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Thanks for this. I'm curious to know: why did you include two routing engines (OTP and valhalla)? Wouldn't e.g. OTP sufficient and use much less resources compa

• easrng 4y ago
  Looks like they use either mapbox gl is or maplibre gl js to render the map
  • karussell 4y ago
    I meant there are many ready-to-use map UIs out there already, like the UI from OTP or valhalla itself. No need to reinvent the wheel. E.g. see https://valhalla.openstreetmap.de/ https://valhalla.openstreetmap.de/ Or https://github.com/Qwant/erdapfel https://github.com/Qwant/erdapfel Or https://graphhopper.com/maps2 https://graphhopper.com/maps2 & https://github.com/graphhopper/graphhopper-maps https://github.com/graphhopper/graphhopper-maps (disclaimer: I'm a contributor there)
• ellenhp 4y ago
  OTP is a resource hog (for good reason, it solves a harder problem than valhalla). Covering a US state is very much pushing it for OTP, and covering the planet wouldn't work at all on any hardware. I didn't use OTP's frontend because I found it unpleasant to use. Valhalla's frontend wouldn't work well with OTP and I don't find it terribly pleasant to use either. Neither work on mobile, and neither work with vector maps, it seems? I haven't tried out GraphHopper's UI though.