RamblingCookieMonster / neo4j-graphviz

minimal javascript library/tool to generate graphviz visualization from a neo4j cypher query

neo4j-graphviz

Minimal Javascript library/tool for generating dot and graphviz renderings from a Neo4j Cypher query.

Uses these libraries

• neo4j-driver
• graphviz

Command Linse Usage

Minimal:

node render.js

Will write a graph.jpg based on MATCH path = (a)-[r]->(b) RETURN path

Syntax

Typical usage:

cat query.cypher | node render.js --username <neo4j username> --password <neo4j password> --file [file.png/svg/jpg] --renderer [renderer]

For full syntax specification, run

node render.js --help

Example:

From the Oscars Graph.

echo 'MATCH  path = (n:Nominee {name:"Meryl Streep"})<-[:NOMINATED]-(a:Nomination)-->() RETURN path' | node render.js --password <password> --file oscars.svg 

Programmatic Usage

see also express-test.js

var ng = require("neo4j-graphviz");

app.get('/', function(req, res){
  var type = "svg";
  ng.renderGraph("bolt://localhost","neo4j", pwd, req.param("query"), null, "neato", type, function(error,data) {
    if (error) res.status(500).send(error);
    else {
      res.type(type).send(data);
    }
  });
});```