[OSM-newbies] Importing data into JOSM / OpenstreetMap

[poppele at hm.edu]

Craig Wallace wrote:
> On 24/08/2011 14:13, poppele at hm.edu wrote:
>> Hello, I have a question regarding the import of external data:
>>
>> I would like to import navigation aids that i got from
>> www.ourairports.com. They offer a file with worldwide navigational aids
>> for pilots. Writing a tool to convert the csv-format to osm is quite
>> simple. To load it into JOSM is simple, too. Before I import a lot of
>> information, I have some questions:
>>
>> 1. Do we have a website where I get some basic info about importing
>> external data ?
>>
>> 2. How can I maintain imported data ? (delete or modify data ...). Once
>> the data is in the database it is may be not very easy to edit / or
>> delete the stuff ? Or is it enough to reverse the changeset ? Or is it
>> necessary to use the api  to alter the data ?
>>
>> 3. What kind of things must be considered before doing any import of
>> external data ?
>>
>> Many thanks for your help
> 
> Yes, you should follow the import guidelines, as linked by Matt Williams.
> Note there has been previous discussion of importing data from
> ourairports.com, and whether it is a good idea. See for example this
> thread:
> http://lists.openstreetmap.org/pipermail/talk/2010-December/055395.html
> 
> Firstly, its not clear whether the data from OurAirports is under a
> suitable licence. They say it is "public domain", but it seems some of
> it may be derived from Google Maps, or other copyright sources.
> 
> Also, I don't know how accurate the data is. Some people in the previous
> thread were saying some of the airports are just fields.
> 
> Also, I'm not sure what you mean by "navigation aids". Things which do
> not physically exist on the ground are not usually mapped in OSM. See
> http://help.openstreetmap.org/questions/3684/mapping-for-aviation and
> http://wiki.openstreetmap.org/wiki/Aviation
> 
> 
> Craig
> 
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Dear Craig,

a navigation aid normally is any kind of beacon used for the navigation
of planes. There exists beacons without any directional signal, like
radio stations, called NDB.

Another kind of beacon are beacons providing distance informations, e.
g. TACAN-beacons. The technique behind TACAN is very old, but they are
still used for refuelling planes during flight. TACAN offers distance
and direction services.

A third group of beacons are for instrument landing (ILS).

A 4th group are marker beacons (inner, middle and outer marker beacons).

And many other stuff, e. g. GPS ...

Here are some abbreviations used:
DME - Distance Measuring Equipment
TACAN - Tactical Air Navigation
VOR - Very high frequency omnidirectional radio range
ILS - Instrument Landing System

If it is true, that the license is not suitable, I will not import any
data. I think I will check it.

WernerP

PS: The discussion at
http://lists.openstreetmap.org/pipermail/talk/2010-December/055395.html
is very helpful. Thanks