ARGS) |
| PG_FUNCTION_INFO_V1 (LWGEOM_force_curve) | |
| transform input geometry to a curved type More... | |
| Datum | LWGEOM_force_curve (PG_FUNCTION_ARGS) |
| PG_FUNCTION_INFO_V1 (LWGEOM_force_sfs) | |
| transform input geometry to a SFS 1.1 geometry type compliant More... | |
| PG_FUNCTION_INFO_V1 (LWGEOM_closestpoint) | |
| Returns the point in first input geometry that is closest to the second input geometry in 2d. More... | |
| PG_FUNCTION_INFO_V1 (LWGEOM_shortestline2d) | |
| Returns the shortest 2d line between two geometries. More... | |
| PG_FUNCTION_INFO_V1 (LWGEOM_longestline2d) | |
| Returns the longest 2d line between two geometries. More... | |
| PG_FUNCTION_INFO_V1 (LWGEOM_mindistance2d) | |
| Minimum 2d distance between objects in geom1 and geom2. More... | |
| PG_FUNCTION_INFO_V1 (LWGEOM_dwithin) | |
| Returns boolean describing if mininimum 2d distance between objects in geom1 and geom2 is shorter than tolerance. More... | |
| PG_FUNCTION_INFO_V1 (LWGEOM_dfullywithin) | |
| Returns boolean describing if maximum 2d distance between objects in geom1 and geom2 is shorter than tolerance. More... | |
| PG_FUNCTION_INFO_V1 (LWGEOM_maxdistance2d_linestring) | |
| Maximum 2d distance between objects in geom1 and geom2. More... | |
| PG_FUNCTION_INFO_V1 (LWGEOM_closestpoint3d) | |
| Returns the point in first input geometry that is closest to the second input geometry in 3D. More... | |
| PG_FUNCTION_INFO_V1 (LWGEOM_shortestline3d) | |
| Returns the shortest line between two geometries in 3D. More... | |
| PG_FUNCTION_INFO_V1 (LWGEOM_longestline3d) | |
| Returns the longest line between two geometries in 3D. More... | |
| PG_FUNCTION_INFO_V1 (LWGEOM_mindistance3d) | |
| Minimum 2d distance between objects in geom1 and geom2 in 3D. More... | |
| PG_FUNCTION_INFO_V1 (LWGEOM_dwithin3d) | |
| Returns boolean describing if mininimum 3d distance between objects in geom1 and geom2 is shorter than tolerance. More... | |
| PG_FUNCTION_INFO_V1 (LWGEOM_dfullywithin3d) | |
| Returns boolean describing if maximum 3d distance between objects in geom1 and geom2 is shorter than tolerance. More... | |
| PG_FUNCTION_INFO_V1 (LWGEOM_maxdistance3d) | |
| Maximum 3d distance between objects in geom1 and geom2. More... | |
| PG_FUNCTION_INFO_V1 (LWGEOM_longitude_shift) | |
| PG_FUNCTION_INFO_V1 (ST_WrapX) | |
| PG_FUNCTION_INFO_V1 (LWGEOM_inside_circle_point) | |
| PG_FUNCTION_INFO_V1 (LWGEOM_collect) | |
| collect( geom, geom ) returns a geometry which contains all the sub_objects from both of the argument geometries More... | |
| PG_FUNCTION_INFO_V1 (LWGEOM_collect_garray) | |
| collect_garray ( GEOMETRY[] ) returns a geometry which contains all the sub_objects from all of the geometries in given array. More... | |
| PG_FUNCTION_INFO_V1 (LWGEOM_line_from_mpoint) | |
| LineFromMultiPoint ( GEOMETRY ) returns a LINE formed by all the points in the in given multipoint. More... | |
| PG_FUNCTION_INFO_V1 (LWGEOM_makeline_garray) | |
