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nl Deze gebruiker heeft Nederlands als moedertaal.
en-3 This user is able to contribute with an advanced level of English.
no-2 Denne brukeren har god kjennskap til norsk (bokmål).
de-2 Dieser Benutzer hat fortgeschrittene Deutschkenntnisse.
fr-1 Cette personne peut contribuer avec un niveau élémentaire de français.
da-1 Denne bruger taler dansk.
sv-1 Denna användare har grundläggande kunskaper i svenska.

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I support OSM by being a
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Are you?

Hi! I'm Derick and I am a map geek :-)

I mostly map around Kilburn in London where I live, but also frequent the London mapping parties.

I ran for the Foundation/AGM11/Election_to_Board but didn't get elected.

I blog at, about PHP, technology and OpenStreetMap.


Mapping Progress

I've written software to visualise mapping party progress by creating a video. It's online at Videos that this tool has created are on Vimeo:

Year of Edits

On Vimeo, there are also two "year of edits" videos that I have created. The software for this not ready to be published yet, but you can enjoy the videos here:

- (2010)
- (2011)

Garmin Tools

I've written some tools to convert sources of discrepancies (the ITO world, OS musical chairs and OSM bugs data sets) to Garmin maps. I'll be contributing some more code to this github repository as well.


I collect using pen and paper most of the time, but also use:

Garmin Vista HCx

For collecting GPS traces and also viewing maps and navigating.

Kodak Zi6

For taking pictures and videos of shops.

JOSM Derick submits data to OpenStreetMap using JOSM.