Hi, after letting the idea spin in my head a while, here's what i got. Import everything from geobase, and just add the 'render=no' tag. Here's why. 1 we already know that all we need todo is select the group of areas, ways &points that we see are not in conflect with anything else, and select the tag, and change it to 'render=yes' so a whole bunch of stuff can be released for rendering. 2 when new data is available, it can simply check to see if the tag exists, can check if it needs updating, and update it, but not be rendered. 3 it wont be a problem as since its not rendered, it will only show when a user sees that the rendered version needs to be fixed, when someone is actually there. 4 in the case where geobase is 'wrong' instead of 'incomplete' the 'wrong version would stay and exist in the database, until physially removed, so the next 'dump of data would show it better. 5 would it be possable to have data over top of eachother where the rendered version was combined? Yes, but it wouldnt make a difference as the latest data dump wont be rendered. So heres are challenge, if we can import this all, and prove to the community that this is the best map available, more and more companies will be using this as the best available data. Then local government would see the merrit of contributing, rather than reinventing the wheel. Looking forward to feedback, Sam
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