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 > _______________________________________________ > Therion mailing list > Therion at speleo.sk > http://www.speleo.sk/mailman/listinfo/therion >
