<div>Hi,</div>
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<div>I have just returned to this list, but I heard that you are looking at making vector based kml files, for looking at in google earth and google maps. I thought I would mail to show some experimenting that I have been doing. It still needs some work, for example stopping the surveys going faint when zoomed out, and making the added pointers less rubbish.
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<div>There is a plan to allow anyone to contribute cave surveys and marker points. Julian is looking into using wikpeida/wikisource/wikicommons as a way people can contribute cave surveys etc. Templates can be made and then requested back.
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<div>There is also the possibility for there to be multiple ways of viewing the images, such as in more 3D or open source viewers. </div>
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<div>Be warned that the tiles are created lazily, so if you are the first to view a tile, it may be a little slow to load.</div>
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<div>Example views are in austria:</div>
<div><a href="http://seagrass.goatchurch.org.uk/~mjg/cgi-bin/map.py?lat=47.68584577306058&lng=13.822603225708007&zoom=15&maptype=Cave%20Survey">http://seagrass.goatchurch.org.uk/~mjg/cgi-bin/map.py?lat=47.68584577306058&lng=13.822603225708007&zoom=15&maptype=Cave%20Survey
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<div>and in china:</div>
<div><a href="http://seagrass.goatchurch.org.uk/~mjg/cgi-bin/map.py?lat=29.585848043308427&lng=107.99809455871582&zoom=14&maptype=Cave%20Survey%20Hybrid">http://seagrass.goatchurch.org.uk/~mjg/cgi-bin/map.py?lat=29.585848043308427&lng=107.99809455871582&zoom=14&maptype=Cave%20Survey%20Hybrid
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<div>Hope they are of interest, let me know if anyone is going down similar lines.</div>
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<div>Cheers,</div>
<div>Martin</div>