[OSM-newbies] Proper tagging attributes

[Thomas Wood]

On Sat, Mar 29, 2008 at 5:56 PM, James Ewen <jewen at shaw.ca> wrote:
> I have a problem designating an area. The area in question is a park
>  on an island in the middle of a lake.
>
>  http://www.openstreetmap.org/edit.html?lat=53.5204&lon=-113.2733&zoom=17
>
>  I have it tagged as:
>
>  natural = land
>  area = yes
>  leisure = park
>  layer = 1
>
>  This shows up as simply land, without the park colouring...
>
>  Do I need the area tag to define it? Do I need the layer tag to get it
>  to render above the water?
>
>  With each change taking a week to be rendered, it can be a long slow
>  process figuring out which attribute needs to be changed.
>
>  James
>

The way to tag this would be with the multipolygon relationship. This
allows you to represent a 'hole' in the lake (the island), the park
should then show through.
There's a step by step guide on the wiki:
http://wiki.openstreetmap.org/index.php/Relations/Multipolygon#step_by_step_guide

-- 
Regards,
Thomas Wood
(Edgemaster)