Re: [OSGeo-Discuss] Topology - Geography

2007-03-27 Thread Patrick Maue
If you can define your topological relationships in a graph (eg. point data set and connections for neighbourship), you might want to have a look at graph drawing algorithms [1]. [1] http://en.wikipedia.org/wiki/Graph_drawing regards, Patrick Maué [EMAIL PROTECTED] wrote: Hello list,

Re: [OSGeo-Discuss] Topology - Geography

2007-03-26 Thread nicholas . g . lawrence
I would describe the topological relationships as something like this; region A connects to regions B, C D region B connects to regions A E region C connects to region A and so on And then the (hypothetical) tool would construct geometry that satisfies the above topological relationships,