rect_tree_to_lwgeom()

LWGEOM * rect_tree_to_lwgeom

(

const RECT_NODE *

tree

)

Definition at line 679 of file lwtree.c.

{
        LWGEOM *poly = (LWGEOM*)lwpoly_construct_envelope(0, node->xmin, node->ymin, node->xmax, node->ymax);
        if (rect_node_is_leaf(node))
        {
                return poly;
        }
        else
        {
                int i;
                LWCOLLECTION *col = lwcollection_construct_empty(COLLECTIONTYPE, 0, 0, 0);
                lwcollection_add_lwgeom(col, poly);
                for (i = 0; i < node->i.num_nodes; i++)
                {
                        lwcollection_add_lwgeom(col, rect_tree_to_lwgeom(node->i.nodes[i]));
                }
                return (LWGEOM*)col;
        }
}

References COLLECTIONTYPE, rect_node::i, lwcollection_add_lwgeom(), lwcollection_construct_empty(), lwpoly_construct_envelope(), RECT_NODE_INTERNAL::nodes, RECT_NODE_INTERNAL::num_nodes, rect_node_is_leaf(), rect_tree_to_lwgeom(), rect_node::xmax, rect_node::xmin, rect_node::ymax, and rect_node::ymin.

Referenced by rect_tree_to_lwgeom(), and rect_tree_to_wkt().

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