[net.graphics] Pointers to Help with Directed graph plotting

david@ecrhub.UUCP (David M. Haynes) (02/19/86)

I am looking for help with a particular problem I am haiving.
I am trying to plot a PERT graph in a window and am having problems
with the algorithm. Generally, what I want to do is plot the nodes
down-graph from the specified node into a window of dimension 5 nodes
by 5 nodes. (eg. If I give the graph root, I would want to be able
to plot the root node and the four levels of nodes which fan out from
it.) Normally, I would use a B-tree type expansion but PERT allows for
dependancies which are not present in B-trees.

Does anyone in netland have any pointers (articles, algorithms, 
ideas, experience?) with this sort of graphiing? All help would
be gratefully received.

-david-
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