[OSM-talk] Help with water rendering in tiles at home

[Per Ekblom]

I have made a smal program where I can automatic make water out off landsat picture. I can give some help to anybody who like.
I create a JOSM file that you can adjust before uploadning.

I have try a litle close to my home.
http://www.informationfreeway.org/?lat=59.935141677916434&lon=13.486315667173711&zoom=10&layers=0000F0B

/Per
At 2007-06-18 22:52, Matthias Julius wrote:
>"Adam Schreiber" <sadam at clemson.edu> writes:
>
>> I'm not sure what's going on with your water, but as my home area has
>> plenty of water [1], let me explain my method for mapping it.  Draw
>> all segments and ways in a clockwise manner.  If there's an island,
>> split your body of water along the island.  From the interior of each
>> water region the ways should still proceed CW.  From the perspective
>> of the island, the two ways should proceed in a CCW manner.  There
>> isn't actually a way for the island, it's simply the absence of water.
>
>For water that is not delimited by coastlines you can draw both lakes
>and islands as areas.  Then tag the lakes as natural=water and the
>islands natural=land, layer=1 and everything should be fine.  The
>direction of the ways should not matter.
>
>Then you only run into problems with the maps rendered by t at h if a
>complete z12 tile fits inside the lake.
>
>Matthias
>
>
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