Hi Turbo, 

not being a programmer, I will most probably not be of much help here with the 
details. 

I can only try to ask helpful questions, if there are such. 
So: Apart from the altitude above MSL, is there any property a terrain point 
can have that would allow a guess whether it is land or sea? 
Could it be a certain range of proximity to topology items? Railroads and 
populated areas aren't usually under the sea. Or maybe a check on the 
relationship with neighboring points can reveal useful information: Could it be 
that to make a point "sea", with the sea being generally considered level, all 
n surrounding points within a certain radius must also be exactly zero MSL? I 
don't know, but if the terrain data does not have a "land" or "sea" flag, then 
a good guess must do the trick ... 

Martin 
--- 



Am 28.12.2010 um 23:01 schrieb Tobias Bieniek:

> Hi Martin
> 
> There are definitly plans to fix this, but unfortunatly the problem is a bit 
> more complicated than it may seem. I will spare you the details for now, but 
> we do know that this is a big problem and we are working on a fix.
> 
> Ask me on IRC for more details if you want.
> 
> Turbo

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