The key_abstract will have some concrete extensions, e.g. a simple integer key or a simple string one. However, I'll need a more powerfull type of key, the Morton's index that allows for the Z-ordered space in 2D/3D: it has many good features for quadtree/octree implementations. Here the list of some references:
The
key_abstractwill have some concrete extensions, e.g. a simple integer key or a simple string one. However, I'll need a more powerfull type of key, the Morton's index that allows for the Z-ordered space in 2D/3D: it has many good features for quadtree/octree implementations. Here the list of some references: