[Talk-us] Deletion of unnecessary TIGER node tags will commence this week-end

[SteveC]

Frederik

Good plan.

One thing though - what order is this being done in? There might be  
arguments for doing geographic areas or some number ranges, or  
something, before others.

Yours &c.

Steve



On 6 Aug 2009, at 12:34, Frederik Ramm wrote:

> Dear all,
>
>    Andy Allan has made a convincing case about superfluous node tags  
> in
> this posting on dev:
>
> http://lists.openstreetmap.org/pipermail/dev/2009-June/016009.html
>
> I have meanwhile prepared the process for the deletion of these tags,
> and have laid out an estimate of the volumes and timespans here:
>
> http://lists.openstreetmap.org/pipermail/dev/2009-July/016401.html
>
> The "executive summary" of both these postings is that it'll be about
> 100 days of intense automatic editing activity and then we'll  
> hopefully
> be through, and have a leaner data set (by 50% or better) which will
> benefit everyone, but especially the US users:
>
> * faster editing due to smaller data volume
> * faster and easier data processing for US data
> * as a consequence, some useful tools and services which are currently
> "Europe only" might be more readily available for the US
>
> The process will drop "source", "tiger:tlid", "tiger:upload_uuid" and
> "tiger:county" from all nodes which have at least one of the three
> "tiger" tags. It will not drop "source" from other nodes. If a node is
> found to be tagless after removing these, and the node is not used by
> any way, it will be removed entirely.
>
> Apollinaris has voiced concerns that such an intense edit activity  
> might
> lead to more conflicts when trying to upload changes. Yes, this is  
> true,
> but the increase is very small indeed and will be further reduced by a
> tight regional grouping of edits. (Nevertheless, while the automated
> edit is ongoing, it is even more advisable than at other times to not
> stretch JOSM edit sessions over hours on end.)
>
> If I don't hear strong objection then I will let the automated process
> commence this weekend. It will work in small chunks, so can always be
> paused, and I will post instructions that allow you to monitor  
> progress
> (and see which area is currently processed). Like every edit, it can
> also be reverted should the need arise, but of course reverting 100  
> days
> worth of edits is something I'd rather not contemplate.
>
> Bye
> Frederik
>
> -- 
> Frederik Ramm  ##  eMail frederik at remote.org  ##  N49°00'09"  
> E008°23'33"
>
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