该文档建立在graphviz画图软件英文使用手册基础之上,作者理解后翻译成中文,具有较高的参考价值.-The document built on the graphviz drawing software based on the user manual in English, translated into English after the understanding of, and the higher reference value.

可以在C++和Java里调用接口直接绘图，老外写的开源画图库，免费使用。-In the C++ and Java in the call interface directly drawing, painting gallery foreigner to write open source, free of charge.

The algorithm developed by Eppstein not looking for simple paths. In Indeed, the paths returned by the algorithm may contain rings or loops. It applies only on graphs where the weights are positive. This algorithm is based on extensive use of h