On Tue, Apr 26, 2011 at 11:26 PM, Mike N <[email protected]> wrote:
> On 4/26/2011 9:11 PM, Anthony wrote:
>>
>>  mess up more than they help, but it is
>> something which can be done.  An example of data which doesn't have a
>> real world meaning would be the TIGER TLID.  That would be data which
>> isn't crowdsourced editable.  Whatever TIGER says the TIGER TLID is,
>> that's what it is.  That kind of stuff shouldn't be imported.
>
>   TLID can be useful for very narrow situations

I'm sure it can.  But it shouldn't have been imported, because it
isn't a real world feature.

> - I have encountered one in
> my playing with conflation algorithms.    Obviously very far from a general
> purpose tool, it allows projection of high accuracy updated unnamed road
> geometry onto the original sloppy sketch.  Without a TLID, it would require
> the mapper to manually delete and create the new one, or spot the general
> shape and associate the 2 objects.

Not sure what you mean.  Why can't you just use the way id, and keep
the way id <-> TLID table offline?  (Yes, the mapping will get messed
up as people split and delete and recreate ways, but that's what's
happening with the TLIDs anyway.)

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