[postgis-users] Distances from geometries other than points

[Julian Scarfe]

> Take a look at lwgeom/measures.c for examples of working with LWGEOM
> types, then look at lwgeom/lwgeom_functions_basic.c to see how to 
> make wrappers for postgresql. Feel free to ask me if you encounter
> any problem.

Thanks, that's just what I was looking for.

Julian