Changeset: 65945532
Cape Raoul & Shipstern Bluff Lookout track updates
Closed by Luen Warneke
Tags
changesets_count | 165 |
---|---|
created_by | iD 2.12.2 |
host | https://www.openstreetmap.org/edit |
imagery_used | Custom (https://services.thelist.tas.gov.au/arcgis/rest/services/Basemaps/Topographic/MapServer/tile/{z}/{y}/{x});.gpx data file;Bing aerial imagery |
locale | en-AU |
source | gps;local knowledge |
Discussion
-
Comment from aharvey
Hi it looks like you've used thelist as a background map, which is licensed CC BY. OSM requires a waiver to use CC BY data per https://blog.openstreetmap.org/2017/03/17/use-of-cc-by-data/ and per https://wiki.openstreetmap.org/wiki/Australian_data_catalogue the Tasmanian Government indicated in May 2017 and again in Dec 2018 that they did not wish to provide the waiver. So we're not able to incorporate their data into OSM. Could you please clarify which exact data you've sourced from thelist vs from GPS, bing and survey as we'll need to go through and redact that from OSM.
-
Comment from Luen Warneke
To be honest, I don't remember using the Tasmanian map at all - probably just to see what it had (I know now that I shouldn't even bother looking at it). All I can recall is using my GPS data to fix the track; I believe I made it a public gps trace. If anything, I would have used the map to look at the place names. Currently looking the the tassie map and I don't see why I would have used it. (https://maps.thelist.tas.gov.au/listmap/app/list/map)
-
Comment from aharvey
Great so it sounds like everything is okay and nothing needs removing, thanks for confirming!
-
Comment from Warin61
The track you have entered looks to go up a vertical face at about node 6177428032.
Looking at Ersi clarity there is a nice level track that I would think a normal walker would be far happier with.
Later on the OSM path goes further inland that shown on Ersi, but i think this is a track realignment by ParksTas to reduce risks of people falling over the cliff. -
Comment from aharvey
@Warin61 this track is correct as confirmed by the OSM GPS traces layer (one of those traces should be my GPS trace), if you turn that on you'll see the track is aligned well. Don't trust the imagery here.
-
Comment from aharvey
If you want you can also check it out at https://dev.beyondtracks.com/carto/debug/#15.39/-43.236187/147.795203 and switch to "Satellite" and you can see this also aligns with the Tasmanian Government aerial imagery, though I'd still trust the GPS traces more.
-
Comment from Luen Warneke
Hi Warin61,
I edited the track after hiking it. See https://www.strava.com/activities/2034206962
The track did go where I marked it (to the lookout/cliff). There, however, was a shortcut people took but it was not the track. The track is smooth, level, graded track. See photos of this section of the hike: https://photos.app.goo.gl/qrL82wE6aP5Z9DvF6You can download the gpx file from strava. Also note the alignment differences between the bing and Ersi clarity.
-
Comment from aharvey
@Luen Warneke ps you can also upload your GPS traces to https://www.openstreetmap.org/traces which go into OSM's gps traces layer which help to provide evidence and justification of trace locations as mapped in OSM but also aid in mapping.
-
Comment from Luen Warneke
@aharvey, I already have :)
https://www.openstreetmap.org/user/Luen%20Warneke/traces/2881081Thanks and great work on beyond tracks.
-
Comment from aharvey
Oh sorry I didn't realise, that's great!
-
Comment from Warin61
Hey hey .. thanks guys.
I have been adding holes on the tree area using Ersi clarity .. will use the gpx trace to realign the Ersi imagery and correct my mapping! Humm might be better off using Bing .. the Ersi correction changes too much form one area to another...I'll put in cliff lines once I have done that.
Ways (9)
Nodes (1-20 of 255)
Welcome to OpenStreetMap!
OpenStreetMap is a map of the world, created by people like you and free to use under an open license.
Hosting is supported by Fastly, OSMF corporate members, and other partners.
https://openstreetmap.org/copyright | https://openstreetmap.org |
Copyright OpenStreetMap and contributors, under an open license |