simple<T> static method
Implementation
static QuadTree<T> simple<T>(OffsetFun<T> xFun, OffsetFun<T> yFun, List<T> nodes) {
QuadTree<T> tree = QuadTree(xFun, yFun, double.nan, double.nan, double.nan, double.nan);
if (nodes.isNotEmpty) {
tree.addAll(nodes);
}
return tree;
}