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OSM Logo This user submits data to OpenStreetMap under the name
JOSM DaCor submits data to OpenStreetMap using JOSM.
Hot logo.svg DaCor volunteers at Humanitarian OSM Team.
Twitter user DaCor tweets as @Dacor_ie
Flag of Ireland.svg DaCor has mapped in Ireland.
Flag of Mali.svg DaCor has mapped in Mali.
Public-images-osm logo.svg I support OSM by being a member of the OpenStreetMap Foundation. Are you?

Joined OpenStreetMap in Jan 2012 and never looked back.

Most of my mapping has been isolated to the City & County of Galway. This will change as Galway nears completion towards a usable map with all major items recorded, to extend out to other areas in Ireland.


Ireland Country Profile - OpenCage Data Blog Personal Profile - OpenStreetMap Belgium

#MapLesotho Project

I am a member of the MapLesotho team

Organisation of Mapping Parties

  • 23rd March 2013 - Tracing of buildings in Galway City, west of the River Corrib
    • Over a dozen people from around the world, including several from Ireland, participated in a MapCraft job to trace every building not already traced. This was anticipated to take over a week to complete, it was completed within 39 hours.
    • MapCraft job can be found here
    • A video was created by Derick Rethans showing the activity. It can be viewed here

Humanitarian Openstreetmap (HOT)

As of Feb 2013 I have started assisting with HOT activation's. Below will be a running tally of where I have assisted, feel free to take part using the HOT Task Manager:


  • Kerena - Buildings & water features added to assist with ground surveys
  • Mopti- Buildings for UN OCHA


Central African Republic

  • Bangui - Mapping roads and buildings

South Sudan


  • Galway City - On the ground mapping & Bing tracing
  • Galway County - On the ground mapping & Bing tracing
  • Everywhere else - Bing tracing


A collection of links that I use regularly or just want to be able to find in a pinch!


Stats of every kind


  • Galway - Wiki section tracking progress of the mapping of Galway City


Quality Control


Mapping Party

  • Walking Papers
  • Mapcraft
  • GPS Track Visualisation

Beginners Materials a.k.a OSM Basics

  • Learn OSM
  • Videos

OSM Visualisation

Other Video Links not Captured Above

Quirky Map Stuff