Commit | Line | Data |
---|---|---|
5ddd0980 SK |
1 | #! /usr/bin/awk -f |
2 | # | |
3 | # Graph a sequence of lines as prev->next relationships, | |
4 | # highlighting frequencies of pairings. | |
5 | # | |
6 | ||
5ddd0980 | 7 | { |
ddc68162 | 8 | curr = $0 |
4f4a0353 SK |
9 | } |
10 | ||
11 | NR == 1 { | |
12 | init = curr | |
13 | } | |
14 | ||
15 | NR > 1 { | |
5ddd0980 SK |
16 | ++nlinks[prev] |
17 | ++nlinks_to[prev, curr] | |
4f4a0353 SK |
18 | } |
19 | ||
20 | { | |
5ddd0980 SK |
21 | prev = curr |
22 | } | |
23 | ||
24 | END { | |
4f4a0353 SK |
25 | final = curr |
26 | print "digraph {" | |
27 | if (init == final) { | |
28 | printf \ | |
29 | "\"%s\" [penwidth=10, style=filled, fillcolor=tomato , fontcolor=white, color=yellowgreen];\n", \ | |
30 | init | |
31 | } else { | |
32 | printf \ | |
33 | "\"%s\" [penwidth=0, style=filled, fillcolor=yellowgreen, fontcolor=white];\n", \ | |
34 | init | |
35 | printf \ | |
36 | "\"%s\" [penwidth=0, style=filled, fillcolor=tomato , fontcolor=white];\n", \ | |
37 | final | |
38 | } | |
39 | ||
5ddd0980 SK |
40 | for (src_dst in nlinks_to) { |
41 | split(src_dst, sd, SUBSEP); | |
42 | src = sd[1] | |
43 | dst = sd[2] | |
44 | m = nlinks[src] | |
45 | n = nlinks_to[src, dst] | |
281ad07d | 46 | penwidth = num_scale(n, m, 1, 5) |
5ddd0980 SK |
47 | color = sprintf("/orrd9/%d", num_scale(n, m, 2, 9)) |
48 | label = sprintf("%s %.2f%%", src, (n / m) * 100) | |
49 | printf \ | |
50 | "\"%s\" -> \"%s\" \ | |
51 | [ label=\"%s\"\ | |
52 | , fontname=monospace \ | |
53 | , fontsize=8 \ | |
54 | , penwidth=%d \ | |
55 | , color=\"%s\" \ | |
56 | , dir=both \ | |
57 | , arrowtail=odot \ | |
58 | ];\n", \ | |
59 | src, dst, label, penwidth, color; | |
60 | } | |
61 | print "}" | |
62 | } | |
63 | ||
64 | function num_scale(src_cur, src_max, dst_min, dst_max) { | |
65 | return dst_min + ((src_cur * (dst_max - dst_min)) / src_max) | |
66 | } |