Re: [Therion] Cave Overlays on Google Maps Web Sites

[Wolfgang Zillig]

Hi,

some countries have nice online maps and airophotos, the only problem is 
that they are always in different coordinate systems, so that you 
usually need coordinate transformation.

I have the web addresses for some servers in Germany (topo maps, 
airophoto with 2m resolution), partially Austria, GB, Italia, US, Canada.

Greetings
Wolfgang

John Pybus schrieb:
> Wookey wrote:
>   
>> It may be cool, but it's not much of an aspiration whilst google earth
>> remains proprietary software. I'm sticking to Free viewers we have
>> some control over. 
>>     
>
> One option is to target NASA whirlwind instead of/in addition to 
> GoogleEarth.  WW is open source and uses free NASA data.  The current 
> 1.3.x versions use .net & DirectX, so are windows only.  The upcoming 
> 1.5 release is a reimplementation in java and JOGL which will be cross 
> platform.  It has currently entered a limited distribution alpha test; a 
> public beta is due in the next few weeks.
>
>   
>> Similar problem with the map data. It's not ours, we can't do what we
>> want with it (like publish the results in a journal). We can't use it
>> offline, and so on (correct me if I am wrong on any of this). So it's
>> (very) nice, but also highly limited.
>>     
>
> There are some sources of free map data (at least in the UK). 
> www.openstreetmap.org has increasing coverage, and scans of the out of 
> copyright 1940s/50s New Popular edition OS maps are available at 
> www.npemap.org.uk under a Creative Commons non-commercial license.
>
> In fact npemap.org.uk are using the maps to create an unencumbered 
> geolocated DB of UK postcodes.  Which is a good thing generally, so I 
> recommend going along browsing to a place you know the postcode for and 
> adding a bit more data.  See 
> http://technology.guardian.co.uk/weekly/story/0,,1936557,00.html
>
> John
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