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Can I use Zoomify to cover multiple part of the world using more images to create tiles ?
As in the title....can I use Zoomify to cover multiple parts of the world using an image for each part to create tiles ? Where there are no tiles I would like to see a simple gray sqare.
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Inappropriate?The tricky part here would be to synchronize the positioning and placement of those zoomify images to one another. Do you know the projection of your source images? Are you reprojecting them into a common space like mercator?
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Inappropriate?ehm...I have read Zoomifyer tile tutorial and that works. But I need to a way to cover more than a part of the world. I can prepare images of each area I want to cover but I'm looking for a way insert tiles in right places in modest map. Is there a way? Maybe a tutorial? I can't use a map provider because I want to create an air application that works offline and take tiles from file system. Can you give me some hints? thanks! -
Inappropriate?You can write a map provider that loads tiles from a local folder... unless AIR apps need special permissions I'm not aware of? If you can load it with a flash Loader object, you can load it with Modest Maps... let us know if there are extra provisions we should make for AIR.
As for a way to arrange multiple Zoomify layers, as a hack to get you started you could create a new Map object for each one and synchronise them using the Map.RENDERED event (treat one as master, the rest as slaves, and set mouseEnabled=false on the slaves). If the projections are set up correctly to interpret latitude and longitude, and the maps are all using the same projection, that will work.
If your maps aren't all from the same source, and using the same projection, then in order to get them all into one coherent map you'll have a lot more work to do to warp them all to match. That's outside the scope of Modest Maps, although Mike has written about how to do it using the GDAL toolkit: http://mike.teczno.com/notes/flea-mar... and I also hear good things about Microsoft's MapCruncher http://research.microsoft.com/MapCrun... although I have no idea if either one would be able to merge tiles to create a single layer.
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