Re: [Tagging] Geological Faults

2017-09-11 Thread J.J.Iglesias 
Well, is not my goal to map the whole extension of a fault, but just the 
visible portions like where there is shear terrain indications or waviness in 
known faults or unstable terrain due to faults, not the actual extension of San 
Andreas, I agree that there is several Geological Maps were this data is 
depicted, not in OSM.

Rgds

JJ
  - Original Message -
  From: Volker Schmidt
  To: Tag discussion, strategy and related tools
  Sent: Monday, September 11, 2017 5:43 PM
  Subject: Re: [Tagging] Geological Faults


  Geological faults should not go into the OSM data base, only visible features 
should go into OSM. This may include visible features that are caused by 
geological faults, including, in particular, features that mark such faults on 
the surface.
  Specialised maps of geological faults exist and can be consulted by experts. 
Such maps could be meshed with OSM data to produce maps combining surface 
features and underground features.


  On 11 Sep 2017 11:17 p.m., "Graeme Fitzpatrick"  wrote:

& couldn't this only be done in OSM if the fault (or evidence of it) is 
actually visible on the Earth's surface?


I mean, can we actually map a fault that's several / 0's / 00's klm under 
the ground?


As David said though, really just a guess as I've also never been involved 
in that sort of thing.


Thanks


Graeme

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Re: [Tagging] Geological Faults

2017-09-11 Thread Volker Schmidt 
Geological faults should not go into the OSM data base, only visible
features should go into OSM. This may include visible features that are
caused by geological faults, including, in particular, features that mark
such faults on the surface.
Specialised maps of geological faults exist and can be consulted by
experts. Such maps could be meshed with OSM data to produce maps combining
surface features and underground features.

On 11 Sep 2017 11:17 p.m., "Graeme Fitzpatrick" 
wrote:

> & couldn't this only be done in OSM if the fault (or evidence of it) is
> actually visible on the Earth's surface?
>
> I mean, can we actually map a fault that's several / 0's / 00's klm under
> the ground?
>
> As David said though, really just a guess as I've also never been involved
> in that sort of thing.
>
> Thanks
>
> Graeme
>
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Re: [Tagging] Geological Faults

2017-09-11 Thread ksg 
geological=fault would be more specific and has more than 900 occurrences in 
the db.  

https://taginfo.openstreetmap.org/keys/geological#values

But a fault - like many geological features - usually can only be reliably 
determined by experts. In respect to ground verifiability geological conditions 
are somewhat difficult, if not signposted ;)

Added to that is the fact that only a few values are documented in the wiki.

Best regards
geow


> Am 11.09.2017 um 10:11 schrieb David Marchal :
> 
> Hello.
> 
> A naive tagging would be natural=fault on a way drawn along the fault, but 
> it’s very naive, as I never mapped anything related.
> 
> Regards.
> 
>> Le 11 sept. 2017 à 04:29, J.J.Iglesias  a écrit :
>> 
>> I am unable to find how to tag geological Faults. 
>>  
>> Any Idea?
>>  
>> Thanks
>>  
>> JJ
>> @ Bolivia
>> 
>> 
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Re: [Tagging] Geological Faults

2017-09-11 Thread Graeme Fitzpatrick 
& couldn't this only be done in OSM if the fault (or evidence of it) is
actually visible on the Earth's surface?

I mean, can we actually map a fault that's several / 0's / 00's klm under
the ground?

As David said though, really just a guess as I've also never been involved
in that sort of thing.

Thanks

Graeme
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Re: [Tagging] Geological Faults

2017-09-11 Thread David Marchal 
Hello.

A naive tagging would be natural=fault on a way drawn along the fault, but it’s 
very naive, as I never mapped anything related.

Regards.

Le 11 sept. 2017 à 04:29, J.J.Iglesias 
mailto:jjiglesi...@gmail.com>> a écrit :

I am unable to find how to tag geological Faults.

Any Idea?

Thanks

JJ
@ Bolivia



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