Very true Mike. There is still some value in detecting TIGER roads that are in 'original' state. For example, if you can detect a cluster of 'unmodified' TIGER roads, that would point to an area entirely untouched by human editors. I write 'original' and 'unmodified' in quotes, because a number of bots have touched most TIGER imported ways, so TIGER ways having version=1 are rare.-- Martijn van Exel [email protected]
On Fri, May 11, 2018, at 11:44, Mike Thompson wrote: > > > On Fri, May 11, 2018 at 10:56 AM, Martijn van Exel > <[email protected]> wrote:>> __ >> As long as there is at least one tag left that would indicate TIGER >> as the original source, so we can continue to detect 'unmodified >> TIGER' roads.>> - > Just because a TIGER road has been modified doesn't mean it has been > verified, for example if you add a side street you will probably have > to add a shared node at its intersection with the road in question, > and that would bump the version - meaning it is now "modified" even > though the mapper may not have reviewed the entire length of the TIGER > road. Conversely, just because a TIGER road is still at version 0, > doesn't mean it hasn't been verified as existing nodes that make up > the way can be moved without bumping the version on the way.>
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