[talk-au] Mapping tracks from Strava heatmap

[Tom Brennan]

Hi Adam

That was my take on why the 'heat' is no longer there.

The fires of 2019-20 burnt that area fairly badly. The scrub in places 
is now very tough going, but would have been easier in say mid-to-late 2020.

cheers
Tom
----
Canyoning? try http://ozultimate.com/canyoning
Bushwalking? try http://bushwalkingnsw.com

On 26/02/2023 10:24 pm, Adam Horan wrote:
> This page 
> https://support.strava.com/hc/en-us/articles/216918877-Strava-Metro-and-the-Global-Heatmap <https://support.strava.com/hc/en-us/articles/216918877-Strava-Metro-and-the-Global-Heatmap>
> says that "The Global Heatmap shows 'heat' made by aggregated, public 
> activities *over the last year.*"
> 
> So it's possible there were routes showing when the original mapper 
> mapped this but they've expired now.
> 
> 
> On Sun, 26 Feb 2023 at 22:10, Adam Horan <ahoran at gmail.com 
> <mailto:ahoran at gmail.com>> wrote:
> 
>     My view is also that Strava heatmaps are insufficient on their own
>     to prove a track. They do show that a reasonable number of people
>     have passed along a particular route in recent times. They don't
>     prove a path or track, and they give no indication of permissions.
> 
>     However I did look for details of way 963735356 in the Strava
>     heatmap, and there's very little in Strava in that area. It's
>     possible the user did have the heatmap open in iD but didn't trace
>     all the routes from there. Some might be 'local knowledge'.
> 
>     I do make use of the strava heatmaps frequently to refine the route
>     of known tracks, especially if there's lots of tree cover and you
>     can't see the tracks too well in imagery.
>     10s or 100s of averaged GPS tracks is better than a single GPS track
>     which you might record yourself.
> 
>     Adam
> 
> 
> 
>     On Sun, 26 Feb 2023 at 18:24, Tom Brennan <website at ozultimate.com
>     <mailto:website at ozultimate.com>> wrote:
> 
>         Do people have a view on the armchair mapping of tracks from Strava
>         heatmaps?
> 
>         I can see a bunch of tracks in Kanangra-Boyd NP that have been
>         mapped by
>         an overseas mapper off Strava heatmap.
> 
>         They almost certainly don't exist on the ground. They are known
>         bushwalking routes (off track), but would be very unlikely to
>         have a
>         track even in good times, let along after the fires and 3 years
>         of La Nina!
> 
>         Example:
>         https://www.openstreetmap.org/way/952248376
>         <https://www.openstreetmap.org/way/952248376>
> 
>         cheers
>         Tom
>         ----
>         Canyoning? try http://ozultimate.com/canyoning
>         <http://ozultimate.com/canyoning>
>         Bushwalking? try http://bushwalkingnsw.com
>         <http://bushwalkingnsw.com>
> 
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