DOT edge styles

Example of edge styles support.

AttributesDescriptionPossible ValuesDefault 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'