Drawing arcs between nodes directly

Syntax

BD>drawarc : B , B , I , I

where and are the names of elements or bases, and and are integers.

The DRAWARC:  command is used to draw arcs explicitly between any two nodes and for an influence diagram. These nodes must already exist, but need not be drawn on the current influence diagram. The style and colour of the arc are determined by and respectively. is an integer representing a colour, as summarised in table 11.3. The possible values for are as follows.

gives a solid-line undirected arc.

gives a dotted-line undirected arc.

gives a solid-line directed arc, with an arrow at the end of the arc drawn from node to .

gives a dotted-line directed arc, with an arrow at the end of the arc drawn from node to .