Add vertex keys to edges of calculated route #84
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This is a small change to
index.tsto add the vertex keys to theedgeDatasof each edge of the calculated route.Why is this useful? It allows an approximate calculation of the distance of each edge on the route. For my use case (an augmented-reality walking app), I wish to calculate what proportion of the route is on footpaths (trails), and reject the route if the proportion is below a certain value. Adding the vertex keys to each edge allows this.
Tested (on my own app, https://github.com/nickw1/hikar.js) and it works, I also displayed each
edgeDataon the console, and it shows up as expected.