..and then Google-maps \"divide the waters from the waters\"
Well, not in the biblical sense but..
I would like to know what options I have in order to verif
See the answer I gave to a similar question - it uses "HIT_TEST_TERRAIN" from the Earth Api to achieve the function.
There is a working example of the idea I put together here: http://www.msa.mmu.ac.uk/~fraser/ge/coord/