Am 31.08.2013 15:48, schrieb Mohamed Ellozy:
I have attempted to change a dam from a simple way to an area to allow me to add a path crossing it [1]. So I took the original way, added nodes to make it an area, put steps going down from the upper road, a path across the dam joining the steps to the lower road. The steps and the path render properly, and the name of the dam shows, but not the dam itself.
What can I do to make the dam render properly?
Many thanks
Mohamed (RetiredInNH)
[1] http://www.openstreetmap.org/#map=19/46.46421/7.06530
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Hallo Mohamed,
your tagging is correct. According to the wiki-page you even don't need area=yes, because closed ways should automatically handled as areas.
The problem is the rendering style or mapnik itself. There is not ONE correct rendering style, but every map could have his own style. Every map can decide what to render and what to ignore. But in this case you are talking about the style from openstreetmap.org. This syle renders waterway=dam as a way, but not as an area. This could be an error. Errors in this rendering syte can be reported at https://trac.openstreetmap.org. in this case this problem is already reported two years ago: https://trac.openstreetmap.org/ticket/3985
So you should not change the OSM data, but you can try to force the bug report or provide your own patch :-). Or just wait and hope sombody else will fix the problem in the future ...
regards
mdk