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