[OSM-talk] "derivative" work and source/created-by tag

[David Groom]

>----- Original Message ----- 
>From: "Frederik Ramm" <frederik at remote.org>
>To: <talk at openstreetmap.org>
>Sent: Tuesday, April 24, 2007 4:45 PM
>Subject: [OSM-talk] "derivative" work and source/created-by tag
>

>Hi,
>
>I have changed a lot of coastline manually in the last few days,
>often with reference to Landsat imagery. Would you in such cases
>remove the "source" or "created-by" tags on the coastline that refer
>to the coastline importer originally creating the data?
>
>I am asking because I, if I were the writer of the coasline stuff and
>say I found a bug in my script, would be tempted to just delete
>everything that carries my signature and re-import.
>
>However if things have been improved (or at least changed) manually,
>something like that should not happen.
>
>Has my manual change broken the link between the creating script and
>the created segment/way enough so that I am entitled or even expected
>to remove the script's signature tags?
>

Some months ago I amended a lot of the UK coastline, tidying up what the 
import script had produced, and I decided to leave the source tag alone 
since it that was the original source of the data.

David

>Bye
>Frederik