# Package org.apache.sis.index.tree

A simple quadtree implementation.
Note on future work: this package may change in incompatible way in a future Apache SIS release, or may be replaced by new API.

- Interface Summary
  Interface | Description
  --- | ---
  QuadTreeData | Interface representing data stored in quad tree.

- Class Summary
  Class | Description
  --- | ---
  QuadTree | Implementation of Quad Tree Index.
  QuadTreeWriter | Class to save the quad tree index from file.

- Enum Summary
  Enum | Description
  --- | ---
  NodeType | Enum to represent node type of quad tree.