On this tile set: https://www.openstreetmap.org/#map=17/41.36570/-75.29994

There are 4 islands in this lake. All are experiencing the same issue -- they do not appear on the standard rendering. I'm trying to fix this -- focusing on Cairns Island in this example.

When "map data" is enabled, you can clearly see the land mass that represents the island. I've edited this according to the guidance I've seen here and on the wiki yet I cannot seem to get the land mass to appear on the rendering. I was able to get the "label" to appear (separate from the marker label, which is why there are now two).

Interestingly, the land mass for the island does appear on the Humanitarian layer, but none of the others.

Can someone please point out what is wrong with the way this island is configured? I'm very new to this, so please bear with me...


asked 21 Jul '14, 15:31

robny's gravatar image

accept rate: 0%

edited 21 Jul '14, 21:45

You might want to remove natural=water from the outer way.

Edit: Sorry for brief answer. Was busy when I typed it. The multipolygon relation is defined as being a reservoir with holes, but with the extra tags on the outer way it is likely that this is also being seen as an area of water without holes, so rendering over the island in this case, depending perhaps on which features are rendered on which layers in particular renderings. Generally water will render on top of land I would think (oceans are handled differently).

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answered 21 Jul '14, 16:33

EdLoach's gravatar image

EdLoach ♦
accept rate: 22%

edited 21 Jul '14, 16:36


Thank you for the quick reply. This worked, although I still need to look more deeply into "why" it worked. As you pointed out, I need to better understand the relationship between:

https://www.openstreetmap.org/way/44449351 and: https://www.openstreetmap.org/relation/326780

Regardless, it seems to be rendering better now -- which is good for all.

(21 Jul '14, 19:36) robny
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question asked: 21 Jul '14, 15:31

question was seen: 1,570 times

last updated: 21 Jul '14, 21:45

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