On Thu, Sep 20, 2007 at 07:10:26PM -0400, Philip Schuchardt wrote: > I'm developing a new graphical survey data entry tool. I would like to use > survex's loop closure and point generation engine. Which source files should > I look at? It's not very modular currently sadly, but take a look at src/net*.c and src/net*.h. Cheers, Olly