1 #ifndef GRASS_DdglGraph_s_H 2 #define GRASS_DdglGraph_s_H
void pg_addedge(struct planar_graph *pg, int v1, int v2)
Feature geometry info - coordinates.
struct planar_graph * pg_create(const struct line_pnts *Points)
int pg_existsedge(struct planar_graph *pg, int v1, int v2)
struct planar_graph * pg_create_struct(int n, int e)
void pg_destroy_struct(struct planar_graph *pg)