Package Exports
- kdb-tree
This package does not declare an exports field, so the exports above have been automatically detected and optimized by JSPM instead. If any package subpath is missing, it is recommended to post an issue to the original package (kdb-tree) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.
Readme
kdb-tree
in-memory kdb tree
example
var kdbtree = require('kdb-tree')
var kdb = kdbtree({ dim: 3 })
kdb.insert([1,2,3],'a')
kdb.insert([-5,10,2],'b')
kdb.insert([3,3,3],'c')
kdb.insert([-2,1,9],'d')
var q = [[-3,3],[2,20],[1,5]]
console.log(kdb.query(q))
output:
[ { point: [ 1, 2, 3 ], value: 'a' },
{ point: [ 3, 3, 3 ], value: 'c' } ]
api
var kdbtree = require('kdb-tree')
var kdb = kdbtree(opts)
opts.dim
- dimension to use for points (required)opts.a
- number of points per page (default: 4)opts.b
- number of regions per page (default: 3)
kdb.insert(pt, value)
Insert a point pt
with a value
.
var results = kdb.query(q)
Return an array of results
from a bounding box query q
.
q
is an array or [min,max]
arrays for each dimension.
Each result in the results
array is an object with point
and value
properties.
install
npm install kdb-tree
license
BSD