geography_centroid.c File Reference
#include "postgres.h"#include "../postgis_config.h"#include <math.h>#include "liblwgeom.h"#include "lwgeom_pg.h"#include "lwgeom_transform.h"
Include dependency graph for geography_centroid.c:
Go to the source code of this file.
Functions | |
| Datum | geography_centroid (PG_FUNCTION_ARGS) |
| LWPOINT * | geography_centroid_from_wpoints (const uint32_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... | |
| 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 * | cart_to_lwpoint (const double_t x_sum, const double_t y_sum, const double_t z_sum, const double_t weight_sum, const uint32_t srid) |
| POINT3D * | lonlat_to_cart (const double_t raw_lon, const double_t raw_lat) |
| PG_FUNCTION_INFO_V1 (geography_centroid) | |
| geography_centroid(GSERIALIZED *g) returns centroid as point More... | |
