box2d<double> const& extent() const
{
return tree_.extent();
}
void clear()
{
tree_.clear();
}
void insert(box2d<double> const& box)
{
tree_.insert(label(box), box);
}
void insert(box2d<double> const& box, mapnik::value_unicode_string const& text)
{
tree_.insert(label(box, text), box);
}
void insert(box2d<double> const& box)
{
tree_.insert(box, box);
}