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Dublin: DART possibly missing #49

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lutzky opened this issue Feb 16, 2025 · 3 comments · May be fixed by mapnificent/mapnificent_cities#69
Open

Dublin: DART possibly missing #49

lutzky opened this issue Feb 16, 2025 · 3 comments · May be fixed by mapnificent/mapnificent_cities#69

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@lutzky
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lutzky commented Feb 16, 2025

For Dublin, Ireland, the DART appears not to be taken into account. As an extreme example, riding Malahide->Bray takes 75 minutes:

Google Maps

Image

...but mapnificent doesn't think it's even doable in 90:

Image

https://www.mapnificent.net/dublin/#11/53.3569/-6.3151/5400/53.4535/-6.1554

This is an extreme example for illustration; smaller, but still-pronounced effects, are evident on more realistic commutes.

The issue reproduces when building myself from the main branch, as well as on current-live mapnificent.net. I have a vague recollection that this used to work correctly for DART. The other two major public transport mechanisms in Dublin, Luas and Dublin Bus, work correctly; my guess is something about the GTFS source for DART is misconfigured.

@lutzky
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lutzky commented Feb 16, 2025

Ah, indeed the issue is actually with dublin.md, which has the following three feeds:

  • 1044 - this is Go-Ahead (a bus company which operates in Dublin alongside Dublin Bus)
  • 1045 - this is Luas (a tram system)
  • 782 - this is Dublin Bus

The Dart is absent, and based on the file history, always has been. In fact, I cannot seem to find such a feed in a quick search, which is somewhat surprising. I'll keep looking.

@lutzky
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lutzky commented Feb 16, 2025

Apparently a unified GTFS file, which includes a number of agencies, is available at https://www.transportforireland.ie/transitData/Data/GTFS_Realtime.zip; I'll give this a try.

@lutzky
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lutzky commented Feb 16, 2025

Apparently a unified GTFS file, which includes a number of agencies, is available at https://www.transportforireland.ie/transitData/Data/GTFS_Realtime.zip; I'll give this a try.

Indeed, with this file, parsed using https://github.com/mapnificent/mapnificent_generator, the exact same URL (same position, same time) as #49 (comment) gives this:

Image

...clearly illustrating destinations reachable by DART and other trains.

lutzky added a commit to lutzky/mapnificent_cities that referenced this issue Feb 16, 2025
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