[Talk-GB] OS 1:25K tracing

Andy Robinson (blackadder-lists) ajrlists at googlemail.com
Fri Jan 22 10:00:35 GMT 2010


Power lines is a good example. We have some that were added for Birmingham
from the 1:25k which are no longer present. Its easy to fix but a task we
needn't have to do if folks traced what they know is present still on the



>-----Original Message-----
>From: talk-gb-bounces at openstreetmap.org [mailto:talk-gb-
>bounces at openstreetmap.org] On Behalf Of Steve Hill
>Sent: 21 January 2010 10:53 PM
>To: talk-gb at openstreetmap.org
>Subject: [Talk-GB] OS 1:25K tracing
>Since the out of copyright 1:25K maps appeared, there has been rather a
>lot of tracing going on.  On the whole, I think the availability of this
>data is good.  However, I have noticed that around the Gower peninsula,
>quite a few nonexistent roads, etc. have appeared and have been attributed
>to these maps.
>I'd like to take the opportunity to point out that blindly tracing fairly
>old maps without doing any kind of a survey is pretty counterproductive -
>someone now has to go around and survey and delete these bogus features.
>By all means, trace the maps to add stuff you know is there, but please
>don't just trace everything without some local knowledge.
>  - Steve
>    xmpp:steve at nexusuk.org   sip:steve at nexusuk.org
>      Servatis a periculum, servatis a maleficum - Whisper, Evanescence
>Talk-GB mailing list
>Talk-GB at openstreetmap.org

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