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neo4jd3.js

Neo4j graph visualization using D3.js.

neo3jd3.js

Features

Running

First of all, make sure you have ruby and sass gem installed. Then, clone the repository, install all dependencies, build and serve the project.

> gem install sass
> git clone https://github.com/eisman/neo4jd3.git
> npm install
> gulp

Open http://localhost:8080 in your favorite browser.

Documentation

var neo4jd3 = new Neo4jd3('.selector', options);

Options

ParameterTypeDescription
highlightarrayHighlight several nodes of the graph.<br>Example:<br>[<br>    {<br>        class: 'Project',<br>        property: 'name',<br>        value: 'neo4jd3'<br>    }<br>]
iconsobjectMap node labels to Font Awesome icons.<br>Example:<br>{<br>    'BirthDate': 'birthday-cake',<br>    'Password': 'lock',<br>    'Phone': 'phone',<br>    'User': 'user'<br>}.
imagesobjectMap node labels to SVG images (e.g. using Twitter Emoji).<br>Example:<br>{<br>    'Address': 'img/twemoji/1f3e0.svg',<br>    'BirthDate': 'img/twemoji/1f382.svg',<br>    'Password': 'img/twemoji/1f511.svg',<br>    'Project': 'img/twemoji/2198.svg',<br>    'Project|name|neo4jd3': 'img/twemoji/2196.svg',<br>    'User': 'img/twemoji/1f600.svg'<br>}.
infoPanelbooleanShow the information panel: true, false. Default: true.
minCollisionintMinimum distance between nodes. Default: 2 * nodeRadius.
neo4jDataobjectGraph data in Neo4j data format.
neo4jDataUrlstringURL of the endpoint that serves the graph data in Neo4j data format.
nodeRadiusintRadius of nodes. Default: 25.
onNodeClickfunctionCallback function to be executed when the user clicks a node.
onNodeDoubleClickfunctionCallback function to be executed when the user double clicks a node.
onNodeDragEndfunctionCallback function to be executed when the user finishes dragging a node.
onNodeDragStartfunctionCallback function to be executed when the user starts dragging a node.
onNodeMouseEnterfunctionCallback function to be executed when the mouse enters a node.
onNodeMouseLeavefunctionCallback function to be executed when the mouse leaves a node.
onRelationshipDoubleClickfunctionCallback function to be executed when the user double clicks a relationship.
zoomFitbooleanAdjust the graph to the container once it has been loaded: true, false. Default: false.

JavaScript API

FunctionDescription
appendRandomDataToNode(d, maxNodesToGenerate)Generates between 1 and maxNodesToGenerate random nodes connected to node d and updates the graph data.
neo4jDataToD3Data(data)Converts data from Neo4j data format to D3.js data format.
randomD3Data(d, maxNodesToGenerate)Generates between 1 and maxNodesToGenerate random nodes connected to node d.
size()Returns the number of nodes and relationships.<br>Example:<br>{<br>    nodes: 25,<br>    relationships: 50<br>}
updateWithD3Data(d3Data)Updates the graph data using the D3.js data format.
updateWithNeo4jData(neo4jData)Updates the graph data using the Neo4j data format.
version()Returns the version of neo4jd3.js.<br>Example: '0.0.1'

Documentation

D3.js data format

{
    "nodes": [
        {
            "id": "1",
            "labels": ["User"],
            "properties": {
                "userId": "eisman"
            }
        },
        {
            "id": "8",
            "labels": ["Project"],
            "properties": {
                "name": "neo4jd3",
                "title": "neo4jd3.js",
                "description": "Neo4j graph visualization using D3.js.",
                "url": "https://eisman.github.io/neo4jd3"
            }
        }
    ],
    "relationships": [
        {
            "id": "7",
            "type": "DEVELOPES",
            "startNode": "1",
            "endNode": "8",
            "properties": {
                "from": 1470002400000
            },
            "source": "1",
            "target": "8",
            "linknum": 1
        }
    ]
}

Neo4j data format

{
    "results": [
        {
            "columns": ["user", "entity"],
            "data": [
                {
                    "graph": {
                        "nodes": [
                            {
                                "id": "1",
                                "labels": ["User"],
                                "properties": {
                                    "userId": "eisman"
                                }
                            },
                            {
                                "id": "8",
                                "labels": ["Project"],
                                "properties": {
                                    "name": "neo4jd3",
                                    "title": "neo4jd3.js",
                                    "description": "Neo4j graph visualization using D3.js.",
                                    "url": "https://eisman.github.io/neo4jd3"
                                }
                            }
                        ],
                        "relationships": [
                            {
                                "id": "7",
                                "type": "DEVELOPES",
                                "startNode": "1",
                                "endNode": "8",
                                "properties": {
                                    "from": 1470002400000
                                }
                            }
                        ]
                    }
                }
            ]
        }
    ],
    "errors": []
}

Example

Live example @ https://eisman.github.io/neo4jd3/

var neo4jd3 = new Neo4jd3('#neo4jd3', {
    highlight: [
        {
            class: 'Project',
            property: 'name',
            value: 'neo4jd3'
        }, {
            class: 'User',
            property: 'userId',
            value: 'eisman'
        }
    ],
    icons: {
        'Api': 'gear',
        'BirthDate': 'birthday-cake',
        'Cookie': 'paw',
        'Email': 'at',
        'Git': 'git',
        'Github': 'github',
        'Ip': 'map-marker',
        'Issues': 'exclamation-circle',
        'Language': 'language',
        'Options': 'sliders',
        'Password': 'asterisk',
        'Phone': 'phone',
        'Project': 'folder-open',
        'SecurityChallengeAnswer': 'commenting',
        'User': 'user',
        'zoomFit': 'arrows-alt',
        'zoomIn': 'search-plus',
        'zoomOut': 'search-minus'
    },
    images: {
        'Address': 'img/twemoji/1f3e0.svg',
        'BirthDate': 'img/twemoji/1f5d3.svg',
        'Cookie': 'img/twemoji/1f36a.svg',
        'CreditCard': 'img/twemoji/1f4b3.svg',
        'Device': 'img/twemoji/1f4bb.svg',
        'Email': 'img/twemoji/2709.svg',
        'Git': 'img/twemoji/1f5c3.svg',
        'Github': 'img/twemoji/1f5c4.svg',
        'icons': 'img/twemoji/1f38f.svg',
        'Ip': 'img/twemoji/1f4cd.svg',
        'Issues': 'img/twemoji/1f4a9.svg',
        'Language': 'img/twemoji/1f1f1-1f1f7.svg',
        'Options': 'img/twemoji/2699.svg',
        'Password': 'img/twemoji/1f511.svg',
        'Project|name|d3': 'img/twemoji/32-20e3.svg',
        'Project|name|neo4j': 'img/twemoji/33-20e3.svg',
        'Project|name|neo4jd3': 'img/twemoji/31-20e3.svg',
        'User': 'img/twemoji/1f600.svg'
    },
    minCollision: 60,
    neo4jDataUrl: 'json/neo4jData.json',
    nodeRadius: 25,
    onNodeDoubleClick: function(node) {
        switch(node.id) {
            case '25':
                // Google
                window.open(node.properties.url, '_blank');
                break;
            default:
                var maxNodes = 5,
                    data = neo4jd3.randomD3Data(node, maxNodes);
                neo4jd3.updateWithD3Data(data);
                break;
        }
    },
    zoomFit: true
});

What's coming?

Copyright and license

Code and documentation copyright 2016 the author. Code released under the MIT license. Docs released under Creative Commons.