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https://github.com/eisman/neo4jd3
Neo4j graph visualization using D3.js
https://github.com/eisman/neo4jd3
d3 d3js graph-visualization neo4j
Last synced: 7 days ago
JSON representation
Neo4j graph visualization using D3.js
- Host: GitHub
- URL: https://github.com/eisman/neo4jd3
- Owner: eisman
- License: mit
- Created: 2016-09-11T12:43:04.000Z (over 8 years ago)
- Default Branch: master
- Last Pushed: 2021-04-24T20:38:43.000Z (over 3 years ago)
- Last Synced: 2024-11-29T19:07:50.267Z (14 days ago)
- Topics: d3, d3js, graph-visualization, neo4j
- Language: JavaScript
- Homepage: https://eisman.github.io/neo4jd3/
- Size: 3.78 MB
- Stars: 1,391
- Watchers: 72
- Forks: 423
- Open Issues: 52
-
Metadata Files:
- Readme: README.md
- License: LICENSE
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README
# neo4jd3.js
[Neo4j](https://github.com/neo4j) graph visualization using [D3.js](https://github.com/d3/d3).
## Features
* Compaptible with the [Neo4j data format](#neo4j-data-format) and the [D3.js data format](#d3js-data-format).
* Force simulation.
* Info panel that shows nodes and relationships information on hover.
* Double click callbacks.
* Custom node colors by node type.
* Text nodes + [Font Awesome](http://fontawesome.io/) icon nodes + SVG image nodes (e.g. using [Twitter Emoji](https://github.com/twitter/twemoji))).
* Sticky nodes (drag to stick, single click to unstick).
* Dynamic graph update (e.g. double click a node to expand it).
* Highlight nodes on init.
* Relationship auto-orientation.
* Zoom, pan, auto fit.
* Compatible with D3.js v4.
## 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.
```bash
> gem install sass
> git clone https://github.com/eisman/neo4jd3.git
> npm install
> gulp
```
Open `http://localhost:8080` in your favorite browser.
## Documentation
```javascript
var neo4jd3 = new Neo4jd3('.selector', options);
```
### Options
| Parameter | Type | Description |
| --------- | ---- | ----------- |
| **highlight** | *array* | Highlight several nodes of the graph.
Example:
`[`
`{`
`class: 'Project',`
`property: 'name',`
`value: 'neo4jd3'`
`}`
`]` |
| **icons** | *object* | Map node labels to [Font Awesome icons](http://fontawesome.io/icons).
Example:
`{`
`'BirthDate': 'birthday-cake',`
`'Password': 'lock',`
`'Phone': 'phone',`
`'User': 'user'`
`}`. |
| **images** | *object* | Map node labels to SVG images (e.g. using [Twitter Emoji](https://github.com/twitter/twemoji)).
Example:
`{`
`'Address': 'img/twemoji/1f3e0.svg',`
`'BirthDate': 'img/twemoji/1f382.svg',`
`'Password': 'img/twemoji/1f511.svg',`
`'Project': 'img/twemoji/2198.svg',`
`'Project\|name\|neo4jd3': 'img/twemoji/2196.svg',`
`'User': 'img/twemoji/1f600.svg'`
`}`. |
| **infoPanel** | *boolean* | Show the information panel: `true`, `false`. Default: `true`. |
| **minCollision** | *int* | Minimum distance between nodes. Default: 2 * *nodeRadius*. |
| **neo4jData** | *object* | Graph data in [Neo4j data format](#neo4j-data-format). |
| **neo4jDataUrl** | *string* | URL of the endpoint that serves the graph data in [Neo4j data format](#neo4j-data-format). |
| **nodeRadius** | *int* | Radius of nodes. Default: 25. |
| **onNodeClick** | *function* | Callback function to be executed when the user clicks a node. |
| **onNodeDoubleClick** | *function* | Callback function to be executed when the user double clicks a node. |
| **onNodeDragEnd** | *function* | Callback function to be executed when the user finishes dragging a node. |
| **onNodeDragStart** | *function* | Callback function to be executed when the user starts dragging a node. |
| **onNodeMouseEnter** | *function* | Callback function to be executed when the mouse enters a node. |
| **onNodeMouseLeave** | *function* | Callback function to be executed when the mouse leaves a node. |
| **onRelationshipDoubleClick** | *function* | Callback function to be executed when the user double clicks a relationship. |
| **zoomFit** | *boolean* | Adjust the graph to the container once it has been loaded: `true`, `false`. Default: `false`. |
### JavaScript API
| Function | Description |
| -------- | ----------- |
| **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](#neo4j-data-format) to [D3.js data format](#d3js-data-format). |
| **randomD3Data**(*d*, *maxNodesToGenerate*) | Generates between 1 and *maxNodesToGenerate* random nodes connected to node *d*. |
| **size**() | Returns the number of nodes and relationships.
Example:
`{`
`nodes: 25,`
`relationships: 50`
`}` |
| **updateWithD3Data**(*d3Data*) | Updates the graph data using the [D3.js data format](#d3js-data-format). |
| **updateWithNeo4jData**(*neo4jData*) | Updates the graph data using the [Neo4j data format](#neo4j-data-format). |
| **version**() | Returns the version of neo4jd3.js.
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/](https://eisman.github.io/neo4jd3/)
```javascript
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?
* Toolbar.
* More than one relationship between two nodes.
* Markers.
* Performance optimization.
* Testing.
## Copyright and license
Code and documentation copyright 2016 the author. Code released under the [MIT license](LICENSE). Docs released under [Creative Commons](docs/LICENSE).