21 #ifndef GEOS_IDX_QUADTREE_KEY_H 22 #define GEOS_IDX_QUADTREE_KEY_H 89 #endif // GEOS_IDX_QUADTREE_KEY_H A Key is a unique identifier for a node in a quadtree.
An Envelope defines a rectangulare region of the 2D coordinate plane.
Coordinate is the lightweight class used to store coordinates.
Basic namespace for all GEOS functionalities.