PostGIS  2.4.9dev-r@@SVN_REVISION@@

◆ circ_node_max_distance()

static double circ_node_max_distance ( const CIRC_NODE *  n1,
const CIRC_NODE *  n2 
)
static

Definition at line 601 of file lwgeodetic_tree.c.

References circ_node::center, circ_node::radius, and sphere_distance().

Referenced by circ_tree_distance_tree_internal().

602 {
603  return sphere_distance(&(n1->center), &(n2->center)) + n1->radius + n2->radius;
604 }
sphere_distance
double sphere_distance(const GEOGRAPHIC_POINT *s, const GEOGRAPHIC_POINT *e)
Given two points on a unit sphere, calculate their distance apart in radians.
Definition: lwgeodetic.c:944
circ_node::center
GEOGRAPHIC_POINT center
Definition: lwgeodetic_tree.h:38
circ_node::radius
double radius
Definition: lwgeodetic_tree.h:39
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