Offline navigation with "*Use shown track for navigation* -> Yes" *potentially
*very useful, but I have big issues with Time and/or Distance in Walking
mode. It's a shame because OSMAnd+ has excellent potential for walkers,
with detailed maps, contour lines and hillshades.
As far as I can see:
1. Using regular navigation with *no GPX* track or route
- gives expected, and realistic, results
2. Using a pre-planned *detailed GPX track*
- the predictions always seem to ignore elevation
- elevation ignored even if enabled under Navigation -> cogwheel ->
cogwheel Navigation settings -> Use elevation data
3. Using a pre-planned *detailed GPX route*
- gives predictable, but not useful, results
- niggling differences between the pre-planned route, and defined
paths, leads to problems
- routing Distance and Time are increased by constant
micro-diversions to waypoints and back to routable paths
- use elevation data still has a significant impact on Time
4. Using a pre-planned *simplified GPX route*
- gives broadly similar results to regular navigation
- use elevation data still has a significant impact on Time
Item 2 feels like a bug or oversight - surely routing could use GPX track
latitude/longitude and still lookup elevation?
Considering 2, 3 and 4, successfully sharing a predefined route isn't
straightforward... A workaround could be to share two GPX routes, a
simplified one for routing as well as a detailed one to display the actual
planned route. Sharing, and then using, a single detailed GPS track would
be so much simpler, but gives over-optimisitic timings because
topographical/elevation data is ignored.
Can that issue be addressed?
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