Bicycle routing avoiding road works

Posted on July 16, 2019 in Dev • 2 min read

Many cities (and administrative areas) in France are providing OpenData feeds concerning ongoing road works. All are not as detailed or as precise, but they all provide the information about potential traffic disruption in this area.

When you ride a bicycle, most road work may actually affect your route, either directly (bicycle lane closed without any deviation) or indirectly (road works usually means a lot of traffic jam, and it may be tricky even with a bicycle). Can we have a router avoiding road works?

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Cycl’Assist/Cygnal 0.4 is out!

Posted on January 22, 2019 in Dev • 2 min read

Cycl’Assist aims to be a webapp to ease tracking and reporting issues with bike infrastructures while riding your bike (any danger on the way such as holes in the ground, cars parked like sh*t, road work, etc). You can think of it as Waze for bikes :) Version 0 …

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Manage expiration of cached assets with Service Worker caching

Posted on January 05, 2019 in Dev • 4 min read

My Cygnal app uses OSM map tiles to render the map on which the reports are shown. It is meant to be used in realtime, on your mobile phone, mounted on your bike and there can often be some network issues in this setup.

I was looking for a way …

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Generating your own vector tiles

Posted on December 30, 2018 in Dev • 10 min read

There is a cycle-oriented OpenStreetMap render available, called OpenCycleMap. Sadly, OpenCycleMap is not really open (as in opensource) and it is not easy to report issues and get bug fixes. Moreover, you cannot selfhost it and have to pay after a given number of requests.

There were discussions recently, on and on the French OSM mailing-list about eventually having an alternative render dedicated to cycling which would be totally opensource, free software and selfhostable.

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Suivi des passages de bus à partir des données ouvertes d’IDFM

Posted on 16 December 2018 in Dev • 2 min read

Île-de-France Mobilités (anciennement STIF) propose des APIs de test des passages en temps réel sur leur réseau (gratuite jusqu’à 200 000 appels pour une ligne et un arrêt par jour, ou 1000 appels par jour pour avoir l’aperçu global sur tout le réseau). On peut donc accéder facilement …

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