OpenStreetMap
Not my best day of mapping
Posted by Ævar Arnfjörð Bjarmason on 24 June 2009 in English. Last updated on 31 October 2009.Today I cycled out to a beach by Groß Glienicker See. Noticing that the two islets around 250 meters from the shore weren't on my recently updated Garmin map, and incorrectly recalling that that area of Berlin didn't have Yahoo aerial imagery I decided to swim out two the two islands to record a track their dimensions.
As it turns out those islets weren't rendered on my map due to a missing multipolygon relation, there is Yahoo aerial imagery available for that area, and my Garmin 60CSx isn't quite as waterproof as advertised.
The two islets are more accurately traced now though, and I'll see if I can't get my GPS working tomorrow after drying it off overnight.
Update: I've written a follow up blog posting describing how I repaired by GPS.
Discussion
Comment from robert on 25 June 2009 at 12:29
This is hardcore mapping.
Comment from m_fl on 25 August 2010 at 18:07
Thanks for your blog - it helped me to get my GPSMAP 60CSx back to work again after it had spend 12 hours in the mud of a creek (until I could find it the other day).
Well it's not that bad - it just accumulated half a spoon of water!