Tagged: OS crag
February 4, 2021 at 18:21 #41731
Any chance we could get the OS crag detail on the UK OpenAndroMap?
I’ve just discovered the JohnThornMaps via Locus Map.
The UK map is a vector map (.map – 1.6GB) and includes all the accurate OS crag information in vector form. Could this information be included in the OpenAndroMap of the UK please? That would be really good
See attached pic of the OS map, JohnThornMap and the OpenAndroMap.February 4, 2021 at 19:26 #41742JohnPercyParticipant
Having UK knowledge, I’ll bat first.
The crag detail is part of OS OpenData, and is therefore freely available. However it’s not in the OSM data that the maps here rely upon, nor can I see any way of getting this OS information into a usable form for OSM.
I think that the crag lines are schematic rather than actual details, though.February 4, 2021 at 22:29 #41757
John, thanks…I don’t have the techie knowledge.
I’m curious…what do you mean by ‘schematic rather than actual details’?
I hoped that as OpenAndroMaps ended up as a mapsforge file, and that the JohnThornMap also uses OSM data to generate a mapsforge file, that the crag detail could be incorporated in either?February 5, 2021 at 10:03 #41767JohnPercyParticipant
I think the lines indicate that there are crags, not the actual lines of the crags. Rather like the pylon markers on OS maps indicate there are pylons but not their actual position.February 5, 2021 at 11:56 #41779
Sorry…I’m still not with you. I think the crag markings represent the actual crags reasonably well. In the attached picture is a steep gully by Symonds Knott on Scafell that I know, having been up and down it a few times. The OS crag markings are a fair representation of a very complicated bit of ground. On the JohnThornMap the crag markings are vector shapes. Points joined by straight lines. That’s not obvious at normal zoom levels but zoom in and it becomes apparent (see attached image).
Those JohnThornMaps are vector mapsforge maps and are a combination of OSM data and OS data. eg The path down the gully is an OSM path not found on the OS mapping.
I’m just trying to understand why JohnThorn can incorporate the OS crag markings (and OS contours) in a vector mapsforge map along with OSM data but that can’t be done with OpenAndroMaps.
I’m a fan of OAM so always interested in them being better, if possible. I wish I had the techie skills to get stuck in.
Thanks for your time
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