jidanni
- Mapper since:
- May 08, 2009
- Last map edit:
- December 13, 2025
Latest Diaries
Diary Entry When to flip north-south road names
North America has a lot of streets that go “straight north and south”. This presents a difficulty because once a road’s azimuth goes left of due n...
Diary Entry International Boundary Line, Rainbow Bridge, Niagara Falls US/Canada
I made this “brilliant essay” about the US/Canada flag positions on Rainbow Bridge, Niagara Falls. What does it have to do with OpenStreetMaps? W...
Diary Entry Most cellphone GPS traces will pollute OSM
Here we see that most of today’s cellphones’ GPS traces are “all over the parking lot,” thus will degrade the quality of OSM when making a map from...
Diary Entry GitHub's backward blocking causes conflict aggravation
GitHub is great, but note, if you block somebody on GitHub, they won’t get (your) notifications: @holmes: any final opinions? Alas, holmes wo...