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Augmented reality maximum view distance #2765

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astewart77 opened this issue Jan 9, 2025 · 1 comment
Open

Augmented reality maximum view distance #2765

astewart77 opened this issue Jan 9, 2025 · 1 comment
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p3 Priority 3 tool-augmented-reality
Milestone
6.8.0

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@astewart77
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Why is the maximum allowed only 100 feet? If I am following a backtrack, but not constantly watching my phone, it's easy to walk more than 100 feet past a turn. When I suspect I missed it and turn around, I can't see the path.

Also, when looking to cross a path from a gpx file with points more than 200 feet apart, I walked between two points without seeing the path when I crossed it. It took an arbitrary walk to the right or left at a probable intersection to pick up the path.

Is there a computational difficulty with a larger maximum?

Alan
@kylecorry31
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Hi, the maximum path view distance was set due to performance concerns based on real world testing. I can experiment with increasing it, with a warning that it may degrade performance.

Trail Sense uses the following algorithm, so it should be able to handle spaced out points in most cases:

  • Interpolate points on the path to obtain the desired spacing (this should handle spaced out paths)
  • Snap to the nearest point if within ~60 feet (accounts for most GPS drift)
  • Clip to the bounds
  • Render the points to the screen

@kylecorry31 kylecorry31 added this to the 6.8.0 milestone Jan 9, 2025
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p3 Priority 3 tool-augmented-reality
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@kylecorry31 @astewart77