5 Graph Description Language (GDL) - Absint

– ”solid”
Arrow head is a triangle filled with arrowcolor, or the edge color if no arrowcolor is
specified.
– ”line”
Arrow head is not filled and drawn without the hypotenuse of the triangle forming the
head.
– ”circle”
Arrow head is a circle.
– ”filled circle”
Arrow head is a circle filled with arrowcolor, or the edge color if no arrowcolor is
specified.
– ”half circle”
– ”half filled circle”
– ”box”
– ”filled box”
– ”half box”
– ”half filled box”
– ”rhomb”
– ”filled rhomb”
– ”half rhomb”
– ”half filled rhomb”
– ”diamond”
– ”half diamond”
– ”slash”
– ”dslash”
The default edges have a solid arrow head and no back arrow head.
• class
Type: integer
Default value: 1
Attribute of: edge
Description:
This attribute specifies the edge class to which an edge belongs. For details, see p. 27 and
the grouping of nodes in general (p. 24).
• color
Type: black, blue, red, ...
Default value: black
Attribute of: edge
Description:
Here the color attribute specifies the color of the edge. For details on colors, see p. 105. See
also edge attributes textcolor (p. 103) and arrowcolor (p. 100).
101