#include <stdio.h>#include <stdlib.h>#include <stdarg.h>#include "liblwgeom_internal.h"#include "lwgeom_log.h"
Include dependency graph for lwgeom.c:
Go to the source code of this file.
Functions | |
| void | lwgeom_force_clockwise (LWGEOM *lwgeom) |
| Force Right-hand-rule on LWGEOM polygons. More... | |
| int | lwgeom_is_clockwise (LWGEOM *lwgeom) |
| Check clockwise orientation on LWGEOM polygons. More... | |
| void | lwgeom_reverse (LWGEOM *lwgeom) |
| Reverse vertex order of LWGEOM. More... | |
| LWPOINT * | lwgeom_as_lwpoint (const LWGEOM *lwgeom) |
| LWLINE * | lwgeom_as_lwline (const LWGEOM *lwgeom) |
| LWCIRCSTRING * | lwgeom_as_lwcircstring (const LWGEOM *lwgeom) |
| LWCOMPOUND * | lwgeom_as_lwcompound (const LWGEOM *lwgeom) |
| LWCURVEPOLY * | lwgeom_as_lwcurvepoly (const LWGEOM *lwgeom) |
| LWPOLY * | lwgeom_as_lwpoly (const LWGEOM *lwgeom) |
| LWTRIANGLE * | lwgeom_as_lwtriangle (const LWGEOM *lwgeom) |
| LWCOLLECTION * | lwgeom_as_lwcollection (const LWGEOM *lwgeom) |
| LWMPOINT * | lwgeom_as_lwmpoint (const LWGEOM *lwgeom) |
| LWMLINE * | lwgeom_as_lwmline (const LWGEOM *lwgeom) |
| LWMPOLY * | lwgeom_as_lwmpoly (const LWGEOM *lwgeom) |
| LWPSURFACE * | lwgeom_as_lwpsurface (const LWGEOM *lwgeom) |
| LWTIN * | lwgeom_as_lwtin (const LWGEOM *lwgeom) |
| LWGEOM * | lwtin_as_lwgeom (const LWTIN *obj) |
| LWGEOM * | lwpsurface_as_lwgeom (const LWPSURFACE *obj) |
| LWGEOM * | lwmpoly_as_lwgeom (const LWMPOLY *obj) |
| LWGEOM * | lwmline_as_lwgeom (const LWMLINE *obj) |
| LWGEOM * | lwmpoint_as_lwgeom (const LWMPOINT *obj) |
| LWGEOM * | lwcollection_as_lwgeom (const LWCOLLECTION *obj) |
| LWGEOM * | lwcircstring_as_lwgeom (const LWCIRCSTRING *obj) |
| LWGEOM * | lwcurvepoly_as_lwgeom (const LWCURVEPOLY *obj) |
| LWGEOM * | lwcompound_as_lwgeom (const LWCOMPOUND *obj) |
| LWGEOM * | lwpoly_as_lwgeom (const LWPOLY *obj) |
| LWGEOM * | lwtriangle_as_lwgeom (const LWTRIANGLE *obj) |
| LWGEOM * | lwline_as_lwgeom (const LWLINE *obj) |
| LWGEOM * | lwpoint_as_lwgeom (const LWPOINT *obj) |
| LWGEOM * | lwgeom_as_multi (const LWGEOM *lwgeom) |
| Create a new LWGEOM of the appropriate MULTI* type. More... | |
| LWGEOM * | lwgeom_as_curve (const LWGEOM *lwgeom) |
| Create a new LWGEOM of the appropriate CURVE* type. More... | |
| void | lwgeom_release (LWGEOM *lwgeom) |
| Free the containing LWGEOM and the associated BOX. More... | |
| LWGEOM * | lwgeom_clone (const LWGEOM *lwgeom) |
| Clone LWGEOM object. More... | |
| LWGEOM * | lwgeom_clone_deep (const LWGEOM *lwgeom) |
| Deep-clone an LWGEOM object. More... | |
| char * | lwgeom_to_ewkt (const LWGEOM *lwgeom) |
| Return an alloced string. More... | |
| char | lwgeom_same (const LWGEOM *lwgeom1, const LWGEOM *lwgeom2) |
| geom1 same as geom2 iff More... | |
| int | lwpoint_inside_circle (const LWPOINT *p, double cx, double cy, double rad) |
| void | lwgeom_drop_bbox (LWGEOM *lwgeom) |
| Call this function to drop BBOX and SRID from LWGEOM. More... | |
| void | lwgeom_add_bbox (LWGEOM *lwgeom) |
| Ensure there's a box in the LWGEOM. More... | |
| void | lwgeom_add_bbox_deep (LWGEOM *lwgeom, GBOX *gbox) |
| Compute a box for geom and all sub-geometries, if not already computed. More... | |
| const GBOX * | lwgeom_get_bbox (const LWGEOM *lwg) |
| Get a non-empty geometry bounding box, computing and caching it if not already there. More... | |
| int | lwgeom_calculate_gbox (const LWGEOM *lwgeom, GBOX *gbox) |
| Calculate the gbox for this goemetry, a cartesian box or geodetic box, depending on how it is flagged. More... | |
| void | lwgeom_drop_srid (LWGEOM *lwgeom) |
| LWGEOM * | lwgeom_segmentize2d (LWGEOM *lwgeom, double dist) |
| LWGEOM * | lwgeom_force_2d (const LWGEOM *geom) |
| Strip out the Z/M components of an LWGEOM. More... | |
| LWGEOM * | lwgeom_force_3dz (const LWGEOM *geom) |
| LWGEOM * | lwgeom_force_3dm (const LWGEOM *geom) |
| LWGEOM * | lwgeom_force_4d (const LWGEOM *geom) |
| LWGEOM * | lwgeom_force_dims (const LWGEOM *geom, int hasz, int hasm) |
