lwgeodetic_measures.c File Reference
Spatial functions for PostGIS geography. More...
Include dependency graph for lwgeodetic_measures.c:
Go to the source code of this file.
Functions | |
| static void | interpolate_point4d_spheroid (const POINT4D *p1, const POINT4D *p2, POINT4D *p, const SPHEROID *s, double f) |
| Find interpolation point p between geography points p1 and p2 so that the len(p1,p) == len(p1,p2) f and p falls on p1,p2 segment. More... | |
| LWGEOM * | geography_substring (const LWLINE *lwline, const SPHEROID *s, double from, double to, double tolerance) |
| Return the part of a line between two fractional locations. More... | |
| LWGEOM * | geography_interpolate_points (const LWLINE *line, double length_fraction, const SPHEROID *s, char repeat) |
| Interpolate a point along a geographic line. More... | |
| double | ptarray_locate_point_spheroid (const POINTARRAY *pa, const POINT4D *p4d, const SPHEROID *s, double tolerance, double *mindistout, POINT4D *proj4d) |
| Locate a point along the point array defining a geographic line. More... | |
Detailed Description
Spatial functions for PostGIS geography.
These functions are supposed to be included in a forthcoming version of PostGIS, to be proposed as a PR. This still remains to be done. These functions are not needed in MobilityDB.
Definition in file lwgeodetic_measures.c.
