/// <summary>
/// Removes an item from the index.
/// </summary>
/// <param name="item">The item to remove.</param>
public override Boolean Remove(TItem item)
{
ISpatialIndexNode <IExtents, TItem> itemNode = findNodeForItem(item, Root);
bool removed = itemNode != null && itemNode.Remove(item);
if (itemNode.IsPrunable)
{
ISpatialIndexNode <IExtents, TItem> parent = findParentNode(itemNode, Root);
parent.Remove(itemNode);
}
return(removed);
}