| LWGEOM * | lwgeom_force_sfs (LWGEOM *geom, int version) |
| int32_t | lwgeom_get_srid (const LWGEOM *geom) |
| Return SRID number. More... | |
| uint32_t | lwgeom_get_type (const LWGEOM *geom) |
| Return LWTYPE number. More... | |
| int | lwgeom_has_z (const LWGEOM *geom) |
| Return LW_TRUE if geometry has Z ordinates. More... | |
| int | lwgeom_has_m (const LWGEOM *geom) |
| Return LW_TRUE if geometry has M ordinates. More... | |
| int | lwgeom_ndims (const LWGEOM *geom) |
| Return the number of dimensions (2, 3, 4) in a geometry. More... | |
| void | lwgeom_set_geodetic (LWGEOM *geom, int value) |
| Set the FLAGS geodetic bit on geometry an all sub-geometries and pointlists. More... | |
| void | lwgeom_longitude_shift (LWGEOM *lwgeom) |
| int | lwgeom_is_closed (const LWGEOM *geom) |
| Return true or false depending on whether a geometry is a linear feature that closes on itself. More... | |
| int | lwgeom_is_collection (const LWGEOM *geom) |
| Determine whether a LWGEOM can contain sub-geometries or not. More... | |
| int | lwtype_is_collection (uint8_t type) |
| Return TRUE if the geometry may contain sub-geometries, i.e. More... | |
| int | lwtype_get_collectiontype (uint8_t type) |
| Given an lwtype number, what homogeneous collection can hold it? More... | |
| void | lwgeom_free (LWGEOM *lwgeom) |
| int | lwgeom_needs_bbox (const LWGEOM *geom) |
| Check whether or not a lwgeom is big enough to warrant a bounding box. More... | |
| int | lwgeom_count_vertices (const LWGEOM *geom) |
| Count points in an LWGEOM. More... | |
| int | lwgeom_dimension (const LWGEOM *geom) |
| For an LWGEOM, returns 0 for points, 1 for lines, 2 for polygons, 3 for volume, and the max dimension of a collection. More... | |
| int | lwgeom_count_rings (const LWGEOM *geom) |
| Count rings in an LWGEOM. More... | |
| int | lwgeom_is_empty (const LWGEOM *geom) |
| Return true or false depending on whether a geometry is an "empty" geometry (no vertices members) More... | |
| int | lwgeom_has_srid (const LWGEOM *geom) |
| Return true or false depending on whether a geometry has a valid SRID set. More... | |
| static int | lwcollection_dimensionality (LWCOLLECTION *col) |
| int | lwgeom_dimensionality (LWGEOM *geom) |
| Return the dimensionality (relating to point/line/poly) of an lwgeom. More... | |
| LWGEOM * | lwgeom_remove_repeated_points (const LWGEOM *in, double tolerance) |
| Remove repeated points! More... | |
| LWGEOM * | lwgeom_flip_coordinates (LWGEOM *in) |
| Reverse the X and Y coordinate order. More... | |
| void | lwgeom_swap_ordinates (LWGEOM *in, LWORD o1, LWORD o2) |
| Swap ordinate values in every vertex of the geometry. More... | |
| void | lwgeom_set_srid (LWGEOM *geom, int32_t srid) |
| LWGEOM * | lwgeom_simplify (const LWGEOM *igeom, double dist, int preserve_collapsed) |
| double | lwgeom_area (const LWGEOM *geom) |
| double | lwgeom_perimeter (const LWGEOM *geom) |
| double | lwgeom_perimeter_2d (const LWGEOM *geom) |
| double | lwgeom_length (const LWGEOM *geom) |
| double | lwgeom_length_2d (const LWGEOM *geom) |
| void | lwgeom_affine (LWGEOM *geom, const AFFINE *affine) |
| void | lwgeom_scale (LWGEOM *geom, const POINT4D *factor) |
| LWGEOM * | lwgeom_construct_empty (uint8_t type, int srid, char hasz, char hasm) |
| int | lwgeom_startpoint (const LWGEOM *lwgeom, POINT4D *pt) |
| LWGEOM * | lwgeom_grid (const LWGEOM *lwgeom, const gridspec *grid) |
| static int | lwgeom_subdivide_recursive (const LWGEOM *geom, int maxvertices, int depth, LWCOLLECTION *col, const GBOX *clip) |
| LWCOLLECTION * | lwgeom_subdivide (const LWGEOM *geom, int maxvertices) |
| int | lwgeom_is_trajectory (const LWGEOM *geom) |
| Return LW_TRUE or LW_FALSE depending on whether or not a geometry is a linestring with measure value growing from start to end vertex. More... | |
Variables | |
| uint8_t | MULTITYPE [NUMTYPES] |
| Look-up for the correct MULTI* type promotion for singleton types. More... | |
