Hi,

Points are all over the net ( the linestrings) because they were extracted from them. The problem is just to classify the linestring points in two groups ( stations and not-stations) and then split the net into smallest lines with stations as start and end points ( because i need the not-stations data too).
   So there is two problems :
1- classify nodes in two groups
2. split linestrings in smallest links using another point table.

I started with python and org, so i´m searching a solution with funcions diferent to ogr's ones. In other words, is there any PostGis funcions to make this split-action? But, algorithmic solutions will be welcomed, too :)

Gus
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