Example of edge styles support.
| Attributes | Description | Possible Values | Default Value |
|---|---|---|---|
| label | Text displayed on the edge | ||
| color | Edge color | ||
| style | Edge style | 'solid', 'dashed', 'dotted' | |
| width or penwidth | Edge width | ||
| dir | Arrow direction | 'forward', 'both', 'back', 'none' | 'forward' |
| arrowhead | Arrow tail style | 'dot', 'box', 'crow', 'curve', 'icurve', 'normal', 'inv', 'diamond', 'tee', 'vee' | |
| arrowtail | Arrow head style | 'dot', 'box', 'crow', 'curve', 'icurve', 'normal', 'inv', 'diamond', 'tee', 'vee' |