[Talk-GB] Western Isles / Na h-Eileanan Siar

Paterson, Keith keith.paterson at gmx.de
Mon Mar 28 18:37:14 UTC 2016


How should they be mapped. Eilean Bàn at Kyle looks similar.

>   * Many of the coastlines are uncorrected PGS data often with
>     systematic errors of placement of 100s of metres.
>   * In some cases shadows on high cliffs have led to erroneous
>     coastlines (notably Soay which should now be corrected).
>   * The Western Isles boundary largely does not follow the coastline.
>     It appears to mainly result from import of Boundary Line Open Data
>     and therefore uses the low water mark. This data is generally more
>     accurate than coastline data so many islands fall outwith or
>     across the admin boundary.
>   * Many islands are not actually part of the boundary relation at all.
>

Is it right and the other small ones wrong. Is there a wiki?


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