Ian wrote "Do you want me to try this on a small area (like Canberra :-) to see if it gives the desired results?"
Yes - you could try but I've beaten you to it. A couple of weeks ago I spent a lot of time and an awfull lot of downloading in JOSM to find and destroy all the V1 boundaries. I think there is now only the state boundary left (level 4) and I'm sure I busted that one as well by mistake. It was tedious work and very easy to destroy good roads that are very close to the boundaries. Having done this I could then start remapping (well after removing some obscuring power lines and footpaths that I will have to remap later). Out in the rural areas it can take up to 10 minutes just to download and destroy a single long boundary. There are about 15,000 that need removal. I do think that if people see a lot of red disappear and then know that anything that is left that is red is worth working on, then maybe remapping will start in earnest. Also mass deletion of v1 (virgin) boundaries will have the benefit that if you see a boundary then you will know that it either is containing some good info that may be reclaimable, or that some good stuff is hiding underneath and may be salvagable. I will also endeavour to find a way to visualise or at least easily locate those non v1 boundaries that have a road/river/railroad or runway mixed in or have been glued to them so that we can easily see if we can recover any clean information and maybe completely remap with BIng landsat etc. I need to remove all v1 boundaries between here and Adelaide and all of south eastern NSW. I'm not adept at bulk adds/deletes etc and would really like the DWG to do it and get it right. Also this would reduce load on the servers which I am giving a fair hammering, looking at history etc.... Nick
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