Hi, I am working on how to import the Australian suburb boundaries. I have these as a set of shapefiles that define an enclosed area for each suburb.
The suburbs share many points in common and the outline of one areas overlays the outline of the neighbouring suburb(s) as would be expected. It's fairly easy to de-dupe the points that make up the shape, but I'm struggling with the next part I want to do. I'd like to split the areas in to sets of borders between the two adjoining suburbs. While I believe I have an approach, it's looking annoying and complicated. So, does anyone know if there is a 'standard' algorithm for doing this ? thanks -- Franc
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