lwgeodetic_tree.h File Reference

#include "lwgeodetic.h"

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Data Structures
struct	circ_node
	Note that p1 and p2 are pointers into an independent POINTARRAY, do not free them. More...

Macros
#define	CIRC_NODE_SIZE   8

Typedefs
typedef struct circ_node	CIRC_NODE
	Note that p1 and p2 are pointers into an independent POINTARRAY, do not free them. More...

Functions
void	circ_tree_print (const CIRC_NODE *node, int depth)
CIRC_NODE *	circ_tree_new (const POINTARRAY *pa)
	Build a tree of nodes from a point array, one node per edge. More...
void	circ_tree_free (CIRC_NODE *node)
	Recurse from top of node tree and free all children. More...
int	circ_tree_contains_point (const CIRC_NODE *node, const POINT2D *pt, const POINT2D *pt_outside, int *on_boundary)
	Walk the tree and count intersections between the stab line and the edges. More...
double	circ_tree_distance_tree (const CIRC_NODE *n1, const CIRC_NODE *n2, const SPHEROID *spheroid, double threshold)
CIRC_NODE *	lwgeom_calculate_circ_tree (const LWGEOM *lwgeom)
int	circ_tree_get_point (const CIRC_NODE *node, POINT2D *pt)
	Returns a POINT2D that is a vertex of the input shape. More...