-
source_path – string (“.”).
- The directory where the DG tcl/tk scripts reside.
-
echo_commands – boolean (FALSE).
- Whether to echo the tcl/tk commands on the screen or not.
-
canvas_width, canvas_height – integers (1000, 700).
- The default width and height of the drawing canvas in pixels.
-
viewable_width, viewable_height – integers (600, 400).
- The default viewable width and height of the drawing canvas in pixels.
-
interactive_mode – integer (TRUE).
- Whether it is allowable to change things interactively on the canvas or not.
-
node_radius – integer (8).
- The default radius of a displayed graph node.
-
disp_nodelabels, disp_nodeweights, disp_edgeweights – integers
(all TRUE).
- Whether to display node labels, node weights, and edge weights or not.
-
nodelabel_font, nodeweight_font, edgeweight_font – strings
(all “-adobe-helvetica-...”).
- The default character font for displaying node labels, node weights and edge
weights.
-
node_dash, edge_dash – strings (both empty string).
- The dash pattern of the circles drawn around dashed nodes and that of
dashed edges.