{"id":17109013,"url":"https://github.com/reklatsmasters/vivaldi-coordinates","last_synced_at":"2025-04-13T02:57:40.069Z","repository":{"id":57393311,"uuid":"50257237","full_name":"reklatsmasters/vivaldi-coordinates","owner":"reklatsmasters","description":"Vivaldi: A Decentralized Network Coordinate System","archived":false,"fork":false,"pushed_at":"2017-03-24T10:59:47.000Z","size":10,"stargazers_count":10,"open_issues_count":0,"forks_count":4,"subscribers_count":2,"default_branch":"master","last_synced_at":"2025-04-13T02:57:28.945Z","etag":null,"topics":["coordinates","dht","network","p2p","torrent","vivaldi","vuze"],"latest_commit_sha":null,"homepage":null,"language":"JavaScript","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/reklatsmasters.png","metadata":{"files":{"readme":"readme.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null}},"created_at":"2016-01-23T20:35:55.000Z","updated_at":"2024-02-23T19:57:25.000Z","dependencies_parsed_at":"2022-08-27T11:10:30.457Z","dependency_job_id":null,"html_url":"https://github.com/reklatsmasters/vivaldi-coordinates","commit_stats":null,"previous_names":[],"tags_count":1,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/reklatsmasters%2Fvivaldi-coordinates","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/reklatsmasters%2Fvivaldi-coordinates/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/reklatsmasters%2Fvivaldi-coordinates/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/reklatsmasters%2Fvivaldi-coordinates/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/reklatsmasters","download_url":"https://codeload.github.com/reklatsmasters/vivaldi-coordinates/tar.gz/refs/heads/master","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":248657872,"owners_count":21140844,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["coordinates","dht","network","p2p","torrent","vivaldi","vuze"],"created_at":"2024-10-14T16:06:59.415Z","updated_at":"2025-04-13T02:57:40.034Z","avatar_url":"https://github.com/reklatsmasters.png","language":"JavaScript","funding_links":[],"categories":[],"sub_categories":[],"readme":"# vivaldi-coordinates\n[![Build Status](https://travis-ci.org/reklatsmasters/vivaldi-coordinates.svg?branch=master)](https://travis-ci.org/reklatsmasters/vivaldi-coordinates)\n[![npm](https://img.shields.io/npm/v/vivaldi-coordinates.svg)](https://npmjs.org/package/vivaldi-coordinates)\n[![license](https://img.shields.io/npm/l/vivaldi-coordinates.svg)](https://npmjs.org/package/vivaldi-coordinates)\n[![downloads](https://img.shields.io/npm/dm/vivaldi-coordinates.svg)](https://npmjs.org/package/vivaldi-coordinates)\n[![Code Climate](https://codeclimate.com/github/ReklatsMasters/vivaldi-coordinates/badges/gpa.svg)](https://codeclimate.com/github/ReklatsMasters/vivaldi-coordinates)\n[![Test Coverage](https://codeclimate.com/github/ReklatsMasters/vivaldi-coordinates/badges/coverage.svg)](https://codeclimate.com/github/ReklatsMasters/vivaldi-coordinates)\n\nVivaldi: A Decentralized Network Coordinate System. Originaly description [here](https://www.cs.umd.edu/class/spring2007/cmsc711/papers/vivaldi.pdf).This package based on source code of [Vuze](https://vuze.com/) and required nodejs \u003e= 4.\n\n## API\n\n##### `create(data: Float32Array): VivaldiPosition`\nCreate `VivaldiPosition` instance from raw coordinates. Argument `data` should have length == 4.\n\n##### `create(data: HeightCoordinates): VivaldiPosition`\nCreate `VivaldiPosition` instance from `HeightCoordinates` instance.\n\n##### `create([error: Number]): VivaldiPosition`\nCreate new empty `VivaldiPosition` instance. Argument `error` is optional.\n\n##### `update(rtt: Number, p1: VivaldiPosition, p2: VivaldiPosition|HeightCoordinates): bool`\nUpdate position `p1` with other position `p2` and time `rtt`.\n\n##### `distance(p1: VivaldiPosition, p2: VivaldiPosition|HeightCoordinates): number`\nCalculate distace between `p1` and `p2`.\n\n##### `equals(p1, p2): bool`\nCheck to equals `p1` and `p2`.\n\n## Example\n```js\nconst vivaldi = require('vivaldi-coordinates');\n\nvar local_pos = vivaldi.create();\t// create new empty pos;\nvar remote_pos;\t// position from some remote host\nvar rtt = 7;\t  // ping time to remote host\n\nvivaldi.update(rtt, local_pos, remote_pos);\t// update local position\n```\n\n## License\nMIT, 2015 (c) Dmitry Tsvettsikh\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Freklatsmasters%2Fvivaldi-coordinates","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Freklatsmasters%2Fvivaldi-coordinates","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Freklatsmasters%2Fvivaldi-coordinates/lists"}