Auto-generate progress markers along a line

jeffhar's Avatar

jeffhar

20 Jun, 2018 06:19 PM

One of the common things I do with Caltopo when generating a hiking map is to create a line (GPS route) along the expected path with manually placed start and end markers. To help with planning and staying oriented, I also find (using the Profile feature) and place mile markers and expected hiking time (hours from start) along the path, taking into account any elevation gains and allowing additional time to climb. The estimates are based on e.g. Naismith's rule, or modified according to my expected average travel speed (e.g. slower with heavy pack, faster on a mountain bike, etc.).
Feature request - it would be very convenient if Caltopo supported a way to automatically calculate and place mile (or km) labelled markers along an existing line. Ideally the feature would allow user input of expected travel speed (average speed plus time/1000' additional) and label format. That way printed maps have visual guides of how long it will take to traverse a route. Also exported GPS files have handy waypoints for monitoring actual progress along a path. See the attached map image for an example. Thanks.

  1. Support Staff 1 Posted by matt on 21 Jun, 2018 02:00 AM

    matt's Avatar

    Some variation of a time-to-hike formula is on my radar, although probably not your exact implementation. However you can place markers at a fixed interval - right-click on a line and choose modify -> create points. It's still up to you to compute the profile and travel time between points, but that should be simpler than trying to reverse-engineer the point locations based on the interactive profile.

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