Inkscape(开源c ++)中有一个大纲跟踪器.

There's an outline tracer in Inkscape (which is open source c++).

http://inkscape.org/doc/tracing/tutorial-tracing.html

这将转换为矢量格式-这样您可以得到一些提示.

This will convert to vector format - so you could get some points out this way.

这实际上使用 http://potrace.sourceforge.net/进行跟踪.

this actually uses http://potrace.sourceforge.net/ for the tracing..