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资源说明：xdot.js parses GraphViz xdot files into RaphaëlJS graphics.
# xdot.js
xdot.js parses [GraphViz xdot](http://www.graphviz.org/doc/info/output.html#d:xdot)
formatted strings into [Raphaël](http://raphaeljs.com/) objects. This first
version of xdot.py is a very close port of the lexer/parser code in
[xdot.py](http://code.google.com/p/jrfonseca/wiki/XDot).
## Generating xdot files
_xdot_ is generated from _dot_ files using one of the GraphViz layout commands.
In this case, we'll just use the _dot_ command.
```
> dot -Txdot -oexample.xdot example.dot
```
## Usage
Include jQuery, Raphael and xdot.js. Create a new XDotParser object with your
_xdot_ formatted text, parse it, then draw it.
```javascript
var graph = new XDotParser(text).parse();
graph.draw();
```
Or, you can get the _xdot_ data via AJAX.
```javascript
$.get('graph.xdot', function(text) {
var graph = new XDotParser(text).parse();
graph.draw();
});
```
## Todo
- Decouple the parsing from the drawing. Ideally, we could use any capable
drawing library, not just Raphael.
- Overall code cleanup. I'm not happy with how many variables are added to the
global namespace.
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