[Geotools-gt2-users] Difference between Basic and Opt classes

Hi guys, My question is all in the subject field. What is the difference between Basic and Opt classes in Geotools 2.4.1? I mean, BasicEdge - OptEdge, BasicGraph - OptGraph and so on. Thanks in advance. Regards, Caterina-

[Geotools-gt2-users] Shapefiles and graphs

Hello, I have to implement an application to calculate the distance between two points of a map. My maps are stored in ShapeFiles so using GeoTools I have to convert them into a graph and then apply Dijkstra algorithm. Easy to say, but a bit harder to do. It's my first experience using GeoTools