Function clusterTreeNodeDestroy

mapcluster.c:322–337

traverse the quadtree and destroy all sub elements */

/* traverse the quadtree and destroy all sub elements */
static void clusterTreeNodeDestroy(msClusterLayerInfo* layerinfo, clusterTreeNode *node)
{
    int i;
    /* destroy the shapes added to this node */
    clusterInfoDestroyList(layerinfo, node->shapes);

    /* Recurse to subnodes if they exist */
    for (i = 0; i < 4; i++)
    {
        if (node->subnode[i])
            clusterTreeNodeDestroy(layerinfo, node->subnode[i]);
    }

    msFree(node);
    --layerinfo->numNodes;
}

/* destroy memory of the cluster finalized list (without recursion) */
static void clusterTreeNodeDestroyList(msClusterLayerInfo* layerinfo, clusterTreeNode *node)