Function quadtree

quadtree<T>(data?): Quadtree<T>
Creates a new, empty quadtree with an empty extent and the default x- and y-accessors. If data is specified, adds the specified array of data to the quadtree.
Type Parameters
- T = [number, number]
Parameters
- Optional data: T[]
Returns Quadtree<T>
quadtree<T>(data, x, y): Quadtree<T>
Creates a new, empty quadtree with an empty extent and the default x- and y-accessors. Adds the specified array of data to the quadtree. Sets the x- and y- accessors to the specified functions before adding the specified array of data to the quadtree.
Type Parameters
- T = [number, number]
Parameters
- data: T[]
- x: ((d) => number)
  - - (d): number
    - Parameters
      d: T
      Returns number
- y: ((d) => number)
  - - (d): number
    - Parameters
      d: T
      Returns number
Returns Quadtree<T>