Helios Web

Helios Web is a web-based library to visualize dynamic networks in real-time. Currently under development it aims to provide a simple API and optimized implementation to be integrated in other systems and render and layout large networks. This is the sucessor to the Networks 3D project and the Networks Web project.

Check out the demo https://filipinascimento.github.io/helios-web/docs/example/

More demos:

Network	light	light+2D	dark	dark+2D	dark+blend	dark+blend+2D
Watts-Strogatz	light	light+2D	dark	dark+2D	dark+blend	dark+blend+2D
Facebook Egos	light	light+2D	dark	dark+2D	dark+blend	dark+blend+2D
Rewired Voronoi	light	light+2D	dark	dark+2D	dark+blend	dark+blend+2D
US Airports	light	light+2D	dark	dark+2D	dark+blend	dark+blend+2D
Global Airports	light	light+2D	dark	dark+2D	dark+blend	dark+blend+2D
Protein-protein	light	light+2D	dark	dark+2D	dark+blend	dark+blend+2D
Erdos collaboration	light	light+2D	dark	dark+2D	dark+blend	dark+blend+2D
Europe roads	light	light+2D	dark	dark+2D	dark+blend	dark+blend+2D
Wiki Sciences*	light	light+2D	dark	dark+2D	dark+blend	dark+blend+2D
Wiki Sciences (small)	light	light+2D	dark	dark+2D	dark+blend	dark+blend+2D
APS Citations*	light	light+2D	dark	dark+2D	dark+blend	dark+blend+2D
COVID Citations*	light	light+2D	dark	dark+2D	dark+blend	dark+blend+2D

* huge, may need a good CPU/GPU (press space to enable the layout algorithm)

Building

First install packages

npm install

Build

npx snowpack build

Development and testing

To test the environment use npm start or npx snowpack dev. Then go to http://localhost:8080/docs/example/ in your browser (or use the provided hostname and port).

Usage

To use it in your project you can load it as a module in modern browsers via skypack:

<script type="module">

import {Helios} from "https://cdn.skypack.dev/helios-web?min";
// Currently not working. please download and follow the build instructions.
// This will be fixed in the next release

// Nodes are dictionaries (any key can be used as node properties)
let nodes = {
  "0": {
    label: "Node 0",
  },
  "1": {
    label: "Node 1",
  },
  "2": {
    label: "Node 2",
  },
}

// Edges are arrays of node ids
let edges = [
  {
    source: "0",
    target: "1",
  },
  {
    source: "1",
    target: "2",
  },
  {
    source: "2",
    target: "0",
  }
];

let helios = new Helios({
		elementID: "netviz", // ID of the element to render the network in
		nodes: nodes, // Dictionary of nodes 
		edges: edges, // Array of edges
		use2D: false, // Choose between 2D or 3D layouts
	});

</script>

Helios web is also available as a npm package:

npm install helios-web

then you can use it in your project by importing using the same syntax as above:

import {Helios} from "helios-web";

//...