[Imports] Fwd: Hungarian CLC import

[Paul Norman]

I believe the opinion of the LWG is that a source tag cannot be used to
satisfy a legal requirement. Keep in mind that source tags are routinely
stripped from the database by many tools (e.g. osm2pgsql). There are no
“required” tags that are legally required.

 

Because only  311 maps to landuse=forest+wood=deciduous the CLC:code
duplicates the tagging. Is it not possible to then remove CLC:code?

 

From: László Csatlós [mailto:plutoz01 at gmail.com] 
Sent: Saturday, November 03, 2012 1:10 PM
To: imports at openstreetmap.org
Subject: [Imports] Fwd: Hungarian CLC import

 

Hi,

I'm a CLC importer from Hungary, too.



> Is it possible to use a source key that makes it clear that it’s CLC?

Nope.
We have to use the source "© EEA, Koppenhága (2009); Készítette a FÖMI a
KvVM megbízásából (2009)", because we received the whole data indirectly not
from Corine but from FÖMI.
FÖMI means ~ Ministry of Environment and Water (in Hungary), they merged the
seperated CLC layers (located HERE
<http://www.eea.europa.eu/data-and-maps/data/clc-2006-vector-data-version-2>
) and cut them with the Hungary polygon. We downloaded from their homepage
<http://www.kvvm.hu/index.php?pid=9&sid=50&cid=291> . The only restriction
is we HAVE TO use the source tag "© EEA, Koppenhága (2009); Készítette a
FÖMI a KvVM megbízásából (2009)".



> Are the values for CLC:code and CLC:id listed on the wiki?

CLC:id not listed, it is unique.
CLC:code list is located at this link
<http://wiki.openstreetmap.org/wiki/Corine_Land_Cover>  at the Tagging
section.

 

2012/11/3 Paul Norman <penorman at mac.com>

Is it possible to use a source key that makes it clear that it’s CLC?

 

Are the values for CLC:code and CLC:id listed on the wiki?

 

If CLC:code indicates the landuse type, is there any value to it if it is
duplicating the tagging?

 

From: Balázs Szalkai [mailto:bszalkai0 at gmail.com] 
Sent: Monday, October 29, 2012 7:45 AM
To: Martin Koppenhoefer; imports at openstreetmap.org
Subject: Re: [Imports] Hungarian CLC import

 

Hi,

Here are the properties of an example multipolygon:

 

<tag k="CLC:code" v="311"/>

<tag k="CLC:id" v="HU-18010"/>

<tag k="CLC:year" v="2006"/>

<tag k="landuse" v="forest"/>

<tag k="source" v="© EEA, Koppenhága (2009); Készítette a FÖMI a KvVM
megbízásából (2009)"/>

<tag k="wood" v="deciduous"/>

<tag k="type" v="multipolygon"/>

 

"You will also see that people are adjusting their own work to what is
already there (because that's the "standard")"

 

Well, I'm not sure. My humble experience shows that there are very thorough
mappers who e.g. always add a "source" tag to their additions (even if it is
a survey) and try to be as precise as possible, and there are people who
flood OpenStreetMap with rivers, places, etc. that are about 70m off from
reality; or they make frequent spelling mistakes (I have corrected lots of
them). Your standards really do not depend on what other people do and how.
But this is just my theory.

 

"you will be surprised how fast this situation might change"

 

Let's hope the best. A more recent and more detailed Bing would really be
awesome. In the past few months I recorded several tracks with my GPS at a
poorly photographed area, but that was quite a tedious work compared to
finding and tracing them on a satellite imagery.

 

"Well, if there are no objections from the mappers in your area"

 

no, there aren't.

 

 

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