Is anyone familiar with any open source open source code that performs graph processing (dot and click) using graph layout algorithms? I would like to use algorithms to build a graph, which I could subsequently manipulate in the graphical interface.
graphviz C code and architecture are quite complex. You can watch canviz . This is a Javascript rendering engine that you can port to C.
Some time ago I tried to use qt following this post, but it was not an easy way.