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22 lines
674 B
C
22 lines
674 B
C
/**
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* Note that p1 and p2 are pointers into an independent POINTARRAY, do not free them.
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*/
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typedef struct rect_node
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{
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double xmin;
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double xmax;
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double ymin;
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double ymax;
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struct rect_node *left_node;
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struct rect_node *right_node;
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POINT2D *p1;
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POINT2D *p2;
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} RECT_NODE;
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int rect_tree_contains_point(const RECT_NODE *tree, const POINT2D *pt, int *on_boundary);
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int rect_tree_intersects_tree(const RECT_NODE *tree1, const RECT_NODE *tree2);
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void rect_tree_free(RECT_NODE *node);
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RECT_NODE* rect_node_leaf_new(const POINTARRAY *pa, int i);
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RECT_NODE* rect_node_internal_new(RECT_NODE *left_node, RECT_NODE *right_node);
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RECT_NODE* rect_tree_new(const POINTARRAY *pa);
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