PostGIS  2.5.0beta2dev-r@@SVN_REVISION@@

◆ cart2geog()

void cart2geog ( const POINT3D p,
GEOGRAPHIC_POINT g 
)

Convert cartesian coordinates on unit sphere to spherical coordinates.

Definition at line 383 of file lwgeodetic.c.

References GEOGRAPHIC_POINT::lat, GEOGRAPHIC_POINT::lon, POINT3D::x, POINT3D::y, and POINT3D::z.

Referenced by circ_center_cartesian(), circ_node_leaf_new(), clairaut_cartesian(), clairaut_geographic(), edge_distance_to_point(), gbox_centroid(), gbox_get_sortable_hash(), gbox_pt_outside(), and ptarray_segmentize_sphere_edge_recursive().

384 {
385  g->lon = atan2(p->y, p->x);
386  g->lat = asin(p->z);
387 }
double y
Definition: liblwgeom.h:342
double x
Definition: liblwgeom.h:342
double z
Definition: liblwgeom.h:342
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