[Talk-us] A Friendly Guide to 'Bots and Imports

Ian Dees ian.dees at gmail.com
Thu Aug 5 22:55:42 BST 2010


On Thu, Aug 5, 2010 at 4:43 PM, Alan Mintz
<Alan_Mintz+OSM at earthlink.net<Alan_Mintz%2BOSM at earthlink.net>
> wrote:

> At 2010-08-05 11:52, Ian Dees wrote:
>
>> ...
>> It isn't any different. I had made the (bad) decision at the time to
>> import over any existing data because in the several hundred places I
>> spot-checked, NHD was vastly superior in resolution (and probably quality).
>>
>
> By "import over", do you mean to add duplicates, replace the existing
> features, or merge the info from the two manually?
>

Add duplicates.


> As I manually survey various features (POIs, some hydro, etc.), I usually
> try to merge in the data from existing imports so as to maintain the link
> (e.g. gnis:feature_id) back to the original database, in case we want to
> exchange updates with them again.
>
> One thing that occurs to me that may be a problem is that I occasionally
> have to delete a feature that is no longer present (e.g.
> http://www.openstreetmap.org/browse/node/358808220). If we were to feed an
> update back to GNIS or get one from them, this situation would have to be
> taken into account.
>
>
When I made the original GNIS import I saved the resulting XML and IDs
(which would have allowed us to detect deletions) but promptly lost it in a
hard drive crash.
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