On 06/11/08 08:04, Till Harbaum wrote: > What's the purpose of the area tag? Does it make a way > a polygon, even if the first and last node are not identical? > Is it used to make highways/waterways or railways a polygon?
As Jochen Topf mentioned you have to look at the tags to figure out if something is an area. The purpose of the area tag is to explicitly mark certain ways as areas when they would normally be interpreted as linear features. For example, large open pedestrian areas are modelled as a closed way around their border tagged 'highway=pedestrian', 'area=yes'. Without the area tag, it would be interpreted as a circular pedestrian way with nothing in the middle. Rory
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