[Imports] List of Lights, Data Import

[Steve Singer]

On Tue, 11 Jan 2011, Bernhard R. Fischer wrote:

> Hi!
>
> I'd like to prepare the import of data of the "List of Lights" (marine lights,
> necessary for sea charts and navigation). According to the OSM-Wiki/Imports I
> shall post this here and describe the import in short.
>
> The original data source is publicly downloadable from here:
> http://msi.nga.mil/MSISiteContent/StaticFiles/NAV_PUBS/NIMA_LOL/Pub110/Pub110bk.pdf
>

> After import, there will be duplicates, approximately 2000 (according to my
> current investigation, but I will work this out more precisely). I think, that
> an automated matching of duplicate nodes will be impossible because the List
> of Lights contains objects at much higher density which makes script-based
> distinct matching impossible.

Have you considered spatial matching? For each light you want to import
check to see if there is already a light within x meters (say 10-20?) if so
excluded the light from the import and leave it to be manually inspected?


>
> Best regards,
> Bernhard
>