1CLARIFY(1) General Commands Manual CLARIFY(1)
2
6 edgepaint - edge coloring to disambiguate crossing edges
7
9 [ options ] [ -o outfile ] [ files ]
10
12 edgepaint takes as input a graph in DOT format with node position in‐
13 formation (the pos attribute) and colors the edges in a manner making
14 it easier to tell them apart.
15
17 The following options are supported:
18 -accuracy=e
20 accuracy with which to find the maximally different coloring for
21 each node with regard to its neighbors. Default e = 0.01.
22 -angle=a
24 color two edges differently if their incidence angle is less
25 than a degrees. Default a=15.
26 -random_seed=s
28 random seed to use. s must be an integer. If s is negative, we
29 do |s| iterations with different seeds and pick the best.
30 -lightness=l1,l2j
32 only applies for the "lab" color scheme: l1 and l2 must inte‐
33 gers, with 0 <= l1 <= l2 <=100. By default, we use "0,70"
34 -share_endpoint
36 if this option is specified, edges that shares an node are not
37 considered in conflict if they are close to parallel but are on
38 the opposite sides of the node (around 180 degree).
39 -o f write output to file f (default: stdout).
41 -color_scheme=c
43 specifies the color scheme. This can be "rgb", "gray", "lab"
44 (default); or a comma-separated list of RGB colors in hex (e.g.,
45 "#ff0000,#aabbed,#eeffaa") representing a palette; or a string
46 specifying a Brewer color scheme (e.g., "accent7"; see
47 https://www.graphviz.org/doc/info/colors.html#brewer).
48 -v turns on verbose mode.
50 -? Print usage and exit.
52
55 At present, edgepaint does not handle graphs with loops or directed
56 multiedges. So, a graph with edges a -> b and b -> a is acceptable, but
57 not if it has edges a -> b and a -> b or a -- b and a -- b. Ports are
58 ignored in this analysis, so having a.x -> b and a.y -> b is also not
59 supported.
60
62 Yifan Hu <yifanhu@yahoo.com>
63
65 gvmap(1), sfdp(1), neato (1), dot(1)
66 26 February 2014 CLARIFY(1)