Graphviz Server

A server that renders graphviz image from web requests.

Motivation

Render graph images on webpage.

Example

Graphviz source:

digraph G {
 bgcolor=grey
 A -> B;
}

URI encode:

https://graphviz.shn.hk/?src=digraph%20G%20%7B%0A%20bgcolor%3Dgrey%0A%20A%20-%3E%20B%3B%0A%7D

Result:

API Usage

Query string:

• src: graphviz source code
• format: currently one of 'svg', 'png', 'gif', 'pdf'

Supported Scripts

• CJK Characters
• Emoji
• Khmer
• Latin

Please open an issue if you want more writing systems to be supported.

Deploy

The service is supposed to be deployed with Docker containers.