allow mode "to" in isochrone computation (instead of "from")

UrbanAnalyst / gtfsrouter

Routing and analysis engine for GTFS (General Transit Feed Specification) data

https://urbananalyst.github.io/gtfsrouter/

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allow mode "to" in isochrone computation (instead of "from") #34

Closed AlexandraKapp closed 2 years ago

AlexandraKapp commented 4 years ago

gtfs_isochrones are calculated from a startpoint. It would be great if this could also be the destination.

mpadge commented 3 years ago

Thoughts on this @AlexandraKapp? I guess it would still be possible, by simply inverting the whole timetable to exchange departures and arrivals, and calling gtfs_traveltimes() on that. Transfers are all bi-directional, so the whole thing should "just work". Do you think that would be useful?

AlexandraKapp commented 3 years ago

to be honest we didnt really need that the past half year. Might be a nice-to-have at some point...

mpadge commented 3 years ago

That's good news. I'll leave this issue open, but keep pretty low priority for now.

mpadge commented 2 years ago

The isochrone function has been deprecated, so this is no longer directly relevant, although may be revisited for the replacement gtfs_traveltimes() function.