Route distance is inaccurate

[alexcojocaru]

There is discrepancy between the distance shown in the bottom panel and the distance on the Heightgraph, the former is higher than the latter. I checked against several routes which I have ridden and the Heightgraph calculation is the correct one.

[nrenner]

The bottom stats panel is using values from BRouter, the distance calculation should be here: https://github.com/abrensch/brouter/blob/master/brouter-util/src/main/java/btools/util/CheapRuler.java

The Heightgraph plugin is using Leaflet's function, which should be this: https://github.com/Leaflet/Leaflet/blob/master/src/geo/crs/CRS.Earth.js

See also: brouter#3 cleanup distance calculation Route length calculation slightly off? (OSM Android bikerouting group)

[alexcojocaru]

From what I can see, the BRouter based distance calculation favors performance over accuracy, while the Leaflet based calculation does the opposite.

[quaelnix]

This will be fixed by: https://github.com/abrensch/brouter/pull/499