Segmentation fault with transparent edges
twopi -x -v -Tsvg input.dot -o output.svg
...
shrinking with 1.000000 works
overlap removal neighbors only?= 0 iter -- 39, overlap factor = 0 underlap factor = 0.0404487
overlap removal neighbors only?= 0 iter -- 39, overlap factor = 0 underlap factor = 0.0404487
Edge separation: add=1 (3.200000,3.200000)
Creating edges using splines
Segmentation fault (core dumped)
version used
$ twopi -v
twopi - graphviz version 2.40.1 (20161225.0304)
libdir = "/usr/lib/graphviz"
Activated plugin library: libgvplugin_neato_layout.so.6
Using layout: twopi:neato_layout
Activated plugin library: libgvplugin_core.so.6
Using render: dot:core
Using device: dot:dot:core
The plugin configuration file:
/usr/lib/graphviz/config6
was successfully loaded.
render : cairo dot dot_json fig gd json json0 map mp pic pov ps svg tk vml vrml xdot xdot_json
layout : circo dot fdp neato nop nop1 nop2 osage patchwork sfdp twopi
textlayout : textlayout
device : bmp canon cmap cmapx cmapx_np dot dot_json eps fig gd gd2 gif gtk gv ico imap imap_np ismap jpe jpeg jpg json json0 mp pdf pic plain plain-ext png pov ps ps2 svg svgz tif tiff tk vml vmlz vrml wbmp x11 xdot xdot1.2 xdot1.4 xdot_json xlib
loadimage : (lib) bmp eps gd gd2 gif ico jpe jpeg jpg png ps svg xbm
DOT file simply
digraph G {
overlap=false;
splines=true;
edge [color="transparent"];
"ff63fe" -> "687c26";
"ff63fe" -> "1a6517";
"ff63fe" -> "26b7fa";
"ff63fe" -> "8f5108";
"ff63fe" -> "13acfd";
"ff63fe" -> "216bbc";
edge [color="transparent"];
"dfb12f" -> "40180e";
"dfb12f" -> "58b40c";
...
With some 170 nodes, 3 of them having outgoing colored edges (red, gree, blue)