10
Mar
2026
06
Nov
2025
Léarscáil
As part of the Ireland chapter of OpenStreetMap a few years ago I set up a tileserver and a map frontend that defaulted to showing place names in the Irish language (Gaeilge).Recently I spent some time improving both these services. Vector... » More
15
Jun
2025
Merging GPX tracks with gpx.studio
Using gpx.studio I was able to upload multiple GPX files (using File > Open), then right-click on one of the track tabs and choose 'Select All'. Then on the tools on the left choose 'Merge items together'. I opted for 'Merge the contents and keep the... » More
15
Jun
2025
Timmy Mallett’s Distances around Ireland
Using the GPX tracks for Timmy's cycles around Ireland we can determine the total distances travelled. RouteDistance (km)Distance (miles)Wild Atlantic Way34382136Ancient East1178732Northern Ireland1458905All Ireland60743773 Unsurprisingly the... » More
17
May
2025
Create GPX tracks between 2 points
Graphhopper is an excellent online tool for creating a GPX track between two places or coordinates. Search for the source and destination, adjust the markers if necessary and then use the GPX button to download
29
Apr
2025
Overpass Map of Townlands
We received a request on how someone might display a map of the townlands in County Down. One way to display that map is using Overpass Turbo. The query to display the data is: [out:json][timeout:25]; area[name="County... » More
11
Apr
2025
Generate GeoJSON townlands from OpenStreetMap data
Based on an enquiry from a visitor to the OSM Ireland website I had a little play with the OSM data for Ireland to see if I could offer advice on how to generate shape files of townland areas. Below is the process I used and it can be adapted for other... » More
06
Feb
2025
When curl isn’t available inside a container
08
May
2024
VPC Flow Logs in Apache Superset via DuckDB
These notes describe loading VPC Flow Logs in parquet format into DuckDB for visual analysis in Apache Superset. I had never used any of these components before but was able to visualise the addresses using the most bandwidth. If time permits I may also... » More
24
Apr
2024
