circ_tree_get_point()

int circ_tree_get_point	(	const CIRC_NODE *	node,
		POINT2D *	pt
	)

Returns a POINT2D that is a vertex of the input shape.

Definition at line 461 of file lwgeodetic_tree.c.

{
        if ( circ_node_is_leaf(node) )
        {
                pt->x = node->p1->x;
                pt->y = node->p1->y;
                return LW_SUCCESS;
        }
        else
        {
                return circ_tree_get_point(node->nodes[0], pt);
        }
}

References circ_node_is_leaf(), LW_SUCCESS, circ_node::nodes, circ_node::p1, POINT2D::x, and POINT2D::y.

Referenced by circ_tree_distance_tree_internal(), and geography_distance_cache_tolerance().

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