| makeline_garray ( GEOMETRY[] ) returns a LINE formed by all the point geometries in given array. More... | |
| PG_FUNCTION_INFO_V1 (LWGEOM_makeline) | |
| makeline ( GEOMETRY, GEOMETRY ) returns a LINESTRIN segment formed by the given point geometries. More... | |
| PG_FUNCTION_INFO_V1 (LWGEOM_makepoly) | |
| makepoly( GEOMETRY, GEOMETRY[] ) returns a POLYGON formed by the given shell and holes geometries. More... | |
| PG_FUNCTION_INFO_V1 (LWGEOM_expand) | |
| makes a polygon of the expanded features bvol - 1st point = LL 3rd=UR 2d only. More... | |
| PG_FUNCTION_INFO_V1 (LWGEOM_to_BOX) | |
| Convert geometry to BOX (internal postgres type) More... | |
| PG_FUNCTION_INFO_V1 (LWGEOM_envelope) | |
| makes a polygon of the features bvol - 1st point = LL 3rd=UR 2d only. More... | |
| PG_FUNCTION_INFO_V1 (LWGEOM_isempty) | |
| PG_FUNCTION_INFO_V1 (LWGEOM_segmentize2d) | |
| Returns a modified geometry so that no segment is longer then the given distance (computed using 2d). More... | |
| PG_FUNCTION_INFO_V1 (LWGEOM_reverse) | |
| Reverse vertex order of geometry. More... | |
| PG_FUNCTION_INFO_V1 (LWGEOM_force_clockwise_poly) | |
| Force polygons of the collection to obey Right-Hand-Rule. More... | |
| PG_FUNCTION_INFO_V1 (LWGEOM_noop) | |
| Test deserialize/serialize operations. More... | |
| Datum | ST_Normalize (PG_FUNCTION_ARGS) |
| PG_FUNCTION_INFO_V1 (ST_Normalize) | |
| PG_FUNCTION_INFO_V1 (LWGEOM_zmflag) | |
| PG_FUNCTION_INFO_V1 (LWGEOM_hasz) | |
| PG_FUNCTION_INFO_V1 (LWGEOM_hasm) | |
| PG_FUNCTION_INFO_V1 (LWGEOM_hasBBOX) | |
| PG_FUNCTION_INFO_V1 (LWGEOM_ndims) | |
| Return: 2,3 or 4. More... | |
| PG_FUNCTION_INFO_V1 (LWGEOM_same) | |
| lwgeom_same(lwgeom1, lwgeom2) More... | |
| Datum | LWGEOM_same (PG_FUNCTION_ARGS) |
| PG_FUNCTION_INFO_V1 (ST_MakeEnvelope) | |
| PG_FUNCTION_INFO_V1 (ST_IsCollection) | |
| PG_FUNCTION_INFO_V1 (LWGEOM_makepoint) | |
| PG_FUNCTION_INFO_V1 (LWGEOM_makepoint3dm) | |
| PG_FUNCTION_INFO_V1 (LWGEOM_addpoint) | |
| PG_FUNCTION_INFO_V1 (LWGEOM_removepoint) | |
| PG_FUNCTION_INFO_V1 (LWGEOM_setpoint_linestring) | |
| PG_FUNCTION_INFO_V1 (LWGEOM_asEWKT) | |
| PG_FUNCTION_INFO_V1 (LWGEOM_azimuth) | |
| Compute the azimuth of segment defined by the two given Point geometries. More... | |
| PG_FUNCTION_INFO_V1 (optimistic_overlap) | |
| PG_FUNCTION_INFO_V1 (LWGEOM_affine) | |
| PG_FUNCTION_INFO_V1 (ST_GeoHash) | |
| PG_FUNCTION_INFO_V1 (ST_CollectionExtract) | |
| PG_FUNCTION_INFO_V1 (ST_CollectionHomogenize) | |
| Datum | ST_RemoveRepeatedPoints (PG_FUNCTION_ARGS) |
| PG_FUNCTION_INFO_V1 (ST_RemoveRepeatedPoints) | |
| Datum | ST_FlipCoordinates (PG_FUNCTION_ARGS) |
| PG_FUNCTION_INFO_V1 (ST_FlipCoordinates) | |
| static LWORD | ordname2ordval (char n) |
| Datum | ST_SwapOrdinates (PG_FUNCTION_ARGS) |
| PG_FUNCTION_INFO_V1 (ST_SwapOrdinates) | |
| Datum | ST_BoundingDiagonal (PG_FUNCTION_ARGS) |
| PG_FUNCTION_INFO_V1 (ST_BoundingDiagonal) | |
| Datum | ST_Scale (PG_FUNCTION_ARGS) |
| PG_FUNCTION_INFO_V1 (ST_Scale) | |
| Datum | ST_Points (PG_FUNCTION_ARGS) |
| PG_FUNCTION_INFO_V1 (ST_Points) | |
